| 发明名称 |
PROCESS FOR PRODUCING A DRIED FERTILIZER FROM SEWAGE SLUDGE |
| 摘要 |
Sewage sludge is subjected to a treatment with an acid in order to form stable ammonium compounds before thermal drying of the sludge which would otherwise volatilize ammonia and diminish the nitrogen content of the sludge.
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| 申请公布号 |
CA1335940(C) |
申请公布日期 |
1995.06.20 |
| 申请号 |
CA19890614374 |
申请日期 |
1989.09.28 |
| 申请人 |
WESTINGHOUSE ELECTRIC CORPORATION |
发明人 |
LAHODA, EDWARD J.;LEDUC, ROBERT J. |
| 分类号 |
C05F7/00;(IPC1-7):C05F7/00;C05G3/00 |
主分类号 |
C05F7/00 |
| 代理机构 |
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