| 发明名称 |
METHOD OF OBTAINING HIGH QUALITY FIBRE FROM CELLULOSIC WASTE MATERIALS OF MIXED GRADES D |
| 摘要 |
<p>This invention provides an integrated system for recovering fibers from mixed grades of waste paper and simultaneously cleaning (deinking) waste fibers. The system comprises a mild alkaline pulping process with oxygen and hydrogen peroxide followed by rapid decompression of fibers and then by hot washing. <IMAGE></p> |
| 申请公布号 |
PL297821(A1) |
申请公布日期 |
1993.09.06 |
| 申请号 |
PL19930297821 |
申请日期 |
1993.02.22 |
| 申请人 |
SCOTT PAPER CO |
发明人 |
HANKINS CHARLES W;PROCHAZKA OLDRICH C;SCHMITT JOHN F |
| 分类号 |
D21C5/02;D21C9/10;D21C9/147;D21C9/16;(IPC1-7):D01F2/00 |
主分类号 |
D21C5/02 |
| 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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