国家教育部博士点基金(20070610026)

作品数:18被引量:67H指数:6
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相关作者:陈耀强龚茂初史忠华姚艳玲赵明更多>>
相关机构:四川大学天津大学更多>>
相关期刊:《Chinese Journal of Catalysis》《高等学校化学学报》《Journal of Rare Earths》《无机材料学报》更多>>
相关主题:ALZRO密偶催化剂CEO丙烷更多>>
相关领域:理学化学工程交通运输工程机械工程更多>>
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掺杂不同量Nd_2O_3对CeO_2-ZrO_2-Al_2O_3材料性能的影响被引量:2
《无机材料学报》2012年第11期1138-1144,共7页彭娜 陈山虎 周菊发 陈耀强 龚茂初 
国家自然科学基金重点项目(20773090,20803049);教育部博士点基金(20070610026,200806100009)~~
采用共沉淀法制备了一系列Nd2O3含量为0~13wt%的CeO2-ZrO2-A12O3(CZA)复合氧化物,并通过X射线衍射(XRD)、低温N2吸附–脱附、氧脉冲吸附(OSC)、H2–程序升温还原(H2-TPR)及扫描电子显微镜(SEM)等方法对所制备的材料进行了表征.研究结...
关键词:CeO2-ZrO2-A12O3 织构性能 氧化还原性能 
两步沉淀法制备耐高温和优异还原性能CeO_2材料(英文)被引量:2
《无机化学学报》2012年第5期1001-1008,共8页陈山虎 闫朝阳 曹毅 兰丽 赵明 龚茂初 陈耀强 
国家自然科学基金(No.20803049);教育部博士点新教师基金(No.20070610026)资助项目
分别采用两种沉淀方法制备了CeO2:以传统的氨水为沉淀剂,在氨水沉淀法前引入碳铵沉淀步骤(两步沉淀法)。采用热重-差热(TG-DTA)、傅里叶变换红外(FTIR)、X光电子能谱(XPS)等手段对沉淀及其分解过程进行了研究。结果表明,在两步沉淀法中...
关键词:两步沉淀法 传统沉淀法 耐高温 氧化还原性能 
Synthesis of neodymium modified CeO_2-ZrO_2-Al_2O_3 support materials and their application in Pd-only three-way catalysts被引量:5
《Journal of Rare Earths》2012年第4期342-349,共8页彭娜 周菊发 陈山虎 罗秀超 陈耀强 龚茂初 
Project supported by National Natural Science Foundation of China (20773090, 20803049);the Specialized Research Fund for the Doctoral Program of Higher Education (20070610026, 200806100009)
Ce-Zr-Al-Nd2O3 (CZAN) support materials were prepared by co-precipitation and impregnation methods, respectively. They were characterized by X-ray diffTaction (XRD), low temperature nitrogen adsorption-desorption,...
关键词:CeO2-ZrO2-Al2O3 support materials ND2O3 Ce-O-Nd bonds Pd-only three-way catalysts redox property rare earths 
碱土金属对ZrO_2-Al_2O_3及其负载Pd-Rh密偶催化剂的影响(英文)被引量:2
《物理化学学报》2011年第5期1157-1162,共6页何胜楠 崔亚娟 姚艳玲 方瑞梅 史忠华 龚茂初 陈耀强 
supported by the National Natural Science Foundation of China(20773090,20803049);Specialized Research Fund for the Doctoral Program of Higher Education,China(20070610026)~~
采用胶溶法制备了一系列碱土金属改性的ZrO2-Al2O3,并以其为载体采用等体积浸渍法制备了Pd-Rh密偶催化剂.采用低温N2吸附-脱附、X射线衍射(XRD)、氨气程序升温脱附(NH3-TPD)对载体样品进行了表征.结果表明,碱土金属的添加增大了ZrO2-Al...
关键词:碱土金属 ZRO2-AL2O3 Pd-Rh 密偶催化剂 丙烷 
La2O3对Pd密偶催化剂性能的影响(英文)被引量:6
《催化学报》2011年第4期589-594,共6页姚艳玲 方瑞梅 史忠华 龚茂初 陈耀强 
supported by the National Natural Science Foundation of China(20773090,20803049);the Specialized Research Fund for the Doctoral Program of Higher Education(20070610026)~~
采用浸渍法制备了不同La2O3含量的Pd密偶催化剂.使用低温N2吸附-脱附、X射线衍射、H2程序升温还原、CO化学吸附和X射线光电子能谱等技术考察了La2O3对催化剂性能的影响.模拟汽车尾气条件考察了催化剂上丙烷的转化活性.活性测试结果表明,...
