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Cu-based small-pore zeolites for deNOx : comparemela.com
Cu-based small-pore zeolites for deNOx
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IMAGE: Matching between the characteristics of Cu2+-exchanged zeolitic catalyst and SCR catalyst requirements. The monolithic catalyst (~ 2.36 cm3) was estimated to have a total gas flow of 1.67 L/min, resulting...
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Credit: ©Science China Press
The diesel engine is the backbone of transportation due to its irreplaceability as the primary power source for the freight, navigation and marine engine industries and non-road engineering machinery for the foreseeable future. However, the control of contaminants from fuel combustion has become an urgent global concern. Nitrogen oxides are the primary pollutants from transportation and can contribute to the formation of haze, photochemical smog and acid rain. Selective catalytic reduction of NOx with ammonia (NH3-SCR) technology has been successfully and commercially applied for controlling pollution from diesel vehicle exhaust. The development of efficient and stable NH3-SCR catalysts has been pursued by scientists in the past decades to meet the complicated operating conditions in these vehicles.
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Yulong Shan
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Yunnan
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Xiaoyan Shi
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Zhejiang
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Chinese
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Wenpo Shan
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Runduo Zhang
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Xiangju Meng
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Yunbo Yu
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University Of Chemical Technology
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National Science
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Chinese Academy Of Sciences
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