发明授权
- 专利标题: Electrochemical process
- 专利标题(中): 电化学工艺
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申请号: US627290申请日: 1996-04-04
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公开(公告)号: US5653861A公开(公告)日: 1997-08-05
- 发明人: Johan Landfors , Bo H.ang.kansson
- 申请人: Johan Landfors , Bo H.ang.kansson
- 申请人地址: SEX Bohus
- 专利权人: Eka Nobel AB
- 当前专利权人: Eka Nobel AB
- 当前专利权人地址: SEX Bohus
- 优先权: SEX9501287 19950406
- 主分类号: C02F1/467
- IPC分类号: C02F1/467 ; D21C11/00 ; C02F1/461
摘要:
The invention relates to a method of producing pulp comprising a step of forming green liquor containing alkali metal sulfide and alkali metal carbonate. The method further comprises a step of electrochemically treating the green liquor to oxidize at least part of the sulfide therein.
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