Analytical electron microscopy of bimetallic catalysts. Final report

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The report summarizes the accomplishments, publications, and reception of this program in the catalyst and microanalytical communities. Initially the research covered a wide range of catalysts, but later in the program, the author prepared and optimized a highly active catalyst for low-temperature NO abatement in fossil fuel power plants. During the course of the program, several innovations in microanalytical instrumentation and technique were developed specifically for analysis of catalytic nanoparticles. New designs for improved nanoparticle elemental sensitivity were proposed and accepted by the manufacture of Lehigh`s new VG /HB-603 analytical electron microscope. New tests for assessing elemental sensitivity have been ... continued below

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12 p.

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Lyman, C.E. September 7, 1998.

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Description

The report summarizes the accomplishments, publications, and reception of this program in the catalyst and microanalytical communities. Initially the research covered a wide range of catalysts, but later in the program, the author prepared and optimized a highly active catalyst for low-temperature NO abatement in fossil fuel power plants. During the course of the program, several innovations in microanalytical instrumentation and technique were developed specifically for analysis of catalytic nanoparticles. New designs for improved nanoparticle elemental sensitivity were proposed and accepted by the manufacture of Lehigh`s new VG /HB-603 analytical electron microscope. New tests for assessing elemental sensitivity have been devised and used to encourage the manufacturer to build the most sensitive analytical electron microscope in the world. Accomplishments summarized for the 1986--1990 period include: Quantitative measurements of noble metal distributions in alumina monoliths; Direct elemental imaging of small metal particles poisoned by sulfur: Analysis of surface species on Co/La/alumina catalyst; and Development of analytical electron microscopy methods. Accomplishments for the 1991--1993 period include: Catalytic testing facility for the electron microscopy lab; New scheme for immobilization of surface species for AEM analysis; and New method for electron probe microanalysis of porous materials. Accomplishments for the 1994--1998 period were: successful low-temperature NO reduction using a new Pt-Rh alloy catalyst; Composition size diagrams to identify active catalysts; Observation of phase separation in Pt-Rh at 300 C; Observation of surface segregation in Pt-rich nanoparticles; CO oxidation over Pt-Rh catalyst; Sulfur poisoning characteristics; Commercial development of NO catalysts; and Analysis of sub-1-nm particles in Pt-Re reforming catalysts.

Physical Description

12 p.

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OSTI as DE99000068

Medium: P; Size: 12 p.

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  • Other Information: PBD: 7 Sep 1998

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  • Other: DE99000068
  • Report No.: DOE/ER/45269--T4
  • Grant Number: FG02-86ER45269
  • DOI: 10.2172/665937 | External Link
  • Office of Scientific & Technical Information Report Number: 665937
  • Archival Resource Key: ark:/67531/metadc703410

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Creation Date

  • September 7, 1998

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • April 6, 2017, 8:24 p.m.

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Lyman, C.E. Analytical electron microscopy of bimetallic catalysts. Final report, report, September 7, 1998; United States. (digital.library.unt.edu/ark:/67531/metadc703410/: accessed October 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.