Petroleum Coke
The high-carbon residue of the refining process — fuel-grade petcoke for power and cement, and calcined anode-grade petcoke for aluminium smelting.
Chelora Chemicals supplies fuel-grade and anode-grade petroleum coke to power, cement and aluminium-industry customers worldwide, with full documentation.
Product identity
- CAS Number
- 64741-79-3
- Form
- Green (uncalcined) or calcined, lump/granular/fine
- Carbon content
- 80-95%+ (grade dependent)
- Calorific value
- ~8,000-8,500 kcal/kg
- Sulfur content
- 1-6%+ (fuel grade, feed dependent) / <0.5-3% (anode grade)
- Volatile matter
- Low (calcined) to moderate (green)
- UN Number
- Not regulated
- HS Code
- 2713 11 / 2713 12
Note: Sulfur and metals content vary significantly by source crude; confirm the exact specification required for your power, cement or anode application with our technical desk.
What Petcoke is used for
Petroleum Coke (petcoke) is a black, solid, high-carbon residue produced by the delayed coking of the heaviest, lowest-value residues from crude oil distillation. It is supplied as green (uncalcined) fuel-grade coke, typically higher in sulfur and used directly as a solid fuel, and calcined anode-grade coke, produced by further heat-treating green coke to drive off volatiles and achieve the purity and structure required for carbon-anode applications.
Fuel-grade petcoke's largest use is as a high-calorific-value solid fuel in power generation and cement kilns, valued as a low-cost alternative to coal despite its typically higher sulfur content. Calcined anode-grade petcoke is the essential carbon source for aluminium smelting anodes and graphite electrode manufacture, where its purity and crystalline structure are critical to electrolytic cell performance.
Where it sits in the petrochemical value chain
- Crude Oil (Vacuum Residue) the source material — the heaviest refinery residue, fed to a delayed coker.
- Petroleum Coke (this product) the solid carbon residue for the fuel and anode applications below.
- Power Generation / Aluminium Smelting the downstream end uses, split by fuel-grade and anode-grade coke respectively.
Handling character
Petroleum coke dust presents a combustible-dust and respiratory-irritant hazard, and fuel-grade material's sulfur content requires emissions management at the point of combustion. Full handling detail is in the Safety section below.
| Parameter | Typical value |
|---|---|
| Appearance | Black solid (lump, granular or fine) |
| Sulfur content | 1-6%+ (fuel grade) / <0.5-3% (anode grade) |
| Calorific value | ~8,000-8,500 kcal/kg |
| Grade | Green fuel-grade / calcined anode-grade as agreed |
Important: the figures above are indicative of commercial material and are offered for planning only. The batch certificate of analysis is the governing document.
| Property | Value |
|---|---|
| Physical state | Black solid (lump, granular, or fine/dust) |
| Carbon content | 80-95%+ |
| Volatile matter | Low (calcined) to moderate (green) |
| Ash content | Low, grade and source dependent |
| Moisture content | Grade and handling dependent |
| Flammability | Combustible solid; fine dust presents a combustible-dust hazard |
Physical constants compiled from public reference data for CAS 64741-79-3 and rounded for readability. Treat them as orientation, not as a specification.
Where our customers put Petcoke to work
From power-plant and cement-kiln fuel to the carbon anodes of aluminium smelting.
Power generation fuel
A high-calorific, lower-cost solid fuel alternative to coal for power plants equipped to manage its sulfur content.
- Fuel-grade specification
- Bulk vessel & rail supply
- Technical desk review on request
Cement kiln fuel
Used as a kiln fuel in cement manufacturing, where its ash content can also be incorporated into clinker.
- Fuel-grade specification
- Documented batch traceability
- Contract & spot supply
Aluminium smelting anodes
Calcined anode-grade coke is the essential carbon source for aluminium electrolytic smelting anodes.
- Anode-grade specification
- Full analytical documentation available
- Retained sample held against the lot
Graphite electrode manufacture
Calcined coke used as feedstock in graphite electrode production for steelmaking.
- Documented batch traceability
- Technical desk review on request
Titanium dioxide & other industrial uses
Used as a reducing agent and carbon source in select industrial metallurgical processes.
- Research & process-scale quantities
- Full documentation supplied
Contract & scheduled supply
Power, cement and aluminium plants running continuous consumption are supported with scheduled bulk delivery.
