Experimental Investigation of Solar-Driven Hollow Fiber Membrane Liquid Dehumidification System

Cai-Hang Liang; Jia-Li Hu; Nan-Feng Li; Zhi-Peng He; Chou Mo; Si Zeng

doi:10.3390/membranes13040383

Membranes (Mar 2023)

Experimental Investigation of Solar-Driven Hollow Fiber Membrane Liquid Dehumidification System

Cai-Hang Liang,
Jia-Li Hu,
Nan-Feng Li,
Zhi-Peng He,
Chou Mo,
Si Zeng

Affiliations

Cai-Hang Liang: Key Laboratory of Microelectronic Packaging and Assembly Technology of Guangxi Department of Education, School of Mechanical and Electrical Engineering, Guilin University of Electronic Technology, Guilin 541004, China
Jia-Li Hu: Key Laboratory of Microelectronic Packaging and Assembly Technology of Guangxi Department of Education, School of Mechanical and Electrical Engineering, Guilin University of Electronic Technology, Guilin 541004, China
Nan-Feng Li: Key Laboratory of Microelectronic Packaging and Assembly Technology of Guangxi Department of Education, School of Mechanical and Electrical Engineering, Guilin University of Electronic Technology, Guilin 541004, China
Zhi-Peng He: Key Laboratory of Microelectronic Packaging and Assembly Technology of Guangxi Department of Education, School of Mechanical and Electrical Engineering, Guilin University of Electronic Technology, Guilin 541004, China
Chou Mo: Key Laboratory of Microelectronic Packaging and Assembly Technology of Guangxi Department of Education, School of Mechanical and Electrical Engineering, Guilin University of Electronic Technology, Guilin 541004, China
Si Zeng: Key Laboratory of Microelectronic Packaging and Assembly Technology of Guangxi Department of Education, School of Mechanical and Electrical Engineering, Guilin University of Electronic Technology, Guilin 541004, China

DOI: https://doi.org/10.3390/membranes13040383
Journal volume & issue: Vol. 13, no. 4
p. 383

Abstract

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The hollow fiber membrane modules act as dehumidifiers and regenerators to avoid gas–liquid entrainment problems in direct-contact dehumidification systems. A solar-driven hollow fiber membrane dehumidification experimental rig was designed to investigate its performance from July to September in Guilin, China. The dehumidification, regeneration, and cooling performance of the system between 8:30 and 17:30 are analyzed. The energy utilization of the solar collector and system is investigated. The results show that solar radiation has a significant influence on the system. The hourly regeneration of the system has the same trend as the temperature of solar hot water, which ranges from 0.13 g/s to 0.36 g/s. The regeneration capacity of the dehumidification system is always larger than the dehumidification capacity after 10:30, which increases the solution concentration and the dehumidification performance. Further, it ensures stable system operation when the solar radiation is lower (15:30–17:50). In addition, the hourly dehumidification capacity and efficiency of the system ranges from 0.15 g/s to 0.23 g/s and 52.4 to 71.3%, respectively, with good dehumidification performance. The COP of the system and solar collector have the same trend, in which their maximum values are 0.874 and 0.634, respectively, with high energy utilization efficiency. The solar-driven hollow fiber membrane liquid dehumidification system performs better in regions with larger solar radiation.

Published in Membranes

ISSN: 2077-0375 (Online)
Publisher: MDPI AG
Country of publisher: Switzerland
LCC subjects: Technology: Chemical technology: Chemical engineering
Website: https://www.mdpi.com/journal/membranes

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