| 发明名称 |
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| 摘要 |
An apparatus for and a process of treating sludge filter cake and the granular product thereof which comprises reducing the particle size and moisture content of the sludge cake, sterilizing the sludge cake by contacting the sludge cake with an N-methylol-urea solution, reacting the N-methylol-urea solution with the sludge cake at a pH of 3 to 5 while agitating the sludge particles to provide a granular-reaction product, and drying the product to provide a granular, high-nitrogen, odorless fertilizer or animal feed supplement product. |
| 申请公布号 |
DE2523483(C2) |
申请公布日期 |
1987.05.07 |
| 申请号 |
DE19752523483 |
申请日期 |
1975.05.23 |
| 申请人 |
OMNICOLOGY, INC., GLOVERSVILLE, N.Y., US |
发明人 |
O'DONNELL, JAMES M., WOONSOCKET, R.I., US |
| 分类号 |
A23K1/00;A23K1/14;A23K1/22;B01J2/00;C02F1/28;C02F1/54;C02F11/00;C02F11/12;C02F11/14;C05F7/00 |
主分类号 |
A23K1/00 |
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