Preparation and Characterization of Activated Carbons from Biomass-based Carbon through Phosphoric Acid Activation

被引：0
|
作者：
Zhang Zhi [1 ]
Yu Zhimin [2 ]
Wu Ke [2 ]
Chen Peirong [1 ]
机构：
[1] Anhui Agr Univ, Sch Sci, Dept Appl Chem, Hefei 230036, Peoples R China
[2] Hefei Univ, Dept Biol & Environm Engn, Key Lab Appl Enzymol & Engn, Hefei 230022, Peoples R China
来源：
PROCEEDINGS OF THE 4TH INTERNATIONAL CONFERENCE ON ENVIRONMENTAL TECHNOLOGY AND KNOWLEDGE TRANSFER | 2012年
关键词：
biomass; activated carbon; adsorption; phosporic acid; PORE STRUCTURE; PYROLYSIS;
D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Activated carbon was prepared from pyrolysis charcoal of biomass through phosphoric acid activation. The effects of process variables such as the ratio of impregnation (r), activation temperature (7) and time (t) on the adsorption capacity of activated carbon were studied. Methylene blue decolorization (q) was investigated in this paper. In addition, the structure of the resultant activated carbon was characterized by infrared spectroscopy (FTIR), X-ray diffraction (XRD) and scanning electron microcopy (SEM). The results indicate that the suitable technological conditions are as follows: 1=2:1, T=450 C, t=2h, q=70mL/g. The activation process changed functional groups, changed the number of pore structure and achieved the high adsorption capacity.
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页码：661 / 666
页数：6
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