{"title":"超临界二氧化碳萃取金属污染物研究","authors":"Sesik Kang, Minsu Ju, Junghoon Kim","doi":"10.4018/IJCCE.2018010104","DOIUrl":null,"url":null,"abstract":"Conventionaldecontaminationmethodsutilizewater-basedsystems,whichgeneratehighamountsof secondarywastes.Herein,theauthorsdescribeanenvironmentallybenigndecontaminationmethod usingliquidandsupercriticalCO2.TheuseofCO2asasolventaffordseffectivewastereductionby itsabilitytoberecycled,therebyleavingbehindonlythecontaminantsuponitsevaporation.Inthis study,aCO2solutionprocesswasassessedusingt-butylsalen(t-salen),dicyclohexano-18Crown6 (DC18C6), 8-hydroxyquinoline (8-HQN), perfluoro-1-octanesulfonic acid tetra-ethylammonium salt(NEt4PFOSA),andpentadecafluorooctanoicacidammoniumsalt(NEt4PFOA)toextractspiked radioactivecontaminants(Nb,Zr,Co,Sr)fromaninertsamplematrix,namelywithfilterpaper.With thestaticextractionmethod,Srwasextractedwithamaximumextractionrateof97%,andNbwas extractedwithamaximumextractionrateof75%.Additionally,theauthorswerealsoabletoextract CoandZrwithmaximumextractionratesof73%and64%,respectively. KEywoRDS Carbon Dioxide, Extraction, Microemulsion, Supercritical","PeriodicalId":132974,"journal":{"name":"Int. J. Chemoinformatics Chem. Eng.","volume":"30 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"The Extraction of Metal Contaminants Using Supercritical Carbon Dioxide\",\"authors\":\"Sesik Kang, Minsu Ju, Junghoon Kim\",\"doi\":\"10.4018/IJCCE.2018010104\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Conventionaldecontaminationmethodsutilizewater-basedsystems,whichgeneratehighamountsof secondarywastes.Herein,theauthorsdescribeanenvironmentallybenigndecontaminationmethod usingliquidandsupercriticalCO2.TheuseofCO2asasolventaffordseffectivewastereductionby itsabilitytoberecycled,therebyleavingbehindonlythecontaminantsuponitsevaporation.Inthis study,aCO2solutionprocesswasassessedusingt-butylsalen(t-salen),dicyclohexano-18Crown6 (DC18C6), 8-hydroxyquinoline (8-HQN), perfluoro-1-octanesulfonic acid tetra-ethylammonium salt(NEt4PFOSA),andpentadecafluorooctanoicacidammoniumsalt(NEt4PFOA)toextractspiked radioactivecontaminants(Nb,Zr,Co,Sr)fromaninertsamplematrix,namelywithfilterpaper.With thestaticextractionmethod,Srwasextractedwithamaximumextractionrateof97%,andNbwas extractedwithamaximumextractionrateof75%.Additionally,theauthorswerealsoabletoextract CoandZrwithmaximumextractionratesof73%and64%,respectively. KEywoRDS Carbon Dioxide, Extraction, Microemulsion, Supercritical\",\"PeriodicalId\":132974,\"journal\":{\"name\":\"Int. J. Chemoinformatics Chem. Eng.\",\"volume\":\"30 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1900-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Int. J. Chemoinformatics Chem. Eng.\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.4018/IJCCE.2018010104\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Int. J. Chemoinformatics Chem. Eng.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.4018/IJCCE.2018010104","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
The Extraction of Metal Contaminants Using Supercritical Carbon Dioxide
Conventionaldecontaminationmethodsutilizewater-basedsystems,whichgeneratehighamountsof secondarywastes.Herein,theauthorsdescribeanenvironmentallybenigndecontaminationmethod usingliquidandsupercriticalCO2.TheuseofCO2asasolventaffordseffectivewastereductionby itsabilitytoberecycled,therebyleavingbehindonlythecontaminantsuponitsevaporation.Inthis study,aCO2solutionprocesswasassessedusingt-butylsalen(t-salen),dicyclohexano-18Crown6 (DC18C6), 8-hydroxyquinoline (8-HQN), perfluoro-1-octanesulfonic acid tetra-ethylammonium salt(NEt4PFOSA),andpentadecafluorooctanoicacidammoniumsalt(NEt4PFOA)toextractspiked radioactivecontaminants(Nb,Zr,Co,Sr)fromaninertsamplematrix,namelywithfilterpaper.With thestaticextractionmethod,Srwasextractedwithamaximumextractionrateof97%,andNbwas extractedwithamaximumextractionrateof75%.Additionally,theauthorswerealsoabletoextract CoandZrwithmaximumextractionratesof73%and64%,respectively. KEywoRDS Carbon Dioxide, Extraction, Microemulsion, Supercritical