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The size of Pt nanoparticles exerts a significant influence on the catalytic degradation performance of Pt-based supported catalysts for the treatment of volatile organic compounds (VOCs, volatile organic chemicals). Herein, uniform Pt nanoparticles were successfully fabricated via liquid phase reduction method and followed deposited on Al2O3 through in-situ growth method. It had to noted that the loaded Pt nanoparticles with different sizes had no effect on the textural properties, morphologies and the dispersion of Pt species, etc. The conversion activity of toluene and ethyl acetate were increased with the decline of Pt nanoparticles size. It could be explained by the enhanced interaction between Pt and Al2O3 with the decreased Pt size (18nm vs 6nm). Partial electrons could be transformed from Pt to Al2O3 to improve the contents of Pt2+(13% vs 36%), in the meantime, the amounts of active oxygen species (Oads) also increased (32% vs 80%). Fortunately, the synergistic effect between Pt2+ and Oads boosted the redox of Pt/Al2O3 as well as the catalytic performance of toluene (216℃ vs 178℃) and ethyl acetate degradation (312℃ vs 258℃). The results will provide theoretical direction for the design of highly active supported Pt-based catalysts.

, authors=Guo-zhong SHI1, Xiao-li WEI2, Xiang-dong FENG1, Fang-ke ZHA2, Yi-fan YU1, Zhi-chao PI2, Xian-hao WU1, Han-feng LU2, *, authorsList=Guo-zhong SHI, Xiao-li WEI, Xiang-dong FENG, Fang-ke ZHA, Yi-fan YU, Zhi-chao PI, Xian-hao WU, Han-feng LU, authorCompany=null, correspAuthors=Han-feng LU, 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=1314922209458610806, articleId=1314922208959488628, tenantId=1146029695717560320, journalId=1234093305789726721, language=CN, title=Pt纳米粒子尺寸对Pt/Al2O3催化氧化甲苯及乙酸乙酯性能的影响, columnId=1234106388364981004, journalTitle=中国环境科学, columnName=大气污染与控制, runingTitle=null, highlight=null, articleAbstract=

Pt纳米粒子尺寸对Pt基负载型催化剂用于处理催化挥发性有机化合物降解性能具有重要影响.通过液相还原法成功制备出尺寸均一的Pt纳米粒子(6,10,18nm),并采用原位沉积法将其负载到Al2O3载体上.结果表明,制备的系列Pt/Al2O3催化剂的织构性质、形貌、Pt纳米粒子分散性等性质均保持近似.甲苯和乙酸乙酯的催化燃烧性能均随着Pt纳米粒子尺寸的降低而增强.随着Pt纳米粒子尺寸的降低(18nm vs 6nm),Pt与Al2O3的相互作用增强,部分电子由Pt转移至载体上,增加了Pt2+含量(13% vs 36%),同时增加了载体活性吸附氧物种的含量(32% vs 80%),二者的协同作用增强了Pt/Al2O3催化剂的氧化还原性能,进而促进了甲苯(216℃ vs 178℃)和乙酸乙酯(312℃ vs 258℃)的降解性能.

, authors=施国忠1, 韦小丽2, 冯向东1, 查芳柯2, 余一凡1, 皮志超2, 吴贤豪1, 卢晗锋2, *, authorsList=施国忠, 韦小丽, 冯向东, 查芳柯, 余一凡, 皮志超, 吴贤豪, 卢晗锋, authorCompany=null, correspAuthors=卢晗锋, authorNote=

施国忠(1985-),男,浙江湖州人,工程师,硕士,研究方向为环境催化、工业废水.发表论文5篇..

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* 责任作者,教授,
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施国忠(1985-),男,浙江湖州人,工程师,硕士,研究方向为环境催化、工业废水.发表论文5篇..

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施国忠(1985-),男,浙江湖州人,工程师,硕士,研究方向为环境催化、工业废水.发表论文5篇..

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Pt纳米粒子尺寸对Pt/Al2O3催化氧化甲苯及乙酸乙酯性能的影响
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施国忠 1 , 韦小丽 2 , 冯向东 1 , 查芳柯 2 , 余一凡 1 , 皮志超 2 , 吴贤豪 1 , 卢晗锋 2, *
中国环境科学 | 大气污染与控制 2026,46(2): 689-697
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中国环境科学 |大气污染与控制 2026 , 46 (2) : 689 -697
Pt纳米粒子尺寸对Pt/Al2O3催化氧化甲苯及乙酸乙酯性能的影响
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施国忠(1985-),男,浙江湖州人,工程师,硕士,研究方向为环境催化、工业废水.发表论文5篇..

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施国忠(1985-),男,浙江湖州人,工程师,硕士,研究方向为环境催化、工业废水.发表论文5篇..

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施国忠1 , 韦小丽2, 冯向东1, 查芳柯2, 余一凡1, 皮志超2, 吴贤豪1, 卢晗锋2, *
作者信息
  • 1.浙江省火力发电高效节能与污染物控制技术研究重点实验室,浙江浙能技术研究院有限公司,浙江 杭州 311100
  • 2.浙江工业大学化学工程学院,绿色化学合成与转化技术全国重点实验室,催化反应工程研究所,浙江 杭州 310014
通讯作者:
* 责任作者,教授,
作者简介:

施国忠(1985-),男,浙江湖州人,工程师,硕士,研究方向为环境催化、工业废水.发表论文5篇..

