MATEC Web of Conferences
Volume 51, 20162016 International Conference on Mechanical, Manufacturing, Modeling and Mechatronics (IC4M 2016)
|Number of page(s)||6|
|Section||Chapter 3: Experimental and Empirical Studies in Mechanical and Manufacturing Engineering|
|Published online||06 April 2016|
Component Analysis of Deposits in Selective Catalytic Reduction System for Automotive Diesel Engine
Key Laboratory of High Performance Ship of Ministry of Education, Wuhan University of Technology, Wuhan, China
a Corresponding author: email@example.com
In this paper, deposits in exhaust pipes for automotive diesel engines were studied by various chemical analysis methods and a kind of analysis process to determine the compositions of organic matter was proposed. Firstly, the elements of the deposits were determined through the element analysis method. Then using characteristic absorption properties of organic functional groups to the infrared spectrum, the functional groups in the deposits were determined. Finally, by GC-MS (gas chromatography - mass spectrometry) test, the content of each main component was determined quantitatively. Element analysis results indicated that the deposits adsorbed metal impurities from fuel oil, lubricating oil, mechanical wear and urea water solution. The result of GC-MS test showed that the area percentage of cyanuric acid was the biggest (about 85%), the second was urea (about 4%), and the content of biuret and biurea was scarce.
© Owned by the authors, published by EDP Sciences, 2016
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