Spherical microporous/mesoporous activated carbon from pulping black liquor

被引：19

作者：

Zhang, Jian ^{[1
]}

Yu, Lianxiang ^{[1
]}

Wang, Zichen ^{[1
]}

Tian, Yumei ^{[1
]}

Qu, Yuning ^{[1
]}

Wang, Yan ^{[1
]}

Li, Jiajing ^{[1
]}

Liu, Hequn ^{[1
]}

机构：

[1] Jilin Univ, Coll Chem, Changchun 130012, Peoples R China

来源：

JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY | 2011年 / 86卷 / 09期

关键词：

pulping black liquor; spherical lignin; spheroidal activated carbon; environment-friendly; CHEMICAL ACTIVATION; LIGNIN; ADSORPTION;

D O I：

10.1002/jctb.2627

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：

BACKGROUND: A simple and effective method with environmental and economic benefits has been developed to produce spherical lignin and spheroidal microporous/mesoporous activated carbon from pulping black liquor. RESULTS: Spherical lignin with regular size of about 100 nm was obtained at 90 degrees C after 8 h treatment at pH 2. Pyrolysis of spherical lignin was impregnated with H3PO4 producing spheroidal microporous/mesoporous activated carbon with high apparent Brunauer-Emmett-Teller (BET) surface area of 1972 m(2) g(-1) and high carbon content of 68.0 wt% at 700 degrees C with impregnation ratio of 1:7. CONCLUSION: The process was inexpensive, sustainable, environment-friendly and suitable for large-scale production. (C) 2011 Society of Chemical Industry

引用

页码：1177 / 1183

页数：7

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