Ionic liquid redox flow desalination of seawater

被引：6

作者：

Xiao, Yidong ^{[1
,2
]}

Chen, Hedong ^{[1
]}

Li, Minzhang ^{[1
]}

He, Qinyu ^{[2
]}

Oo, Than Zaw ^{[3
]}

Zaw, Mono ^{[3
]}

Lwin, Nyein Wink ^{[3
]}

Hui, Kwun Nam ^{[4
]}

Luo, Min ^{[5
]}

Tang, Danling ^{[6
]}

Ying, Guangguo ^{[7
,8
]}

Chen, Fuming ^{[1
]}

机构：

[1] South China Normal Univ, Sch Elect & Informat Engn, Foshan 528225, Peoples R China

[2] South China Normal Univ, Guangdong Prov Key Lab Quantum Engn & Quantum Mat, Guangzhou 510006, Peoples R China

[3] Univ Mandalay, Dept Phys, Mat Sci Res Lab, Mandalay 100103, Myanmar

[4] Univ Macau, Inst Appl Phys & Mat Engn, Joint Key Lab, Minist Educ, Ave Univ, Macau, Peoples R China

[5] Ningxia Univ, Sch Chem & Chem Engn, State Key Lab High efficiency Utilizat Coal & Gree, Yinchuan 750021, Ningxia, Peoples R China

[6] China Southern Marine Sci & Engn Guangdong Lab Gua, Guangzhou 511458, Peoples R China

[7] South China Normal Univ, Environm Res Inst, Sch Environm, Guangdong Prov Key Lab Chem Pollut & Environm Safe, Guangzhou 510006, Guangdong, Peoples R China

[8] South China Normal Univ, MOE Key Lab Theoret Chem Environm, Guangzhou 510006, Guangdong, Peoples R China

来源：

DESALINATION | 2024年 / 574卷

关键词：

Flow-electrode capacitive deionization; Seawater desalination; Ionic liquid; Electrochemical desalination; Energy consumption; MEMBRANE CAPACITIVE DEIONIZATION; WATER DESALINATION; ENERGY-CONSUMPTION; PERFORMANCE; ELECTRODE; FUTURE; TECHNOLOGY; BATTERY; COUPLES; SALT;

D O I：

10.1016/j.desal.2023.117284

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The solubility feature of redox electrolyte is a key factor to influence the performance of salt removal in redox flow electrode capacitive deionization. Herein, a novel redox flow desalination using ionic liquid (IL) as the ecofriendly solvent is proposed, i.e., 1-ethyl-3-methylimidazolium acetate. The high salt removal rate of 4.82 mu g center dot min(-1)center dot cm(-2) was obtained at the current density of 11 mA center dot cm(-2). The low energy consumption of 254.12 kJ center dot mol(-1) was achievable in IL, compared with 466.3 kJ center dot mol(-1) in aqueous solution and 317.86 kJ center dot mol(-1) ethanol. In addition, a long-term test with 11 cycles was conducted, and the real seawater was desalinated to a freshwater standard in batch mode. This work is significant for development of low-energy consumption in redox flow desalination via the usage of novel ionic liquids as solvent.

引用

页数：9

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