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1. 发明授权

US06893620B2 Process and apparatus for recovering sulphur from a gas stream containing hydrogen sulphide 有权
标题翻译：从含有硫化氢的气流中回收硫的方法和装置
公开(公告)号：US06893620B2
公开(公告)日：2005-05-17
申请号：US10363142
申请日：2001-09-04
申请人： Richard William Watson , Stephen Rhys Graville
发明人： Richard William Watson , Stephen Rhys Graville
IPC分类号： B01D53/52 , B01D53/86 , C01B17/04 , C01D17/04
CPC分类号： B01D53/8615 , B01D53/52 , C01B17/0404 , C01B17/046
摘要： Oxygen or oxygen-enriched air is employed to support combustion in furnace (16) of part of the hydrogen sulphide content of a first feed gas stream. Sulphur is extracted from the resulting gas stream in a sulphur condenser (26). Catalyst Claus reaction between hydrogen sulphide and sulphur dioxide in the resulting sulphur vapour depleted gas stream takes place in a catalytic reactor (32). Sulphur is extracted in a further sulphur condenser (34). The resulting sulphur vapour depleted gas stream is passed into a catalytic reduction reactor (40) in which all the residual sulphur dioxide and any sulphur vapour are reduced to hydrogen sulphide. The resulting reduced gas mixture has water vapour extracted there from in a quench tower (52). The resulting water vapour depleted gas stream flows to a Claus plant for further treatment typically together with a second feed gas stream.
摘要翻译：采用氧气或富氧空气来支持第一进料气流中部分硫化氢含量的炉（16）中的燃烧。在硫冷凝器（26）中从所得气流中提取硫。所得硫蒸汽贫化气体流中的硫化氢和二氧化硫之间的催化剂克劳斯反应在催化反应器（32）中进行。硫在另外的硫冷凝器（34）中提取。将所得的硫蒸气贫化气流送入催化还原反应器（40），其中所有残留的二氧化硫和任何硫蒸气被还原为硫化氢。所得到的还原气体混合物在骤冷塔（52）中从其中提取水蒸气。所得到的蒸气贫化气流流经克劳斯工厂进行进一步处理，通常与第二进料气流一起。

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