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分子筛催化器降低稀燃发动机NO_x排放的研究 被引量：2

Study on the Reduction of NO_x Emission by Using Zeolite/Cordierite Monolithic Catalysts in a Lean-Burn Gasoline Engine
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摘要 采用原位合成技术制作的分子筛堇青石整体式催化器,减少稀燃NOx排放.稀燃发动机台架实验结果表明,可采用排气中的HC和CO等还原物质对NOx进行选择还原,排气温度在450℃附近时,NOx转化效率最大达40%,此时HC的转化效率接近60%,而CO基本没有变化. A new catalyst for selective reduction of NOx was investigated. Zeolites were in-situ synthesized on the surface of a honeycomb-shaped cordierite under hydrothermal conditions. Investigations on a lean burn engine indicated that NOx could be removed by using HC and CO in the exhaust gas as reduction agents. When the catalyst was used, the indicated NOx conversion could reach a maximum of 40% at 450°C. The HC conversion was about 60%, whereas the CO was hardly converted.
作者 王天友 关乃佳 刘书亮 李兰冬 李建文 李兴
机构地区 天津大学内燃机燃烧学国家重点实验室 南开大学新催化材料科学研究所
出处 《燃烧科学与技术》 EI CAS CSCD 2004年第3期237-239,共3页 Journal of Combustion Science and Technology
基金 霍英东教育基金优选课题资助项目(94016) 国家自然科学基金重点资助项目(59936130 20233030) 中国博士后基金资助项目(200304322).
关键词 稀燃发动机 分子筛催化器 NOX排放 Catalysts Exhaust gases Gas emissions Gasoline Hydrothermal synthesis Nitrogen oxides Reduction Zeolites
分类号 TK411.5 [动力工程及工程热物理—动力机械及工程]
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参考文献7

  • 1David R, Craing I, Donald D, et al. Evaluation of a Cu/Zeolite catalyst to remove NOx from lean exhaust [A]. In: SAE Paper[C]. 1993,930737.
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  • 5Guan Naijia, Shan Xuelei,Zeng Xiang,et al. In-situ synthesized ZSM-5 on cordierite substrate and NO decomposition on the monolithic catalysts [J]. Stud Surf Sci Catal, 2001,135:1936-1946.
  • 6Guan Naijia, Han Yansong. Monolithic TS-1/cordierite catalyst synthesized by in-situ method [J]. Chem Lett, 2000,9:1084-1085.
  • 7王天友,刘书亮,刘德新,冯洪庆,许洪军,刘文胜.四气门汽油机准均质稀混合气燃烧过程的实验研究[J].燃烧科学与技术,2004,10(2):165-167. 被引量：6

二级参考文献5

  • 1Kaoru Horie,Kazutoshi Nishizawa,Toru Ogawa,et al.The development of a high fuel economy and high performance four-valve lean burn engine[A].In:SAE Paper[C].1992,920455.
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  • 5刘书亮 裴普成 范永健.内燃机燃油的喷射方法[P].中国:98107693.1999-11-03.

共引文献6

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引证文献2

燃烧科学与技术
2004年 第3期

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