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Electrothermally Driven Membrane Distillation for Low-Energy Consumption and Wetting Mitigation
Li, Kuiling; Zhang, Yong; Wang, Zhiyong; Liu, Lie; Liu, Hongxin; Wang, Jun
2019-11-19
Source PublicationENVIRONMENTAL SCIENCE & TECHNOLOGY
ISSN0013-936X
Volume53Issue:22Pages:13506-13513
AbstractMembrane distillation (MD) is a promising alternative approach for desalination, especially for high-salinity brines. Its application has been limited by its high operational cost because of the energy consumption required for hydraulic circulation and heating the entire circulating feed. Localized heating of the feed by Joule heating diminishes energy consumption, but the potential charging on the electrothermal material surface causes water splitting and membrane degradation in high-salinity environments. Herein, a novel reverse Joule-heating air gap MD method was designed in which an electrothermal material was placed at the air gap, isolating itself from saline water. Even though the Joule-heating layer was at the air gap side, 90.56% of heat flowed into the saline water for heating the feed. The opposite temperature gradient in the membrane matrix as opposed to conventional MD-mitigated membrane wetting was caused by capillary condensation. This novel electrothermal-driven MD configuration is worthy to be introduced into applications.
Department环境水质学国家重点实验室
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/42645
Collection环境水质学国家重点实验室
Affiliation1.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Environm Aquat Chem, 18 Shuangqing Rd, Beijing 100085, Peoples R China
2.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Natl Engn Lab Ind Wastewater Treatment, 18 Shuangqing Rd, Beijing 100085, Peoples R China
3.Univ Chinese Acad Sci, 19 Yuquan Rd, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Li, Kuiling,Zhang, Yong,Wang, Zhiyong,et al. Electrothermally Driven Membrane Distillation for Low-Energy Consumption and Wetting Mitigation[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2019,53(22):13506-13513.
APA Li, Kuiling,Zhang, Yong,Wang, Zhiyong,Liu, Lie,Liu, Hongxin,&Wang, Jun.(2019).Electrothermally Driven Membrane Distillation for Low-Energy Consumption and Wetting Mitigation.ENVIRONMENTAL SCIENCE & TECHNOLOGY,53(22),13506-13513.
MLA Li, Kuiling,et al."Electrothermally Driven Membrane Distillation for Low-Energy Consumption and Wetting Mitigation".ENVIRONMENTAL SCIENCE & TECHNOLOGY 53.22(2019):13506-13513.
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