发明名称 |
METHOD FOR MANUFACTURING MECHANICAL PULP AND USE OF THE MECHANICAL PULP |
摘要 |
A method for treating mechanical pulp. Resinous mechanical pulp is brought into process in a process water flow. The resinous pulp is ozonated at a temperature between 80 and 87° C. and at pH less than 4. The pH of the pulp is adjusted after the ozonation process to correspond to the pH required in bleaching. The pulp is bleached.
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申请公布号 |
US2011214825(A1) |
申请公布日期 |
2011.09.08 |
申请号 |
US200913063273 |
申请日期 |
2009.09.08 |
申请人 |
ITT MANUFACTURING ENTERPRISES,INC. |
发明人 |
BILLING ERNST-MARTIN;HAERKOENEN ESKO;VIIK HELI;HOSTACHY JEAN-CRISTOPHE;KOCIMSKI SERGE |
分类号 |
D21C9/08;D21C9/10;D21C9/16 |
主分类号 |
D21C9/08 |
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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