期刊
BIORESOURCE TECHNOLOGY
卷 98, 期 2, 页码 353-360出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2005.12.023
关键词
activated carbon; cattle-manure compost; zinc chloride; activation
Dried cattle-manure compost was pyrolyzed by a one-step process to obtain activated carbon using chemical activation by zinc chloride. The influence of activation parameters such as ZnCl2 to cattle-manure compost (ZnCl2/CMC) ratio, activation temperature and retention time on the final products was investigated. The resultant activated carbons were characterized by nitrogen adsorption-desorption isotherms at 77 K. The results showed that the surface area and pore volume of activated carbons, which were estimated by BET and t-plot methods, were achieved as high as 2170 m(2)/g and 1.70 cm(3)/g in their highest value, respectively. Thermogravimetric analysis (TGA) was carried out to monitor the pyrolysis process of cattle-manure compost (CMC) and ZnCl2 impregnated one (ZnCl2/CMC). The capabilities of phenol adsorption were also examined for the CMC carbons prepared with various treatments. (c) 2006 Elsevier Ltd. All rights reserved.
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