| 发明名称 |
Method for reduction of sewage sludge from sewage clarification plants. |
| 摘要 |
<p>Sewage sludge from an activated sludge system in a sewage clarification plant is reduced by converting at least a part of the organic mass of the sludge into a biologically degradable form by treating the sludge with an acid at a pH of from about 0 to about 2, at an elevated temperature and at an elevated pressure. The dissolved organic mass shows an excellent biological degradability.</p> |
| 申请公布号 |
EP0189155(A1) |
申请公布日期 |
1986.07.30 |
| 申请号 |
EP19860100628 |
申请日期 |
1986.01.18 |
| 申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
ECKMANN, PETER;LINDEMANN, NORBERT;UMLAUFF, GERWALD;ADAMS, HANS-NORBERT, DR. DIPL.-CHEM. |
| 分类号 |
C02F1/02;C02F1/72;C02F3/12;C02F11/08;C02F11/12;(IPC1-7):C02F11/18 |
主分类号 |
C02F1/02 |
| 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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