Bipolar membrane electrodialysis for generation of hydrochloric acid and ammonia from simulated ammonium chloride wastewater
Li, Ya1,3; Shi, Shaoyuan1,2; Cao, Hongbin1,2; Wu, Xinmin3; Zhao, Zhijuan1,2; Wang, Liying4
2016-02-01
发表期刊WATER RESEARCH
ISSN0043-1354
卷号89期号:FEB页码:201-209
摘要Simulated ammonium chloride wastewater was treated by a lab-scale bipolar membrane electrodialysis for the generation of HCl and NH3 center dot H2O and desalination. The influence of initial concentration of NH4Cl, current density, salt solution volume, initial concentration of acid and base and membrane stack structure on the yields of HCI and NH3"H20 was investigated. The current efficiency and energy consumption were also examined under different conditions. The results showed that, at the current density of 48 mA/cm(2), the highest concentration of HCI and NH3 center dot H2O with initial concentration of 110 g/L NH4Cl was 57.67 g/L and 45.85 g/L, respectively. Higher initial concentration of NH4Cl was favor to reduce unit energy consumption and increase current efficiency of the BMED system. The membrane stack voltage of BMED increased quickly under constant current when the concentration of NH4Cl contained in the solution of salt compartment was depleted below the "inflection point concentration" about 8000 mg/L. It means that the concentration of NH4Cl below 8000 mg/L was no longer suitable for BMED because of higher energy consumption. The HCI and NH3 center dot H2O concentration increased more quickly following the increase of current density. When increasing the volume of NH4Cl, the concentration of HCI and NH3-H2O also increased. The high initial concentration of acid and base could improve the final concentration of them, while the growth rate was decreased. Compared with the BMED system with three compartments, the growth rate of HCl concentration with the two compartments was higher and its unit energy consumption was lower. It meant that the performance of the BMED system could be improved by optimizing operation conditions. The application feasibility of the generation of HCI and NH3 center dot H2O and desalination of ammonium chloride wastewater by BMED was proved. (C) 2015 Elsevier Ltd. All rights reserved.
关键词Ammonium Chloride Wastewater Bipolar Membrane Electrodialysis Influence Factors
文章类型Article
WOS标题词Science & Technology ; Technology ; Life Sciences & Biomedicine ; Physical Sciences
DOI10.1016/j.watres.2015.11.038
收录类别SCI
语种英语
关键词[WOS]REVERSE-OSMOSIS ; DESALINATION ; DISSOCIATION ; BASE
WOS研究方向Engineering ; Environmental Sciences & Ecology ; Water Resources
WOS类目Engineering, Environmental ; Environmental Sciences ; Water Resources
项目资助者National Natural Science Foundation of China(21076214) ; Beijing Natural Science Foundation(8132047) ; National Water Pollution Control And Management Technology Major Projects(2014ZX07201-011-003)
WOS记录号WOS:000368951000020
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/20599
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Chinese Acad Sci, Beijing Engn Res Ctr Proc Pollut Control, Natl Engn Lab Hydromet Cleaner Prod Technol, Key Lab Green Proc & Engn,Inst Proc Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Beijing Inst Petrochem Technol, Coll Chem Engn, Beijing 102617, Peoples R China
4.Anshan Iron & Steel Grp Corp, Anshan 114021, Liaoning, Peoples R China
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Li, Ya,Shi, Shaoyuan,Cao, Hongbin,et al. Bipolar membrane electrodialysis for generation of hydrochloric acid and ammonia from simulated ammonium chloride wastewater[J]. WATER RESEARCH,2016,89(FEB):201-209.
APA Li, Ya,Shi, Shaoyuan,Cao, Hongbin,Wu, Xinmin,Zhao, Zhijuan,&Wang, Liying.(2016).Bipolar membrane electrodialysis for generation of hydrochloric acid and ammonia from simulated ammonium chloride wastewater.WATER RESEARCH,89(FEB),201-209.
MLA Li, Ya,et al."Bipolar membrane electrodialysis for generation of hydrochloric acid and ammonia from simulated ammonium chloride wastewater".WATER RESEARCH 89.FEB(2016):201-209.
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