Article(id=1319222284905197670, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222240177144549, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20220689, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1661270400000, receivedDateStr=2022-08-24, revisedDate=1662912000000, revisedDateStr=2022-09-12, acceptedDate=null, acceptedDateStr=null, onlineDate=1792456702685, onlineDateStr=2026-10-20, pubDate=1674144000000, pubDateStr=2023-01-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792456702685, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792456702685, creator=13701087609, updateTime=1792456702685, updator=13701087609, issue=Issue{id=1319222240177144549, tenantId=1146029695717560320, journalId=1263187385517883426, year='2023', volume='51', issue='1', pageStart='1', pageEnd='282', issueExtLink='null', onlineDate='null', pubDate='1674144000000', pubDateStr='2023-01-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1792456692021, creator='13701087609', updateTime=1792456863865, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319222960989262349, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222240177144549, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319222960989262350, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222240177144549, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=215, endPage=225, ext={EN=ArticleExt(id=1319222285106524263, articleId=1319222284905197670, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Clay Phase Change of Gaomiaozi Bentonite in Simulated Cement Solutions, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

Because of groundwater dissolution, the lining concrete of HLW geological repository release a "cement solution", and its chemical composition undergoes a four-stage evolution process. A young cement solution standing for Ⅰ-stage cement solution was mixed with Gaomiaozi (GMZ) bentonite powder, as suspensions to prompt static solid-liquid reaction in a batch style for evaluation of long-term chemical stability of the bentonite buffer material as used in China. During 256 d test, suspensions were harvested in different time intervals and separated into solid and liquid phases. The liquid phase were analyzed for pH, electrical conductivity and cation concentration. The solid phase was characterized by means of X-ray diffraction, Fourier transform infrared spectra and scanning electron microscope-energy spectrum. The analysis results of solid and liquid indicated both the dissolution of montmorillonite mineral and the formation of mixed layer illite-smectite occur in GMZ bentonite at the same time under the action of young cement solution. This tends to reduce the buffer performance of the GMZ bentonite.

, authors=Huyuan ZHANG1, 2, Xiaoya LI1, Yanmei TONG1, Hongliang YU1, Quan YI1, authorsList=Huyuan ZHANG, Xiaoya LI, Yanmei TONG, Hongliang YU, Quan YI, authorCompany=null, correspAuthors=null, authorNote=

ZHANG Huyuan (1963-), male, Ph.D., Professor. E-mail:

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高放废物处置库衬砌混凝土,在地下水溶蚀作用下释放出“水泥浸出液”,其化学成分经历4个阶段的演变过程。配制新鲜水泥浸出液模拟第I阶段水泥浸出液,与高庙子膨润土粉末混合成悬液体系,开展批式固-液静态反应,评估中国处置库膨润土缓冲材料的长期化学稳定性。静态反应256 d期间,分阶段采收的悬液分离成固、液两相。液相检测pH值、电导率和阳离子浓度。固相开展X射线衍射、Fourier红外光谱和扫描电子显微镜-能谱仪分析测试。固、液两相分析结果表明:高庙子膨润土在新鲜水泥浸出液作用下,同时发生蒙脱石矿物的溶解及伊利石/蒙脱石混层次生矿物的形成,从而降低高庙子膨润土的缓冲性能。

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张虎元(1963—),男,博士,教授。

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高庙子膨润土在模拟水泥浸出液中的黏土矿物相变
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张虎元 1, 2 , 李小雅 1 , 童艳梅 1 , 于洪亮 1 , 易泉 1
硅酸盐学报 | 研究论文 2023,51(1): 215-225
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硅酸盐学报 |研究论文 2023 , 51 (1) : 215 -225
高庙子膨润土在模拟水泥浸出液中的黏土矿物相变
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张虎元1, 2 , 李小雅1, 童艳梅1, 于洪亮1, 易泉1
作者信息
  • 1.兰州大学土木工程与力学学院,兰州 730000
  • 2.兰州大学,西部灾害与环境力学教育部重点实验室,兰州 730000
作者简介:

