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Calcined Petroleum Coke

What is Calcined Petroleum Coke

Calcined Petroleum Coke (CPC) is a high-purity carbon material produced by thermally treating green (raw) petroleum coke at temperatures between 1200°C and 1350°C in a rotary kiln or rotary hearth furnace. This calcination process drives off residual moisture, volatile matter, and sulfur compounds, increasing the carbon content to typically 98–99.5% and improving the electrical conductivity, density, and mechanical strength of the material. CPC is primarily used as a carbon anode material in the Hall-Héroult electrolytic process for primary aluminum smelting, and also finds application as a recarburizer in steel and iron foundries, in the manufacture of titanium dioxide, and in the production of graphite electrodes.

Analysts Sentiment

Bullish

58.4%

Neutral

18.9%

Bearish

22.7%

1-Week Outlook, Updated: June 8, 2026 | Next Update: June 15, 2026

What's driving sentiment this week:

Past Week (2026-06-01 to 2026-06-07) — Sentiment: Bullish

Shandong low-sulfur CPC printing RMB 3,860/t on 2026-06-05 anchors a firm Asian floor and signals that anode-grade availability remains tight into mid-June.

Mordor Intelligence’s 2026-06-05 read pegging calcined grades on a 5.79% CAGR toward USD 20.31 billion in 2026 confirms aluminum and battery-anode pull is absorbing incremental tonnes faster than green coke conversion can replace them.

Argus on 2026-06-08 flagging Strait of Hormuz disruption keeping smelter CPC costs at USD 800-900/t locks in a geopolitical premium on heavy-sour feedstock that refiners cannot quickly arbitrage away.

This Week (2026-06-08 to 2026-06-14) — Outlook: Bullish

Low-sulfur CPC should grind higher through 2026-06-14 as CBAM optics and constrained sponge coke feed compound an already short anode-grade book.

The 2026-06-12 EU finance ministers’ CBAM finalization (expected), alongside the 2026-06-11 OPEC MOMR, is the dominant catalyst and skews landed costs into EU and global compliant flows higher.

A bearishly soft EIA Weekly Petroleum Status print on 2026-06-10 showing a refinery throughput surge and coke build would be the single trigger to fade the call.

Key Market Impact

Feedstock scarcity and regulatory cost-push are dominating, lifting low-sulfur CPC realizations and squeezing smelter margins rather than capping utilization.

Aluminum buyers should pull forward Q3 2026 anode-grade tonnes and lock Shandong-linked formulas now, while traders hold length in low-sulfur CPC against high-sulfur discounts.

How About the Price?

Monthly Calcined Petroleum Coke Price History (USD/ton)
Month Price (USD/ton) Change Change Rate
2026-06-07 385 5 1.32%
2026-05 380 -10 -2.56%
2026-04 390 -20 -4.88%
2025-10 410 30 7.89%
2025-07 380 -32.6 -7.9%
2025-01 412.6 -67.4 -14.04%
2024-01 480 -170 -26.15%
2023-01 650 -200 -23.53%
2022-01 850 275 47.83%
2021-01 575 100 21.05%
2020-01 475 0 0%

Price Trajectory 2020–2026 (Brief Recap)

Phase 1 — Regulatory Shift and Steady Supply (2020–2021): The IMO 2020 global sulfur limit came into force, reducing demand for high-sulfur residual fuels and supporting steady calcined petroleum coke (CPC) supply; prices rose from $475.00 in January 2020 to $575.00 in January 2021.

Phase 2 — Price Surge Amid Regulatory Continuity (2021–2022): Continued refinery shifts supporting CPC supply coincided with strong demand, pushing prices to a peak of $850.00 in January 2022, reflecting a nearly 48% increase year-over-year under ongoing IMO 2020 regulation.

Phase 3 — Price Correction and Moderation (2022–2023): Despite persistent IMO 2020 regulations, CPC prices corrected sharply to $650.00 by January 2023, down 23.5% from the 2022 peak, indicating demand moderation or surplus supply conditions.

Phase 4 — Extended Downtrend and Market Adjustment (2023–2025 mid): Prices declined further to $412.60 by January 2025 and $380.00 by July 2025, reflecting weakening market fundamentals under unchanged regulatory environment.

Phase 5 — Early Signs of Recovery (Mid 2025–Mid 2026): After hitting lows near $380.00 in May 2026, prices showed modest recovery to $385.00 by June 2026, suggesting potential stabilization despite continued regulatory support.

Supply-side factors

  • IMO 2020 sulfur regulation forcing refinery crude slates toward more coking units globally (2020 onward).
  • Steady green petroleum coke and calcined petroleum coke supply as refinery byproducts maintained through regulation period (2020–2026).
  • Capacity and output levels of aluminum smelting linked anode-grade CPC supply to aluminum market dynamics (implied ongoing).

