Study on a real-time control strategy to Cr(VI) removal with fluctuation of influent in fe-electrocoagulation-al-electroflotation reactor

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期刊论文

作者：

Xu, Hai-yin;Yang, Zhao-hui*;Luo, Yuan-ling;Wang, Ping*;Huang, Jing;...

通讯作者：

Wang, Ping;Yang, Zhao-hui

作者机构：

[Xu, Hai-yin; Wang, Ping] Cent South Univ Forestry & Technol, Coll Environm Sci & Engn, Changsha 410004, Hunan, Peoples R China.

[Xu, Hai-yin; Wang, Ping] Cent South Univ Forestry & Technol, Hunan Engn Lab Control Rice Qual & Safety, Changsha 410004, Hunan, Peoples R China.

[Yang, Zhao-hui; Song, Pei-pei] Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China.

[Luo, Yuan-ling] Changsha Environm Protect Coll, Changsha 410004, Hunan, Peoples R China.

[Huang, Jing] Hunan Acad Forestry, Inst Biol & Environm Engn, Changsha 410004, Hunan, Peoples R China.

通讯机构：

[Wang, Ping] C

[Yang, Zhao-hui] H

Cent South Univ Forestry & Technol, Coll Environm Sci & Engn, Changsha 410004, Hunan, Peoples R China.

Cent South Univ Forestry & Technol, Hunan Engn Lab Control Rice Qual & Safety, Changsha 410004, Hunan, Peoples R China.

Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China.

语种：

英文

关键词：

Anodes;Coagulation;Flotation;Iron compounds;Process control;Real time control;Electro coagulations;Electrocoagulation;Monitoring accuracy;Real-time control strategy;Response surface methodology;Sludge production;Suspended particles;Verification results;Chromium compounds

期刊：

JOURNAL OF THE ELECTROCHEMICAL SOCIETY

ISSN：

0013-4651

年：

2018

卷：

165

期：

页码：

E366-E374

DOI：

10.1149/2.0921809jes

基金类别：

We are grateful for the financial support of National Natural Science Foundation of China (51578223), Key R&D Plan of Hunan Province (2017SK2383, 2016SK2030), Youth Scientific Research Foundation of Central South University of Forestry and Technology (2016YJ019) and Hunan Province Science Foundation for Youths (2018JJ3884).

机构署名：

本校为第一且通讯机构

院系归属：

环境科学与工程学院

摘要：

The overall goal of this study was to construct a real-time control strategy to Cr(VI) removal with fluctuation of influent using Fe-Electrocoagulation (EC)-Al-Electroflotation (EF) reactor. Firstly, we used the pH as the indirect indicators to developed mechanism models that could describe the process of Cr(VI) reduction to Cr(III). During the process of Fe-EC, if [pHm]/t≤[pHp]/t, indicating that Cr(VI) was completely removed. Model M2 was more capable of predicting the terminal time of Fe-EC process than Model M1. To improve accurate of mode...

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Study on a real-time control strategy to Cr(VI) removal with fluctuation of influent in fe-electrocoagulation-al-electroflotation reactor

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