Article(id=1322559910211080311, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322559853093048851, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1741017600000, receivedDateStr=2025-03-04, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793252454568, onlineDateStr=2026-10-29, pubDate=1771948800000, pubDateStr=2026-02-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793252454568, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793252454568, creator=13701087609, updateTime=1793252454568, updator=13701087609, issue=Issue{id=1322559853093048851, tenantId=1146029695717560320, journalId=1225396423026438145, year='2026', volume='46', issue='2', pageStart='1', pageEnd='326', issueExtLink='null', onlineDate='null', pubDate='1771948800000', pubDateStr='2026-02-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793252440951, creator='13701087609', updateTime=1793252699964, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322560939526828556, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322559853093048851, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322560939526828557, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322559853093048851, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=251, endPage=259, ext={EN=ArticleExt(id=1322559910374658168, articleId=1322559910211080311, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Experimental Study on Uranium Tailings Reinforced by Sodium Silicate Synergized with Sporosarcina Pasteurii, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=

To investigate the synergistic mechanism of uranium tailings reinforced by sodium silicate synergized with Sporosarcina pasteurii, a uranium tailings was taken as the research object. By measuring the OD value and pH of Sporosarcina pasteurii in the environment containing sodium silicate, the effects of sodium silicate solutions with different modulus and different mass fraction on the growth law of Sporosarcina pasteurii were analyzed. Based on the microbial induced carbonate precipitation (MICP) technology, the experiment of uranium tailings column reinforced by sodium silicate synergized with Sporosarcina pasteurii was carried out, and the unconfined uniaxial compressive strength of uranium tailings columns in each group was compared and analyzed. The results show that sodium silicate with an appropriate mass fraction and modulus can significantly improve the unconfined uniaxial compressive strength of uranium tailings columns. The effect of sodium silicate solution with a modulus of 2.3 and a mass fraction of 5% is the best, and the corresponding unconfined uniaxial compressive strength of the uranium tailings column reaches 284 Pa, which is 11.8% higher than that of the single Sporosarcina pasteurii reinforcement group of 254 Pa. The results of X-ray diffraction ( XRD ) show that the precipitates formed in all experimental groups are mainly calcium carbonate crystals. Compared with the single Sporosarcina pasteurii control group, the calcite crystals formed therein have a higher proportion and better crystallization thermodynamic stability. Scanning electron microscopy (SEM) images combined with energy dispersive spectroscopy (EDS) results further confirm that after the addition of sodium silicate solution, more calcium carbonate crystals are formed, the crystal surface are smoother and flatter, and the structure is more compact. The research results provide theoretical guidance for improving the reinforcement technology of uranium tailings reservoir.

, authors=Tianming LIU1, 2, Qinqin WU3, Aiwu HUANG1, 2, Wenlei JIAO1, 2, Yuting WANG1, 2, Lin HU1, 2, Lingling WU1, 2, Qing YU1, 2, authorsList=Tianming LIU, Qinqin WU, Aiwu HUANG, Wenlei JIAO, Yuting WANG, Lin HU, Lingling WU, Qing YU, authorCompany=null, correspAuthors=Qing YU, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1322559910588567673, articleId=1322559910211080311, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=硅酸钠协同巴氏芽孢杆菌加固铀尾砂的试验研究, columnId=1226462295417598973, journalTitle=矿业研究与开发, columnName=矿山安全与环保, runingTitle=null, highlight=null, articleAbstract=

为探究硅酸钠协同巴氏芽孢杆菌加固铀尾砂的协同机理,以某铀尾砂为研究对象,通过测定巴氏芽孢杆菌在含有硅酸钠环境中的OD值和pH,分析不同模数、不同质量分数硅酸钠溶液对巴氏芽孢杆菌生长规律的影响。基于微生物诱导碳酸钙沉淀技术(MICP),开展硅酸钠协同巴氏芽孢杆菌加固铀尾砂柱的试验,对比分析各组铀尾砂柱的无侧限单轴抗压强度。结果表明,适当质量分数和模数的硅酸钠能显著提高铀尾砂柱的无侧限抗压强度,其中模数为2.3,质量分数为5%的硅酸钠溶液的效果最佳,对应尾砂柱的无侧限抗压强度达284 Pa,相较于单一巴氏芽孢杆菌加固组的254 Pa增幅达11.8%。X射线衍射(XRD)试验结果表明,所有试验组生成的沉淀均以碳酸钙晶体为主,相较于巴氏芽孢杆菌对照组,其生成的方解石晶体占比更高,结晶热力学稳定性更好。扫描电镜(SEM)图像结合能谱分析(EDS)结果进一步证实,加入硅酸钠溶液后,生成了更多的碳酸钙结晶,且晶体表面更加光滑平整,结构更加致密。研究结果对完善铀尾矿库的加固技术提供了理论指导。

