| 发明名称 |
Verfahren zum Entwässern und Eindicken von Klärschlamm |
| 摘要 |
<p>In a process for dehydration and concentration of sewage sludge containing activated sludge with the aid of organic and/or inorganic flocculators, the activated sludge content is produced in an aerated biological purification stage in presence of a composition containing a) folic acid and/or dihydrofolic acid or at least one ammonium, alkali metal, alkaline earth metal and/or alkanolammonium salt thereof and b) a water-soluble molybdenum compound, whereby an improved sludge dehydration of the activated sludge content is achieved.</p> |
| 申请公布号 |
DE4409870(C2) |
申请公布日期 |
1999.02.04 |
| 申请号 |
DE19944409870 |
申请日期 |
1994.03.22 |
| 申请人 |
BLUM, HOLGER, 20144 HAMBURG, DE |
发明人 |
BLUM, HOLGER, 20144 HAMBURG, DE |
| 分类号 |
C02F3/12;C02F11/14;(IPC1-7):C02F11/14;C07D475/04 |
主分类号 |
C02F3/12 |
| 代理机构 |
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代理人 |
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| 主权项 |
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