Article(id=1147999690043421518, tenantId=1146029695717560320, journalId=1146123346816638986, issueId=1147999688122430098, articleNumber=1000-8063(2025)02-0060-11, orderNo=null, doi=10.13426/j.cnki.yky.2024.09.02, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1725206400000, receivedDateStr=2024-09-02, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1751634054909, onlineDateStr=2025-07-04, pubDate=1747670400000, pubDateStr=2025-05-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1751634054909, onlineIssueDateStr=2025-07-04, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1751634054909, creator=13701087609, updateTime=1751634054909, updator=13701087609, issue=Issue{id=1147999688122430098, tenantId=1146029695717560320, journalId=1146123346816638986, year='2025', volume='44', issue='2', pageStart='1', pageEnd='160', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1751634054451, creator=13701087609, updateTime=1759123795578, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1179413939365491632, tenantId=1146029695717560320, journalId=1146123346816638986, issueId=1147999688122430098, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1179413939365491633, tenantId=1146029695717560320, journalId=1146123346816638986, issueId=1147999688122430098, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=60, endPage=70, ext={EN=ArticleExt(id=1147999690332828516, articleId=1147999690043421518, tenantId=1146029695717560320, journalId=1146123346816638986, language=EN, title=Simulation Study on Mineral Dissolution and Precipitation During the “CO
2+O
2” In-situ Leaching Process, columnId=1175805041752556213, journalTitle=Uranium Mining and Metallurgy, columnName=MINING AND HYDROMETALLURGY, runingTitle=null, highlight=null, articleAbstract=
The "CO2+O2" leaching process is an artificially intensified water-rock interaction process that leads to the dissolution of non-uranium minerals, which enter the leaching solution system and cause changes in the dissolution and precipitation state of the minerals in the leachate. Geochemical simulation methods were used to simulate ion species in the leachate and the mineral leaching equilibrium studying the dissolution, migration, and precipitation of minerals during the in-situ leaching mining process. For the first time, the conditions and influencing factors for the precipitation of manganese minerals were studied, targeting the characteristics of strong groundwater reducibility and high carbonate content in the target deposit.The results show that under neutral leaching conditions, uranium in the leachate mainly exists in the form of UO2(CO3${)}_{3}^{4-}$ followed by UO2(CO3${)}_{2}^{2-}$, and the proportions of the two are affected by pH. The saturation indices of carbonate minerals in the neutral leaching leachate of the study area are all greater than zero, indicating a supersaturated state, and pH is the main factor controlling the precipitation of carbonates, with the critical pH for calcium carbonate precipitation being 6.7 and for calcium magnesium carbonate precipitation being 6.5. The saturation indices of sulfate minerals are all less than zero, and no precipitation of calcium sulfate will occur in the formation, and the precipitation of calcium sulfate is mainly controlled by the content of calcium ions and sulfate ions. Under neutral leaching conditions, iron mineral precipitation is likely to occur and is greatly affected by pH conditions; at the same time, manganese-containing minerals will precipitate in the leachate, and the redox conditions are the main factors affecting their dissolution and precipitation; some silicon-containing minerals in the leachate are in a supersaturated state, and their dissolution and precipitation are greatly affected by pH The research results are of great significance for the prevention of precipitation in in-situ leaching mining.
