发明名称 |
PROCESS FOR PEROXIDE BLEACHING OF MECHANICAL PULP USING SODIUM CARBONATE AND NON-SILICATE CHELATING AGENTS |
摘要 |
A process is provided for peroxygen bleaching of high yield pulp in which sodium carbonate replaces sodium hydroxide and sodium silicate. The process employs a chelating agent as a substitute for the silicate normally required so that the process can operate as a closed cycle system.
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申请公布号 |
US5248389(A) |
申请公布日期 |
1993.09.28 |
申请号 |
US19920912429 |
申请日期 |
1992.07.13 |
申请人 |
FMC CORPORATION |
发明人 |
HEIMBURGER, STANLEY A.;TREMBLAY, STEVE E.;MENG, TOMMY Y. |
分类号 |
D21C9/10;D21C9/16 |
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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