| 发明名称 |
Method for reduced sulfur dioxide formation in refiner bleaching |
| 摘要 |
A method for eliminating the formation of sulfur dioxide in a refiner bleaching process is disclosed wherein a selected amount of a carbonate is added to the refiner contents at approximately the same time that sodium dithionite is added.
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| 申请公布号 |
US5607547(A) |
申请公布日期 |
1997.03.04 |
| 申请号 |
US19950445318 |
申请日期 |
1995.05.19 |
| 申请人 |
HOECHST CELANESE CORPORATION |
发明人 |
NYE, JEFFREY;FAIRBANK, MARTIN G. |
| 分类号 |
D21B1/16;D21C9/10;(IPC1-7):D21B1/16;D21C9/12 |
主分类号 |
D21B1/16 |
| 代理机构 |
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代理人 |
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| 主权项 |
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