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2+O
2”地浸开采过程中矿物溶解沉淀模拟研究, columnId=1175805041991631542, journalTitle=铀矿冶, columnName=开采·选冶, runingTitle=null, highlight=null, articleAbstract=“CO
2+O
2”浸出过程是人工强化下的水岩作用过程,非铀矿物的溶蚀物会进入浸出液体系,导致浸出液矿物溶解沉淀状态发生改变。运用地球化学模拟手段对“CO
2+O
2”浸出过程浸出液中的离子存在形式及矿物溶浸平衡进行模拟计算,进而研究地浸开采过程中矿物溶解迁移和沉淀状况。针对目标矿床地下水还原性强、碳酸盐含量高的特征,研究了含锰矿物沉淀产生的条件及影响因素。结果表明:在中性浸出条件下,研究矿区浸出液中U主要以UO
2(CO
3${)}_{3}^{4-}$形式存在,UO
2(CO
3${)}_{2}^{2-}$次之,二者的占比主要受pH影响;浸出液中碳酸盐矿物饱和指数均大于零,处于过饱和状态,pH是控制碳酸盐矿物沉淀的主要因素,发生碳酸钙类矿物沉淀的临界pH为6.7,发生碳酸钙镁类矿物沉淀的临界pH为6.5;浸出液中硫酸盐矿物饱和指数均小于零,不会有硫酸钙沉淀析出,硫酸钙类矿物沉淀主要受钙离子和硫酸根含量的控制。在中性浸出条件下,易产生铁矿物沉淀,且受pH影响较大;同时,浸出液中会有含锰矿物析出,氧化还原条件是影响其溶解沉淀的重要因素;浸出液中大部分含硅矿物处于过饱和状态,其溶解沉淀受pH影响较大。研究结果对地浸开采中预防沉淀物质的产生具有重要意义。, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=xG4D/4uoS25HfV6XZzUJLw==, magXml=RVyVpr2Fv8xqUkRKWZQ66Q==, pdfUrl=null, pdf=6+mZvwkLP/n0HEwcOY+DqA==, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=OiGOdByB150gPvTxC8UsQg==, mapNumber=null, authorCompany=null, fund=null, authors=
翁海成(1992—),男,河北张家口人,硕士,工程师,主要从事地浸采铀工作。
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2”浸出), Keyword(id=1179483423505793996, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=CN, orderNo=2, keyword=地球化学模拟), Keyword(id=1179483423560319949, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=CN, orderNo=3, keyword=PHREEQC), Keyword(id=1179483423648400334, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=CN, orderNo=4, keyword=浸出液), Keyword(id=1179483423694537679, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=CN, orderNo=5, keyword=离子存在形式), Keyword(id=1179483423749063632, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=CN, orderNo=6, keyword=矿物溶解沉淀)], refs=[Reference(id=1179483426462778352, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, doi=null, pmid=null, pmcid=null, year=2012, volume=21, issue=9, pageStart=79, pageEnd=83, url=null, language=null, rfNumber=[1], rfOrder=0, authorNames=苏学斌, 杜志明, journalName=中国矿业, refType=null, unstructuredReference=苏学斌, 杜志明. 我国地浸采铀工艺技术发展现状与展望[J].
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2+O
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Journal of Radioanalytical and Nuclear Chemistry,
2019,
322(2):923-932., articleTitle=A novel methodology for investigating the redox potential of underground water in China’s Beishan HLW repository site, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1179483422016816045, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, xref=null, ext=[AuthorCompanyExt(id=1179483422025204654, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, companyId=1179483422016816045, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=Beijing Research Institute of Chemical Engineering and Metallurgy, CNNC, Beijing 101149, China), AuthorCompanyExt(id=1179483422033593263, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, companyId=1179483422016816045, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=核工业北京化工冶金研究院, 北京 101149)])], figs=[ArticleFig(id=1179483423912641489, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=EN, label=Fig. 1, caption=
