Mitigating Carbon Dioxide Impact of Industrial Steam Methane Reformers by Acid Gas to Syngas Technology: Technical and Environmental Feasibility

Andrea Bassani, Daniele Previtali, Carlo Pirola, Giula Bozzano, Simone Colombo, Flavio Manenti

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The aim of this work is to evaluate the potential application of a new sustainable technology, called Acid Gas to Syngas, on steam reforming process in order to reduce the carbon dioxide emissions. Indeed, steam reforming has high emissions of carbon dioxide, at almost 7 kg of carbon dioxide per 1 kg of hydrogen produced. The key idea of the new technology is to convert carbon dioxide and hydrogen sulfide coming from natural gas desulfurization into additional hydrogen. Coupling different software, i.e. Aspen HYSYS and MATLAB, a complete plant model, able to manage the recycle of unconverted acid gases, has been developed. The importance of introduced innovations is highlighted and a comparison between the old process and the new one with Acid Gas to Syngas technology is built up. With Acid Gas to Syngas technology the natural gas consumption and carbon dioxide emissions can be reduced up to 3%
Original languageEnglish
Pages (from-to)71-87
Number of pages17
JournalJournal of Sustainable Development of Energy, Water and Environment Systems
Volume8
DOIs
Publication statusPublished - 2020

Keywords

  • Acid Gas to Syngas
  • Low emissions
  • Natural gas
  • Steam reforming
  • Syngas

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