| 发明名称 |
A METHOD FOR BLEACHING KRAFT PULP WITH A MIXTURE OF OXYGEN AND PEROXIDE |
| 摘要 |
The invention concerns a process for the delignification and brightening of lignocellulosic pulp (1) by contacting chlorinated pulp with a base (25) and a hypochlorite (22) at a temperature of at least about 140 DEG F prior to adding oxygen (31) and a peroxide (33). |
| 申请公布号 |
WO9100386(A1) |
申请公布日期 |
1991.01.10 |
| 申请号 |
WO1990US03600 |
申请日期 |
1990.06.25 |
| 申请人 |
NEKOOSA PAPERS, INC. |
发明人 |
DE GROOT, DAVID, L.;CAMPBELL, PHILIP, R. |
| 分类号 |
D21C9/14;D21C9/147;D21C9/16 |
主分类号 |
D21C9/14 |
| 代理机构 |
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代理人 |
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