发明名称 |
OZONE BLEACHING |
摘要 |
Brown stock is ozone bleached in aqueous medium containing between 3 and 7% based on the weight of the medium of a protector selected from the group comprising polyhydric alcohols, water soluble ethers of said polyhydric alcohols and mixtures thereof, and the medium, after bleaching, is separated from the bleached pulp and preferably delivered to the pulp mill recovery system.
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申请公布号 |
CA2190503(A1) |
申请公布日期 |
1995.12.14 |
申请号 |
CA19952190503 |
申请日期 |
1995.05.26 |
申请人 |
MACMILLAN BLOEDEL LIMITED |
发明人 |
SOLINAS, MARCO;CHAN, VICTOR;MURPHY, THOMAS HOWARD;TAN, ZHENG |
分类号 |
D21C9/10;D21C9/153;(IPC1-7):D21C9/153 |
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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