{"title":"铝电极电混凝偶氮-2-萘酚染料:溶剂的影响及吸附动力学","authors":"V. Mkpenie, O. Abakedi","doi":"10.3923/CRC.2015.34.43","DOIUrl":null,"url":null,"abstract":"1-Phenylazo-2-naphthol (PAN) was subjected to electrocoagulation using a 0.3 A d.c electrolytic cell in various solvents including ethanol, acetone, benzene and n-hexane. The extent of decolourization of PAN in the solvents has been determined. The highest decolourization was achieved in ethanol with colour removal efficiency of 63% within the first 15 min and 79% after 120 min of electrocoagulation. The decolourization of PAN in the solvents is observed to follow the order: Ethanol>n-hexane>benzene>acetone. The electrocoagulation data has also been interpreted based on adsorption kinetic models. Electrocoagulation of PAN in all the solvents obeyed the pseudo-second order kinetic model and Elovich kinetic model.","PeriodicalId":10941,"journal":{"name":"Current Research in Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2015-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":"{\"title\":\"Electrocoagulation of Azo-2-Naphthol Dye Using Aluminium Electrodes: Effect of Solvent and Kinetics of Adsorption\",\"authors\":\"V. Mkpenie, O. Abakedi\",\"doi\":\"10.3923/CRC.2015.34.43\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"1-Phenylazo-2-naphthol (PAN) was subjected to electrocoagulation using a 0.3 A d.c electrolytic cell in various solvents including ethanol, acetone, benzene and n-hexane. The extent of decolourization of PAN in the solvents has been determined. The highest decolourization was achieved in ethanol with colour removal efficiency of 63% within the first 15 min and 79% after 120 min of electrocoagulation. The decolourization of PAN in the solvents is observed to follow the order: Ethanol>n-hexane>benzene>acetone. The electrocoagulation data has also been interpreted based on adsorption kinetic models. Electrocoagulation of PAN in all the solvents obeyed the pseudo-second order kinetic model and Elovich kinetic model.\",\"PeriodicalId\":10941,\"journal\":{\"name\":\"Current Research in Chemistry\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2015-02-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"5\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Current Research in Chemistry\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.3923/CRC.2015.34.43\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Current Research in Chemistry","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3923/CRC.2015.34.43","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Electrocoagulation of Azo-2-Naphthol Dye Using Aluminium Electrodes: Effect of Solvent and Kinetics of Adsorption
1-Phenylazo-2-naphthol (PAN) was subjected to electrocoagulation using a 0.3 A d.c electrolytic cell in various solvents including ethanol, acetone, benzene and n-hexane. The extent of decolourization of PAN in the solvents has been determined. The highest decolourization was achieved in ethanol with colour removal efficiency of 63% within the first 15 min and 79% after 120 min of electrocoagulation. The decolourization of PAN in the solvents is observed to follow the order: Ethanol>n-hexane>benzene>acetone. The electrocoagulation data has also been interpreted based on adsorption kinetic models. Electrocoagulation of PAN in all the solvents obeyed the pseudo-second order kinetic model and Elovich kinetic model.
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