公开(公告)号：US20170198435A1

公开(公告)日：2017-07-13

申请号：US15326543

申请日：2015-07-10

Applicant: Kemira Oyj

Inventor： Clayton Campbell ,  James Atkinson ,  Arkadiusz Zaniewski ,  Marko Kolari ,  Jaakko Ekman

IPC: D21C3/22 ,  D21H17/65 ,  D21H27/00 ,  D21H21/02

CPC classification number: D21C3/226 ,  D21H17/65 ,  D21H17/675 ,  D21H21/02

Abstract: The present invention provides a method for preventing or decreasing scale formation on process surfaces in manufacturing process of paper, board or the like, in which method performic acid is used as an antiscaling agent.

公开(公告)号：US10392746B2

公开(公告)日：2019-08-27

申请号：US15326543

申请日：2015-07-10

Applicant: Kemira Oyj

Inventor： Clayton Campbell ,  James Atkinson ,  Arkadiusz Zaniewski ,  Marko Kolari ,  Jaakko Ekman

IPC: D21H21/02 ,  D21H17/65 ,  D21C3/22 ,  D21H17/67

Abstract: The present invention provides a method for preventing or decreasing scale formation on process surfaces in manufacturing process of paper, board or the like, in which method performic acid is used as an antiscaling agent.