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dc.contributor.authorLin, Guan-Yuen_US
dc.contributor.authorLe-Thi Cucen_US
dc.contributor.authorLu, Weien_US
dc.contributor.authorTsai, Chuen-Jinnen_US
dc.contributor.authorChein, Hung-Minen_US
dc.contributor.authorChang, Fang-Tangen_US
dc.date.accessioned2014-12-08T15:31:01Z-
dc.date.available2014-12-08T15:31:01Z-
dc.date.issued2013-08-09en_US
dc.identifier.issn1383-5866en_US
dc.identifier.urihttp://dx.doi.org/10.1016/j.seppur.2013.04.039en_US
dc.identifier.urihttp://hdl.handle.net/11536/22118-
dc.description.abstractThis study designed and tested a wet electrocyclone with high efficiency for long-term operation. The inner diameter of the collection electrode is 25 cm, and the discharge electrodes consist of seven circular discs with zigzag-shaped edges for particle charging and removal. The tip of the circular saw-type discs is 20 pin in diameter and the tip to the inner wall (collection electrode) spacing is 4 cm. Cleaning water near the inter wall was used to keep the collection electrodes clean. Experimental results showed that the collection efficiency of the present wet electrocyclone decreased with an increasing air flow rate. The efficiency for oleic acid (OA) particles was reduced only slightly from 78-92% to 75-90% for particles from 22.1 to 805 nm in electrical mobility diameter (d(p)) after 6 h of micro-Al2O3 loading test. In the field test, the collection efficiencies of the present wet electrocyclone for submicron SiO2 particles with mass concentration of 20-50 mg/m(3) were also found to keep higher than 93% for continuous 14-day operation. A modified Deutsch-Anderson model was developed to predict the charged particle collection efficiency (eta(elec,p), %) of nanoparticle as well as larger particles. The present model is eta(elec,p) (%) = 1 - exp{-[A(N-De(B)) + C(N-De) + D]} x 100%, where A, B, C and D are regression coefficients, and N-De is the modified Deutsch number. Good agreement was obtained between the present predictions and experimental data. (C) 2013 Elsevier B.V. All rights reserved.en_US
dc.language.isoen_USen_US
dc.subjectDeutsch-Anderson equationen_US
dc.subjectParticle controlen_US
dc.subjectNanoparticlesen_US
dc.subjectWet electrocycloneen_US
dc.titleHigh-efficiency wet electrocyclone for removing fine and nanosized particlesen_US
dc.typeArticleen_US
dc.identifier.doi10.1016/j.seppur.2013.04.039en_US
dc.identifier.journalSEPARATION AND PURIFICATION TECHNOLOGYen_US
dc.citation.volume114en_US
dc.citation.issueen_US
dc.citation.spage99en_US
dc.citation.epage107en_US
dc.contributor.department環境工程研究所zh_TW
dc.contributor.departmentInstitute of Environmental Engineeringen_US
dc.identifier.wosnumberWOS:000321166700013-
dc.citation.woscount4-
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