发明名称 |
Treatment of gas containing hydrogen sulfide |
摘要 |
An effluent alkali salt solution obtained in the desulfurization of a hydrogen sulfide-containing gas by washing with an alkali wash solution is subjected to a two stage precipitation treatment at different temperatures to recover valuable components such as a vanadium compound, chelating agent, ADA, and active alkali salts while removing inactive salts such as sulfate and thiosulfate.
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申请公布号 |
US4118467(A) |
申请公布日期 |
1978.10.03 |
申请号 |
US19780887364 |
申请日期 |
1978.03.16 |
申请人 |
NITTETU CHEMICAL ENGINEERING LTD. |
发明人 |
SANO, MASARU;KASHIMA, KOJI |
分类号 |
B01D53/14;B01D53/52;B01D53/77;C01B17/05;C02F1/58;(IPC1-7):C01B17/04 |
主分类号 |
B01D53/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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