Variation of UO2(CO3${)}_{3}^{4-}$ and UO2(CO3${)}_{3}^{4-}$ content and pH in the leachate over time, figureFileSmall=U+zNvIxr4nYVF15CORdvVA==, figureFileBig=BIsW2rVMxCaAG8JW1CmXNA==, tableContent=null), ArticleFig(id=1179483423962973138, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=CN, label=图1, caption=
浸出液UO2(CO3${)}_{3}^{4-}$、UO2(CO3${)}_{2}^{2-}$含量及pH随时间变化, figureFileSmall=U+zNvIxr4nYVF15CORdvVA==, figureFileBig=BIsW2rVMxCaAG8JW1CmXNA==, tableContent=null), ArticleFig(id=1179483424021693395, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=EN, label=Fig. 2, caption=
Relationship between the main forms of uranium and pH in the Leachate, figureFileSmall=AJ5voUiqibpt6rKbIz2ZTA==, figureFileBig=DRbzZipGtRNve++lM/F60A==, tableContent=null), ArticleFig(id=1179483424092996564, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=CN, label=图2, caption=
浸出液铀的主要存在形式与pH的关系, figureFileSmall=AJ5voUiqibpt6rKbIz2ZTA==, figureFileBig=DRbzZipGtRNve++lM/F60A==, tableContent=null), ArticleFig(id=1179483424164299733, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=EN, label=Fig. 3, caption=
Saturation Indices of carbonate minerals, sulfate minerals, and iron minerals in the leachate, figureFileSmall=AWvJPPMZxuowunT9PNhTxg==, figureFileBig=eEz8osM73rb5PPfa2uLI5w==, tableContent=null), ArticleFig(id=1179483424218825686, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=CN, label=图3, caption=
浸出液碳酸盐矿物、硫酸盐矿物、铁矿物饱和指数, figureFileSmall=AWvJPPMZxuowunT9PNhTxg==, figureFileBig=eEz8osM73rb5PPfa2uLI5w==, tableContent=null), ArticleFig(id=1179483424298517463, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=EN, label=Fig. 4, caption=
Variation of uranium carbonate mineral saturation index in the leachate over time and pH, figureFileSmall=cPUNSqrzBnFg3rWJ5BCTHw==, figureFileBig=LC0TTklHA0C7oRloMkue/g==, tableContent=null), ArticleFig(id=1179483424361432024, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=CN, label=图4, caption=
浸出液铀碳酸盐矿物饱和指数随时间、pH变化关系, figureFileSmall=cPUNSqrzBnFg3rWJ5BCTHw==, figureFileBig=LC0TTklHA0C7oRloMkue/g==, tableContent=null), ArticleFig(id=1179483424453706713, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=EN, label=Fig. 5, caption=
Variation of sulfate mineral saturation index over time and its relationship with Ca2+ and ${\mathrm{SO}}_{4}^{2-}$, figureFileSmall=JmzsJNA4p415gD98DLUpWw==, figureFileBig=iU31WKvghDWNm6WMsq1nHg==, tableContent=null), ArticleFig(id=1179483424516621274, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=CN, label=图5, caption=
