EXPERIMENTAL STUDY ON OPERATING CHARACTERISTICS OF MEMBRANE DISTILLATION ENHANCED BASIN SOLAR STILL

Zuo Lu; Xiao Chenkai; Yan Ziyang; Guo Zinan; Huang Long

doi:10.19912/j.0254-0096.tynxb.2024-0317

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (7) : 727-732. DOI: 10.19912/j.0254-0096.tynxb.2024-0317

Special Topics of Academic Papers at the 105th Annual Meeting of the China Association for Science and Technology

EXPERIMENTAL STUDY ON OPERATING CHARACTERISTICS OF MEMBRANE DISTILLATION ENHANCED BASIN SOLAR STILL

Zuo Lu¹, Xiao Chenkai², Yan Ziyang³, Guo Zinan¹, Huang Long¹

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Abstract

To improve the freshwater yield of the basin solar still, a novel solar still enhanced by membrane distillation was proposed by installing an air-gap membrane module vertically inside the solar still, and its technical feasibility was experimental verified. Tests have shown that it is feasible to install membrane modules vertically to increase water production in the solar still. The hourly water production per unit area of membrane distillation is at least 3.7 times that of the basin distillation, and the addition of the membrane module can increase the water production during the periods of low productivity, and realize continuous water production day and night. The total daily water production of the membrane distillation enhanced basin solar still for one day of operation was 1,528 g and the actual efficiency was 21.5%, which was 11.6% and 11.4% higher than that of the conventional solar still obtained from the simultaneous tests, respectively.

Key words

solar energy / desalination / distillation / air-gap membrane module / hydrophobic membrane

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Zuo Lu, Xiao Chenkai, Yan Ziyang, Guo Zinan, Huang Long. EXPERIMENTAL STUDY ON OPERATING CHARACTERISTICS OF MEMBRANE DISTILLATION ENHANCED BASIN SOLAR STILL[J]. Acta Energiae Solaris Sinica. 2025, 46(7): 727-732 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0317

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