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염화철(III)로 표면개질 활성탄을 이용한 비소제거

Title
염화철(III)로 표면개질 활성탄을 이용한 비소제거
Author
박주양
Keywords
비소; 활성탄; 표면개질; 흡착; 염화철; 염화철iii; Arsenic; Granular activated carbon; Surface modification; Adsorption; Ferric chloride
Issue Date
2012-02
Publisher
대한상하수도학회
Citation
상하수도학회지, 2012, 26(1), P.77-85
Abstract
The present study investigates treatment methods for removal of arsenic from wastewater. The granular activated carbon (GAC) with the coating of iron chloride (FeCl3) was used for the treatment of a low concentration of arsenic from wastewater. Batch experiments were performed to investigate the synthesis of Fe-GAC (Iron coated granular activated carbon), effects of pH, adsorption kinetics and the Langmuir model. The synthesized Fe-GAC with 0.1 M FeCl3 shows best removal efficiency. Adsorption studies were carried out in the optimum pH range of 4-6 for arsenic removal. The Fe-GAC showed promising results by removing 99.4% of arsenic. In the adsorption isotherm studies, the observed data fitted well with the Langmuir models, In continuous column study showed that As (V) could be removed to below 0.25 mg/L within 1,020 pore volume, Our results suggest that the surface modified granular activated carbon treated with FeCl3 for effective removal of arsenic from wastewater.
URI
http://kiss.kstudy.com/thesis/thesis-view.asp?key=3077311http://hdl.handle.net/20.500.11754/67388
ISSN
1225-7672
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > CIVIL AND ENVIRONMENTAL ENGINEERING(건설환경공학과) > Articles
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