, authors=刘天明1, 2, 伍琴琴3, 黄爱武1, 2, 焦文磊1, 2, 汪雨婷1, 2, 胡林1, 2, 伍玲玲1, 2, 喻清1, 2, authorsList=刘天明, 伍琴琴, 黄爱武, 焦文磊, 汪雨婷, 胡林, 伍玲玲, 喻清, authorCompany=null, correspAuthors=喻清, authorNote=

刘天明(1995—),男,广东梅州人,硕士研究生,主要从事微生物加固技术的研究。E-mail:

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喻清(1984—),男,江西临川人,博士,副教授,主要从事矿山工程灾害控制理论和技术研究。E-mail:
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硅酸钠协同巴氏芽孢杆菌加固铀尾砂的试验研究
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刘天明 1, 2 , 伍琴琴 3 , 黄爱武 1, 2 , 焦文磊 1, 2 , 汪雨婷 1, 2 , 胡林 1, 2 , 伍玲玲 1, 2 , 喻清 1, 2
矿业研究与开发 | 矿山安全与环保 2026,46(2): 251-259
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矿业研究与开发 |矿山安全与环保 2026 , 46 (2) : 251 -259
硅酸钠协同巴氏芽孢杆菌加固铀尾砂的试验研究
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刘天明(1995—),男,广东梅州人,硕士研究生,主要从事微生物加固技术的研究。E-mail:

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刘天明(1995—),男,广东梅州人,硕士研究生,主要从事微生物加固技术的研究。E-mail:

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刘天明1, 2 , 伍琴琴3, 黄爱武1, 2, 焦文磊1, 2, 汪雨婷1, 2, 胡林1, 2, 伍玲玲1, 2, 喻清1, 2
作者信息
  • 1.南华大学 资源环境与安全工程学院,湖南 衡阳市 421001
  • 2.铀矿冶生物技术国防重点学科实验室,湖南 衡阳市 421001
  • 3.湖南高速铁路职业技术学院 铁道工程学院,湖南 衡阳市 421002
通讯作者:
喻清(1984—),男,江西临川人,博士,副教授,主要从事矿山工程灾害控制理论和技术研究。E-mail:
作者简介:

刘天明(1995—),男,广东梅州人,硕士研究生,主要从事微生物加固技术的研究。E-mail:

Experimental Study on Uranium Tailings Reinforced by Sodium Silicate Synergized with Sporosarcina Pasteurii
Tianming LIU1, 2 , Qinqin WU3, Aiwu HUANG1, 2, Wenlei JIAO1, 2, Yuting WANG1, 2, Lin HU1, 2, Lingling WU1, 2, Qing YU1, 2
Affiliations
  • 1.School of Resources Environment and Safety Engineering, University of South China, Hengyang, Hunan 421001, China
  • 2.Key Discipline Laboratory for National Defense for Biotechnology in Uranium Mining and Hydrometallurgy, Hengyang, Hunan 421001, China
  • 3.College of Railway Engineering, Hunan Technical College of Railway High-Speed, Hengyang, Hunan 421002, China
出版时间: 2026-02-25
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为探究硅酸钠协同巴氏芽孢杆菌加固铀尾砂的协同机理,以某铀尾砂为研究对象,通过测定巴氏芽孢杆菌在含有硅酸钠环境中的OD值和pH,分析不同模数、不同质量分数硅酸钠溶液对巴氏芽孢杆菌生长规律的影响。基于微生物诱导碳酸钙沉淀技术(MICP),开展硅酸钠协同巴氏芽孢杆菌加固铀尾砂柱的试验,对比分析各组铀尾砂柱的无侧限单轴抗压强度。结果表明,适当质量分数和模数的硅酸钠能显著提高铀尾砂柱的无侧限抗压强度,其中模数为2.3,质量分数为5%的硅酸钠溶液的效果最佳,对应尾砂柱的无侧限抗压强度达284 Pa,相较于单一巴氏芽孢杆菌加固组的254 Pa增幅达11.8%。X射线衍射(XRD)试验结果表明,所有试验组生成的沉淀均以碳酸钙晶体为主,相较于巴氏芽孢杆菌对照组,其生成的方解石晶体占比更高,结晶热力学稳定性更好。扫描电镜(SEM)图像结合能谱分析(EDS)结果进一步证实,加入硅酸钠溶液后,生成了更多的碳酸钙结晶,且晶体表面更加光滑平整,结构更加致密。研究结果对完善铀尾矿库的加固技术提供了理论指导。

