发明名称 |
METHOD IN CONNECTION WITH THE PRODUCTION OF MECHANICAL PULP |
摘要 |
<p>A method in connection with the production of mechanical pulp from a cellulo se containing material, wherein the material is processed in at least one refining step to produce pulp. According to the invention, the pulp is fractionated (4), after a first refining step (1), in order to separate primary fines (5) from the pulp. The invention also relates to a mechanical pulp, produced by the method, and to a paperboard, which at least partly consists of such mechanical pulp.</p> |
申请公布号 |
CA2384461(A1) |
申请公布日期 |
2001.03.22 |
申请号 |
CA20002384461 |
申请日期 |
2000.09.06 |
申请人 |
STORA KOPPARBERGS BERGSLAGS AKTIEBOLAG |
发明人 |
FREDLUND, MATS;MOBERG, ANDERS;PENG, FRANK |
分类号 |
D21B1/12;D21B1/14;D21B1/32;(IPC1-7):D21B1/14 |
主分类号 |
D21B1/12 |
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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