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Aromatization of Propane: Techno-Economic Analysis by Multiscale “Kinetics-to-Process” Simulation

Computers & Chemical Engineering
DOI: 10.1016/j.compchemeng.2014.10.001
  • Propane Aromatization
  • Multiscale Simulation
  • Kinetic Modelling
  • Process Development
  • Excel Unit Operation Module
  • Hydroprocessed Renewable Jet (Hrj) Fuel
  • Economics


Abstract This paper addresses the techno-economic analysis of the propane aromatization process, by adopting a novel Kinetics-to-Process approach. The recent interest in this technological route derives from the development of new third generation biorefinery concepts, in which, algal oil is subjected to catalytic hydrodeoxygenation processes for the production of HRJ fuels. Beside biofuels, co-production of large amounts of propane is observed, which can be upgraded by a catalytic conversion to aromatics on zeolites. Kinetic studies of propane aromatization over H-ZSM-5 zeolite in a wide range of conversions are reported in the literature. Based on these results, a general kinetic model of propane aromatization has been developed. The revised kinetic scheme is then embedded in a process simulation, performed with the commercial code SimSci PRO/II. Basing on the process simulation and on available price assessments, a techno-economic analysis has been performed to show limits as well as potentialities of the proposed layout.

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