| 发明名称 |
Hydrogen peroxide reinforced oxygen delignification. |
| 摘要 |
<p>A process is provided for a two-stage oxygen delignification of chemical pulp in which 0.01% to 1% hydrogen peroxide is incorporated into the first and, optionally the second stage. The invention is particularly suitable when the pulp is subsequently bleached with at least one chlorine dioxide stage and at least one hydrogen peroxide stage.</p> |
| 申请公布号 |
EP0401149(A1) |
申请公布日期 |
1990.12.05 |
| 申请号 |
EP19900610030 |
申请日期 |
1990.05.04 |
| 申请人 |
FMC CORPORATION;NORTH CAROLINA STATE UNIVERSITY |
发明人 |
KLEIN, RONALD JAMES;PARTHASARATHY, V.R.;JAMEEL, HASAN;SUNDARAM, MEENAKSHI;GRATZL, JOSEF STEPHAN |
| 分类号 |
D21C9/10;D21C9/147;D21C9/16 |
主分类号 |
D21C9/10 |
| 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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