Article(id=1319222277149934577, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222240177144549, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20220688, 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=1662048000000, revisedDateStr=2022-09-02, acceptedDate=null, acceptedDateStr=null, onlineDate=1792456700836, onlineDateStr=2026-10-20, pubDate=1674144000000, pubDateStr=2023-01-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792456700836, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792456700836, creator=13701087609, updateTime=1792456700836, 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=194, endPage=203, ext={EN=ArticleExt(id=1319222277556782066, articleId=1319222277149934577, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Selective Catalytic Reduction Activity of MnOx/TiO2 Catalyst Under Impact of Mineral Polarization, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

The low denitration activity and stability of MnOx/TiO2 catalyst are still challenging. In this work, a MnOx/TiO2 catalyst was modified via a polarization effect with tourmaline. Tourmaline with a proper fineness can improve the denitration performance of the catalytic material, obtaining the greater denitration rate above 90% in a wide temperature range and the prolonged high-efficiency denitration time. Based on the results of in-situ Fourier transform infrared spectroscopy, the reaction mechanism of the catalysts before and after modification with tourmaline follows the Langmuir-Hinshelwood mechanism, and tourmaline polarization can accelerate the adsorption rate of reaction gas and generate intermediate products liable for subsequent reaction, thus improving the denitration performance.

, authors=Yizhe HELIAN, Suping CUI, Xiaoyu MA, Yali WANG, Haiying XU, authorsList=Yizhe HELIAN, Suping CUI, Xiaoyu MA, Yali WANG, Haiying XU, authorCompany=null, correspAuthors=Suping CUI, authorNote=

HELIAN Yizhe (1995-), male, Ph.D. E-mail:

, correspAuthorsNote=
Cui Suping (1964-), female, Ph.D., Professor. E-mail:
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MnOx/TiO2催化剂的低温脱硝活性和稳定性是目前具有挑战性的研究方向。采用矿物极化效应对MnOx/TiO2催化剂进行了改性研究。适当细度的电气石对催化材料的脱硝性能有明显的改善,在较宽的温度范围内脱硝效率保持在90%以上,并延长了较高脱硝效率的持续时间。原位漫反射红外光谱分析结果表明,改性前后的催化剂遵循Langmuir-Hinshelwood机理,电气石极化可以加快反应气体的吸附速率,生成易于参与到后续反应的中间产物,从而提高脱硝性能。

, authors=赫连一哲, 崔素萍, 马晓宇, 王亚丽, 徐海英, authorsList=赫连一哲, 崔素萍, 马晓宇, 王亚丽, 徐海英, authorCompany=null, correspAuthors=崔素萍, authorNote=

赫连一哲(1995—),男,博士。

, correspAuthorsNote=
崔素萍(1964—),女,博士,教授。
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矿物极化效应影响下MnOx/TiO2催化剂SCR活性
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赫连一哲 , 崔素萍 , 马晓宇 , 王亚丽 , 徐海英
硅酸盐学报 | 研究论文 2023,51(1): 194-203
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硅酸盐学报 |研究论文 2023 , 51 (1) : 194 -203
矿物极化效应影响下MnOx/TiO2催化剂SCR活性
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赫连一哲 , 崔素萍 , 马晓宇, 王亚丽, 徐海英
作者信息
  • 北京工业大学材料与制造学部,北京 100124
通讯作者:
崔素萍(1964—),女,博士,教授。
作者简介:

赫连一哲(1995—),男,博士。

Selective Catalytic Reduction Activity of MnOx/TiO2 Catalyst Under Impact of Mineral Polarization
Yizhe HELIAN , Suping CUI , Xiaoyu MA, Yali WANG, Haiying XU
Affiliations
  • Divison of Materials and Manufacturing, Beijing University of Technology, Beijing 100124, China
  • Corresponding Author:
    Cui Suping (1964-), female, Ph.D., Professor. E-mail:

    HELIAN Yizhe (1995-), male, Ph.D. E-mail:

出版时间: 2023-01-20 doi: 10.14062/j.issn.0454-5648.20220688
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MnOx/TiO2催化剂的低温脱硝活性和稳定性是目前具有挑战性的研究方向。采用矿物极化效应对MnOx/TiO2催化剂进行了改性研究。适当细度的电气石对催化材料的脱硝性能有明显的改善,在较宽的温度范围内脱硝效率保持在90%以上,并延长了较高脱硝效率的持续时间。原位漫反射红外光谱分析结果表明,改性前后的催化剂遵循Langmuir-Hinshelwood机理,电气石极化可以加快反应气体的吸附速率,生成易于参与到后续反应的中间产物,从而提高脱硝性能。

催化剂  /  矿物极化效应  /  原位漫反射红外光谱  /  Langmuir-Hinshelwood机理

The low denitration activity and stability of MnOx/TiO2 catalyst are still challenging. In this work, a MnOx/TiO2 catalyst was modified via a polarization effect with tourmaline. Tourmaline with a proper fineness can improve the denitration performance of the catalytic material, obtaining the greater denitration rate above 90% in a wide temperature range and the prolonged high-efficiency denitration time. Based on the results of in-situ Fourier transform infrared spectroscopy, the reaction mechanism of the catalysts before and after modification with tourmaline follows the Langmuir-Hinshelwood mechanism, and tourmaline polarization can accelerate the adsorption rate of reaction gas and generate intermediate products liable for subsequent reaction, thus improving the denitration performance.

catalyst  /  mineral polarization  /  diffuse reflectance infrared Fourier transform spectroscopy  /  Langmuir-Hinshelwood mechanism
赫连一哲, 崔素萍, 马晓宇, 王亚丽, 徐海英. 矿物极化效应影响下MnOx/TiO2催化剂SCR活性. 硅酸盐学报, 2023 , 51 (1) : 194 -203 . DOI: 10.14062/j.issn.0454-5648.20220688
Yizhe HELIAN, Suping CUI, Xiaoyu MA, Yali WANG, Haiying XU. Selective Catalytic Reduction Activity of MnOx/TiO2 Catalyst Under Impact of Mineral Polarization[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (1) : 194 -203 . DOI: 10.14062/j.issn.0454-5648.20220688
  • 国家自然科学基金(51621003)
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2023年第51卷第1期
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doi: 10.14062/j.issn.0454-5648.20220688
  • 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:2022-09-02
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国家自然科学基金(51621003)
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    北京工业大学材料与制造学部,北京 100124

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崔素萍(1964—),女,博士,教授。
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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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