发明名称 |
Process for the purification of waste waters produced in lead crystal grinding |
摘要 |
The invention relates to a process for the purification by sedimentation of waste waters (effluents) produced in lead crystal grinding. The process is characterised in that the waste waters are circulated and, following sedimentation known per se, are freed from residual suspended and dissolved contaminating substances by subsequent filtration and ion-exchange treatment.
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申请公布号 |
DE3602324(A1) |
申请公布日期 |
1987.07.30 |
申请号 |
DE19863602324 |
申请日期 |
1986.01.27 |
申请人 |
DIDIER-WERKE AG |
发明人 |
BARTKE,HEINZ;BENDER,HEINRICH;BOEHM,ADOLF;LAURENT,GUENTER |
分类号 |
C02F1/66;C02F9/00;(IPC1-7):C02F9/00;C02F1/42;C02F1/52 |
主分类号 |
C02F1/66 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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