Adsorption characteristics of As(V) on iron-coated zeolite
- Authors
- Jeon, Chil-Sung; Baek, Kitae; Park, Joon-Kyu; Oh, Young-Ki; Lee, Sang-Do
- Issue Date
- 30-Apr-2009
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Iron-coated zeolite; Arsenic; Sorption; Kinetics
- Citation
- JOURNAL OF HAZARDOUS MATERIALS, v.163, no.2-3, pp 804 - 808
- Pages
- 5
- Journal Title
- JOURNAL OF HAZARDOUS MATERIALS
- Volume
- 163
- Number
- 2-3
- Start Page
- 804
- End Page
- 808
- URI
- https://scholarworks.bwise.kr/kumoh/handle/2020.sw.kumoh/27297
- DOI
- 10.1016/j.jhazmat.2008.07.052
- ISSN
- 0304-3894
1873-3336
- Abstract
- The sorption characteristics of arsenic(As(V)) on iron-coated zeolite (ICZ) were investigated through batch and column studies. As(V) was completely removed within 30 min in a concentration of 2 mg/l, with a 100 g/l dose of ICZ. Optimum dose of ICZ was 33.3 g/l at a concentration of 20.12 mg/l and the effect of solution pH was negligible at a pH range of 3.0 < pH < 10.0. Langmuir Isotherm Model was suitable to explain the sorption characteristics of As(V) onto ICZ. The co-presence of sulfate ions inhibited sorption of As(V) because of competitive adsorption. The adsorption capacity of ICZ for As(V) was 0.68 mg/g. Based on the result, ICZ is a suitable material to treat the mine drainage or wastewater bearing As(V). (C) 2008 Elsevier B.V. All rights reserved.
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