Exergetic optimization of an integrated gas to liquids process

J. Venter, W. Nicol, M.J. Prins, K.J. Ptasinski

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review


The interactions of an integrated gas to liquids process were investigated with specific focus on factors influencing the carbon efficiency. Exergy analysis was used to optimize process parameters such as carbon efficiency, methane slip and energy utilization. It was found that relatively low autothermaJ reformer (A TR) temperatures increase the carbon efficiency and exergetic efficiency. At ATR temperatures around 905"C, exergy losses are minimized and the maximum exergy is stored in the liquid hydrocarbon product rather than in utilities (ie, electricity) produced by the process.
Original languageEnglish
Title of host publicationProc. of the South African Chemical Engineering Congress
Place of PublicationSouth Africa, Sun City
Publication statusPublished - 2003


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