| 发明名称 |
Method for treating wastewater sludge |
| 摘要 |
A method of decontaminating wastewater sludge to a level that meets or exceeds USEPA Process to Further Reduce Pathogens standards, wherein lime or kiln dust and/or other alkaline materials are mixed with wastewater sludge in sufficient quantity to raise the pH of the mixture to 12 and above for a predetermined time and drying the resulting mixture.
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| 申请公布号 |
US4902431(A) |
申请公布日期 |
1990.02.20 |
| 申请号 |
US19880149575 |
申请日期 |
1988.01.28 |
| 申请人 |
N-VIRO ENERGY SYSTEMS LTD. |
发明人 |
NICHOLSON, JOHN P.;BURNHAM, JEFFREY C. |
| 分类号 |
C02F1/02;C02F1/50;C02F11/12;C02F11/18;C05F7/00 |
主分类号 |
C02F1/02 |
| 代理机构 |
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代理人 |
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| 地址 |
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