The effect of methanol production and application in internal combustion engines on emissions in the context of carbon neutrality: A review

•A detailed review of methanol production and its impact on engine emissions in the context of carbon neutrality.•The method and feasibility of CO2 hydrogenation to methanol are compared and analyzed.•The feasibility of methanol for vehicles is analyzed from different aspects.•Methanol used in SI an...

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Bibliographic Details
Published in:Fuel (Guildford) Vol. 320; p. 123902
Main Authors: Tian, Zhi, Wang, Yang, Zhen, Xudong, Liu, Zengbin
Format: Journal Article
Language:English
Published: Kidlington Elsevier Ltd 15.07.2022
Elsevier BV
Subjects:
Carbon dioxide
Carbon neutral
Carbon neutrality
Clean energy
Combustion
Context
Emissions
Emissions control
Feasibility studies
Fuels
Internal combustion engine
Internal combustion engines
Methanol
Production methods
Renewable
TCR
SCR
Renewable
DMCC
PHB
Carbon neutral
HCOOH
IGCC
CH2O
Methanol
WHR
TWC
VOCs
PODE
N2O
PRm
DMDF
Emissions
CCS
MIT
Internal combustion engine
DPF
PM
WOT
TNTs
CH3CHO
ISSN:0016-2361, 1873-7153
Online Access:Get full text
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Summary:•A detailed review of methanol production and its impact on engine emissions in the context of carbon neutrality.•The method and feasibility of CO2 hydrogenation to methanol are compared and analyzed.•The feasibility of methanol for vehicles is analyzed from different aspects.•Methanol used in SI and CI engines can reduce CO, NOx, soot and PM emissions.•Combining WHR technology further enhances the advantages of methanol used in engines. Methanol is a recognized renewable clean energy. In the context of carbon neutrality, it is of great significance to achieve low-carbon production of methanol fuel and its application in internal combustion (IC) engines to reduce emissions. First, this article systematically introduced and evaluated the technical routes and methods of methanol production from carbon dioxide (CO2) and hydrogen (H2). Then it evaluates the feasibility analysis of the application of methanol in IC engines from different aspects, and the impact of the combustion of methanol fuel in IC engines on emissions. Finally, the research direction of methanol fuel in the future is pointed out.
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content type line 14
ISSN:0016-2361
1873-7153
DOI:10.1016/j.fuel.2022.123902