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Propane Refrigeration: Minimizing Power Requirements for Greenfield Projects With Economizers

Presented by Dr. Mahmood Moshfeghian

15 September 2020, 10:00 am CDT (GMT - 5:00)

Propane refrigeration is the most common mechanical refrigeration process. It has a wide range of applications in the gas processing industry. Given that propane refrigeration is an expensive utility to purchase, run and maintain, it is important to understand what options can be considered when selecting a unit to minimize the operating costs.

The participant will be refreshed with mechanical refrigeration basics and gain practical understanding of economizers, how they work and the different types that can be utilized. The primary objective of the webinar is to review a couple of options to minimize the compressor power requirements for new installations.

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Webinar Objectives

 >>   Explain how an economizer reduces propane refrigeration compressor power requirements and have an understanding of the major equipment functions

 >>   Describe three refrigeration systems utilizing an economizer to minimize compressor power:

 >   An external heat exchanger economizer utilizing heat integration with the process (free cold energy stream)

 >   A Flash tank economizer with two-stages of compression

 >   An internal Sub-cooled heat exchanger economizer

What will attendees learn?

 >>   List the different types of economizers that can be used in propane refrigeration systems

 >>   The theory of operation of propane refrigeration systems utilizing an economizer

 >>   The impact of vapor fraction of the refrigerant entering and chiller

 >>   Describe how economizers minimize compressor power required

 

Who Should Attend?

This webinar is directed towards supervisors, team leaders and engineers in engineering and production that are responsible for facilities or projects that are looking to install new propane refrigeration systems. The seminar will also benefit anyone who wishes to update themselves on mechanical refrigeration systems and wants to find out why their propane refrigeration system uses more than one stage of compression or has heat integration with their overall process.

About the Presenter

DR. MAHMOOD MOSHFEGHIAN is a Senior Technical Advisor and Senior Instructor for PetroSkills. He is the author of most Tips of the Month and develops technical software for PetroSkills. He has 40 years' teaching experience in universities as well as for oil and gas industries. Dr. Moshfeghian joined John M. Campbell & Co. in 1990 as a part time consultant and then as full time instructor/consultant in 2005. Dr. Moshfeghian was Professor of Chemical Engineering at Shiraz University.

Dr. Moshfeghian is a senior member of AIChE and has published more than 125 technical papers on thermodynamic properties and process engineering. Dr. Moshfeghian has presented invited papers at international conferences. He is a member of the Editorial Board for the International Journal of Oil, Gas, and Coal Technology. He holds a BS (74), an MS (75) and a PhD (78) in Chemical Engineering, all from Oklahoma State University.

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