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Open AccessArticle

Experimental Study on Water Recovery from Flue Gas Using Macroporous Ceramic Membrane

School of Energy, Power and Mechanical Engineering, North China Electric Power University, Beijing 102206, China
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Materials 2020, 13(3), 804; https://doi.org/10.3390/ma13030804
Received: 18 December 2019 / Revised: 30 January 2020 / Accepted: 6 February 2020 / Published: 10 February 2020
(This article belongs to the Section Energy Materials)
In this work, a ceramic membrane tube with a pore size of 1 μm was used to conduct experimental research on moisture and waste heat recovery from flue gas. The length, inner/outer diameter, and porosity were 800 mm, 8/12 mm, and 27.2%, respectively. In the experiments, the flue gas, which was artificially prepared, flowed on the shell side of membrane module. The water coolant passed through the membrane counter-currently with the gas. The effects of flue gas flow rate, flue gas temperature, water coolant flux, and water coolant temperature on the membrane recovery performance were analyzed. The results indicated that, upon increasing the flue gas flow rate and its temperature, both the amount of recycled water and the recovered heat increased. The amount of recycled water, recycled water rate, recovered heat, and heat recovery rate all decreased as the water coolant temperature increased. When the water coolant temperature exceeded 30 °C, the amount of recycled water dropped sharply. The maximum amounts of recycled water, recovered heat, and total heat transfer coefficient were 2.93 kg/(m2·h), 3.63 kW/m2, and 224.3 W/(m2·K), respectively. View Full-Text
Keywords: ceramic membrane; water recovery; flue gas; heat transfer coefficient ceramic membrane; water recovery; flue gas; heat transfer coefficient
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MDPI and ACS Style

Cheng, C.; Zhang, H.; Chen, H. Experimental Study on Water Recovery from Flue Gas Using Macroporous Ceramic Membrane. Materials 2020, 13, 804.

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