| 发明名称 |
METHOD FOR PRODUCING POLYSULPHIDE BY MEANS OF OXIDIZING SULPHIDE IN SPENT LIQUORS FROM KRAFT CELLULOSE COOKING |
| 摘要 |
The invention consists of a method for producing polysulphide by means of oxidizing sulphide in spent liquors from kraft cellulose cooking. It is characterized by green liquor sludge being used as a catalyst during the oxidation.
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| 申请公布号 |
WO9702382(A1) |
申请公布日期 |
1997.01.23 |
| 申请号 |
WO1996SE00820 |
申请日期 |
1996.06.24 |
| 申请人 |
KVAERNER PULPING AB;WENNBERG, OLLE;WIMBY, MARTIN |
发明人 |
WENNBERG, OLLE;WIMBY, MARTIN |
| 分类号 |
D21C11/00;(IPC1-7):D21C11/04 |
主分类号 |
D21C11/00 |
| 代理机构 |
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