期刊
JOURNAL OF HAZARDOUS MATERIALS
卷 151, 期 1, 页码 280-284出版社
ELSEVIER
DOI: 10.1016/j.jhazmat.2007.11.001
关键词
leather waste; adsorption; arsenic; chromium
This study evaluated the feasibility of using a solid waste from the leather industry as an adsorbent for removal of Cr(VI) and As(V) from aqueous media. The adsorbent material was characterized by chemical analyses, infrared spectroscopy, and scanning electronic microscopy (SEM) prior to reaction in order to assess its surface properties. Langmuir and Freundlich equations were used for analyzing the experimental data, which showed a better fit to the Lagmuir model, thus suggesting a monolayer adsorption process in the surface of the adsorbent. The high amounts of Cr(VI)-133 mg g(-1) and As(V)-26 mg g(-1) adsorbed demonstrates the great potential for using this solid waste from the leather industry as a low-cost alternative to the traditionally used adsorbent materials. (c) 2007 Elsevier B.V. All rights reserved.
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