The article mainly introduces the existing mechanism of denitration with plasma catalysis and the existing catalysts .Through the study on mechanism of denitration and the selection of catalysts ,the article finds that some denitration catalysts having better effect of denitration can remove at least 90% of NOx ,such as supported catalyst Al2O3 and molecular sieve based catalysts (ZSM -5) ,etc .However ,the article finds some research gaps and proposes the research direction of denitration with plasma catalysis in future .%主要描述了现有等离子体催化脱硝的机理和现有催化剂的种类，通过对脱硝机理的研究和催化剂的选择，发现了其中的一些具有较好的脱硝效果的催化剂如Al2 O3负载型催化剂、分子筛催化剂（ZSM －5）等，有的甚至能达到90％以上，针对研究中发现有些方面还是空白，提出了未来等离子体催化联合脱硝的研究方向。
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