公开(公告)号：US20190186075A1

公开(公告)日：2019-06-20

申请号：US16311213

申请日：2017-06-27

Applicant: KEMIRA OYJ

Inventor： Leif ROBERTSÉN ,  Veli-Matti VUORENPALO ,  Anna-Maija PERANDER ,  Pentti PEKONEN ,  Jonas KONN

IPC: D21C9/10 ,  D21C9/16

CPC classification number: D21C9/1036 ,  D21C9/163 ,  D21C9/166

Abstract: The present invention relates to a process for treating pulp comprising a step, wherein the pulp is treated with distilled percarboxylic acid, such as distilled per-carboxylic acid (dPAA), and peroxide, such as hydrogen peroxide.