| 发明名称 |
Elimination of sulfur dioxide formation in refiner bleaching. |
| 摘要 |
<p>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.</p> |
| 申请公布号 |
EP0604088(A1) |
申请公布日期 |
1994.06.29 |
| 申请号 |
EP19930310028 |
申请日期 |
1993.12.13 |
| 申请人 |
ABITIBI-PRICE INC.;HOECHST CELANESE CORPORATION |
发明人 |
NYE, JEFFREY;FAIRBANK, MARTIN G. |
| 分类号 |
D21C9/10;D21B1/16;(IPC1-7):D21B1/16 |
主分类号 |
D21C9/10 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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