发明授权
- 专利标题: Method of processing waste sludge from wet phosphoric acid purification acid purification facilities
- 专利标题(中): 湿法磷酸净化设备废渣处理方法
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申请号: US164698申请日: 1980-06-30
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公开(公告)号: US4300939A公开(公告)日: 1981-11-17
- 发明人: Martin Hater , Fritz Meininghaus , Rudiger Scheel
- 申请人: Martin Hater , Fritz Meininghaus , Rudiger Scheel
- 申请人地址: DEX
- 专利权人: Uhde GmbH
- 当前专利权人: Uhde GmbH
- 当前专利权人地址: DEX
- 优先权: DEX2854433 19790630
- 主分类号: C05B5/00
- IPC分类号: C05B5/00 ; C05B21/00
摘要:
A method for processing waste sludge from wet phosphoric acid purification facilities wherein steelworks slag is separately ground, the ground slag then is force-mixed and granulated together with the waste sludge.
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