硫酸盐矿物饱和指数随时间变化及其与Ca2+和${\mathrm{SO}}_{4}^{2-}$的关系, figureFileSmall=JmzsJNA4p415gD98DLUpWw==, figureFileBig=iU31WKvghDWNm6WMsq1nHg==, tableContent=null), ArticleFig(id=1179483424634061787, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=EN, label=Fig. 6, caption=
Analysis of gypsum dissolution state of calcium sulfate in neutral leaching process, figureFileSmall=PCBH3FrmIKLdZzmyYlTh1w==, figureFileBig=ToppFy5C3of+2ZDb84RYLQ==, tableContent=null), ArticleFig(id=1179483424793445340, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=CN, label=图6, caption=
中性浸出工艺硫酸钙溶解状态分析, figureFileSmall=PCBH3FrmIKLdZzmyYlTh1w==, figureFileBig=ToppFy5C3of+2ZDb84RYLQ==, tableContent=null), ArticleFig(id=1179483424881525725, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=EN, label=Fig. 7, caption=
Variation of iron mineral saturation index over time and its relationship with pH, figureFileSmall=ydgjruVuja9Ja1WbzrwarQ==, figureFileBig=aY9vIEwrRh5Y2fZBMRjbcg==, tableContent=null), ArticleFig(id=1179483424982189022, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=CN, label=图7, caption=
铁矿物饱和指数随时间变化及其与pH关系, figureFileSmall=ydgjruVuja9Ja1WbzrwarQ==, figureFileBig=aY9vIEwrRh5Y2fZBMRjbcg==, tableContent=null), ArticleFig(id=1179483425045103583, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=EN, label=Fig. 8, caption=
Saturation Index of manganese minerals in the leachate and its relationship with redox potential (pE represents electron activity), figureFileSmall=oO/P8iOlt7qLHJONKhl8vg==, figureFileBig=5f58+cHNJ659+tL43IluvA==, tableContent=null), ArticleFig(id=1179483425116406752, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=CN, label=图8, caption=
浸出液中锰矿物饱和指数及其与氧化还原电位关系(pE表示电子活度), figureFileSmall=oO/P8iOlt7qLHJONKhl8vg==, figureFileBig=5f58+cHNJ659+tL43IluvA==, tableContent=null), ArticleFig(id=1179483425204487137, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=EN, label=Fig. 9, caption=
Saturation Index of silicon-bearing minerals in the leachate and its relationship with pH, figureFileSmall=X0H3GnDHXDhtN4JMhUBDTg==, figureFileBig=OVCjj5g67IZiLxc22yQiCw==, tableContent=null), ArticleFig(id=1179483425267401698, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=CN, label=图9, caption=
浸出液含硅矿物饱和指数及其与pH关系, figureFileSmall=X0H3GnDHXDhtN4JMhUBDTg==, figureFileBig=OVCjj5g67IZiLxc22yQiCw==, tableContent=null), ArticleFig(id=1179483425359676387, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=EN, label=Table 1, caption=
Chemical composition of of leachate from pumping wells in C6 mining area
, figureFileSmall=null, figureFileBig=null, tableContent=
| 井号 | ρ(Ca2+)/ (mg/L) | ρ(Mg2+)/ (mg/L) | ρ(∑Fe)/ (mg/L) | ρ(Fe2+)/ (mg/L) | ρ($\mathrm{HCO}_{3}^{-}$)/ (mg/L) | ρ(Cl-)/ (mg/L) | ρ($\mathrm{SO}_{4}^{2-}$)/ (mg/L) | pH | ρ(U)/ (mg/L) | 电导率/ (μs/cm) | 溶解氧/ (mg/L) |
