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Petroleum Coke

Description Petroleum coke is a black or dark gray hard solid petroleum product, with a metallic luster and porous, which is a carbon body formed by granular, columnar, or needle shaped form of tiny graphite crystals. Petroleum coke is a by-product of the pyrolysis of feedstock oil in a delayed coking unit at high temperature. Petroleum coke consists of hydrocarbons, 90 - 97% of carbon, and 1.5 - 8% of hydrogen. It also contains nitrogen, chlorine, sulfur and heavy metal compounds.

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Petroleum coke

Description

Petroleum coke is a black or dark gray hard solid petroleum product, with a metallic luster and porous, which is a carbon body formed by granular, columnar, or needle shaped form of tiny graphite crystals. Petroleum coke is a by-product of the pyrolysis of feedstock oil in a delayed coking unit at high temperature. Petroleum coke consists of hydrocarbons, 90 - 97% of carbon, and 1.5 - 8% of hydrogen. It also contains nitrogen, chlorine, sulfur and heavy metal compounds.


Application

The main uses of petroleum coke are pre baked anode and anode paste used in electrolytic aluminum, carbon increasing agent in the carbon industry, graphite electrode, smelting industrial silicon and fuel.


Specification

 

Item

Specification

First grade

No.1

No.2 No.3

A

B

A

B

A B

Sulfur Content (%)

≤0.5

≤0.5

≤0.8

≤1.0

≤1.5

≤2.0

≤3.0

Volatile Matter (%)

≤12

≤12

≤14

≤14

≤17

≤18

≤20

Ash Content (%)

≤0.3

≤0.3

≤0.5

≤0.5

≤0.5

≤0.8

≤1.2

Moisture (%)

≤3

True Density (1300℃, 5 hours calcinations) g/cm3

2.08-2.13

Need to be measured

Powder Coke Content

(<8mm) (%)

25

Need to be measured

Silicon Content (%)

≤0.08

Vanadium Content (%)

≤0.15

Iron Content (%)

≤0.08

 


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