{"title":"那岭沟铀矿床 CO2 + O2 原地浸出铀过程中的沉淀和堵塞机理研究","authors":"Ting Chen, Jinhui Liu, Yihan Yang, Jianjun Zhang, Qi Xu, Liping Zhu","doi":"10.1007/s10967-024-09693-2","DOIUrl":null,"url":null,"abstract":"<p>In this paper, PHREEQC software was used to calculate the saturation index of insoluble minerals, the pH boundary values of precipitated CaCO<sub>3</sub>, and the boundary values of Ca<sup>2+</sup> and HCO<sub>3</sub><sup>−</sup> concentrations in relation to the uranium extraction process and the chemical composition of leaching in the Nalinggou uranium deposit. Based on the comparative analysis results of the mineral composition and chemical composition of the primary rock and the blockage, the formation of the blockage containing the mineral layer is mainly related to the pH-value and the corresponding ion concentration of the leaching solution, the sediment can be effectively avoided in the boundary value range.</p>","PeriodicalId":1,"journal":{"name":"Accounts of Chemical Research","volume":null,"pages":null},"PeriodicalIF":16.4000,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Study on precipitation and plugging mechanism in CO2 + O2 in-situ leaching of uranium in Nalinggou uranium deposit\",\"authors\":\"Ting Chen, Jinhui Liu, Yihan Yang, Jianjun Zhang, Qi Xu, Liping Zhu\",\"doi\":\"10.1007/s10967-024-09693-2\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>In this paper, PHREEQC software was used to calculate the saturation index of insoluble minerals, the pH boundary values of precipitated CaCO<sub>3</sub>, and the boundary values of Ca<sup>2+</sup> and HCO<sub>3</sub><sup>−</sup> concentrations in relation to the uranium extraction process and the chemical composition of leaching in the Nalinggou uranium deposit. Based on the comparative analysis results of the mineral composition and chemical composition of the primary rock and the blockage, the formation of the blockage containing the mineral layer is mainly related to the pH-value and the corresponding ion concentration of the leaching solution, the sediment can be effectively avoided in the boundary value range.</p>\",\"PeriodicalId\":1,\"journal\":{\"name\":\"Accounts of Chemical Research\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":16.4000,\"publicationDate\":\"2024-09-19\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Accounts of Chemical Research\",\"FirstCategoryId\":\"92\",\"ListUrlMain\":\"https://doi.org/10.1007/s10967-024-09693-2\",\"RegionNum\":1,\"RegionCategory\":\"化学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"CHEMISTRY, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Accounts of Chemical Research","FirstCategoryId":"92","ListUrlMain":"https://doi.org/10.1007/s10967-024-09693-2","RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
Study on precipitation and plugging mechanism in CO2 + O2 in-situ leaching of uranium in Nalinggou uranium deposit
In this paper, PHREEQC software was used to calculate the saturation index of insoluble minerals, the pH boundary values of precipitated CaCO3, and the boundary values of Ca2+ and HCO3− concentrations in relation to the uranium extraction process and the chemical composition of leaching in the Nalinggou uranium deposit. Based on the comparative analysis results of the mineral composition and chemical composition of the primary rock and the blockage, the formation of the blockage containing the mineral layer is mainly related to the pH-value and the corresponding ion concentration of the leaching solution, the sediment can be effectively avoided in the boundary value range.
期刊介绍：
Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance.
Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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