发明授权
US4540558A Process for removing organic contaminants from wet-processed phosphoric
acid
失效
从湿法处理的磷酸中除去有机污染物的方法
- 专利标题： Process for removing organic contaminants from wet-processed phosphoric acid
- 专利标题（中）： 从湿法处理的磷酸中除去有机污染物的方法
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申请号： US627456申请日： 1984-07-03
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公开(公告)号： US4540558A公开(公告)日： 1985-09-10
- 发明人: Reinhard Gradl , Hans-Werner Stephan , Gero Heymer , Gunther Schimmel
- 申请人： Reinhard Gradl , Hans-Werner Stephan , Gero Heymer , Gunther Schimmel
- 申请人地址： DEX
- 专利权人： Hoechst Aktiengesellschaft
- 当前专利权人： Hoechst Aktiengesellschaft
- 当前专利权人地址： DEX
- 优先权： DEX3325862 19830718
- 主分类号： C01B25/235
- IPC分类号： C01B25/235 ; C01B25/237
摘要：
The disclosure relates to a process for removing organic compounds from wet-processed phosphoric acid with the aid of an adsorbant. To this end the disclosure provides for the acid to be heated to at least 250.degree. C. prior to treating it with the adsorbant. The disclosure also relates to an apparatus for carrying out the process.
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