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 |
AT223870(T) |
申请公布日期 |
2002.09.15 |
申请号 |
AT19990111908T |
申请日期 |
1999.06.21 |
申请人 |
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. |
发明人 |
HIRTH, THOMAS, DR.;SCHWEPPE, RAINER;HOEHN, KAI |
分类号 |
C01B25/45;C02F1/44;C02F1/52;C05B9/00;C05C3/00;C05F17/00;C05G5/00;(IPC1-7):C02F1/52;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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