A review of studies using hydrocarbon adsorption material for reducing hydrocarbon emissions from cold start of gasoline engine

Dandan Han, Jiaqiang E, Yuanwang Deng, Jingwei Chen, Erwei Leng, Gaoliang Liao, Xiaohuan Zhao, Changling Feng and Feng Zhang

Renewable and Sustainable Energy Reviews, 2021, vol. 135, issue C

Abstract: In order to improve engine performance by reducing hydrocarbon (HC) emissions from cold start of gasoline engine, firstly, cold-start emission control measures such as pre-treatment (including engine intake, fuel, and some engine timing parameters control studies to make air and fuel fully mixed and completely burned) and after-treatment (including oxidation of exhaust gas through the after-treatment system to reduce it to the atmosphere) are mainly summarized. Due to the particularity of the cold start conditions, engine after-treatment system can not be run in time, HC adsorption technology came into being. HC is adsorbed before after-treatment system functioning, and HC is not released until the after-treatment system works. In this paper, the experimental and simulation research on different adsorption materials (mainly including adsorption materials with different structure, size, heterogeneity, silicon to aluminum ratio and other parameters, different preparation and coating methods and different ion exchanged) used to control HC emission during cold start are summarized. Based on our work, the current research status of gasoline engine cold start HC control technology can be more clearly presented to relevant researchers. Through this article, the corresponding research results that have been obtained can be found more conveniently and comprehensively. And repeated research can be avoided well. At the same time, it is helpful for researchers to seek new research directions and paths for controlling the cold start HC emissions. The work done in this paper can effectively promote the further research and development of gasoline engine cold start HC emission control technology.

Keywords: Gasoline engine; Cold start; Pre-treatment; After-treatment; Hydrocarbon adsorption (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (18)

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DOI: 10.1016/j.rser.2020.110079

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