Green petroleum coke

When sourcing GPC, the most critical parameters are Sulfur content, Fixed Carbon, Ash content, and Volatile Matter. For aluminum grade GPC, sulfur should typically be below 3.0%, while fuel-grade can be higher. Ensure the Fixed Carbon is above 85-90% for high-energy efficiency. Additionally, check the HGI (Hardgrove Grindability Index) to ensure it meets your processing equipment's requirements.

The choice depends on the end-use: Anode Grade GPC (low sulfur and metal content) is essential for the aluminum smelting industry. Fuel Grade GPC (higher sulfur and metals) is widely used in cement kilns and power plants due to its high calorific value. For the steel industry, GPC acts as a recarbonizer, requiring high carbon purity to ensure the quality of the final steel product.

Buyers must ensure suppliers provide an MSDS (Material Safety Data Sheet) and comply with IMO (International Maritime Organization) regulations for solid bulk cargoes (IMSBC Code). Since GPC is a byproduct of oil refining, verify that the supplier adheres to ISO 14001 environmental management standards and local emission regulations regarding sulfur dioxide (SO2) discharge during processing.

Always mandate a pre-shipment inspection (PSI) by an independent third party like SGS or Intertek. The analysis should focus on moisture levels (which affect weight and price) and trace element analysis (such as Vanadium and Nickel), as high metal content can contaminate the final product in aluminum or steel production.

The biggest risks include price volatility linked to global oil markets and weight discrepancies due to moisture loss or gain during sea transit. To mitigate this, use Draft Surveys at both loading and discharge ports and include a moisture adjustment clause in your contract to ensure you only pay for the dry weight of the cargo.

Focus on long-term off-take agreements rather than spot purchases to secure stable pricing. Negotiate based on price formulas linked to industry benchmarks (like Argus or Platts). If sourcing via Made-in-China.com, prioritize Audited Suppliers who can provide historical Bill of Lading (B/L) records to prove their export capability and reliability.

GPC is typically shipped in Bulk Carriers. Ensure the contract specifies Incoterms 2020 clearly (FOB or CFR are standard). Buyers must confirm the loading rate (PWWD) to avoid demurrage charges at the port. For smaller industrial users, consider Jumbo Bags (FIBC) in containers to prevent contamination and simplify inland transport.

For large-scale bulk commodities, a Letter of Credit (L/C) at sight is the safest payment method. It ensures payment is only released when the supplier presents valid shipping documents and quality certificates. Avoid 100% T/T advance payments for new suppliers; instead, use a staged payment plan tied to production milestones and third-party inspection results.