Optimization and selection of reforming approaches for syngas generation from natural/shale gas

Mohamed M B Noureldin, Nimir O. Elbashir, Mahmoud M. El-Halwagi

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

Reforming of natural or shale gas is the primary industrial method for the production of syngas. There are four major approaches to reforming: steam reforming, partial oxidation, dry reforming, and combinations of these reforming reactions. The selection of the reforming approach is not a straightforward task. It is highly dependent on process objectives and availability of material and energy resources. Furthermore, the reformer selection has a significant impact on: process yield, energy requirement, CO2 emissions, and wastewater generation. It also has operational implications including: catalyst life, process safety, and control. The purpose of this work is to develop a systematic tool to aid in the modeling and selection of appropriate reformers to achieve an objective. This can include particular process or economic objectives and constraints such as H2:CO ratio. An equilibrium model is developed and solved using optimization software (LINGO). Economic, energy, and environmental constraints are included in the optimization formulation. Top-level economic scenarios were investigated including the inclusion of carbon tax, natural gas, and energy price fluctuations. The work is also extended to shale gas reforming and shows that the composition of the shale gas has a significant impact on potential yields. Given the potential variability in shale gas composition, the optimization model is also used in selecting a gas reservoir (feedstock) for specific objectives and constraints of the reforming process. The inclusion of strict energy and environmental constraints can favor some reforming options over others.

Original languageEnglish
Pages (from-to)1841-1855
Number of pages15
JournalIndustrial and Engineering Chemistry Research
Volume53
Issue number5
DOIs
Publication statusPublished - 5 Feb 2014

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Reforming reactions
Economics
Natural gas
Steam reforming
Energy resources
Carbon Monoxide
Shale gas
Taxation
Chemical analysis
Feedstocks
Wastewater
Carbon
Gases
Availability
Oxidation
Catalysts

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

Cite this

Optimization and selection of reforming approaches for syngas generation from natural/shale gas. / Noureldin, Mohamed M B; Elbashir, Nimir O.; El-Halwagi, Mahmoud M.

In: Industrial and Engineering Chemistry Research, Vol. 53, No. 5, 05.02.2014, p. 1841-1855.

Research output: Contribution to journalArticle

Noureldin, Mohamed M B ; Elbashir, Nimir O. ; El-Halwagi, Mahmoud M. / Optimization and selection of reforming approaches for syngas generation from natural/shale gas. In: Industrial and Engineering Chemistry Research. 2014 ; Vol. 53, No. 5. pp. 1841-1855.
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