| 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.
|
| 申请公布号 |
US2004154761(A1) |
申请公布日期 |
2004.08.12 |
| 申请号 |
US20040774278 |
申请日期 |
2004.02.06 |
| 申请人 |
DUGGIRALA PRASAD Y.;SHEVCHENKO SERGEY M.;SALMEN KRISTINE S. |
发明人 |
DUGGIRALA PRASAD Y.;SHEVCHENKO SERGEY M.;SALMEN KRISTINE S. |
| 分类号 |
D21C3/22;D21C9/10;D21C9/147;(IPC1-7):D21B1/16;D21C3/20 |
主分类号 |
D21C3/22 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