Demand-side factors

  • Reduced high-sulfur residual fuel demand globally from IMO 2020 regulations impacting refinery product slate and CPC demand balance.
  • Anode-grade CPC demand tied closely to aluminum smelting rates, influencing price and availability.
  • Market price peaks and corrections indicative of fluctuating demand amid regulatory shifts and downstream commodity cycles (2021–2023).

Substitutes & Alternatives

SubstituteReplacement Scenario / How It Substitutes
Graphitized Petroleum Coke (GPC-G)Used as a recarburizer in steel and iron foundries in place of CPC. Graphitized coke has higher carbon purity (>99.5%) and lower sulfur, making it a premium drop-in substitute where low sulfur and high carbon recovery are critical. It commands a higher price but can replace CPC directly in electric arc furnace (EAF) steelmaking charge mixes.
Coal Tar Pitch Coke (Pitch Coke)Derived from coal tar pitch calcination, pitch coke can substitute for CPC in carbon anode manufacturing for aluminum smelting when petroleum coke supply is constrained or when lower metal impurity levels are required. It typically has lower sulfur but higher ash than CPC; blending with CPC is common to meet anode specifications.
Anthracite Coal (Calcined / Raw)Used as a partial or full substitute for CPC as a recarburizer in iron foundries and EAF steelmaking. Calcined anthracite has carbon content of 90–95%, lower than CPC, so higher addition rates are needed. It is widely used where cost is prioritized over carbon efficiency and where sulfur specifications are less stringent. Drop-in substitution with adjusted dosing.
Natural GraphiteCan substitute for CPC as a recarburizer in specialty steel and cast iron applications requiring very low sulfur (<0.05%) and high carbon recovery. Natural graphite is more expensive than CPC but is used in high-grade ductile iron production. It is a direct drop-in at adjusted addition rates due to its higher fixed carbon content (95–99%).
Synthetic Graphite Scrap / Electrode ScrapRecycled graphite electrode scrap from EAF steelmaking is used as a recarburizer substitute for CPC. It offers very high carbon purity and low sulfur. Substitution is straightforward in foundry and steelmaking applications; availability is limited and price is variable depending on EAF industry activity.
Bio-based Carbon / BiocharEmerging substitute for CPC in recarburizer and potentially anode applications, driven by decarbonization goals. Biochar from pyrolysis of biomass can partially replace CPC in iron foundry charge mixes (typically up to 20–30% substitution in trials). Full substitution in aluminum anodes is not yet commercially proven due to lower density, higher reactivity, and inconsistent quality. Requires reformulation of charge recipes.
Pre-baked Carbon Anodes (recycled / rebaked butts)In aluminum smelting, anode butts (the unconsumed stubs of spent anodes) are recycled, crushed, and reincorporated into new anode paste, partially reducing the CPC requirement per tonne of aluminum. This is a standard industry practice (butt recycling typically offsets 15–25% of fresh CPC demand per smelter) rather than a full substitute, but it directly reduces CPC consumption intensity.

Regulatory Status

RegionRegulation / Policy NameIssuing AuthorityYear (enacted or latest revision)Key Requirement / ThresholdSource
USGHG Reporting Program, Subpart EEUS EPA2010 (revised)Monthly reporting of calcined petroleum coke consumption (tons) for facilities consuming >500 tons/year; no emission standard or MACT for calcining operationshttps://www.epa.gov/ghgreporting/subpart-ee-information-sheet
USTitanium Dioxide Production, Primary Aluminum NESHAP (reference to calcined petroleum coke use)US EPA2008 (revised)Use of calcined petroleum coke as raw material in TiO2 production and primary aluminum smelting; no specific emission threshold for CPChttps://nepis.epa.gov/Exe/ZyPURL.cgi?Dockey=P100AHOY.TXT
EUREACH Regulation (EC) No 1907/2006, Annex VEuropean Chemicals Agency (ECHA)1907/2006 (ongoing exemption)Exempt from registration requirements (Annex V, Paragraph X); no hazard classification or labeling required under CLP Regulation (EC) No 1272/2008https://sds.chemtel.net/docs/Asbury%20Carbons%20Inc-0001931/Site%20SDS/SDS%20Calcined%20Petroleum%20Coke%20-%20EU%20English.pdf
Global / USGHS Classification under CLP Regulation (EC) No 1272/2008 and equivalent US OSHAUS EPA / ECHA2008 (ongoing)Not classified as hazardous substance; no label elements required; no classification under any hazard classhttps://sds.chemtel.net/docs/Asbury%20Carbons%20Inc-0001931/Site%20SDS/SDS%20Calcined%20Petroleum%20Coke%20-%20EU%20English.pdf

