SIM Reactor Suite | ALK-SIM™

Are you trying to optimise gasoline blending against stringent sulfur and benzene specifications? How do you determine the optimal iC4/olefin ratio for different C4 and C5 olefin feeds? Are you trying to determine the impact that different reactor temperatures or acid strength will have on product yields and qualities?

KBC’s ALK-SIM has been used worldwide for over 20 years to help refiners just like you to answer these and many other questions. ALK-SIM enables you to examine the effect of changes in feed rate, feed composition, feed impurities, reactor temperature, and acid strength on yields, product qualities, and operating economics.

ALK-SIM has been used successfully to:

  • Generate and maintain LP vectors
  • Analyse the impact of process changes on performance
  • Optimise unit operation against real constraints
  • Track and trend unit performance


ALK-SIM can be used in standalone mode to investigate the performance of HF and H2SO4 alkylation units in isolation, in conjunction with KBC’s FCC-SIM kinetic model for fluidised catalytic cracking to investigate the impact of changes in olefin production on alkylate yield and quality, or as part of a refinery wide model that investigates the complex relationships between different processing units and the macro effect of changes in the alkylation unit on the entire refinery performance and final product blending.

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