发明申请
- 专利标题: USE OF SODIUM DITHIONITE IN PULPING
- 专利标题(中): 在破碎中使用二氧化钛
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申请号: US14103905申请日: 2013-12-12
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公开(公告)号: US20140158315A1公开(公告)日: 2014-06-12
- 发明人: Stefan Erren , Dieter Schönhaber , Martin Schachtl
- 申请人: BASF SE
- 申请人地址: DE Ludwigshafen
- 专利权人: BASF SE
- 当前专利权人: BASF SE
- 当前专利权人地址: DE Ludwigshafen
- 主分类号: D21C3/04
- IPC分类号: D21C3/04
摘要:
A method of producing cellulose from lignocellulosic material by sulfite digestion or sulfate digestion in the presence of a salt of dithionous acid comprises using the salt of dithionous acid in an amount from 0.1 to 4.0 wt. % based on the amount of oven-dry lignocellulosic material.
公开/授权文献
- US09121135B2 Use of sodium dithionite in pulping 公开/授权日:2015-09-01
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