发明名称 |
Process for removing heavy metal traces from waste waters by absorption to chemically modified charcoal |
摘要 |
Process for removing dissolved heavy metals at low concentration from waste waters (effluents). The waste waters are passed over a charcoal which, as a result of chemical modification, has additional carboxyl groups, as a result of which its absorption capacity is increased.
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申请公布号 |
DE3731920(A1) |
申请公布日期 |
1989.04.06 |
申请号 |
DE19873731920 |
申请日期 |
1987.09.23 |
申请人 |
DECHEMA DEUTSCHE GESELLSCHAFT FUER CHEMISCHES APPARATEWESEN,CHEMISCHE TECHNIK UND BIOTECHNOLOGIE EV |
发明人 |
KREYSA,GERHARD,PROF.DIPL.-CHEM.DR.;KOCHANEK,WOLFGANG,DIPL.-CHEM.DR. |
分类号 |
C02F1/28 |
主分类号 |
C02F1/28 |
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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