Integrated Study on Syngas-to-Synthetic Natural Gas (SNG) Process

Guo Hui Song; Qing Yuan Song; Lai Hong Shen; Jun Xiao

doi:10.4028/www.scientific.net/AMR.608-609.1419

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 608-609Integrated Study on Syngas-to-Synthetic Natural...

Integrated Study on Syngas-to-Synthetic Natural Gas (SNG) Process

Abstract:

A simulation of syngas-to-synthetic natural gas (SNG) process is presented. It mainly consists of the modeling of methanation process via a fluidized bed reactor and CO2 removal via Selexol absorption process. The effects of methanation temperature and pressure on the composition, yield and higher heating value (HHV) of SNG, as well as exergy efficiency of the process were investigated. The results indicate that the methanation temperature with a range of 300 °C to 350 °C and methation pressure with a range of 2.5 bar to 15 bar are recommended for the syngas-to-SNG process. The CO2 removal efficiency should be carefully determined to make the composition of SNG meet the relevant technical requirement. The syngas-to-SNG process with heat recovery has high exergy efficiency, which varies from 90.9% to 94.5%. There is less potential for improving the exergy efficiency of the process.

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Periodical:

Advanced Materials Research (Volumes 608-609)

Pages:

1419-1423

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.608-609.1419

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Online since:

December 2012

Authors:

Guo Hui Song, Qing Yuan Song, Lai Hong Shen, Jun Xiao

Keywords:

Biomass, Exergy Efficiency, Methanation, Methane, SNG, Syngas

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