气脱 meaning in English

qi desertion
qi exhaustion

Saturated charcoal can steam treated or directly replaced
活性碳饱和后可采用蒸气脱附或直接更新方式处理。
Natural gas desorption performance on activated carbon with super - high specific surface area
超高比面积活性炭上天然气脱附性能研究
D guide for procurement of power station equipment - part 4 - 10 : boiler auxiliaries - flue gas denitrification plant ; german version en 45510 - 4 - 10 : 1999
发厂设备采购指南.第4 - 10部分:锅炉附件.烟道气脱硝