Welcome to Petro-SIM! We are pleased to announce that service pack 3 for Petro-SIM 4.1 is now available. We recommend this service pack particularly for all users of the Pyrolysis Furnace and otherwise where you are affected by one of the issues addressed. The Service Pack does include corrections to viscosity handling in the FCC and Hydrocracker/Hydrotreater feed characterisation and we advise you to read the detailed information available to see if this issue affects you.

Follow the new feature links below or click here for a list of all new V4.1 features. See the Petro-SIM Help menu for a complete list of all program features. Read Service Pack Changes to see what has changed in 4.1 since its original release.

Heat Transfer	Reactors	Monitoring	Dynamics	Distillation	Oils and Basis	LP Utility	Usability