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    • 3. 发明授权
    • Process for producing a purified gas stream
    • 用于生产净化气流的方法
    • US07625539B2
    • 2009-12-01
    • US12092367
    • 2006-11-02
    • Cornelis Petrus Johannes Maria Van Den BrandLydia SingoredjoJohannes Theodorus Maria Smits
    • Cornelis Petrus Johannes Maria Van Den BrandLydia SingoredjoJohannes Theodorus Maria Smits
    • C01B17/04C01B17/16
    • B01D53/8603B01D53/48B01D2257/304B01D2257/306C01B17/0404C01B17/0452C01B17/0456C01B17/165
    • A process for producing a purified gas stream from a feed gas stream comprising contaminants, the process comprising the steps of: (a) removing contaminants from the feed gas stream to obtain the purified gas stream and a sour gas stream comprising H2S and RSH; (b) separating the sour gas stream comprising H2S and RSH into a gas stream enriched in H2S and a residual gas stream comprising RSH; (c) converting H2S in the gas stream enriched in H2S to elemental sulphur in a Claus unit, thereby obtaining a first off-gas stream comprising SO2; (d) converting SO2 in the first off-gas stream comprising SO2 to H2S in a Claus off-gas treating reactor to obtain a second off-gas stream comprising H2S; (e) converting RSH from the residual gas stream comprising RSH to H2S in an RSH conversion reactor to obtain a residual gas stream comprising H2S, wherein at least one of the operating conditions of the RSH conversion reactor is different from the corresponding operating condition of the Claus off-gas treating reactor.
    • 一种从包含污染物的进料气流产生净化气流的方法,该方法包括以下步骤:(a)从进料气流中除去污染物以获得纯化气流和包含H 2 S和RSH的酸性气流; (b)将包含H 2 S和RSH的酸性气流分离成富含H 2 S的气流和包含RSH的残余气流; (c)在克劳斯单元中将富含H 2 S的气流中的H 2 S转化为元素硫,从而获得包含SO 2的第一废气流; (d)在克劳斯废气处理反应器中将包含SO 2的第一废气流中的SO 2转化为H 2 S.以获得包含H 2 S的第二废气流; (e)在RSH转化反应器中将RSH从包括RSH的残余气流转化为H 2 S以获得包含H 2 S的残余气流,其中RSH转化反应器的至少一个操作条件不同于 克劳斯废气处理反应器。