| 发明名称 |
METHODS TO ENHANCE PULP BLEACHING AND DELIGNIFICATION |
| 摘要 |
A method to enhance brightness in Chemical and Mechanical pulps comprising adding an organic sulfide chelant is described and claimed. A method to enhance delignification in a Chemical pulp comprising adding an organic sulfide chelant is also described and claimed.
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| 申请公布号 |
CA2443340(A1) |
申请公布日期 |
2002.11.07 |
| 申请号 |
CA20022443340 |
申请日期 |
2002.04.03 |
| 申请人 |
ONDEO NALCO COMPANY |
发明人 |
DUGGIRALA, PRASAD Y.;SALMEN, KRISTINE S.;SHEVCHENKO, SERGEY M. |
| 分类号 |
D21C3/22;D21C9/10;D21C9/147;(IPC1-7):D21C3/20 |
主分类号 |
D21C3/22 |
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