Article(id=1322943282287878210, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942627649303277, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20200553, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1596038400000, receivedDateStr=2020-07-30, revisedDate=1598284800000, revisedDateStr=2020-08-25, acceptedDate=null, acceptedDateStr=null, onlineDate=1793343857594, onlineDateStr=2026-10-30, pubDate=1624118400000, pubDateStr=2021-06-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793343857594, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793343857594, creator=13701087609, updateTime=1793343857594, updator=13701087609, issue=Issue{id=1322942627649303277, tenantId=1146029695717560320, journalId=1263187385517883426, year='2021', volume='49', issue='6', pageStart='1033', pageEnd='1246', issueExtLink='null', onlineDate='null', pubDate='1624118400000', pubDateStr='2021-06-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793343701517, creator='13701087609', updateTime=1793345989266, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322952223231181603, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942627649303277, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322952223231181604, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942627649303277, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1230, endPage=1237, ext={EN=ArticleExt(id=1322943282459844675, articleId=1322943282287878210, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Biofilm Formed by Sulfur-Oxidizing Bacteria in Sewage and its Effect on Micro-Properties of Mortar, columnId=null, journalTitle=Journal of the Chinese Ceramic Society, columnName=null, runingTitle=null, highlight=null, articleAbstract=

Biofilm and the microscopic properties of mortar were investigated by electrochemical impedance spectroscopy, scanning electron microscopy, thermal analysis and X-ray diffraction. The results show that a mature biofilm can be formed on the surface of mortar at 30 d. In a macroscopic study, the biofilm is a transparent and viscous substance containing white matter. In a microscopic study, the biofilm is a film structure formed by rod-shaped sulfur-oxidizing bacteria wrapped with extracellular polymeric substances (EPS). The biofilm on the surface of 90 d mortar is in the disintegration stage. The thickness, protein optical density (OD) value and microorganism number OD value of the 30 d biofilm are 1.59 mm, 0.086, and 1.614, respectively, which are higher than those of the 90 d biofilm. Based on the results of a microscopic study, the plate-like mineralized gypsum gradually occurs in mortar, the semicircular diameter of the first half of the electrochemical impedance spectrum gradually becomes larger and the inclination angle of the second half of the straight line becomes larger, and some pores in mortar fill with gypsum when the test age increases. Compared to the 30 d test age, the 90 d gypsum content is relatively larger, and the 90 d adhered biofilm dehydrated content of gypsum is 0.248% greater than the 90 d unattached biofilm dehydrated content of gypsum. This indicates that the biofilm formed by sulfur-oxidizing bacteria could have a corrosive deepening effect on mortar.

, authors=Hui RONG1, 2, 3, Jiwei LIU1, Guowei MA3, Hailiang WANG4, Zhihua LIU1, Yong YANG1, Wei SHANG4, authorsList=Hui RONG, Jiwei LIU, Guowei MA, Hailiang WANG, Zhihua LIU, Yong YANG, Wei SHANG, authorCompany=null, correspAuthors=Yong YANG, authorNote=

RONG Hui(1983-), male, Ph. D., Associate Professor. E-mail:

, correspAuthorsNote=
YANG Yong(1975-), male, Master, Lecturer. E-mail:
, 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=1322943282728280132, articleId=1322943282287878210, tenantId=1146029695717560320, journalId=1263187385517883426, language=CN, title=污水环境下硫氧化细菌形成的生物被膜及其对砂浆微观性能的影响, columnId=0, journalTitle=硅酸盐学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

