发明名称 |
MANUFACTURING METHOD FOR DISSOLVING KRAFT PULP |
摘要 |
PROBLEM TO BE SOLVED: To provide a technique for manufacturing dissolving pulp having high quality by a kraft pulping method using hardwood materials as raw materials.SOLUTION: There is provided a method for manufacturing dissolving pulp from hardwood materials including the steps of: adding water to wood chips including hardwood chips, processing the wood chips at a temperature ranging from 150 to 180°C for 30 to 400 minutes and performing decomposition or elution of hemi-cellulose components contained in the wood chips, (a); cleaning the wood chips after processing and collecting the wood chips, (b); and causing the wood chips collected to be subjected to a kraft pulping process and manufacturing pulp, (c). |
申请公布号 |
JP2014001471(A) |
申请公布日期 |
2014.01.09 |
申请号 |
JP20120136398 |
申请日期 |
2012.06.15 |
申请人 |
NIPPON PAPER INDUSTRIES CO LTD |
发明人 |
TAKAYAMA MASAHITO;SUYAMA KENICHIRO;SATO KANA;ONO ATSUSHI;KUROSU KAZUHIRO |
分类号 |
D21C3/02;D21C3/26;D21C9/10 |
主分类号 |
D21C3/02 |
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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