RCEES OpenIR  > 环境水质学国家重点实验室
Titanium nitride nanoparticle embedded membrane for photothermal membrane distillation
Zhang, Yong; Li, Kuiling; Liu, Lie; Wang, Kunpeng; Xiang, Jun; Hou, Deyin; Wang, Jun
2020-10
Source PublicationCHEMOSPHERE
ISSN0045-6535
Volume256Pages:1-12
AbstractTo meet the increasing worldwide need for freshwater, it has become critical to exploit non-potable saline water. Solar membrane distillation (MD) is a promising desalination technique, which does not require conventional energy and can reduce the cost of water production. We developed a cost-effective and high-efficiency photothermal membrane that employs TiN nanoparticles as an absorber of sunlight and energy converter. Due to a strong photothermal effect, the solar energy efficiency significantly improved. With optimal membrane and MD operating conditions, we obtained an MD flux of 0.940 kg/m(2). h and a solar efficiency of 64.1% under 1.0 kW/m2 solar irradiation. Compared with a bare poly(vinylidene fluoride) (PVDF) membrane, 65.8% more pure water was produced. Furthermore, the temperature polarization encountered in the conventional MD process was relieved on account of the unique interfacial heating of the photothermal coating, which also contributed to the high solar efficiency. In addition, the membrane was quite stable and the permeate water was of a high, potable quality. The as prepared photothermal membrane demonstrated a good performance and application prospects for solar MD. (C) 2020 Published by Elsevier Ltd.
Department环境水质学国家重点实验室
KeywordAir gap membrane distillation Photothermal membrane Solar energy Titanium nitride Temperature polarization
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/45007
Collection环境水质学国家重点实验室
Recommended Citation
GB/T 7714
Zhang, Yong,Li, Kuiling,Liu, Lie,et al. Titanium nitride nanoparticle embedded membrane for photothermal membrane distillation[J]. CHEMOSPHERE,2020,256:1-12.
APA Zhang, Yong.,Li, Kuiling.,Liu, Lie.,Wang, Kunpeng.,Xiang, Jun.,...&Wang, Jun.(2020).Titanium nitride nanoparticle embedded membrane for photothermal membrane distillation.CHEMOSPHERE,256,1-12.
MLA Zhang, Yong,et al."Titanium nitride nanoparticle embedded membrane for photothermal membrane distillation".CHEMOSPHERE 256(2020):1-12.
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