应用一种新的基于色彩检测的方法,用于快速并行选DeNO(x) 催化剂
Oliver M Busch1, Christian Hoffmann, Thorsten R F Johann
1Max-Planck-Institut für Kohlenforschung, Mülheim an der Ruhr, Germany.
Journal of the American Chemical Society
|November 7, 2002
概括
一种基于颜色的新型检测方法快速选固体催化剂. 这项技术确定了一种有前途的新型NOx储存催化剂,用于控制排放.
科学领域:
- 催化剂是一种催化剂.
- 材料科学 材料科学 材料科学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 开发高效的催化剂对于环境保护和工业过程至关重要.
- 选固体催化剂进行NOx减排等反应往往是耗时的.
- 需要新的检测方法来快速评估催化剂.
研究的目的:
- 开发一种快速并行检测方法,用于选固体催化剂.
- 应用这种方法来研究氧化 (NOx) 的分解和还原.
- 为了发现新的NOx储存催化剂.
主要方法:
- 使用有机染料 (例如,ABTS) 改变颜色以应对反应剂或产品的色度检测方法.
- 混合金属氧化物催化剂的合成,通过浸活性炭,然后进行燃烧.
- 同时对催化剂库进行选,并在流量测试装置中对有前途的候选者的详细性能评估.
主要成果:
- 一种利用2.2'-azinobis(3-ethylbenzthiazoline-6-sulfonic acid) (ABTS) 染料的颜色变化检测一氧化 (NO) 的新方法.
- 混合金属氧化物催化剂库的成功合成和选.
- 确定DeNO(x) 反应的高活性催化剂,包括一个有前途的新型NOx储存催化剂.
结论:
- 开发的色度检测方法为I阶段催化剂选提供了快速有效的方法.
- 使用所述方法合成的混合金属氧化物显示出对NOx减排具有显著的催化活性.
- 发现了一种新的氧化储存催化剂,有可能用于排放控制应用.
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