Petroleum coke, abbreviated coke or Petcoke, is a final carbon-rich solid material that derives from oil refining, and is one type of the group of fuels referred to as cokes. Petcoke is the coke that, in particular, derives from a final cracking process—a thermo-based chemical engineering process that splits long chain hydrocarbons of petroleum into shorter chains—that takes place in units termed coker units. (Other types of coke are derived from coal.) Stated succinctly, coke is the “carbonization product of high-boiling hydrocarbon fractions obtained in petroleum processing (heavy residues).” Petcoke is also produced in the production of synthetic crude oil (sync rude) from bitumen extracted from Canada’s oil sands and from Venezuela’s Orinoco oil sands.
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Metallurgical coke is made from low ash, low sulfur bituminous coal, with special coking properties, which is inserted into ovens and heated to 1000F to fuse fixed carbon and inherent ash and drive off most of the volatile matter. The final product is a nearly pure carbon source with sizes ranging from basketballs (foundry coke) to a fine powder (coke breeze).
Metallurgical coal is a special type of coal used to make metallurgical coke. There are two types of metallurgical coal used to make coke: hard coking coal and semi soft coking coal. According to Grande Cache Coal, these types of coal are ideal for coke because they melt, swell and re-solidify when placed into a super heated furnace. These types of coal also have have low levels of impurities. A third type of metallurgical coal, PCI, is sometimes used in steel or iron making to replace more-expensive coke, indicates Grande Cache Coal.
|No.||Date||Delivery Term||Tax (9%)||Grade||Price( USD )||Chart|
|1||11-Mar to 17-Mar||CFR India (From China)||Not Include||62%||352.5|
|2||11-Mar to 17-Mar||CFR India (From China)||Not Include||64%||364.5|
|3||11-Mar to 17-Mar||FOB China||Not Include||62%||339|
|4||11-Mar to 17-Mar||FOB China||Not Include||64%||351|
|Row||FC %||Ash %||Mo %||VM %||Size|