Size effect of Pt nanoparticles over Pt/Al2O3 on catalytic oxidation of toluene and ethyl acetate
Guo-zhong SHI1 , Xiao-li WEI2, Xiang-dong FENG1, Fang-ke ZHA2, Yi-fan YU1, Zhi-chao PI2, Xian-hao WU1, Han-feng LU2, *
Affiliations
  • 1.Zhejiang Key Laboratory of Energy Conservation & Pollutant Control Technology for Thermal Power, Zhejiang Energy R & D Institute Co., Ltd., Hangzhou 311100, China
  • 2.Institute of Catalytic Reaction Engineering, State Key Laboratory of Green Chemical Synthesis and Conversion, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
出版时间: 2026-02-20
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Pt纳米粒子尺寸对Pt基负载型催化剂用于处理催化挥发性有机化合物降解性能具有重要影响.通过液相还原法成功制备出尺寸均一的Pt纳米粒子(6,10,18nm),并采用原位沉积法将其负载到Al2O3载体上.结果表明,制备的系列Pt/Al2O3催化剂的织构性质、形貌、Pt纳米粒子分散性等性质均保持近似.甲苯和乙酸乙酯的催化燃烧性能均随着Pt纳米粒子尺寸的降低而增强.随着Pt纳米粒子尺寸的降低(18nm vs 6nm),Pt与Al2O3的相互作用增强,部分电子由Pt转移至载体上,增加了Pt2+含量(13% vs 36%),同时增加了载体活性吸附氧物种的含量(32% vs 80%),二者的协同作用增强了Pt/Al2O3催化剂的氧化还原性能,进而促进了甲苯(216℃ vs 178℃)和乙酸乙酯(312℃ vs 258℃)的降解性能.

催化氧化  /  挥发性有机化合物  /  Pt纳米粒子  /  表面物种  /  氧化还原性能

The size of Pt nanoparticles exerts a significant influence on the catalytic degradation performance of Pt-based supported catalysts for the treatment of volatile organic compounds (VOCs, volatile organic chemicals). Herein, uniform Pt nanoparticles were successfully fabricated via liquid phase reduction method and followed deposited on Al2O3 through in-situ growth method. It had to noted that the loaded Pt nanoparticles with different sizes had no effect on the textural properties, morphologies and the dispersion of Pt species, etc. The conversion activity of toluene and ethyl acetate were increased with the decline of Pt nanoparticles size. It could be explained by the enhanced interaction between Pt and Al2O3 with the decreased Pt size (18nm vs 6nm). Partial electrons could be transformed from Pt to Al2O3 to improve the contents of Pt2+(13% vs 36%), in the meantime, the amounts of active oxygen species (Oads) also increased (32% vs 80%). Fortunately, the synergistic effect between Pt2+ and Oads boosted the redox of Pt/Al2O3 as well as the catalytic performance of toluene (216℃ vs 178℃) and ethyl acetate degradation (312℃ vs 258℃). The results will provide theoretical direction for the design of highly active supported Pt-based catalysts.

catalytic oxidation  /  VOCs  /  Pt nanoparticles  /  surface species  /  redox properties
施国忠, 韦小丽, 冯向东, 查芳柯, 余一凡, 皮志超, 吴贤豪, 卢晗锋. Pt纳米粒子尺寸对Pt/Al2O3催化氧化甲苯及乙酸乙酯性能的影响. 中国环境科学, 2026 , 46 (2) : 689 -697 .
Guo-zhong SHI, Xiao-li WEI, Xiang-dong FENG, Fang-ke ZHA, Yi-fan YU, Zhi-chao PI, Xian-hao WU, Han-feng LU. Size effect of Pt nanoparticles over Pt/Al2O3 on catalytic oxidation of toluene and ethyl acetate[J]. China Environmental Science, 2026 , 46 (2) : 689 -697 .
  • 浙江能源集团科技项目(ZERD-KJ-2023-003)
  • 浙江省基础公益技术项目(LTGS24E080008)
  • 浙江省尖兵领雁项目(2023C03127)
  • 国家重点研发项目(2022YFC3702003)
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  • 接收时间:2025-07-11
  • 首发时间:2026-10-08
  • 出版时间:2026-02-20
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  • 收稿日期:2025-07-11
基金
浙江能源集团科技项目(ZERD-KJ-2023-003)
浙江省基础公益技术项目(LTGS24E080008)
浙江省尖兵领雁项目(2023C03127)
国家重点研发项目(2022YFC3702003)
作者信息
    1.浙江省火力发电高效节能与污染物控制技术研究重点实验室,浙江浙能技术研究院有限公司,浙江 杭州 311100
    2.浙江工业大学化学工程学院,绿色化学合成与转化技术全国重点实验室,催化反应工程研究所,浙江 杭州 310014

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2种不同金属材料的力学参数
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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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