Cold gas efficiency of four-nozzle gasification technology
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How is the cold gas efficiency of the four-nozzle gasification technology calculated?
The cold gas efficiency ηl is defined as the ratio of the chemical energy of the gas generated by gasification to the chemical energy of the coal used for gasification. The chemical energy of gas and coal can be expressed using their respective lower heating values. According to the definition, the calorific value of the gas can be easily calculated from the composition of the gas at the gasification outlet.