{"title":"耐锌细菌的分离及生物吸附特性研究","authors":"H. Lin, Yanan Xu, Huang Cheng, Xia Li","doi":"10.1109/ICEEE.2010.5660915","DOIUrl":null,"url":null,"abstract":"The metal uptake capacity of a bacterial strain (namely W-6) isolated from both activated sludge and heavy metals contaminated soil adjacent to an electroplating plant was investigated. Being acclimated by high metal concentration solution, the biosorption rate and zinc tolerance of W-6 were significantly improved. The optimal parameters for W-6 were pH at 6.0, temperature at 40℃, 8 hours' sorption time, 100 mg•L-1 of zinc concentration, biomass of 3 g•L-1 with 3 days' culturing, and wherein 27.63 mg•L-1's zinc removal with corresponding sorption rate of 81.68% could be reached. The absorption models matched both Langmuir and Freundlich Isotherm Adsorption Equation. This research provided the basis of applying biosorption in treating heavy metals of sewage treatment plant sludge.","PeriodicalId":6302,"journal":{"name":"2010 International Conference on E-Product E-Service and E-Entertainment","volume":"43 1","pages":"1-5"},"PeriodicalIF":0.0000,"publicationDate":"2010-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Isolation and Biosorption Characteristics of Znic Resistant Bacterium\",\"authors\":\"H. Lin, Yanan Xu, Huang Cheng, Xia Li\",\"doi\":\"10.1109/ICEEE.2010.5660915\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The metal uptake capacity of a bacterial strain (namely W-6) isolated from both activated sludge and heavy metals contaminated soil adjacent to an electroplating plant was investigated. Being acclimated by high metal concentration solution, the biosorption rate and zinc tolerance of W-6 were significantly improved. The optimal parameters for W-6 were pH at 6.0, temperature at 40℃, 8 hours' sorption time, 100 mg•L-1 of zinc concentration, biomass of 3 g•L-1 with 3 days' culturing, and wherein 27.63 mg•L-1's zinc removal with corresponding sorption rate of 81.68% could be reached. The absorption models matched both Langmuir and Freundlich Isotherm Adsorption Equation. This research provided the basis of applying biosorption in treating heavy metals of sewage treatment plant sludge.\",\"PeriodicalId\":6302,\"journal\":{\"name\":\"2010 International Conference on E-Product E-Service and E-Entertainment\",\"volume\":\"43 1\",\"pages\":\"1-5\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2010-12-10\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2010 International Conference on E-Product E-Service and E-Entertainment\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICEEE.2010.5660915\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2010 International Conference on E-Product E-Service and E-Entertainment","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICEEE.2010.5660915","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Isolation and Biosorption Characteristics of Znic Resistant Bacterium
The metal uptake capacity of a bacterial strain (namely W-6) isolated from both activated sludge and heavy metals contaminated soil adjacent to an electroplating plant was investigated. Being acclimated by high metal concentration solution, the biosorption rate and zinc tolerance of W-6 were significantly improved. The optimal parameters for W-6 were pH at 6.0, temperature at 40℃, 8 hours' sorption time, 100 mg•L-1 of zinc concentration, biomass of 3 g•L-1 with 3 days' culturing, and wherein 27.63 mg•L-1's zinc removal with corresponding sorption rate of 81.68% could be reached. The absorption models matched both Langmuir and Freundlich Isotherm Adsorption Equation. This research provided the basis of applying biosorption in treating heavy metals of sewage treatment plant sludge.
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