发明名称 |
PROCESS FOR THE CO-PRODUCTION OF DISSOLVING-GRADE PULP AND XYLAN |
摘要 |
Disclosed is a process for upgrading paper-grade wood pulp to dissolving grade pulp which is suitable for use in the preparation of viscose rayon, cellulose ethers and cellulose esters such as cellulose acetate. The process utilizes a sequence of caustic extraction, xylanase treatment and caustic extraction to remove most of the xylan, which may be recovered for use in the production of xylose, xylitol, and furans. |
申请公布号 |
WO9816682(A2) |
申请公布日期 |
1998.04.23 |
申请号 |
WO1997US18834 |
申请日期 |
1997.10.10 |
申请人 |
EASTMAN CHEMICAL COMPANY |
发明人 |
HYATT, JOHN, ANTHONY;FENGL, RICHARD, WILLIAM;EDGAR, KEVIN, JOSEPH;ALVAREZ-WRIGHT, MARIA, TERESA |
分类号 |
C08B37/14;C08B37/00;D21C5/00;D21C9/00;D21C11/00 |
主分类号 |
C08B37/14 |
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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