Analysis of Urea Solution and Experimental Study for Adaptability of SCR Converter in Vehicular Diesel Engines

Abstract:

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In this paper, the Urea-SCR system is first introduced; then change of the urea solution concentration under different temperatures with time lapsing is given. Meanwhile, conditions for the urea crystallization are analyzed and SCR converter adaptability is tested under high sulfur environment on engine test bench. As the efficiency of NOx conversion is not significantly reduced after aging and the activity of the catalyst is very little damaged by dense sulfur content in fuel, SCR catalyst is able to adapt to the application of high-sulfur-contained fuel environment in our country.

Info:

Periodical:

Advanced Materials Research (Volumes 354-355)

Edited by:

Hao Zhang, Yang Fu and Zhong Tang

Pages:

123-126

DOI:

10.4028/www.scientific.net/AMR.354-355.123

Citation:

Q. Wang et al., "Analysis of Urea Solution and Experimental Study for Adaptability of SCR Converter in Vehicular Diesel Engines", Advanced Materials Research, Vols. 354-355, pp. 123-126, 2012

Online since:

October 2011

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Price:

$35.00

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