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公开(公告)号:US10538880B2
公开(公告)日:2020-01-21
申请号:US15642885
申请日:2017-07-06
Applicant: Ecolab USA Inc.
Inventor: Qing Qing Yuan , Qun Dong , Zhi Chen , Jian Kun Shen
IPC: D21H17/00 , D21H17/25 , D21H17/41 , D21H21/02 , D21H17/26 , D21H17/29 , D21H17/56 , D21C9/08 , D21H17/45 , D21H17/66
Abstract: The present invention discloses a method for detackifying organic contaminants in the process of pulping and papermaking and a composition used for the same. Specifically, the invention discloses that the water circulation system of pulping and papermaking process can be provided with non-ionic cellulose ether and cationic coagulant in lower amount, through which, the deposition of organic contaminants can be inhibited under the synergistic action of pre-coagulation and detackification.
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2.
公开(公告)号:US20170314203A1
公开(公告)日:2017-11-02
申请号:US15642885
申请日:2017-07-06
Applicant: Ecolab USA Inc.
Inventor: Qing Qing Yuan , Qun Dong , Zhi Chen , Jian Kun Shen
IPC: D21H17/00 , D21H17/66 , D21H17/56 , D21H17/45 , D21H17/41 , D21H17/29 , D21H17/26 , D21H17/25 , D21H21/02 , D21C9/08
CPC classification number: D21H17/74 , D21C9/08 , D21H17/00 , D21H17/25 , D21H17/26 , D21H17/29 , D21H17/41 , D21H17/45 , D21H17/56 , D21H17/66 , D21H21/02
Abstract: The present invention discloses a method for detackifying organic contaminants in the process of pulping and papermaking and a composition used for the same. Specifically, the invention discloses that the water circulation system of pulping and papermaking process can be provided with non-ionic cellulose ether and cationic coagulant in lower amount, through which, the deposition of organic contaminants can be inhibited under the synergistic action of pre-coagulation and detackification.
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