| 发明名称 |
SETT VID ANAEROB RENING AV AVLOPPSVATTEN |
| 摘要 |
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. |
| 申请公布号 |
SE8304354(L) |
申请公布日期 |
1985.02.11 |
| 申请号 |
SE19830004354 |
申请日期 |
1983.08.10 |
| 申请人 |
SCA DEVELOPMENT AB |
发明人 |
ANDERSSON P-E;ANNEGREN G E;HOGLUND H E;PETERSON P V |
| 分类号 |
C02F3/28;C02F3/30;D21C9/02;(IPC1-7):C02F11/04 |
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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