| 发明名称 |
PROCESS FOR PRODUCING CELLULOSE PULP HAVING A HIGH BRIGHTNESS |
| 摘要 |
<p>A process is provided for producing cellulose pulp of high brightness, which comprises pulping lignocellulosic material such as wood with oxygen under superatmospheric pressure in two stages, in the first at a pH within the range from about 6 to about 9, and in the second at a more alkaline pH of at least about 10.</p> |
| 申请公布号 |
CA1007406(A) |
申请公布日期 |
1977.03.29 |
| 申请号 |
CA19730188150 |
申请日期 |
1973.12.13 |
| 申请人 |
MO OCH DOMSJO AKTIEBOLAG |
发明人 |
SAMUELSON, HANS O.;SMEDMAN, LEIF A.;HAGGLUND, ERIK O.S. |
| 分类号 |
D21C3/00;D21C3/26;D21C9/147 |
主分类号 |
D21C3/00 |
| 代理机构 |
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代理人 |
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