Engineering
8 years ago

New research challenges traditional beliefs about coke reactivity in blast furnaces.

Baosteel Technology
Reappraisal of the reactivity of blast furnace coke with CO_2
HU Deshen

Paper Summary

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The article discusses how coke reacts with CO2 in blast furnaces. In the past, high coke reactivity was seen as bad for production, but now it's considered good for efficiency. The study looked at how CO2 concentration and temperature affect coke reactivity. The weight loss of coke in a blast furnace is influenced by iron ore reduction and unburned coal, not just coke reactivity. The current method for measuring coke reactivity focuses on its activity in CO2 reactions.