张虎元(1963—),男,博士,教授。

Clay Phase Change of Gaomiaozi Bentonite in Simulated Cement Solutions
Huyuan ZHANG1, 2 , Xiaoya LI1, Yanmei TONG1, Hongliang YU1, Quan YI1
Affiliations
  • 1.School of Civil Engineering and Mechanics, Lanzhou University, Lanzhou 730000, China
  • 2.Key Laboratory of Mechanics on Disaster and Environment in Western China, The Ministry of Education, Lanzhou University, Lanzhou 730000, China
  • ZHANG Huyuan (1963-), male, Ph.D., Professor. E-mail:

出版时间: 2023-01-20 doi: 10.14062/j.issn.0454-5648.20220689
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高放废物处置库衬砌混凝土,在地下水溶蚀作用下释放出“水泥浸出液”,其化学成分经历4个阶段的演变过程。配制新鲜水泥浸出液模拟第I阶段水泥浸出液,与高庙子膨润土粉末混合成悬液体系,开展批式固-液静态反应,评估中国处置库膨润土缓冲材料的长期化学稳定性。静态反应256 d期间,分阶段采收的悬液分离成固、液两相。液相检测pH值、电导率和阳离子浓度。固相开展X射线衍射、Fourier红外光谱和扫描电子显微镜-能谱仪分析测试。固、液两相分析结果表明:高庙子膨润土在新鲜水泥浸出液作用下,同时发生蒙脱石矿物的溶解及伊利石/蒙脱石混层次生矿物的形成,从而降低高庙子膨润土的缓冲性能。

高放废物处置  /  缓冲屏障  /  模拟水泥浸出液  /  膨润土  /  蒙脱石

Because of groundwater dissolution, the lining concrete of HLW geological repository release a "cement solution", and its chemical composition undergoes a four-stage evolution process. A young cement solution standing for Ⅰ-stage cement solution was mixed with Gaomiaozi (GMZ) bentonite powder, as suspensions to prompt static solid-liquid reaction in a batch style for evaluation of long-term chemical stability of the bentonite buffer material as used in China. During 256 d test, suspensions were harvested in different time intervals and separated into solid and liquid phases. The liquid phase were analyzed for pH, electrical conductivity and cation concentration. The solid phase was characterized by means of X-ray diffraction, Fourier transform infrared spectra and scanning electron microscope-energy spectrum. The analysis results of solid and liquid indicated both the dissolution of montmorillonite mineral and the formation of mixed layer illite-smectite occur in GMZ bentonite at the same time under the action of young cement solution. This tends to reduce the buffer performance of the GMZ bentonite.

high level waste disposal  /  buffer barrier  /  simulated cement solution  /  bentonite  /  montmorillonite
张虎元, 李小雅, 童艳梅, 于洪亮, 易泉. 高庙子膨润土在模拟水泥浸出液中的黏土矿物相变. 硅酸盐学报, 2023 , 51 (1) : 215 -225 . DOI: 10.14062/j.issn.0454-5648.20220689
Huyuan ZHANG, Xiaoya LI, Yanmei TONG, Hongliang YU, Quan YI. Clay Phase Change of Gaomiaozi Bentonite in Simulated Cement Solutions[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (1) : 215 -225 . DOI: 10.14062/j.issn.0454-5648.20220689
  • 国家自然科学基金项目(41972265)
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doi: 10.14062/j.issn.0454-5648.20220689
  • 接收时间:2022-08-24
  • 首发时间:2026-10-20
  • 出版时间:2023-01-20
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  • 收稿日期:2022-08-24
  • 修回日期:2022-09-12
基金
国家自然科学基金项目(41972265)
作者信息
    1.兰州大学土木工程与力学学院,兰州 730000
    2.兰州大学,西部灾害与环境力学教育部重点实验室,兰州 730000
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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