The effect of increasing the hydrocarbon-to-carbon ratio in gas on its calorific value
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Reducing the hydrogen content in coke oven gas will increase or decrease its calorific value?
Does hydrogen have a higher calorific value than methane? So you’re referring to the heat value per unit mass; hydrogen has a higher heat value per unit mass, but methane has a much higher heat value per unit volume. As a result, when the temperature in the furnace roof area is high, there is more hydrogen present, and the heat value of the gas becomes lower.
Reply to 3# wz大漠孤烟: To add, for the same mass, hydrogen has a higher calorific value than methane; for the same volume, methane has a higher calorific value than hydrogen. The calorific value of methane per unit volume is approximately 3 times that of hydrogen.