The use of peracids in delignification and cellulose pulp bleaching

被引：48

作者：

Brasileiro, LB

Colodette, JL

Piló-Veloso, D

机构：

[1] Univ Fed Minas Gerais, Colegio Tecn, BR-31270901 Belo Horizonte, MG, Brazil

[2] Univ Fed Vicosa, Dept Engn Florestal, BR-36571000 Vicosa, MG, Brazil

[3] Univ Fed Minas Gerais, Dept Quim, BR-31270901 Belo Horizonte, MG, Brazil

来源：

QUIMICA NOVA | 2001年 / 24卷 / 06期

关键词：

peracids; pulp bleaching; delignification;

D O I：

10.1590/S0100-40422001000600020

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Peracids are strong oxidant species and their use is being largely studied in the delignification and cellulose pulp bleaching. Some of them has already an industrial application, specially in non-conventional bleaching sequences like ECF (Elemental chlorine free) and TCF (Totally chlorine free). This review presents the train aspects of the structure, properties, preparation and reaction of peracids (peracetic acid, peroxymonosulfuric acid and their mixture) with lignin, specially for peracetic acid. Information about bleaching and delignification of wood pulps with peracids and the factors affecting its efficiency are also presented.

引用

页码：819 / 829

页数：11

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