Key Influence Events

Key Events Influencing Calcined Petroleum Coke Market
Time Factor Description Source
2020-01 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2020-02 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2020-03 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2020-04 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2020-05 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2020-06 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2020-07 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2020-08 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2020-09 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2020-10 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2020-11 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2020-12 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2021-01 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2021-02 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2021-03 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2021-04 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2021-05 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2021-06 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2021-07 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2021-08 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2021-09 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2021-10 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2021-11 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2021-12 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2022-01 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2022-02 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2022-03 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2022-04 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2022-05 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2022-06 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2022-07 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2022-08 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2022-09 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2022-10 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2022-11 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2022-12 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2023-01 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2023-02 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2023-03 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2023-04 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2023-05 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2023-06 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2023-07 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2023-08 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2023-09 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2023-10 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2023-11 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2023-12 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2024-01 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2024-02 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2024-03 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2024-04 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2024-05 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2024-06 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2024-07 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2024-08 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2024-09 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2024-10 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2024-11 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2024-12 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2025-01 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2025-02 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2025-03 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2025-04 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2025-05 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2025-06 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2025-07 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2025-08 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2025-09 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2025-10 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2025-11 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2025-12 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2026-01 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2026-02 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2026-03 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2026-04 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO
2026-05 Regulation IMO 2020 global sulfur limit for marine fuels enters into force at 0.5% m/m, reducing high-sulfur residual fuel demand by forcing refinery shifts toward more coking units; this supports steady green petroleum coke (GPC) and calcined petroleum coke (CPC) supply as byproduct while anode-grade CPC for aluminum remains tied to smelting rates. IMO

Calcined Petroleum Coke (CPC) is a high-purity carbon material produced by thermally treating green (raw) petroleum coke at temperatures between 1200°C and 1350°C in a rotary kiln or rotary hearth furnace. This calcination process drives off residual moisture, volatile matter, and sulfur compounds, increasing the carbon content to typically 98–99.5% and improving the electrical conductivity, density, and mechanical strength of the material. CPC is primarily used as a carbon anode material in the Hall-Héroult electrolytic process for primary aluminum smelting, and also finds application as a recarburizer in steel and iron foundries, in the manufacture of titanium dioxide, and in the production of graphite electrodes.

Top Countries Production Capacity

Average Calcined Petroleum Coke Capacity by Country/Region in 2025 (tons/year)
Rank Country / Region Average Daily Production (tons/year)
Global Total35000000
1 China 15000000
2 North America 8000000
3 Middle East 3000000
4 India 2500000
5 Europe 2000000
6 South America 1000000
7 Japan 1000000
8 Canada 800000
9 Brazil 800000
10 Saudi Arabia 800000
11 South Korea 700000
12 Russia 600000
13 Australia 500000
14 Turkey 500000
15 UAE 400000

Production Process of Calcined Petroleum Coke

Calcined Petroleum Coke (CPC) is a high-purity carbon material produced by thermally treating green (raw) petroleum coke at temperatures between 1200°C and 1350°C in a rotary kiln or rotary hearth furnace. This calcination process drives off residual moisture, volatile matter, and sulfur compounds, increasing the carbon content to typically 98–99.5% and improving the electrical conductivity, density, and mechanical strength of the material. CPC is primarily used as a carbon anode material in the Hall-Héroult electrolytic process for primary aluminum smelting, and also finds application as a recarburizer in steel and iron foundries, in the manufacture of titanium dioxide, and in the production of graphite electrodes.

Specs & Grades

PropertyTypical Value / RangeUnitGrade / Application
Fixed Carbon98.0 – 99.5wt%Anode Grade / Recarburizer
Sulfur Content0.5 – 3.5wt%Low-S: <1.5% (anode); High-S: up to 3.5% (TiO2/fuel)
Ash Content0.1 – 0.5wt%Anode Grade
Volatile Matter0.1 – 0.5wt%All grades post-calcination
Moisture<0.1 – 0.5wt%All grades
Real Density2.04 – 2.10g/cm³Anode Grade (higher = better)
Vibrated Bulk Density (VBD)0.78 – 0.88g/cm³Anode Grade
Vanadium (V)50 – 400ppmAnode Grade (<200 ppm preferred)
Nickel (Ni)50 – 300ppmAnode Grade (<200 ppm preferred)
Silicon (Si)50 – 200ppmAnode Grade
Iron (Fe)50 – 300ppmAnode Grade
Particle Size (typical)0 – 25 (crushed/screened)mmAnode Grade; finer for recarburizer
Electrical Resistivity450 – 600µΩ·mAnode Grade

Who are the Top Players?

CompanyHeadquartersKey Facilities
Oxbow CorporationWest Palm Beach, Florida, USABaton Rouge LA, Port Arthur TX, Kremlin OK
Rain Carbon Inc.United StatesLake Charles LA, Chalmette LA, Norco LA, Robinson IL, Purvis MS, Visakhapatnam Andhra Pradesh India
BP plcLondon, UK
Phillips 66 CompanyHouston, Texas, USALake Charles LA
Aminco Resources LLCUnited States
Sinopec CorporationBeijing, China
CNPCBeijing, China
PetroCoque S.A.Cubatão, São Paulo, BrazilCubatão São Paulo Brazil
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