| 发明名称 |
FOERFARANDE FOER AVSVAERTNING AV RETURPAPPERSMASSA |
| 摘要 |
<p>Recycled paper pulp is de-inked by treating it at neutral or alkaline pH with an aqueous deinking composition comprising one or more reducing agents. The preferred reducing agents are sodium bisulfite and sodium borohydride. Sodium hydroxide is preferably used to give the desired pH.</p> |
| 申请公布号 |
FI933066(A) |
申请公布日期 |
1994.01.03 |
| 申请号 |
FI19930003066 |
申请日期 |
1993.07.02 |
| 申请人 |
MORTON INTERNATIONAL INC. |
发明人 |
HACHE, MAURICE;PROSPERI, SHERI |
| 分类号 |
D21C5/02;D21C9/10 |
主分类号 |
D21C5/02 |
| 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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