{"title":"磷石膏转化生产硝酸钙和稀土精矿","authors":"S. V. Vlasjan, N. D. Voloshin, A. Shestozub","doi":"10.5755/j01.ct.64.2.6024","DOIUrl":null,"url":null,"abstract":"Experimental researches of the dissolution of c alcium carbonate obtained as a result of phosphogypsum conversion by ammonium or sodium carbonate and nitric acid with obtaining a concentrate of rare-earth elements and other liquid products have been performed. The structure of phosphochalk and the outlet half-product is presented. The substantiation of recycling expediency of phosphogypsum waste – phosphoric acid and phosphoric fertilizers has been carried out. DOI: http://dx.doi.org/10.5755/j01.ct.64.2.6024","PeriodicalId":22505,"journal":{"name":"the Chemical Technology","volume":"33 1","pages":"58-62"},"PeriodicalIF":0.0000,"publicationDate":"2014-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"7","resultStr":"{\"title\":\"PRODUCING CALCIUM NITRATE AND RARE-EARTH ELEMENT CONCENTRATES BY PHOSPHOGYPSUM CONVERSION\",\"authors\":\"S. V. Vlasjan, N. D. Voloshin, A. Shestozub\",\"doi\":\"10.5755/j01.ct.64.2.6024\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Experimental researches of the dissolution of c alcium carbonate obtained as a result of phosphogypsum conversion by ammonium or sodium carbonate and nitric acid with obtaining a concentrate of rare-earth elements and other liquid products have been performed. The structure of phosphochalk and the outlet half-product is presented. The substantiation of recycling expediency of phosphogypsum waste – phosphoric acid and phosphoric fertilizers has been carried out. DOI: http://dx.doi.org/10.5755/j01.ct.64.2.6024\",\"PeriodicalId\":22505,\"journal\":{\"name\":\"the Chemical Technology\",\"volume\":\"33 1\",\"pages\":\"58-62\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2014-02-05\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"7\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"the Chemical Technology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.5755/j01.ct.64.2.6024\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"the Chemical Technology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.5755/j01.ct.64.2.6024","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
PRODUCING CALCIUM NITRATE AND RARE-EARTH ELEMENT CONCENTRATES BY PHOSPHOGYPSUM CONVERSION
Experimental researches of the dissolution of c alcium carbonate obtained as a result of phosphogypsum conversion by ammonium or sodium carbonate and nitric acid with obtaining a concentrate of rare-earth elements and other liquid products have been performed. The structure of phosphochalk and the outlet half-product is presented. The substantiation of recycling expediency of phosphogypsum waste – phosphoric acid and phosphoric fertilizers has been carried out. DOI: http://dx.doi.org/10.5755/j01.ct.64.2.6024
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