发明名称 |
WATER PURIFICATION PROCESS |
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 |
EP0378521(B1) |
申请公布日期 |
1993.10.13 |
申请号 |
EP19900850009 |
申请日期 |
1990.01.09 |
申请人 |
KEMIRA KEMI AKTIEBOLAG |
发明人 |
KARLSSON, JOHAN LARS INGEMAR |
分类号 |
C02F3/34;C02F1/58;C02F3/12;C02F3/30;C02F11/18 |
主分类号 |
C02F3/34 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|