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Novel Models / Simulators for Refinery Processes
REF-MOD

Features and Capabilities

» Rigorous and simplified reformer models are available for SR and CCR type reformer units
» Plant performance optimization, monitoring and trouble shooting
» Realistic octane number prediction
» Accurate prediction of benzene in reformate
» Catalyst activity and life prediction for specific cycle
» Decision making tool for overall unit profitability

REF-MOD Model for CRU Process (SR & CCR)

Applications

» Installed in three IndianOil refineries
» Benzene management studies for three IndianOil refineries
» MS-2000 prediction for IndianOil refinery
VIS-MOD

Features and Capabilities

» A rigorous model based on five lumps kinetics - validated extensively with industrial plant data
» VIS-MOD is capable of predicting :
  • Conversion and product yields
  • Viscosity cutting ratio
  • Temperature and pressure profiles in furnace coils
  • Distribution of feed sulfur in products
  • Important product properties
  • Blend properties of fuel oil with given cutterstocks

VIS-MOD Model for Visbreaking

» VIS-MOD can be used for various applications such as
  • Daily plant monitoring
  • Optimization of plant conversion without affecting VB tar stability
  • Selection of plant severity with change in feedstock
DHDS - MOD

Features and Capabilities

» Prediction of total sulfur and the concentration of individual sulfur compounds for given feed quality, feed blend ratio and plant operating conditions
» Estimation of chemical hydrogen consumption
» Reactors Temperature
  • Bed-wise inlet and outlet temperatures
  • Delta T across bed
» In-house developed correlation based pressure drop prediction for reactor beds match well with commercial plant
» Realistic prediction of cetane number and diesel yield
» Estimation of reactor exit gas composition
» Installed at one IndianOil refinery
 
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