K. Palanisamy, K. Sanjiv Raj, M. Nirmala Devi, V.K. Subramanian
{"title":"EGTA和金属诱导碳酸钙垢对铜和铝的多态性选择性的影响","authors":"K. Palanisamy, K. Sanjiv Raj, M. Nirmala Devi, V.K. Subramanian","doi":"10.1016/j.md.2016.09.001","DOIUrl":null,"url":null,"abstract":"<div><p><span>Crystallization behavior and polymorphism of calcium carbonate scale deposited from its sludge on aluminum and copper substrates in the presence of ethylene glycol-O,Oʼ-bis(2-aminoethyl)-</span><em>N</em>,<em>N</em>,<em>N</em>ʼ,<em>N</em>ʼ-tetraacetic acid (EGTA) as a chelating agent/scale inhibitor was investigated. The experiments were carried out at 60 and 100<!--> <span>°C and the samples were characterized by XRD, FTIR and SEM techniques. The data revealed that at 100</span> <span>°C only calcite was found in the presence of copper, whereas with aluminum a ternary mixture containing calcite, aragonite and vaterite resulted. The data revealed that the polymorphic composition of CaCO</span><sub>3</sub> was influenced by metal present in the system.</p></div>","PeriodicalId":100888,"journal":{"name":"Materials Discovery","volume":"4 ","pages":"Pages 8-17"},"PeriodicalIF":0.0000,"publicationDate":"2016-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.md.2016.09.001","citationCount":"5","resultStr":"{\"title\":\"Effect of EGTA and metal induced polymorphic selectivity of calcium carbonate scale on copper and aluminum\",\"authors\":\"K. Palanisamy, K. Sanjiv Raj, M. Nirmala Devi, V.K. Subramanian\",\"doi\":\"10.1016/j.md.2016.09.001\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p><span>Crystallization behavior and polymorphism of calcium carbonate scale deposited from its sludge on aluminum and copper substrates in the presence of ethylene glycol-O,Oʼ-bis(2-aminoethyl)-</span><em>N</em>,<em>N</em>,<em>N</em>ʼ,<em>N</em>ʼ-tetraacetic acid (EGTA) as a chelating agent/scale inhibitor was investigated. The experiments were carried out at 60 and 100<!--> <span>°C and the samples were characterized by XRD, FTIR and SEM techniques. The data revealed that at 100</span> <span>°C only calcite was found in the presence of copper, whereas with aluminum a ternary mixture containing calcite, aragonite and vaterite resulted. The data revealed that the polymorphic composition of CaCO</span><sub>3</sub> was influenced by metal present in the system.</p></div>\",\"PeriodicalId\":100888,\"journal\":{\"name\":\"Materials Discovery\",\"volume\":\"4 \",\"pages\":\"Pages 8-17\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2016-06-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/j.md.2016.09.001\",\"citationCount\":\"5\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Materials Discovery\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S2352924516300230\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Materials Discovery","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2352924516300230","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Effect of EGTA and metal induced polymorphic selectivity of calcium carbonate scale on copper and aluminum
Crystallization behavior and polymorphism of calcium carbonate scale deposited from its sludge on aluminum and copper substrates in the presence of ethylene glycol-O,Oʼ-bis(2-aminoethyl)-N,N,Nʼ,Nʼ-tetraacetic acid (EGTA) as a chelating agent/scale inhibitor was investigated. The experiments were carried out at 60 and 100 °C and the samples were characterized by XRD, FTIR and SEM techniques. The data revealed that at 100°C only calcite was found in the presence of copper, whereas with aluminum a ternary mixture containing calcite, aragonite and vaterite resulted. The data revealed that the polymorphic composition of CaCO3 was influenced by metal present in the system.
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