EXPERIMENTAL STUDY OF THE TRAPPING PROPERTIES OF SiC MEMBRANE TUBE FOR PM2. 5

Wang Jun; Zou Shushu; Tian Mengkui; Tao Wenliang

doi:10.13205/j.hjgc.201506018

Volume 33 Issue 6

Sep. 2015

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Wang Jun, Zou Shushu, Tian Mengkui, Tao Wenliang. EXPERIMENTAL STUDY OF THE TRAPPING PROPERTIES OF SiC MEMBRANE TUBE FOR PM2. 5[J]. ENVIRONMENTAL ENGINEERING , 2015, 33(6): 80-83. doi: 10.13205/j.hjgc.201506018

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Wang Jun, Zou Shushu, Tian Mengkui, Tao Wenliang. EXPERIMENTAL STUDY OF THE TRAPPING PROPERTIES OF SiC MEMBRANE TUBE FOR PM2. 5[J]. ENVIRONMENTAL ENGINEERING , 2015, 33(6): 80-83. doi: 10.13205/j.hjgc.201506018

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EXPERIMENTAL STUDY OF THE TRAPPING PROPERTIES OF SiC MEMBRANE TUBE FOR PM2. 5

doi: 10.13205/j.hjgc.201506018

Publish Date: 2015-06-22

Abstract

Abstract

The treatment for PM2. 5 has been paid more and more attention all around the world for its characteristics，such as small size，strong adsorption ability，long transportation range，great effect on atmosphere and difficulties in trapping ． With silicon carbide ceramic membrane tube coated with alumina ( porosity: 28. 16%，the average pore diameter: 20 μm，filter area: 0. 28 m2 ) as filter element，an experimental device was set up for trapping PM2. 5 ． The relationship between the filter time，flux and pressure drop，collection efficiency，cleaning pressure and cleaning time were studied． The results showed that the flux reduced gradually，the pressure drop and the collection efficiency increased with the filter time，and the collection efficiency for PM2. 5 was up to 99. 9%． The optimization parameters for membrane fouling control were the cleaning pressure 0. 8 MPa，the cleaning interval 10 min and the cleaning time 14 s，respectively．

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