| 发明名称 |
USE OF SODIUM DITHIONITE IN A CELLULOSE PULPING PROCESS |
| 摘要 |
<p>The invention relates to a method for producing cellulose from material containing lignocellulose by means of sulfite decomposition or sulfate decomposition in the presence of a salt of dithionous acid, characterized in that the salt of dithionous acid is used in an amount in the range of 0.1 to 4.0 wt% with respect to the amount of kiln-dry material containing lignocellulose.</p> |
| 申请公布号 |
CA2892725(A1) |
申请公布日期 |
2014.06.19 |
| 申请号 |
CA20132892725 |
申请日期 |
2013.12.02 |
| 申请人 |
BASF SE;TECHNISCHE UNIVERSITAT DRESDEN |
发明人 |
ERREN, STEFAN;SCHONHABER, DIETER;SCHACHTL, MARTIN;FISCHER, STEFFEN;BAEURICH, CHRISTIAN |
| 分类号 |
D21C3/00;B27N3/00;D21C3/02;D21C3/04;D21C3/22;D21C9/10;D21C11/08 |
主分类号 |
D21C3/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
