| 发明名称 |
Oxygen/ozone/peracetic aicd delignification and bleaching of cellulosic pulps |
| 摘要 |
A method for delignification and bleaching of cellulosic pulp which comprises reacting a cellulosic pulp with peracetic acid, ozone and oxygen under conditions of acidic pH. The ozone substantially completely reacts with the pulp and, thereafter, the oxygen reacts with the pulp under under an acidic pH.
|
| 申请公布号 |
US5387317(A) |
申请公布日期 |
1995.02.07 |
| 申请号 |
US19930010533 |
申请日期 |
1993.01.28 |
| 申请人 |
THE MEAD CORPORATION |
发明人 |
PARTHASARATHY, VENKETA R.;RUDIE, GLENN F. |
| 分类号 |
D21C9/147;D21C9/153;D21C9/16;(IPC1-7):D21C9/147 |
主分类号 |
D21C9/147 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
