{"title":"K10蒙脱石化学改性酸性黄23的氧化研究","authors":"Diana-Carmen Mirila, D. Nistor","doi":"10.56958/jesi.2021.6.2.6","DOIUrl":null,"url":null,"abstract":"Catalytic ozonation of the azo dye Acid Yellow 23 was investigated in the presence of Montmorillonite K10 and its chemically modified counterpart with Cobalt and Nickel (Co-Ni-K10). The material thus obtained were characterized by BET, XRD and TGA analysis. The effects of different variables were studied, such as: catalyst dose, ozone dose, ozonation time and pH. Clay-catalysed reactions are strongly dependent on the adsorption of the reactant, which in turn should depend on acid-base, electrostatic and hydrophilic-organophilic interactions. The basicity of the clay catalyst surface is expected to favour the interactions with the acidic groups of the studied organic molecule. The interactions involved in adsorption are determined by the pKa values of each group in each organic molecule.","PeriodicalId":52936,"journal":{"name":"Journal of Engineering Sciences and Innovation","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2021-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Oxidative study of Acid Yellow 23 using K10-Montmorillonite chemically modified\",\"authors\":\"Diana-Carmen Mirila, D. Nistor\",\"doi\":\"10.56958/jesi.2021.6.2.6\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Catalytic ozonation of the azo dye Acid Yellow 23 was investigated in the presence of Montmorillonite K10 and its chemically modified counterpart with Cobalt and Nickel (Co-Ni-K10). The material thus obtained were characterized by BET, XRD and TGA analysis. The effects of different variables were studied, such as: catalyst dose, ozone dose, ozonation time and pH. Clay-catalysed reactions are strongly dependent on the adsorption of the reactant, which in turn should depend on acid-base, electrostatic and hydrophilic-organophilic interactions. The basicity of the clay catalyst surface is expected to favour the interactions with the acidic groups of the studied organic molecule. The interactions involved in adsorption are determined by the pKa values of each group in each organic molecule.\",\"PeriodicalId\":52936,\"journal\":{\"name\":\"Journal of Engineering Sciences and Innovation\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2021-05-17\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Engineering Sciences and Innovation\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.56958/jesi.2021.6.2.6\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Engineering Sciences and Innovation","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.56958/jesi.2021.6.2.6","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Oxidative study of Acid Yellow 23 using K10-Montmorillonite chemically modified
Catalytic ozonation of the azo dye Acid Yellow 23 was investigated in the presence of Montmorillonite K10 and its chemically modified counterpart with Cobalt and Nickel (Co-Ni-K10). The material thus obtained were characterized by BET, XRD and TGA analysis. The effects of different variables were studied, such as: catalyst dose, ozone dose, ozonation time and pH. Clay-catalysed reactions are strongly dependent on the adsorption of the reactant, which in turn should depend on acid-base, electrostatic and hydrophilic-organophilic interactions. The basicity of the clay catalyst surface is expected to favour the interactions with the acidic groups of the studied organic molecule. The interactions involved in adsorption are determined by the pKa values of each group in each organic molecule.
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