Why is high temperature used in coal gasification?

2009-11-10View Original

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Why is high temperature used in coal gasification?

Reply #22009-11-10

1. Thermodynamic equilibrium facilitates achieving the maximum concentration of the target gas； 2. Maximize reaction speed.

Reply #32009-11-10

C + CO2 ≒ 2CO – 160.70 kJ/mol; C + H2O ≒ CO + H2 – 117.8 kJ/mol. This is because these two key reactions are endothermic reactions. From the perspective of heat alone, high-temperature reactions are one of the main methods to obtain the maximum amount of CO and H2.

Reply #42009-11-11

High temperatures facilitate the production of effective synthetic gas, suppress side reactions, and prevent the formation of substances such as oil phenols that can cause problems in water treatment.

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