Oxygen Delignification of Wheat Straw Soda Pulp with Anthraquinone Addition

被引：1

作者：

Liu, Zhulan ^{[1
]}

Cao, Yunfeng ^{[1
]}

Yao, Hua ^{[1
]}

Wu, Siqi ^{[1
]}

机构：

[1] Nanjing Forestry Univ, Jiangsu Prov Key Lab Pulp & Paper Sci & Technol, Nanjing 210037, Peoples R China

来源：

BIORESOURCES | 2013年 / 8卷 / 01期

关键词：

Anthraquinone; Wheat straw; Oxygen delignification; Grey-based Taguchi method; MULTIPLE QUALITY CHARACTERISTICS; KRAFT PULP; OPTIMIZATION; CELLULOSE; PAPER; PRINCIPLES; OXIDATION; LIGNINS; FABRICS; DESIGN;

D O I：

暂无

中图分类号：

TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];

学科分类号：

0805 ; 080502 ; 0822 ;

摘要：

Oxygen delignification of wheat straw soda pulp with the addition of anthraquinone (AQ) was conducted to evaluate the effects of AQ on pulp quality. The pulp yield, kappa number, intrinsic viscosity, and brightness were selected as the properties to optimize oxygen delignification. The optimal pulp was obtained via grey relational analysis with an alkali charge of 3%, oxygen pressure of 0.5 MPa at 120 degrees C for 85 min, and with 0.05% AQ. In contrast to conventional oxygen delignification, the addition of AQ produced pulp with a higher yield, and it did not generate other negative impacts on pulp kappa number, viscosity, and brightness. The reaction mechanism of AQ in oxygen delignification was different from that in alkali pulping.

引用

页码：1306 / 1319

页数：14

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