| 6-0611 | 116 | 188 | 0.079 | — | 2 930 | 1 207 | 1 079 | 7.06 | 5.22 | 7 510 | 6.97 |
| 6-0612 | 131 | 194 | 0.067 | — | 2 930 | 1 207 | 979 | 7.01 | 6.97 | 7 650 | 8.77 |
| 6-0810 | 126 | 191 | 0.067 | — | 2 930 | 1 243 | 1 025 | 6.99 | 3.83 | 7 630 | 13.10 |
| 6-0811 | 131 | 203 | 0.146 | 0.031 | 2 990 | 1 243 | 1 058 | 7.01 | 7.93 | 7 770 | 10.80 |
| 6-0812 | 121 | 191 | 0.376 | 0.086 | 2 870 | 1 207 | 1 093 | 6.96 | 3.13 | 7 620 | 6.85 |
| 6-1010 | 131 | 203 | 0.128 | 0.037 | 2 870 | 1 207 | 1 199 | 6.99 | 7.12 | 7 700 | 11.80 |
| 6-1012 | 131 | 200 | 0.092 | 0.037 | 2 870 | 1 207 | 1 122 | 6.97 | 3.40 | 7 650 | 13.80 |
| 6-1211 | 131 | 197 | 0.043 | — | 2 930 | 1 243 | 1 231 | 6.99 | 5.73 | 7 700 | 17.40 |
| 6-1212 | 136 | 206 | 0.049 | — | 2 930 | 1 207 | 1 033 | 6.98 | 3.48 | 7 720 | 14.20 |
| 6-1213 | 136 | 209 | 0.304 | 0.055 | 2 990 | 1 243 | 1 138 | 7.00 | 4.22 | 7 760 | 16.90 |
| 6-1411 | 126 | 191 | 0.261 | 0.079 | 2 990 | 1 243 | 1 082 | 7.05 | 4.61 | 7 610 | 14.40 |
| 6-1412 | 126 | 200 | 0.086 | 0.031 | 2 870 | 1 207 | 1 023 | 6.99 | 7.93 | 7 590 | 17.90 |
| 6-1413 | 121 | 197 | 0.098 | 0.031 | 2 930 | 1 207 | 1 122 | 7.04 | 5.22 | 7 570 | 13.10 |
| 6-1611 | 121 | 179 | 0.304 | 0.049 | 2 930 | 1 172 | 1 217 | 7.02 | 9.33 | 7 450 | 11.20 |
| 6-1612 | 126 | 197 | 0.055 | — | 2 990 | 1 207 | 1 137 | 7.00 | 8.09 | 7 710 | 12.80 |
| 6-1613 | 126 | 197 | 0.079 | — | 2 870 | 1 243 | 997 | 6.99 | 8.17 | 7 660 | 11.30 |
| 6-1812 | 126 | 200 | 0.049 | — | 3 050 | 1 207 | 1 081 | 7.03 | 8.75 | 7 760 | 10.90 |
| 6-1813 | 126 | 200 | 0.073 | 0.031 | 2 990 | 1 207 | 1 245 | 7.03 | 14.30 | 7 180 | 11.90 |
| 6-2013 | 111 | 185 | 0.073 | — | 2 870 | 1 243 | 1 160 | 7.10 | 5.84 | 7 550 | 10.20 |
), ArticleFig(id=1179483425443562468, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=CN, label=表1, caption=
C6采区抽液井浸出液化学组分
, figureFileSmall=null, figureFileBig=null, tableContent=
| 井号 | ρ(Ca2+)/ (mg/L) | ρ(Mg2+)/ (mg/L) | ρ(∑Fe)/ (mg/L) | ρ(Fe2+)/ (mg/L) | ρ($\mathrm{HCO}_{3}^{-}$)/ (mg/L) | ρ(Cl-)/ (mg/L) | ρ($\mathrm{SO}_{4}^{2-}$)/ (mg/L) | pH | ρ(U)/ (mg/L) | 电导率/ (μs/cm) | 溶解氧/ (mg/L) |
| 6-0611 | 116 | 188 | 0.079 | — | 2 930 | 1 207 | 1 079 | 7.06 | 5.22 | 7 510 | 6.97 |
| 6-0612 | 131 | 194 | 0.067 | — | 2 930 | 1 207 | 979 | 7.01 | 6.97 | 7 650 | 8.77 |
| 6-0810 | 126 | 191 | 0.067 | — | 2 930 | 1 243 | 1 025 | 6.99 | 3.83 | 7 630 | 13.10 |
| 6-0811 | 131 | 203 | 0.146 | 0.031 | 2 990 | 1 243 | 1 058 | 7.01 | 7.93 | 7 770 | 10.80 |
| 6-0812 | 121 | 191 | 0.376 | 0.086 | 2 870 | 1 207 | 1 093 | 6.96 | 3.13 | 7 620 | 6.85 |
| 6-1010 | 131 | 203 | 0.128 | 0.037 | 2 870 | 1 207 | 1 199 | 6.99 | 7.12 | 7 700 | 11.80 |
| 6-1012 | 131 | 200 | 0.092 | 0.037 | 2 870 | 1 207 | 1 122 | 6.97 | 3.40 | 7 650 | 13.80 |
| 6-1211 | 131 | 197 | 0.043 | — | 2 930 | 1 243 | 1 231 | 6.99 | 5.73 | 7 700 | 17.40 |
