| 发明名称 |
Integrated pulping process of waste paper yielding tissue-grade paper fibers |
| 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 |
HK1007776(A1) |
申请公布日期 |
1999.04.23 |
| 申请号 |
HK19980107016 |
申请日期 |
1998.06.26 |
| 申请人 |
KIMBERLY-CLARK WORLDWIDE, INC. |
发明人 |
CHARLES W. HANKINS;OLDRICH C. PROCHAZKA;JOHN F. SCHMITT |
| 分类号 |
D21C5/02;D21C9/10;D21C9/147;D21C9/16;(IPC1-7):D21C |
主分类号 |
D21C5/02 |
| 代理机构 |
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