| 发明名称 |
Sätt vid anaerob rening av avloppsvatten |
| 摘要 |
<p>The invention relates to a method of treating wastewater from closed manufacture of mechanical or chemi-mechanical cellulose pulp, which treatment is carried out in a hydrolysis and acid fermentation step and a methane fermentation step with subsequent sludge separation and recycling of separated sludge.</p> |
| 申请公布号 |
FI78281(C) |
申请公布日期 |
1989.07.10 |
| 申请号 |
FI19840003132 |
申请日期 |
1984.08.09 |
| 申请人 |
PURAC AKTIEBOLAG, |
发明人 |
ANDERSSON,PER-ERIK;ANNERGREN,GOERAN ERIK;HOEGLUND,HANS;PETERSON,PER VIKING |
| 分类号 |
C02F3/28;C02F3/30;D21C9/02;(IPC1-7):C02F3/28 |
主分类号 |
C02F3/28 |
| 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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