| 6-1212 | 136 | 206 | 0.049 | — | 2 930 | 1 207 | 1 033 | 6.98 | 3.48 | 7 720 | 14.20 |
| 6-1213 | 136 | 209 | 0.304 | 0.055 | 2 990 | 1 243 | 1 138 | 7.00 | 4.22 | 7 760 | 16.90 |
| 6-1411 | 126 | 191 | 0.261 | 0.079 | 2 990 | 1 243 | 1 082 | 7.05 | 4.61 | 7 610 | 14.40 |
| 6-1412 | 126 | 200 | 0.086 | 0.031 | 2 870 | 1 207 | 1 023 | 6.99 | 7.93 | 7 590 | 17.90 |
| 6-1413 | 121 | 197 | 0.098 | 0.031 | 2 930 | 1 207 | 1 122 | 7.04 | 5.22 | 7 570 | 13.10 |
| 6-1611 | 121 | 179 | 0.304 | 0.049 | 2 930 | 1 172 | 1 217 | 7.02 | 9.33 | 7 450 | 11.20 |
| 6-1612 | 126 | 197 | 0.055 | — | 2 990 | 1 207 | 1 137 | 7.00 | 8.09 | 7 710 | 12.80 |
| 6-1613 | 126 | 197 | 0.079 | — | 2 870 | 1 243 | 997 | 6.99 | 8.17 | 7 660 | 11.30 |
| 6-1812 | 126 | 200 | 0.049 | — | 3 050 | 1 207 | 1 081 | 7.03 | 8.75 | 7 760 | 10.90 |
| 6-1813 | 126 | 200 | 0.073 | 0.031 | 2 990 | 1 207 | 1 245 | 7.03 | 14.30 | 7 180 | 11.90 |
| 6-2013 | 111 | 185 | 0.073 | — | 2 870 | 1 243 | 1 160 | 7.10 | 5.84 | 7 550 | 10.20 |
), ArticleFig(id=1179483425561002981, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=EN, label=Table 2, caption=
Characteristics of chemical composition of pumping well 6-1611 over time
, figureFileSmall=null, figureFileBig=null, tableContent=
| 日期 | pH | Eh | ρ($\mathrm{HCO}_{3}^{-}$)/ (mg/L) | ρ(Cl-)/ (mg/L) | ρ($\mathrm{SO}_{4}^{2-}$)/ (mg/L) | ρ(Ca2+)/ (mg/L) | ρ(Mg2+)/ (mg/L) | ρ(U)/ (mg/L) | ρ(总Fe)/ (mg/L) |
| 2010-07-19 | 7.75 | 113 | 2 440 | 504 | 518 | 26 | 47 | 8.8 | 0.111 |
| 2010-09-16 | 7.44 | 246 | 2 620 | 459 | 645 | 34 | 54 | 44.1 | 0.173 |
| 2010-10-26 | 7.36 | 309 | 2 590 | 505 | 705 | 37 | 65 | 52.9 | 0.067 |
| 2011-06-08 | 7.26 | 238 | 2 600 | 424 | 750 | 46 | 77 | 39.7 | 0.073 |
| 2013-05-06 | 7.16 | 326 | 2 840 | 443 | 1 160 | 88 | 139 | 22.6 | 0.043 |
| 2015-07-05 | 7.07 | 340 | 2 870 | 529 | 1 320 | 120 | 173 | 13.5 | 0.034 |
| 2016-04-06 | 6.98 | 219 | 2 870 | 589 | 1 287 | 124 | 180 | 10.6 | — |
| 2017-04-06 | 7.04 | 236 | 2 930 | 604 | 1 217 | 126 | 176 | 9.1 | — |
| 2019-11-06 | 7.10 | 203 | 2 624 | 592 | 1 360 | 110 | 180 | 7.3 | 0.010 |
| 2020-05-06 | 7.10 | 236 | 2 753 | 591 | 1 227 | 102 | 165 | 7.2 | 0.010 |
), ArticleFig(id=1179483425653277670, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=CN, label=表2, caption=
抽液井6-1611化学组分随时间的变化特征
, figureFileSmall=null, figureFileBig=null, tableContent=
| 日期 | pH | Eh | ρ($\mathrm{HCO}_{3}^{-}$)/ (mg/L) | ρ(Cl-)/ (mg/L) | ρ($\mathrm{SO}_{4}^{2-}$)/ (mg/L) | ρ(Ca2+)/ (mg/L) | ρ(Mg2+)/ (mg/L) | ρ(U)/ (mg/L) | ρ(总Fe)/ (mg/L) |
| 2010-07-19 | 7.75 | 113 | 2 440 | 504 | 518 | 26 | 47 | 8.8 | 0.111 |
| 2010-09-16 | 7.44 | 246 | 2 620 | 459 | 645 | 34 | 54 | 44.1 | 0.173 |
| 2010-10-26 | 7.36 | 309 | 2 590 | 505 | 705 | 37 | 65 | 52.9 | 0.067 |
| 2011-06-08 | 7.26 | 238 | 2 600 | 424 | 750 | 46 | 77 | 39.7 | 0.073 |
