Enviro-economic assessment of DME synthesis using carbon capture and hydrogen from methane pyrolysis
Abstract
The catalytic conversion of captured CO2 and H2 into fuels is recognised as an interesting option to decarbonise the transport sector in the short-midterm future. DME has been identified as an ideal diesel-substitute for heavy-duty vehicles due to its high cetane number and excellent combustion properties, but to be competitive with diesel a low-cost and low-carbon H2 production route is a key enabler. Recent developments indicate that methane pyrolysis has the potential to produce H2 at a similar cost compared to steam methane reforming, the main H2 production route nowadays, yet with no direct CO2 emissions. This paper presents an enviro-economic assessment of 12 life-cycle pathways for DME production. Our results show that DME produced using H2 from methane pyrolysis could be competitive with diesel, both economically and environmentally, but is highly dependent upon the utilisation of the carbon by-product. Show more
Publication status
publishedExternal links
Book title
14th International Symposium on Process Systems EngineeringJournal / series
Computer Aided Chemical EngineeringVolume
Pages / Article No.
Publisher
ElsevierEvent
Subject
Dimethyl ether; Process simulation; Life cycle assessment; Enviro-economic assessmentMore
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