发明公开
- 专利标题: Improved process and system for purifying brown phosphoric acid
- 专利标题(中): 改进褐色磷酸的改进方法和系统
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申请号: EP80400241申请日: 1980-02-20
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公开(公告)号: EP0015809A3公开(公告)日: 1981-04-29
- 发明人: McConomy, Thomas A. , Wells, Bruce D.
- 申请人: CALGON CORPORATION
- 专利权人: CALGON CORPORATION
- 当前专利权人: CALGON CORPORATION
- 优先权: US13495 19790221
- 主分类号: C01B25/235
- IPC分类号: C01B25/235
摘要:
A system and process for decolorizing and purifying brown phosphoric acid using an activated carbon characterized by having a net pore volume of at least 0.40 cc./g. for those pores with diameters from 35 to 1000 A and wherein phosphonic acid is filtered through a bed of activated carbon contained in an housing.
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