| 2013-05-06 | 7.16 | 326 | 2 840 | 443 | 1 160 | 88 | 139 | 22.6 | 0.043 |
| 2015-07-05 | 7.07 | 340 | 2 870 | 529 | 1 320 | 120 | 173 | 13.5 | 0.034 |
| 2016-04-06 | 6.98 | 219 | 2 870 | 589 | 1 287 | 124 | 180 | 10.6 | — |
| 2017-04-06 | 7.04 | 236 | 2 930 | 604 | 1 217 | 126 | 176 | 9.1 | — |
| 2019-11-06 | 7.10 | 203 | 2 624 | 592 | 1 360 | 110 | 180 | 7.3 | 0.010 |
| 2020-05-06 | 7.10 | 236 | 2 753 | 591 | 1 227 | 102 | 165 | 7.2 | 0.010 |
), ArticleFig(id=1179483425724580839, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=EN, label=Table 3, caption=
The content and proportion of main uranium species in the leachate
, figureFileSmall=null, figureFileBig=null, tableContent=
| 铀存在形式 | 浓度/(mol/L) | 占比/% |
| UO2(CO3${)}_{3}^{4-}$ | 2.13×10-4 | 95.45 |
| UO2(CO3${)}_{2}^{2-}$ | 1.02×10-5 | 4.54 |
| UO2CO3 | 2.21×10-8 | 0.01 |
| UO2(OH)+ | 8.71×10-12 | 3.90×1${{0}^{-}}^{6}$ |
| ${UO}_{2}^{2+}$ | 1.69×10-13 | 7.54×10-8 |
| UO2SO4 | 5.97×10-14 | 2.67×10-8 |
| UO2(SO4${)}_{2}^{2-}$ | 1.00×10-14 | 4.47×1${{0}^{-}}^{9}$ |
| UO2Cl+ | 1.46×10-15 | 6.55×10-10 |
| (UO2)2(${OH)}_{2}^{2+}$ | 7.44×10-18 | 3.33×10-12 |
| (UO2)3${(OH)}_{5}^{+}$ | 1.44×10-19 | 6.45×10-14 |
), ArticleFig(id=1179483425800078312, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=CN, label=表3, caption=
浸出液中各种铀存在形式及其占比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 铀存在形式 | 浓度/(mol/L) | 占比/% |
| UO2(CO3${)}_{3}^{4-}$ | 2.13×10-4 | 95.45 |
| UO2(CO3${)}_{2}^{2-}$ | 1.02×10-5 | 4.54 |
| UO2CO3 | 2.21×10-8 | 0.01 |
| UO2(OH)+ | 8.71×10-12 | 3.90×1${{0}^{-}}^{6}$ |
| ${UO}_{2}^{2+}$ | 1.69×10-13 | 7.54×10-8 |
| UO2SO4 | 5.97×10-14 | 2.67×10-8 |
| UO2(SO4${)}_{2}^{2-}$ | 1.00×10-14 | 4.47×1${{0}^{-}}^{9}$ |
| UO2Cl+ | 1.46×10-15 | 6.55×10-10 |
| (UO2)2(${OH)}_{2}^{2+}$ | 7.44×10-18 | 3.33×10-12 |
| (UO2)3${(OH)}_{5}^{+}$ | 1.44×10-19 | 6.45×10-14 |
), ArticleFig(id=1179483425896547305, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=EN, label=Table 4, caption=
Main forms of iron in the leachate
, figureFileSmall=null, figureFileBig=null, tableContent=
| Fe存在形式 | 浓度/(mol/L) | 占比/% |
| Fe${(OH)}_{2}^{+}$ | 1.40×10-7 | 77.50 |
| Fe(OH)3 | 1.42×10-8 | 7.89 |
| Fe${(OH)}_{4}^{-}$ | 2.06×10-9 | 1.14 |
| FeOH2+ | 4.23×10-11 | 0.02 |
| Fe2+ | 1.96×10-8 | 10.87 |
| FeSO4 | 4.56×10-9 | 2.53 |
| FeOH+ | 1.66×10-11 | 0.01 |
), ArticleFig(id=1179483425959461866, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=CN, label=表4, caption=
浸出液中铁的主要存在形式
, figureFileSmall=null, figureFileBig=null, tableContent=
| Fe存在形式 | 浓度/(mol/L) | 占比/% |
| Fe${(OH)}_{2}^{+}$ | 1.40×10-7 | 77.50 |
| Fe(OH)3 | 1.42×10-8 | 7.89 |
| Fe${(OH)}_{4}^{-}$ | 2.06×10-9 | 1.14 |
| FeOH2+ | 4.23×10-11 | 0.02 |
| Fe2+ | 1.96×10-8 | 10.87 |
| FeSO4 | 4.56×10-9 | 2.53 |
| FeOH+ | 1.66×10-11 | 0.01 |