关键词:氧化镧  丙烷 密偶催化剂 热稳定性 
BaO含量对Ba改性Al_2O_3及其负载的Pt-Rh密偶催化剂性能的影响被引量:4
《催化学报》2011年第3期502-507,共6页姚艳玲 何胜楠 史忠华 龚茂初 陈耀强 
国家自然科学基金(20773090;20803049);高等学校博士学科点专项科研基金(20070610026)
采用胶溶法制备了不同BaO含量的Ba改性的Al2O3样品(Ba-Al2O3).采用低温N2吸附-脱附、X射线衍射和氨程序升温脱附对样品进行了表征.结果表明,BaO的添加量为8%时,Ba-Al2O3样品具有最佳的织构性质、最大的表面酸量和最强的表面酸性;经1273...
关键词:氧化铝 氧化钡   密偶催化剂 热稳定性 丙烷 
Preparation and investigation of Ce_(0.4)Zr_(0.5–x)Y_(0.1)Mn_xO_2 oxygen-storage materials
《Journal of Rare Earths》2010年第2期260-264,共5页赵明 姚艳玲 王海容 刘志敏 龚茂初 陈耀强 
supported by the National High Technology Research and Development Program of China (863 Program,2006AA06Z347);the Specialized Research Fund for the Doctoral Program of Higher Education (20070610026)
A series of Ce0.4Zr0.5-xY0.1MnxO2(0
关键词:ceria-zirconia solid solution MANGANESE TEXTURE structure rare earths 
Effects of ceria/zirconia ratio on properties of mixed CeO_2-ZrO_2-Al_2O_3 compound被引量:4
《Journal of Rare Earths》2010年第1期79-83,共5页李红梅 祝清超 李移乐 龚茂初 陈永东 王健礼 陈耀强 
supported by the National Natural Science Foundation of China (20773090, 20803049);the National High Technology Research and Development Program of China (863 Program,2006AA06Z347);the Specialized Research Fund for the Doctoral Program of Higher Education (20070610026)
A series of CexZr0.50-xAl0.50O1.75(0.05≤x≤0.45) mixed oxides with different Ce/Zr ratio were prepared by co-precipitation method and characterized by means of X-ray diffraction(XRD),Brunauer-Emmet Teller method(BET)...
关键词:oxygen storage material thermal stability CO-PRECIPITATION oxygen storage capacity(OSC) Ce atom utilization ratio rare earths 
共沉淀法制备的CeO2-ZrO2-Al2O3材料及性能被引量:10
《高等学校化学学报》2009年第12期2484-2486,共3页李红梅 周菊发 祝清超 曾少华 魏振玲 陈耀强 龚茂初 
国家自然科学基金(批准号:20773090);国家“八六三”计划项目(批准号:2006AA06Z347);博士点基金(批准号:20070610026)资助
CeO2-based oxygen materials were prepared with co-precipitation method and characterized via Brunauer-Emmet Teller(BET)method,X-ray diffraction(XRD)and temperature-programmed reduction(H2-TPR).This paper revealed that...
关键词:CeO2-ZrO2-Al2O3 共沉淀法 热稳定性能 结构性能 固溶体 
CeO_2-ZrO_2-La_2O_3-Al_2O_3 composite oxide and its supported palladium catalyst for the treatment of exhaust of natural gas engined vehicles被引量:4
《Journal of Natural Gas Chemistry》2009年第2期139-144,共6页Xiaoyu Zhang Enyan,Long Yile Li Jiaxiu Guo Lijuan Zhang Maochu Gong Minghua Wang Yaoqiang Chen 
supported by the National Natural Science Foundation of China (No. 20773090, 20803049);the National High Technology Researchand Development Program of China (863 Program, No. 2006AA06Z347);the Specialized Research Fund for the Doctoral Program of Higher Education(20070610026)
Composite supports CeO2-ZrO2-Al2O3(CZA) and CeO2-ZrO2-Al2O3-La2O3(CZALa) were prepared by co-precipitation method. Palladium catalysts were prepared by impregnation and their purification ability for CH4, CO and N...
关键词:Pd catalysts natural gas vehicles exhaust methane oxidation NOx conversion CeO2-ZrO2-Al2O3 LA2O3 
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