| 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 |
US7229525(B2) |
申请公布日期 |
2007.06.12 |
| 申请号 |
US20050121217 |
申请日期 |
2005.05.03 |
| 申请人 |
NALCO COMPANY |
发明人 |
DUGGIRALA PRASAD Y.;SHEVCHENKO SERGEY M.;SALMEN KRISTINE S. |
| 分类号 |
D21B1/16;D21C3/22;D21C9/10;D21C9/147 |
主分类号 |
D21B1/16 |
| 代理机构 |
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