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http://dx.doi.org/10.3795/KSME-A.2008.32.8.617

Development of Membrane Filters with Nanostructured Porous Layer by Coating of Metal Nanoparticles Sintered onto a Micro-Filter  

Lee, Dong-Geun (충남대학교 대학원 기계공학과)
Park, Seok-Joo (한국에너지기술연구원 청정석탄연구센터)
Park, Young-Ok (한국에너지기술연구원 청정석탄연구센터)
Ryu, Jeong-In (충남대학교 기계공학과)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.32, no.8, 2008 , pp. 617-623 More about this Journal
Abstract
The membrane filter adhered with nanostructured porous layer was made by heat treatment after deposition of nanoparticle-agglomerates sintered in aerosol phase onto a conventional micron-fibrous metal filter as a substrate filter. The Sintered-Nanoparticle-Agglomerates-coated NanoStructured porous layer Membrane Filter (SNA-NSMF), whose the filtration performance was improved compared with the conventional metal membrane filters, was developed by adhesion of nanoparticle-agglomerates of dendrite structure sintered onto the micron-fibrous metal filter. The size of nanoparticle-agglomerates of dendrite structure decreased with increasing the sintering temperature because nanoparticle-agglomerates shrank. When shrinking nanoparticle-agglomerates were deposited and treated with heat onto the conventional micron-fibrous metal filter, pore size of nanostructured porous layer decreased. Therefore, pressure drops of SNA-NSMFs increased from 0.3 to 0.516 kPa and filtration efficiencies remarkably increased from 95.612 to 99.9993%.
Keywords
Laser Ablation; Infrared Furnace; Pressure Drop; Penetration; Filter Quality;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
Times Cited By SCOPUS : 2
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