{"title":"Fluidization in combined acoustic-magnetic field for mixtures of ultrafine particles","authors":"Huie Liu, Qingjie Guo","doi":"10.1016/j.cpart.2007.01.007","DOIUrl":null,"url":null,"abstract":"<div><p>Four kinds of SiO<sub>2</sub> (5–10<!--> <!-->nm)<!--> <!-->+<!--> <!-->Fe<sub>3</sub>O<sub>4</sub> (44.8<!--> <!-->μm) particle were fluidized in a sole acoustic field, a sole magnetic field and a combined acoustic-magnetic field. Introduction of a single field, 100<!--> <!-->dB/40–60<!--> <!-->Hz acoustic or 10<!--> <!-->mT magnetic, could suppress plugging and channeling and reduce the superficial minimum fluidization gas velocities, <em>U</em><sub>mf</sub>. Combination of both acoustic and magnetic fields demonstrated even more promising results, especially more significant reduction of <em>U</em><sub>mf</sub>.</p></div>","PeriodicalId":100239,"journal":{"name":"China Particuology","volume":"5 1","pages":"Pages 111-115"},"PeriodicalIF":0.0000,"publicationDate":"2007-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.cpart.2007.01.007","citationCount":"10","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"China Particuology","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1672251507000152","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 10
Abstract
Four kinds of SiO2 (5–10 nm) + Fe3O4 (44.8 μm) particle were fluidized in a sole acoustic field, a sole magnetic field and a combined acoustic-magnetic field. Introduction of a single field, 100 dB/40–60 Hz acoustic or 10 mT magnetic, could suppress plugging and channeling and reduce the superficial minimum fluidization gas velocities, Umf. Combination of both acoustic and magnetic fields demonstrated even more promising results, especially more significant reduction of Umf.
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