Arsenate removal from water by Ti electrocoagulation: Main influencing factors, response surface optimization, and potential mechanisms

Arsenate removal from water by Ti electrocoagulation: Main influencing factors, response surface optimization, and potential mechanisms

This paper detailedly investigated the efficacy and mechanism of As(V) removal by Ti electrocoagulation (Ti EC) using batch test. The Box-Behnken design method with 3 factor 3 level was used to optimize main process parameters (electrode distance, current density, and initial pH). The obtained optim...

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Veröffentlicht in:Journal of water process engineering 2023-08, Vol.54, p.104042, Article 104042
Hauptverfasser: Li, Jie, Cao, Yumin, Lu, Jianbo, Qin, Changcai, Zhang, Wei, Zhang, Xintong, Yi, Xuesong, Yu, Wenzheng
Format: Artikel
Sprache:eng
Schlagworte:
Arsenic removal
Box-Behnken design
Electrocoagulation
Ti anode
Water treatment
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Zusammenfassung:This paper detailedly investigated the efficacy and mechanism of As(V) removal by Ti electrocoagulation (Ti EC) using batch test. The Box-Behnken design method with 3 factor 3 level was used to optimize main process parameters (electrode distance, current density, and initial pH). The obtained optimal parameters for the maximum arsenic removal at 30 min were as follows: electrode distance of 9.2 mm, current density of 15.5 A/m2, and initial pH of 6.5. Initial pH had a significant impact on the arsenic removal (P 
ISSN:2214-7144
2214-7144
DOI:10.1016/j.jwpe.2023.104042