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Article(id=1322942474666258902, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942446610559222, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20200028, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1578931200000, receivedDateStr=2020-01-14, revisedDate=1592928000000, revisedDateStr=2020-06-24, acceptedDate=null, acceptedDateStr=null, onlineDate=1793343665043, onlineDateStr=2026-10-30, pubDate=1613750400000, pubDateStr=2021-02-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793343665043, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793343665043, creator=13701087609, updateTime=1793343665043, updator=13701087609, issue=Issue{id=1322942446610559222, tenantId=1146029695717560320, journalId=1263187385517883426, year='2021', volume='49', issue='2', pageStart='211', pageEnd='440', issueExtLink='null', onlineDate='null', pubDate='1613750400000', pubDateStr='2021-02-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793343658354, creator='13701087609', updateTime=1793345474672, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322950064863314723, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942446610559222, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322950064863314724, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942446610559222, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=365, endPage=371, ext={EN=ArticleExt(id=1322942474896945623, articleId=1322942474666258902, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Effect of Levulinic Acid Modification on Performance of HZSM-5 Methanol Aromatization Catalyst, columnId=1319726165087077079, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Article, runingTitle=null, highlight=null, articleAbstract=

HZSM-5 zeolite was modified with levulinic acid produced in situ via glucose hydrolysis, and the catalysts were characterized by X-ray diffraction, X-ray fluorescence spectroscopy, N2 adsorption-desorption, scanning electron microscopy, NH3-temperature programmed desorption, Fourier transform infrared spectroscopy and thermal analysis. The catalytic performance was evaluated in a fixed-bed micro reactor. The results show that the modified HZSM-5 catalyst has a microporous-mesoporous structure based on the retaining complete crystal structure, its acid content and acid strength decrease and the ratio of B acid to L acid increases, which are conducive to improving the catalyst longevity, oil yield and total selectivity of benzene, toluene and xylene (BTX). At 410℃, 0.1 MPa and methanol (WHSV) 2.2 h-1, the longevity of modified HZSM-5 catalyst reaches 174 h, the oil phase yield is 23.84%, and total selectivity of BTX is 61.39%. Compared to the unmodified catalyst, the longevity of modified HZSM-5 catalystis increased by 144 h, oil yield is increased by 7.29%, and total selectivity of BTX is increased by 3.42%.

, authors=Jian LI1, Lei CAO1, Lijuan WANG2, Lina YANG1, authorsList=Jian LI, Lei CAO, Lijuan WANG, Lina YANG, authorCompany=null, correspAuthors=Lina YANG, authorNote=

LI Jian (1974-), male, Professor. E-mail:

, correspAuthorsNote=
YANG Lina (1976-), female, Professor. E-mail:
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利用葡萄糖水解原位产生的乙酰丙酸对HZSM-5分子筛进行改性，通过X射线衍射、X射线荧光分析、N2吸附-脱附、扫描电子显微镜、NH3-TPD、Py-Fourier透射红外光谱、热分析等手段对催化剂进行表征，在固定床微型反应器上评价催化性能。结果表明：改性后的HZSM-5在保留完整晶相结构的基础上产生了微孔-介孔结构，酸量和酸强度降低，B酸/L酸值增加，这些变化有利于提高催化剂的寿命、油相收率和苯、甲苯及二甲苯（BTX）的总选择性。在反应温度410℃、反应压力0.1 MPa、质量空速（WHSV） 2.2 h-1的条件下，催化剂寿命达到174 h，油相收率达到23.84%，BTX总选择性达到61.39%。与相同条件下未改性的催化剂相比分别提高了144 h、7.29%和3.42%。

, authors=李剑1, 曹蕾1, 王丽娟2, 杨丽娜1, authorsList=李剑, 曹蕾, 王丽娟, 杨丽娜, authorCompany=null, correspAuthors=杨丽娜, authorNote=

李剑（1974—），男，教授。

, correspAuthorsNote=
杨丽娜（1976—），女，教授。
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LI Jian (1974-), male, Professor. E-mail:

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李剑（1974—），男，教授。

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李剑（1974—），男，教授。

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乙酰丙酸改性对HZSM-5甲醇芳构化催化剂性能的影响
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李剑 1 , 曹蕾 1 , 王丽娟 2 , 杨丽娜 1
硅酸盐学报 | 研究论文 2021,49(2): 365-371
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硅酸盐学报 |研究论文 2021 , 49 (2) : 365 -371
乙酰丙酸改性对HZSM-5甲醇芳构化催化剂性能的影响
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李剑1 , 曹蕾1, 王丽娟2, 杨丽娜1
作者信息
  • 1．辽宁石油化工大学石油化工学院，辽宁 抚顺 113001
  • 2．中国石油化工股份有限公司茂名分公司，广东 茂名 525000
通讯作者:
杨丽娜（1976—），女，教授。
作者简介:

