发明名称 |
Verfahren zur stofflichen Verwertung von Gülle |
摘要 |
<p>Treatment of ammonium-containing waste water comprises concentrating the waste water to obtain a concentrate enriched in ammonium and other soluble substances while recovering ammonium-free purified water, precipitating magnesium ammonium phosphate from the concentrate, and separating the precipitate from the ammonium-free concentrate. Treatment of ammonium-containing waste water containing other soluble substances and optionally solids comprises: (a) optionally separating solids; (b) concentrating the waste water to obtain a concentrate enriched in ammonium and other soluble substances while recovering ammonium-free purified water; (c) precipitating magnesium ammonium phosphate from the concentrate; and (d) separating the precipitate from the ammonium-free concentrate.</p> |
申请公布号 |
DE19829799(C2) |
申请公布日期 |
2001.03.29 |
申请号 |
DE1998129799 |
申请日期 |
1998.07.03 |
申请人 |
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. |
发明人 |
HIRTH, THOMAS;SCHWEPPE, RAINER;HOEHN, KAI |
分类号 |
C01B25/45;C02F1/44;C02F1/52;C05B9/00;C05C3/00;C05F17/00;C05G5/00;(IPC1-7):C02F9/00;C01C1/10;B01D61/14;C02F1/58 |
主分类号 |
C01B25/45 |
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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