), ArticleFig(id=1179483426047542251, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=EN, label=Table 5, caption=
Main ion concentrations in the solutions
, figureFileSmall=null, figureFileBig=null, tableContent=
| 编号 | pH | ρ($\mathrm{HCO}_{3}^{-}$)/ (mg/L) | ρ(Cl-)/ (mg/L) | ρ($\mathrm{SO}_{4}^{2-}$)/ (mg/L) | ρ(Ca)/ (mg/L) | ρ(Mg)/ (mg/L) | ρ(Na)/ (mg/L) | ρ(U)/ (mg/L) | ρ(Mn)/ (mg/L) | ρ(Si)/ (mg/L) |
| 6-1215B浸出液 | 7.01 | 2 570 | 641 | 1 081 | 100.0 | 140 | 1 580 | 7.59 | 0.346 | 12.1 |
| 6-1412浸出液 | 7.01 | 2 570 | 628 | 1 081 | 106.0 | 140 | 1 600 | 4.77 | 0.579 | 9.6 |
| 6-1611浸出液 | 7.10 | 2 630 | 560 | 1 081 | 95.7 | 140 | 1 580 | 7.43 | 0.628 | 10.1 |
| 6-1613浸出液 | 7.00 | 2 650 | 594 | 1 081 | 97.8 | 140 | 1 610 | 5.06 | 0.706 | 10.4 |
| 6-1812浸出液 | 7.15 | 2 570 | 560 | 1 081 | 95.7 | 140 | 1 540 | 6.48 | 0.701 | 10.3 |
| 尾液 | 7.05 | 2 630 | 574 | 1 340 | 98.7 | 140 | 1 600 | 7.02 | 0.180 | 11.0 |
| 原液 | 7.01 | 2 580 | 638 | 1 389 | 100.0 | 173 | — | 10.20 | 0.750 | - |
), ArticleFig(id=1179483426144011244, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=CN, label=表5, caption=
溶液中主要离子含量
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| 编号 | pH | ρ($\mathrm{HCO}_{3}^{-}$)/ (mg/L) | ρ(Cl-)/ (mg/L) | ρ($\mathrm{SO}_{4}^{2-}$)/ (mg/L) | ρ(Ca)/ (mg/L) | ρ(Mg)/ (mg/L) | ρ(Na)/ (mg/L) | ρ(U)/ (mg/L) | ρ(Mn)/ (mg/L) | ρ(Si)/ (mg/L) |
| 6-1215B浸出液 | 7.01 | 2 570 | 641 | 1 081 | 100.0 | 140 | 1 580 | 7.59 | 0.346 | 12.1 |
| 6-1412浸出液 | 7.01 | 2 570 | 628 | 1 081 | 106.0 | 140 | 1 600 | 4.77 | 0.579 | 9.6 |
| 6-1611浸出液 | 7.10 | 2 630 | 560 | 1 081 | 95.7 | 140 | 1 580 | 7.43 | 0.628 | 10.1 |
| 6-1613浸出液 | 7.00 | 2 650 | 594 | 1 081 | 97.8 | 140 | 1 610 | 5.06 | 0.706 | 10.4 |
| 6-1812浸出液 | 7.15 | 2 570 | 560 | 1 081 | 95.7 | 140 | 1 540 | 6.48 | 0.701 | 10.3 |
| 尾液 | 7.05 | 2 630 | 574 | 1 340 | 98.7 | 140 | 1 600 | 7.02 | 0.180 | 11.0 |
| 原液 | 7.01 | 2 580 | 638 | 1 389 | 100.0 | 173 | — | 10.20 | 0.750 | - |
), ArticleFig(id=1179483426232091630, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=EN, label=Table 6, caption=
Main forms of manganese in the leachate
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| Mn存在形式 | 浓度/(mol/L) | 占比/% |
| ${{Mn}^{2}}^{+}$ | 4.27×10-6 | 67.33 |
| ${MnHCO}_{3}^{+}$ | 1.06×10-6 | 16.66 |
| MnSO4 | 8.88×10-7 | 14.01 |
| MnCl+ | 1.25×10-7 | 1.98 |
| MnCl2 | 3.66×10-10 | 0.01 |
), ArticleFig(id=1179483426303394799, tenantId=1146029695717560320, journalId=1146123346816638986, articleId=1147999690043421518, language=CN, label=表6, caption=
浸出液中锰的主要存在形式
, figureFileSmall=null, figureFileBig=null, tableContent=
| Mn存在形式 | 浓度/(mol/L) | 占比/% |
| ${{Mn}^{2}}^{+}$ | 4.27×10-6 | 67.33 |
| ${MnHCO}_{3}^{+}$ | 1.06×10-6 | 16.66 |
| MnSO4 | 8.88×10-7 | 14.01 |
| MnCl+ | 1.25×10-7 | 1.98 |
| MnCl2 | 3.66×10-10 | 0.01 |
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