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Research Initiation Award: Influence of Microporosity and Surface Basicity on the Reactivity of Novel Aromatization Catalysts

Research Initiation Award: Influence of Microporosity and Surface Basicity on the Reactivity of Novel Aromatization Catalysts
研究启动奖:微孔率和表面碱度对新型芳构化催化剂反应活性的影响
批准号:
9108206
负责人:
Robert Davis
金额:
$6.99万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
1991
资助国家:
美国
项目状态:
已结题
起止时间:
1991-06-15 至 1994-05-31

项目摘要

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中文摘要
翻译
研究了表面碱度和微孔隙率的影响, 正己烷在铂催化剂上转化的载体 研究氧化镁催化剂。 铂簇在 碱性沸石的孔道催化N- 具有高活性和选择性己烷, 发现铂簇在非沸石基片上 氧化物具有相似的活性和选择性, 质疑对这一属性的通常解释。 在这 在研究中,氧化物的组成是系统变化的 改变微孔隙度和表面碱度, 可预测和可衡量的方式。 反应性测量是 用于确定这些结构和 化学变量对铂催化的选择性的影响 芳构化 这项工作试图重新定义负责的因素, 观察到较高选择性。 很明显,这 这种方法应该比以前认为的范围更广, 但范围的界限是未知的。 应用 化学品和燃料的加工数量众多。
英文摘要
The effects of surface basicity and microporosity of the support on the conversion of n-hexane over platinum on magnesia catalysts is examined. Platinum clusters inside the channels of basic zeolites catalyze the aromatization of n- hexane with high activity and selectivity; recently it has been discovered that platinum clusters on a nonzeolitic basic oxide possess similar activity and selectivity, throwing into question the usual explanations for this property. In this study, the composition of the oxide is varied systematically to change both the microporosity and the surface basicity in predictable and measurable ways. Reactivity measurements are used to determine the importance of these structural and chemical variables on the selectivity of platinum-catalyzed aromatization. This work attempts to redefine the factors responsible for the high selectivity observed. It is already clear that this approach should have a broader scope than thought previously, but the limits of the scope are unknown. Applications in processing of chemicals and fuels are numerous.
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REU Site: University of Colorado, Engineering Smart Biomaterials
  • 批准号:
    2348856
  • 项目类别:
    Standard Grant
  • 资助金额:
    $42.72万
  • 财政年份:
    2024
  • 负责人:
    Robert Davis
  • 依托单位:
Wet Particle Collisions
  • 批准号:
    2301910
  • 项目类别:
    Standard Grant
  • 资助金额:
    $37.3万
  • 财政年份:
    2023
  • 负责人:
    Robert Davis
  • 依托单位:
CRREL Engineering and Applied Science Support for Polar Regions
AMPS: Collaborative Research: A convex geometry and homotopy approach for power-flow equations
  • 批准号:
    1922998
  • 项目类别:
    Standard Grant
  • 资助金额:
    $6.97万
  • 财政年份:
    2019
  • 负责人:
    Robert Davis
  • 依托单位:
海外基金