发明名称 |
Verfahren für die Wasserreinigung. |
摘要 |
<p>The present invention relates to a process at the purification of water, in particular sewage water, comprising a nitrification process and a denitrification process during simultaneous decomposition of a pre-precipitated sludge of sewage water. The invention is characterized in that decomposed sludge or solutions of sludge of a chemical pre-precipitation of sewage water is added as a source of carbon at the denitrification step.</p> |
申请公布号 |
DE69003820(T2) |
申请公布日期 |
1994.02.10 |
申请号 |
DE1990603820T |
申请日期 |
1990.01.09 |
申请人 |
KEMIRA KEMI AB, HELSINGBORG, SE |
发明人 |
KARLSSON, JOHAN LARS INGEMAR, S-181 47 LIDINGOE, SE |
分类号 |
C02F3/34;C02F1/58;C02F3/12;C02F3/30;C02F11/18;(IPC1-7):C02F3/30 |
主分类号 |
C02F3/34 |
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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