铀尾砂  /  硅酸钠  /  巴氏芽孢杆菌  /  协同机理  /  加固技术

To investigate the synergistic mechanism of uranium tailings reinforced by sodium silicate synergized with Sporosarcina pasteurii, a uranium tailings was taken as the research object. By measuring the OD value and pH of Sporosarcina pasteurii in the environment containing sodium silicate, the effects of sodium silicate solutions with different modulus and different mass fraction on the growth law of Sporosarcina pasteurii were analyzed. Based on the microbial induced carbonate precipitation (MICP) technology, the experiment of uranium tailings column reinforced by sodium silicate synergized with Sporosarcina pasteurii was carried out, and the unconfined uniaxial compressive strength of uranium tailings columns in each group was compared and analyzed. The results show that sodium silicate with an appropriate mass fraction and modulus can significantly improve the unconfined uniaxial compressive strength of uranium tailings columns. The effect of sodium silicate solution with a modulus of 2.3 and a mass fraction of 5% is the best, and the corresponding unconfined uniaxial compressive strength of the uranium tailings column reaches 284 Pa, which is 11.8% higher than that of the single Sporosarcina pasteurii reinforcement group of 254 Pa. The results of X-ray diffraction ( XRD ) show that the precipitates formed in all experimental groups are mainly calcium carbonate crystals. Compared with the single Sporosarcina pasteurii control group, the calcite crystals formed therein have a higher proportion and better crystallization thermodynamic stability. Scanning electron microscopy (SEM) images combined with energy dispersive spectroscopy (EDS) results further confirm that after the addition of sodium silicate solution, more calcium carbonate crystals are formed, the crystal surface are smoother and flatter, and the structure is more compact. The research results provide theoretical guidance for improving the reinforcement technology of uranium tailings reservoir.

Uranium tailings  /  Sodium silicate  /  Sporosarcina pasteurii  /  Synergistic mechanism  /  Reinforcement technology
刘天明, 伍琴琴, 黄爱武, 焦文磊, 汪雨婷, 胡林, 伍玲玲, 喻清. 硅酸钠协同巴氏芽孢杆菌加固铀尾砂的试验研究. 矿业研究与开发, 2026 , 46 (2) : 251 -259 .
Tianming LIU, Qinqin WU, Aiwu HUANG, Wenlei JIAO, Yuting WANG, Lin HU, Lingling WU, Qing YU. Experimental Study on Uranium Tailings Reinforced by Sodium Silicate Synergized with Sporosarcina Pasteurii[J]. Mining Research and Development, 2026 , 46 (2) : 251 -259 .
  • 国家自然科学基金项目(52474134)
  • 湖南省教育厅重点项目(22A0291)
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2026年第46卷第2期
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  • 接收时间:2025-03-04
  • 首发时间:2026-10-29
  • 出版时间:2026-02-25
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  • 收稿日期:2025-03-04
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国家自然科学基金项目(52474134)
湖南省教育厅重点项目(22A0291)
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    1.南华大学 资源环境与安全工程学院,湖南 衡阳市 421001
    2.铀矿冶生物技术国防重点学科实验室,湖南 衡阳市 421001
    3.湖南高速铁路职业技术学院 铁道工程学院,湖南 衡阳市 421002

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喻清(1984—),男,江西临川人,博士,副教授,主要从事矿山工程灾害控制理论和技术研究。E-mail:
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2种不同金属材料的力学参数
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genus
种数
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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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