The use of OLI and Aspen Plus to develop / analyse and optimise a strategy for the removal of specific gases from a reformed gas stream

Ralph Grob
Sasol Technology (Pty) Ltd

The development of different methods to remove gases from a hot, high pressure reform gas stream was studied. The aqueous chemistry models in OLI were used along with the steady state simulation tool Aspen Plus to see which methods should be studied further in the pilot plant. Data sources for the complex chemistry were reviewed and the OLI system was preferred in terms of data accuracy, robustness and applicability to modelling of the process itself. Different electrolyte solutions and concentrations along with plant configurations could be quickly developed and analysed with OLI’s out of the box data approach and the Aspen Plus simulation toolset.

Ralph Grob, Sasol Technology (Pty) Ltd  

Ralph Grob is a Chief Process Engineer at Sasol Technology (Pty) Ltd in Johannesburg South Africa. Ralph works for the Process Engineering Group as a simulation specialist. Ralph has over 15 years simulation experience in the refining, chemical, polymer and metallurgy businesses. Ralph obtained his PhD at the University of Surrey in the UK for studies in Biochemical Engineering, specifically dynamic optimisation.

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