- Annual contracts with scheduled call-off
- Price held across the contract period
- Second source held in reserve
How we supply Petroleum Coke
Chelora Chemicals is a supplier and sourcing partner, not a manufacturer. Sulfur content and calorific value for fuel-grade, and purity/structure for anode-grade, are critical to end-use performance — that shapes how we manage this line.
We place your order with whichever qualified producer best matches your required grade, your price point and your delivery window, and confirm your jurisdiction's import and emissions-compliance requirements before booking.
We keep a second qualified source on this line, so a single-plant disruption never becomes your production problem.
- Sulfur content and calorific value confirmed before we quote. Consistency matters to combustion emissions management and fuel performance.
- Fuel-grade and anode-grade both sourced. Matched precisely to your power, cement or aluminium-smelting specification.
- Scheduled call-off scheduling. We hold contracted tonnage and release it against your consumption calendar.
- Batch traceability to the producing refinery. Full chain of custody documentation on request.
- Export machinery handled in-house. Classification, approved packing, labelling, freight booking and customs paperwork are ours to manage.
- Bulk vessel and rail logistics coordinated. Petcoke typically moves in large cargo volumes, which we coordinate directly.
Moved the way your plant receives it
Bulk vessel, rail or bulk bag — tell us your preferred format and we will quote and arrange it.
Parcel or full cargo
Marine bulk-carrier cargo for large-volume import/export shipments.
Bulk hopper delivery
Rail or truck bulk hopper delivery for regional and inland distribution.
~1,000 kg bulk bags
Bulk bags for smaller-volume orders of anode-grade or specialty coke.
Incoterms to suit you
Quoted on the Incoterm your purchasing team works to, with documentation filed before booking.
Trial / sample quantities
Smaller trial parcels arranged for qualification before a term contract.
Contracted call-off supply
We hold contracted volume and release it against your consumption calendar.
Combustible-dust hazard — handle accordingly
Petroleum coke is a combustible solid, and fine dust generated during handling presents a combustible-dust and respiratory-irritant hazard. The summary below is orientation only — the safety data sheet supplied with your specific batch and grade is the authoritative document.
Classified hazards
H315+H335Causes skin irritation; may cause respiratory irritation (dust).Combustible-dust noteFine coke dust can form combustible mixtures with air and should be controlled accordingly.Sulfur-emissions noteFuel-grade material's sulfur content requires appropriate emissions control at the point of combustion.
Control dust generation and combustion emissions. Bulk handling should include dust suppression; fuel-grade combustion requires sulfur emissions controls appropriate to your facility and jurisdiction. Always read the SDS issued with your specific batch.
Storage
Store in covered or enclosed bulk storage with dust suppression measures, away from ignition sources, per standard bulk solid-fuel storage practice.
Handling
Use dust masks, eye protection and gloves during bulk handling and transfer. Implement dust-suppression measures (water spray, enclosed conveying) to manage fugitive dust and combustible-dust risk.
Transport
Not classified as dangerous goods for transport. We confirm any destination-specific import or emissions-related documentation your shipment requires.
Every batch, documented
We verify documentation before dispatch so there are no surprises at your incoming-goods bench.
Specification agreed
Sulfur content, calorific value and grade (fuel/anode) confirmed against your process requirement before order placement.
Producer/refinery batch testing
The producing refinery tests each batch against the agreed specification before release.
Documentation review
COA, SDS and transport paperwork checked by our desk before the shipment is booked.
Traceable dispatch
Each shipment is traceable to its producing refinery, with full chain-of-custody records on request.
How Petcoke is made
Petroleum coke is produced by the delayed coking process, in which the heaviest vacuum-residue fraction of crude oil is heated and thermally cracked in large coke drums, depositing a solid carbon residue (green coke) while releasing lighter hydrocarbon vapours for recovery elsewhere in the refinery. Calcination — further heat treatment of green coke to around 1,200-1,350 °C — drives off residual volatiles and develops the crystalline structure required for anode-grade material.
We do not publish operating process parameters here; this is background only. Full technical documentation accompanies every shipment, and any process-specific detail you need is best confirmed directly with our technical desk.
| Chemical family | High-carbon solid refinery residue |
|---|---|
| Functional groups | Predominantly elemental carbon with residual hydrocarbons, sulfur and trace metals |
| Reactivity | Combustion (fuel use); oxidation at high temperature (electrolytic anode consumption) |
| Related compounds | Base Oil, Paraffin Wax (related refinery co-products) |
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