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Coke Reactivity and Blast Furnace Performance
Coke reactivity is an important part of understanding metallurgical coke behavior.
During blast furnace operation, carbon in coke can react with CO₂ at high temperature. This gasification process is related to the Boudouard reaction and contributes to the furnace gas chemistry.
The reaction also affects the physical structure of coke.
This is why CRI and CSR are commonly evaluated together.
CRI provides information about coke reactivity, while CSR evaluates the strength retained after reaction.
However, blast furnace performance cannot be explained by CRI or CSR alone.
Mechanical properties, chemical composition, particle size and furnace operating conditions all interact.
For coke buyers, the practical objective is therefore to identify a coke quality profile that is appropriate for the specific furnace rather than selecting a single parameter in isolation.
Keywords: coke reactivity, metallurgical coke reactivity, CRI CSR, blast furnace coke, coke performance, Boudouard reaction.
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