Journal
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 57, Issue -, Pages 254-262Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2017.08.031
Keywords
Aluminum-air fuel cell electrocoagulation; Supporting electrolyte; Initial pH; Arsenate removal; Power generation
Funding
- Mid-Career Researcher Program of the National Research Foundation of Korea (NRF) - Ministry of Science, ICT, and Future Planning [NRF-2016R1A2B4009344]
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Aluminum-air fuel cell electrocoagulation was evaluated for arsenate removal during power production. Effects of operational parameters (type and concentration of individual and mixed supporting electrolytes and initial pH) were investigated. 1 mgL(-1) arsenate in 1 L of anolyte (with 10 mM NaCl) was reduced to 1 mu gL(-1) in 4h, power density produced was 112mW/m(2). 8 mM Na2SO4 mixed with 10 mM NaCl created optimal conditions as mixed supporting electrolyte. Power density increased to 308 mW/m(2) and arsenate was reduced to 15 mu g L-1 after 24 h. This indicates aluminum-air fuel cell electrocoagulation is useful treatment process. (c) 2017 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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