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1. 发明授权

US3966876A Gas purification 失效
标题翻译：气体净化
公开(公告)号：US3966876A
公开(公告)日：1976-06-29
申请号：US425715
申请日：1973-12-18
申请人： Frank Henry Singleton , Derek Vernon Gosden , Graham Woodhouse
发明人： Frank Henry Singleton , Derek Vernon Gosden , Graham Woodhouse
IPC分类号： B01D53/52 , C01B17/05 , C01B17/04
CPC分类号： B01D53/52 , C01B17/05
摘要： Gas purification processes for removing hydrogen sulphide (H.sub.2 S) from a foul gas stream, such as coal carbonization gases, involving a circulating liquid reagent in which the H.sub.2 S is absorbed and converted to sulphur which is recovered and the reagent regenerated and recycled exhibit progressive deterioration of the circulating reagent due to contamination by process by-products. The invention provides a method of decontaminating such a circulating reagent by subjecting a bled-off sidestream to high temperature hydrolysis, so producing gaseous products recyclable to the foul gas stream. Solid products may also be produced which may be recycled to the reagent, perhaps after high-temperature reduction.
摘要翻译：用于从恶臭气流（例如煤碳化气体）中除去硫化氢（H2S）的气体净化方法，其涉及循环液体试剂，其中H 2 S被吸收并转化成硫并被回收并且再生和再循环的试剂表现出逐渐恶化循环试剂由于过程副产物污染。本发明提供了一种通过使排出侧流进行高温水解来净化这种循环试剂的方法，从而产生可回收到恶臭气流的气态产物。还可以生产固体产物，其可以在高温还原后再循环到试剂中。

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