Petroleum coke
(petcoke) is one of many valued products produced during the oil
refining process. In petroleum refining world crude oil is
processed into gasoline, diesel fuel, jet fuel, lubricating oils
and waxes, leaving some residual crude that usually undergoes
additional processing. The crude residue may be further
refined (depending from refinery configuration) by a process known
as Coking to
produce incremental transportation fuels as well as petroleum coke,
which has a variety of uses as an alternative, cost-effective
fuel.
Although
petroleum coke is in many cases considerate a refinery by-product
and not a well-liked material, it is nevertheless an important
industrial product which finds wide acceptance in many
metallurgical and chemical process. Its most important use is
in the aluminum industry where this product after a calcination
process is used in the manufacture of anodes for the aluminums
refining potlines.
Uses of Petroleum Coke Worldwide
petroleum refinery production of petroleum coke is typically
divided in two types - Fuel Grade and Anode grade (generally
referred as Green Coke) and its used as a source of energy or as a
source of carbon for industrial applications.
Fuel grade
petcoke represents nearly ****0 percent of the global refinery
petcoke production is used as a source of fuel for cement kilns and
electric power plants and other niche markets.
The remaining
****5 percent is generally considerate as Anode Grade and its
typically processed into Calcined petroleum coke grade which has
the highest carbon purity and is used to manufacture energy, as
well as in the aluminum, graphite electrode, titanium dioxide and
other carbon consuming industries. The steel industry also uses
calcined coke as carbon raisers.
Quality of Petroleum coke In petroleum
refinery\'s world, there are three types of Coking processes during
normal commercial operation. Generally, they are referred as
Delayed Coking, Fluid Coking and Flexicoking.
The cokes from
each process differ significantly with respect to their end
products and with the advent of Coker technology the source of
petcoke produced is widely used for a variety of applications. The
most common types of coke produced are called Sponge coke, Needle
coke, Fluid coke and Shot coke.
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