使用电化学阻抗谱、扫描电子显微镜、热分析仪、X射线衍射仪等测试手段研究污水环境下硫氧化细菌形成的生物被膜基本特征及其对砂浆微观性能的影响。结果表明:30 d砂浆表面已经附着成熟的生物被膜,从宏观研究发现生物被膜是透明且含有白色物质的黏稠物,从微观研究发现生物被膜是由棒状硫氧化细菌包裹着胞外聚合物(EPS)形成的一种膜结构;90 d生物被膜厚度、蛋白质含量光密度(OD)值、微生物数量OD值分别比30 d生物被膜厚度、蛋白质OD值、微生物数量OD值低1.59 mm、0.086、1.614,表明90 d砂浆表面生物被膜已经处于解体阶段。随着龄期的增加,砂浆试样电化学阻抗谱前半部分半圆半径逐渐变大且后半部分直线倾斜角度变大,砂浆内部逐渐产生板状的产物石膏,其内部孔隙逐渐被石膏填充。与30 d龄期相比,90 d试样石膏含量相对较多,而且90 d附着生物被膜试样内部石膏脱水含量比90 d未附着生物被膜试样内部石膏脱水含量多0.248%。硫氧化细菌形成的生物被膜对砂浆起到腐蚀加深的作用。

, authors=荣辉1, 2, 3, 刘骥伟1, 马国伟3, 王海良4, 刘志华1, 杨永1, 尚伟4, authorsList=荣辉, 刘骥伟, 马国伟, 王海良, 刘志华, 杨永, 尚伟, authorCompany=null, correspAuthors=杨永, authorNote=

荣辉(1983—),男,博士,副教授。

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杨永(1975—),男,硕士,讲师。
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污水环境下硫氧化细菌形成的生物被膜及其对砂浆微观性能的影响
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荣辉 1, 2, 3 , 刘骥伟 1 , 马国伟 3 , 王海良 4 , 刘志华 1 , 杨永 1 , 尚伟 4
硅酸盐学报 | 2021,49(6): 1230-1237
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硅酸盐学报 | 2021 , 49 (6) : 1230 -1237
污水环境下硫氧化细菌形成的生物被膜及其对砂浆微观性能的影响
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荣辉1, 2, 3 , 刘骥伟1, 马国伟3, 王海良4, 刘志华1, 杨永1 , 尚伟4
作者信息
  • 1.天津城建大学材料科学与工程学院,天津 300384
  • 2.天津市建筑绿色功能材料重点实验室,天津 300384
  • 3.河北工业大学土木与交通工程学院,天津 300401
  • 4.天津城建大学土木工程学院,天津 300384
通讯作者:
杨永(1975—),男,硕士,讲师。
作者简介:

荣辉(1983—),男,博士,副教授。

Biofilm Formed by Sulfur-Oxidizing Bacteria in Sewage and its Effect on Micro-Properties of Mortar
Hui RONG1, 2, 3 , Jiwei LIU1, Guowei MA3, Hailiang WANG4, Zhihua LIU1, Yong YANG1 , Wei SHANG4
Affiliations
  • 1.School of Materials Science and Engineering, Tianjin Chengjian University, Tianjin 300384, China
  • 2.Tianjin Key Laboratory of Building Green Functional Materials, Tianjin Chengjian University, Tianjin 300384, China
  • 3.School of Civil and Transportation Engineering, Hebei University of Technology, Tianjin 300401, China
  • 4.School of Civil Engineering, Tianjin Chengjian University, Tianjin 300384, China
  • Corresponding Author:
    YANG Yong(1975-), male, Master, Lecturer. E-mail:

    RONG Hui(1983-), male, Ph. D., Associate Professor. E-mail:

出版时间: 2021-06-20 doi: 10.14062/j.issn.0454-5648.20200553
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使用电化学阻抗谱、扫描电子显微镜、热分析仪、X射线衍射仪等测试手段研究污水环境下硫氧化细菌形成的生物被膜基本特征及其对砂浆微观性能的影响。结果表明:30 d砂浆表面已经附着成熟的生物被膜,从宏观研究发现生物被膜是透明且含有白色物质的黏稠物,从微观研究发现生物被膜是由棒状硫氧化细菌包裹着胞外聚合物(EPS)形成的一种膜结构;90 d生物被膜厚度、蛋白质含量光密度(OD)值、微生物数量OD值分别比30 d生物被膜厚度、蛋白质OD值、微生物数量OD值低1.59 mm、0.086、1.614,表明90 d砂浆表面生物被膜已经处于解体阶段。随着龄期的增加,砂浆试样电化学阻抗谱前半部分半圆半径逐渐变大且后半部分直线倾斜角度变大,砂浆内部逐渐产生板状的产物石膏,其内部孔隙逐渐被石膏填充。与30 d龄期相比,90 d试样石膏含量相对较多,而且90 d附着生物被膜试样内部石膏脱水含量比90 d未附着生物被膜试样内部石膏脱水含量多0.248%。硫氧化细菌形成的生物被膜对砂浆起到腐蚀加深的作用。

