STUDY ON THE ECF BLEACHING OF MULBERRY BRANCH KRAFT PULP

被引：0

作者：

Li Jun ^{[1
]}

Xu Jun ^{[1
]}

Chen Kefu ^{[1
]}

Tang Jiebin ^{[1
]}

Mo Lihuan ^{[1
]}

Du Zejian ^{[1
]}

机构：

[1] S China Univ Technol, State Key Lab Pulp & Paper Engn, Guangzhou 510640, Peoples R China

来源：

RESEARCH PROGRESS IN PAPER INDUSTRY AND BIOREFINERY (4TH ISETPP), VOLS 1-3 | 2010年

关键词：

mulberry branch; ECF bleaching; ODED;

D O I：

暂无

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

In this study, the elemental chlorine free (ECF) bleaching sequences of oxygen delignification (O), first-stage chlorine dioxide (D-0), alkaline extraction (E) and second-stage chlorine dioxide (D-1) were chosen to bleach the mulberry branch kraft pulp. The results showed that the optimum NaOH dosage in O stage was 4% and the optimum ClO2 dosage in D-0 stage was 1.5%. Finally, the pulp was bleached to a brightness of above 88%ISO through E stage with an addition of 1% NaOH and 0.5% H2O2 followed by D-1 stage with an addition of 1.5% ClO2.

引用

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页码：570 / 573

页数：4

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