- 专利标题： BLEACHING AND SHIVE REDUCTION PROCESS FOR NON-WOOD FIBERS
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申请号： US16923556申请日： 2020-07-08
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公开(公告)号： US20200332466A1公开(公告)日： 2020-10-22
- 发明人: Jeffrey A. Lee , Raymond Jeffrey Harwood , Edward J. Smith
- 申请人： GPCP IP HOLDINGS LLC
- 主分类号： D21C9/10
- IPC分类号： D21C9/10 ; D21C9/16 ; D01C1/00 ; D06L1/12 ; D21H11/12 ; D21C5/02 ; D06L4/18 ; D21H11/14 ; D06L4/13 ; D06L4/12 ; D06L4/10
摘要：
The present invention is directed to a method for scouring and increasing the brightness of non-wood fibers. The method comprises forming a mixture of non-wood fibers, exposing the mixture to a scouring liquor and a scouring agent comprising oxygen gas to form a scouring mixture, and scouring the scouring mixture by radially circulating the scouring liquor throughout the scouring mixture to provide scoured fibers.
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