李剑（1974—），男，教授。

Effect of Levulinic Acid Modification on Performance of HZSM-5 Methanol Aromatization Catalyst
Jian LI1 , Lei CAO1, Lijuan WANG2, Lina YANG1
Affiliations
  • 1.School of Petrochemical Engineering, Liaoning Shihua University, Fushun 113001, Liaoning, China
  • 2.Sinopec Maoming Petrochemical Company, Maoming 525000, Guangdong, China
    • Corresponding Author:
    YANG Lina (1976-), female, Professor. E-mail:

    LI Jian (1974-), male, Professor. E-mail:

出版时间: 2021-02-20 doi: 10.14062/j.issn.0454-5648.20200028
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利用葡萄糖水解原位产生的乙酰丙酸对HZSM-5分子筛进行改性，通过X射线衍射、X射线荧光分析、N2吸附-脱附、扫描电子显微镜、NH3-TPD、Py-Fourier透射红外光谱、热分析等手段对催化剂进行表征，在固定床微型反应器上评价催化性能。结果表明：改性后的HZSM-5在保留完整晶相结构的基础上产生了微孔-介孔结构，酸量和酸强度降低，B酸/L酸值增加，这些变化有利于提高催化剂的寿命、油相收率和苯、甲苯及二甲苯（BTX）的总选择性。在反应温度410℃、反应压力0.1 MPa、质量空速（WHSV） 2.2 h-1的条件下，催化剂寿命达到174 h，油相收率达到23.84%，BTX总选择性达到61.39%。与相同条件下未改性的催化剂相比分别提高了144 h、7.29%和3.42%。

分子筛  /  葡萄糖  /  水解  /  乙酰丙酸  /  改性  /  甲醇芳构化  /  催化剂

HZSM-5 zeolite was modified with levulinic acid produced in situ via glucose hydrolysis, and the catalysts were characterized by X-ray diffraction, X-ray fluorescence spectroscopy, N2 adsorption-desorption, scanning electron microscopy, NH3-temperature programmed desorption, Fourier transform infrared spectroscopy and thermal analysis. The catalytic performance was evaluated in a fixed-bed micro reactor. The results show that the modified HZSM-5 catalyst has a microporous-mesoporous structure based on the retaining complete crystal structure, its acid content and acid strength decrease and the ratio of B acid to L acid increases, which are conducive to improving the catalyst longevity, oil yield and total selectivity of benzene, toluene and xylene (BTX). At 410℃, 0.1 MPa and methanol (WHSV) 2.2 h-1, the longevity of modified HZSM-5 catalyst reaches 174 h, the oil phase yield is 23.84%, and total selectivity of BTX is 61.39%. Compared to the unmodified catalyst, the longevity of modified HZSM-5 catalystis increased by 144 h, oil yield is increased by 7.29%, and total selectivity of BTX is increased by 3.42%.

zeolite  /  glucose  /  hydrdysis  /  levulinic acid  /  modification  /  aromatization of methanol  /  catalyst
李剑, 曹蕾, 王丽娟, 杨丽娜. 乙酰丙酸改性对HZSM-5甲醇芳构化催化剂性能的影响. 硅酸盐学报, 2021 , 49 (2) : 365 -371 . DOI: 10.14062/j.issn.0454-5648.20200028
Jian LI, Lei CAO, Lijuan WANG, Lina YANG. Effect of Levulinic Acid Modification on Performance of HZSM-5 Methanol Aromatization Catalyst[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (2) : 365 -371 . DOI: 10.14062/j.issn.0454-5648.20200028
基金
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  • 辽宁省高等学校杰出青年学者成长计划(LJQ2015062)
  • 辽宁省科学技术厅项目(20170540585)
  • 辽宁省教育厅项目(L2015296; L2016018)
  • 抚顺市科技计划项目(FSKJHT201376)
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2021年第49卷第2期
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doi: 10.14062/j.issn.0454-5648.20200028
  • 接收时间：2020-01-14
  • 首发时间：2026-10-30
  • 出版时间：2021-02-20
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  • 收稿日期：2020-01-14
  • 修回日期：2020-06-24
基金
辽宁省高等学校杰出青年学者成长计划(LJQ2015062)
辽宁省科学技术厅项目(20170540585)
辽宁省教育厅项目(L2015296; L2016018)
抚顺市科技计划项目(FSKJHT201376)
作者信息
    1．辽宁石油化工大学石油化工学院，辽宁 抚顺 113001
    2．中国石油化工股份有限公司茂名分公司，广东 茂名 525000

通讯作者:

杨丽娜（1976—），女，教授。
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https://castjournals.cast.org.cn/joweb/gsyxb/CN/10.14062/j.issn.0454-5648.20200028
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2种不同金属材料的力学参数
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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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