The Fuel Level Green Pet Coke Price Or Petroleum Coke Price

The Fuel Level Green Pet Coke Price Or Petroleum Coke Price

1. Product Description Petroleum coke (often abbreviated pet coke or pet coke) is a carbonaceous solid delivered from oil refinery coker unitsor other cracking processes. Coking processes that can be employed for making pet coke include contact coking, fluid coking, flexicoking and delayed...

Description

1. Product Description
Petroleum coke (often abbreviated pet coke or pet coke) is a carbonaceous solid delivered from oil refinery coker unitsor other cracking processes. Coking processes that can be employed for making pet coke include contact coking, fluid coking, flexicoking and delayed coking. Other coke has traditionally been delivered from coal.
This coke can either be fuel grade (high in sulfur and metals) or anode grade (low in sulfur and metals). The raw coke directly out of the coker is often referred to as green coke. In this context, "green" means unprocessed. The further processing of green coke by calcining in a rotary kiln removes residual volatile hydrocarbons from the coke. The calcined petroleum coke can be further processed in an anode baking oven in order to produce anode coke of the desired shape and physical properties.
2. Product specification

Element

First class

1A

1B

2A

2B

3A

3B

Sulfur

No greater than 0.5%

0.5%

0.8%

1.0%

1.5%

2.0%

3.0%

V.M

No greater than 12%

12%

14%

14%

17%

18%

20%

Ash

No greater than 0.3%

0.3%

0.5%

0.5%

0.5%

0.8%

1.2%

Moisture

3%

3%

3%

3%

3%

3%

3%

Density

No greater than 2.08%

2.13%

2.13%

2.13%

2.13%

2.13%

2.13%

Si content

0.08%

0.08%

0.08%

0.08%

0.08%

0.08%

0.08%

Vanadium content

0.08%

0.08%

0.08%

0.08%

0.08%

0.08%

0.08%

3. Types of Pet coke
There are at least four basic types of petroleum coke, namely, needle coke, honeycomb coke, sponge coke and shot coke. Different types of petroleum coke have different microstructures due to differences in operating variables and nature of feedstock. Significant differences are also to be observed in the properties of the different types of coke, particularly ash and volatile matter contents.
Needle coke, also called acicular coke, is a highly crystalline petroleum coke used in the production of electrodes for the steel and aluminium industries and is particularly valuable because the electrodes must be replaced regularly. Needle coke is produced exclusively from either FCC decant oil or coal tar pitch.
Honeycomb coke is an intermediate coke, with ellipsoidal pores that are uniformly distributed. Compared to needle coke, honeycomb coke has a lower coefficient of thermal expansion and a lower electrical conductivity.

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