الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
This research introduces a method for optimizing the operating variables of a sulfur recovery unit (SRU) that runs with modified Claus process and a tail gas treating unit (TGTU) that is using Shell Claus Off-Gas Treatment (SCOT) process at the same time; The optimization process was done using integration between ASPEN HYSYS as a commercial simulation software and MATLAB as programming language. The validity of these results was checked by comparing the results with actual plant data.