STUDY ON THE OXYGEN DELIGNIFICATION OF THE USE OF PERACETIC ACID PRETREATMENT COMBINATING WITH SURFACTANT

被引：0
|
作者：
Liu Mingyou [1 ]
Guan Qingfang [1 ]
Xiao Xianying [1 ]
机构：
[1] S China Univ Technol, State Engn Res Ctr Paper Pollut Control, Guangzhou 510640, Peoples R China
来源：
RESEARCH PROGRESS IN PAPER INDUSTRY AND BIOREFINERY (4TH ISETPP), VOLS 1-3 | 2010年
关键词：
oxygen delignification; peracetic acid (Pa) pretreatment; Surfactant AO; TCF bleaching;
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：
Studying the role of hard wood pulp oxygen delignification of the use of peracetic acid(Pa) pretreatment combined with Surfactant AO. The experiment showed that when the peracetic acid dosage was 0.5%, pH was 6, the reaction time was 30min, the surfactant dosage was 0.2%, the pulp delignification rate increased by 13%, and the delignification selectivity also improved significantly. After QP bleaching treatment, the whiteness of enhanced oxygen delignification slurry reached 83.6%ISO, while the whiteness of conventional oxygen delignification pulp was only 73.5%ISO.
引用
收藏
页码：597 / 599
页数：3
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