Remediation of arsenic contaminated groundwater by electrocoagulation: Process optimization using response surface methodology

Laxmi Das,Manpreet S Bhatti,Vishakha Gilhotra,Sudipta Sarkar,Absar Ahmad Kazmi

Minerals Engineering（2022）

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摘要

•Arsenic removal efficiency (ARE) was studied using two level full factorial design.•Three factors (As3+, As5+ and treatment time) helped in modeling of arsenic removal efficiency.•The effect of each variable was studied over ARE using response surface methodology (RSM).•Arsenic removal was observed using SEM images of sludge, and X-ray diffraction studies.

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关键词

Electrocoagulation,Arsenite,Arsenate,Central composite design (CCD),Response surface methodology (RSM),Spectrophotometric testing of arsenic

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