制备方法对CuO-Ce0.7Zr0.3O2催化剂的氧缺位和CO氧化活性的影响
제비방법대CuO-Ce0.7Zr0.3O2최화제적양결위화CO양화활성적영향
Effect of Preparation Method on Catalytic Activity of CO Oxidation over CuO-Ce0.7Zr0.3O2 Catalysts
  • 万方数据
    分子催化 분자최화
    JOURNAL OF MOLECULAR CATALYSIS(CHINA)
    2008年 5期 429-433 ,共5页

    洪庆红%宋宇鹏%贾爱平%普志英%罗孟飞

    홍경홍%송우붕%가애평%보지영%라맹비

    CuO-Ce0.7Zr0.3O2催化剂%分散度%氧缺位%CO氧化 CuO-Ce0.7Zr0.3O2催化劑%分散度%氧缺位%CO氧化
    CuO-Ce0.7Zr0.3O2최화제%분산도%양결위%CO양화
    采用溶胶-凝胶法和溶胶-凝胶+浸渍法两种方法制备了CuO-Ce0.7Zr0.3O2催化剂,并对催化剂进行了XRD、Raman等表征,考察了催化剂的CO氧化性能.研究结果表明,溶胶-凝胶法制备的CuO-Ce0.7Zr0.3O2催化剂的CO氧化活性明显高于溶胶-凝胶+浸渍法制备的CuO/Ce0.7Zr0.3O2催化剂,CuO-Ce0.7Zr0.3O2催化剂容易形成氧缺位和表面高分散CuO的颗粒较大,从而提高催化活性.
    채용용효-응효법화용효-응효+침지법량충방법제비료CuO-Ce0.7Zr0.3O2최화제,병대최화제진행료XRD、Raman등표정,고찰료최화제적CO양화성능.연구결과표명,용효-응효법제비적CuO-Ce0.7Zr0.3O2최화제적CO양화활성명현고우용효-응효+침지법제비적CuO/Ce0.7Zr0.3O2최화제,CuO-Ce0.7Zr0.3O2최화제용역형성양결위화표면고분산CuO적과립교대,종이제고최화활성.
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