氨燃料发动机废气净化的催化方法

IF 3.9 3区 化学 Q2 CHEMISTRY, PHYSICAL
ChemCatChem Pub Date : 2025-08-15 DOI:10.1002/cctc.202500768
Prof.Dr. Lucjan Chmielarz
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引用次数: 0

摘要

氨是一种潜在的发动机燃料。氨的燃烧不会导致COx的形成,因此,氨可以被归类为可持续燃料。另一方面,在这种情况下,废气可能含有大量未燃烧的氨和氮氧化物(包括N2O)作为污染物。分析和讨论了可能用于废气净化的催化系统的问题,主要是关于NOx, N2O和氨转化的催化过程的应用。比较了不同类型的催化剂在废气温度和成分等条件下的运行情况,提出了最有前途的催化体系。会议主要关注纯氨作为燃料的使用,尽管也提出和讨论了与混合燃料燃烧有关的一些问题,如氨-碳氢燃料以及氨-氢(氨催化分解得到的H2)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Catalytic Methods for Purification of Exhaust Gases Produced by Ammonia-Fueled Engines

Catalytic Methods for Purification of Exhaust Gases Produced by Ammonia-Fueled Engines

Catalytic Methods for Purification of Exhaust Gases Produced by Ammonia-Fueled Engines

Catalytic Methods for Purification of Exhaust Gases Produced by Ammonia-Fueled Engines

Ammonia is a potential fuel for use in engines. Burning of ammonia does not result in the COx formation, and therefore, ammonia could be classified as a sustainable fuel. On the other hand, in this case, exhaust gases may contain significant amounts of unburned ammonia and nitrogen oxides (including N2O) as pollutants. The problem of the possible catalytic systems for exhaust gases purification is analyzed and discussed, mainly with respect to the application of catalytic processes for NOx, N2O, and ammonia conversions. The various types of catalysts operating under condtions of exhaust gases (e.g., temperature and composition) were compared and the most promissing catalytic systems were proposed. Attention was mainly focused on the use of pure ammonia as a fuel, although some issues relating to the combustion of mixed fuels, such as ammonia - hydrocarbon fuels as well as ammonia - hydrogen (H2 obtained by catalytic decomposition of ammonia) were also presented and discussed.

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来源期刊
ChemCatChem
ChemCatChem 化学-物理化学
CiteScore
8.10
自引率
4.40%
发文量
511
审稿时长
1.3 months
期刊介绍: With an impact factor of 4.495 (2018), ChemCatChem is one of the premier journals in the field of catalysis. The journal provides primary research papers and critical secondary information on heterogeneous, homogeneous and bio- and nanocatalysis. The journal is well placed to strengthen cross-communication within between these communities. Its authors and readers come from academia, the chemical industry, and government laboratories across the world. It is published on behalf of Chemistry Europe, an association of 16 European chemical societies, and is supported by the German Catalysis Society.
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