Analysis of Urea Solution and Experimental Study for Adaptability of SCR Converter in Vehicular Diesel Engines |
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| Journal | Advanced Materials Research (Volumes 354 - 355) |
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| Volume | Progress in Power and Electrical Engineering |
| Edited by | Hao Zhang, Yang Fu and Zhong Tang |
| Pages | 123-126 |
| DOI | 10.4028/www.scientific.net/AMR.354-355.123 |
| Citation | Qian Wang et al., 2011, Advanced Materials Research, 354-355, 123 |
| Online since | October, 2011 |
| Authors | Qian Wang, Ping Qi, Xiao Jing Han, Ming Xing Zhou |
| Keywords | Crystallization, Diesel Engine, NOx, SCR, Urea Water Solution |
| Abstract | 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. |
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