砂浆  /  生物被膜  /  微观性能  /  电化学阻抗谱  /  微生物腐蚀  /  耐久性

Biofilm and the microscopic properties of mortar were investigated by electrochemical impedance spectroscopy, scanning electron microscopy, thermal analysis and X-ray diffraction. The results show that a mature biofilm can be formed on the surface of mortar at 30 d. In a macroscopic study, the biofilm is a transparent and viscous substance containing white matter. In a microscopic study, the biofilm is a film structure formed by rod-shaped sulfur-oxidizing bacteria wrapped with extracellular polymeric substances (EPS). The biofilm on the surface of 90 d mortar is in the disintegration stage. The thickness, protein optical density (OD) value and microorganism number OD value of the 30 d biofilm are 1.59 mm, 0.086, and 1.614, respectively, which are higher than those of the 90 d biofilm. Based on the results of a microscopic study, the plate-like mineralized gypsum gradually occurs in mortar, the semicircular diameter of the first half of the electrochemical impedance spectrum gradually becomes larger and the inclination angle of the second half of the straight line becomes larger, and some pores in mortar fill with gypsum when the test age increases. Compared to the 30 d test age, the 90 d gypsum content is relatively larger, and the 90 d adhered biofilm dehydrated content of gypsum is 0.248% greater than the 90 d unattached biofilm dehydrated content of gypsum. This indicates that the biofilm formed by sulfur-oxidizing bacteria could have a corrosive deepening effect on mortar.

mortar  /  biofilm  /  performance  /  electrochemical impedance spectroscopy  /  microbiological corrosion  /  durability
荣辉, 刘骥伟, 马国伟, 王海良, 刘志华, 杨永, 尚伟. 污水环境下硫氧化细菌形成的生物被膜及其对砂浆微观性能的影响. 硅酸盐学报, 2021 , 49 (6) : 1230 -1237 . DOI: 10.14062/j.issn.0454-5648.20200553
Hui RONG, Jiwei LIU, Guowei MA, Hailiang WANG, Zhihua LIU, Yong YANG, Wei SHANG. Biofilm Formed by Sulfur-Oxidizing Bacteria in Sewage and its Effect on Micro-Properties of Mortar[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (6) : 1230 -1237 . DOI: 10.14062/j.issn.0454-5648.20200553
  • 国家自然科学基金项目(51978439; 51708390)
  • 天津市交通运输科技发展计划项目(2018-38)
  • 中国博士后科学基金项目(2019M651000)
  • 天津市轨道交通重大专项项目(18ZXGDGX00050)
  • 天津市重点研发计划科技支撑计划重点项目(20YFZCSN00520)
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2021年第49卷第6期
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doi: 10.14062/j.issn.0454-5648.20200553
  • 接收时间:2020-07-30
  • 首发时间:2026-10-30
  • 出版时间:2021-06-20
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出版历史
  • 收稿日期:2020-07-30
  • 修回日期:2020-08-25
基金
国家自然科学基金项目(51978439; 51708390)
天津市交通运输科技发展计划项目(2018-38)
中国博士后科学基金项目(2019M651000)
天津市轨道交通重大专项项目(18ZXGDGX00050)
天津市重点研发计划科技支撑计划重点项目(20YFZCSN00520)
作者信息
    1.天津城建大学材料科学与工程学院,天津 300384
    2.天津市建筑绿色功能材料重点实验室,天津 300384
    3.河北工业大学土木与交通工程学院,天津 300401
    4.天津城建大学土木工程学院,天津 300384

通讯作者:

杨永(1975—),男,硕士,讲师。
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https://castjournals.cast.org.cn/joweb/gsyxb/CN/10.14062/j.issn.0454-5648.20200553
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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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