{"title":"混合ZnO和SiO2纳米颗粒在磁场辅助流化中的行为","authors":"Ping Zeng , Tao Zhou , Guanqun Chen , Qingshan Zhu","doi":"10.1016/j.cpart.2007.01.008","DOIUrl":null,"url":null,"abstract":"<div><p>The fluidization behavior of ZnO nano-particles in magnetic fluidized bed (MFB) by adding coarse magnetic particles was investigated, followed by the co-fluidization of mixtures of ZnO and SiO<sub>2</sub> nano-particles. For such co-fluidization, bed expansion was found to change smoothly with gas velocity through a range of stable operation. By measuring the bed expansion ratio and pressure drop, a stability diagram for the mixture in MFB was obtained. Within this stable operation range, with increasing gas velocity the pressure drop hardly changes as the bed expands, up to an expansion ratio of more than 4.</p></div>","PeriodicalId":100239,"journal":{"name":"China Particuology","volume":"5 1","pages":"Pages 169-173"},"PeriodicalIF":0.0000,"publicationDate":"2007-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.cpart.2007.01.008","citationCount":"22","resultStr":"{\"title\":\"Behavior of mixed ZnO and SiO2 nano-particles in magnetic field assisted fluidization\",\"authors\":\"Ping Zeng , Tao Zhou , Guanqun Chen , Qingshan Zhu\",\"doi\":\"10.1016/j.cpart.2007.01.008\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>The fluidization behavior of ZnO nano-particles in magnetic fluidized bed (MFB) by adding coarse magnetic particles was investigated, followed by the co-fluidization of mixtures of ZnO and SiO<sub>2</sub> nano-particles. For such co-fluidization, bed expansion was found to change smoothly with gas velocity through a range of stable operation. By measuring the bed expansion ratio and pressure drop, a stability diagram for the mixture in MFB was obtained. Within this stable operation range, with increasing gas velocity the pressure drop hardly changes as the bed expands, up to an expansion ratio of more than 4.</p></div>\",\"PeriodicalId\":100239,\"journal\":{\"name\":\"China Particuology\",\"volume\":\"5 1\",\"pages\":\"Pages 169-173\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2007-02-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/j.cpart.2007.01.008\",\"citationCount\":\"22\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"China Particuology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S1672251507000164\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"China Particuology","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1672251507000164","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Behavior of mixed ZnO and SiO2 nano-particles in magnetic field assisted fluidization
The fluidization behavior of ZnO nano-particles in magnetic fluidized bed (MFB) by adding coarse magnetic particles was investigated, followed by the co-fluidization of mixtures of ZnO and SiO2 nano-particles. For such co-fluidization, bed expansion was found to change smoothly with gas velocity through a range of stable operation. By measuring the bed expansion ratio and pressure drop, a stability diagram for the mixture in MFB was obtained. Within this stable operation range, with increasing gas velocity the pressure drop hardly changes as the bed expands, up to an expansion ratio of more than 4.
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