May 2012

Magnetic Bearings in Turboexpander Applications

Conference Presentation

AIChE Spring Meeting and Global Congress on Process Safety

March 21, 2010

Magnetic bearings in turboexpander have become the standard for the installation in gas processing and ethylene plants; there are areas of the design...

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Cracked Gas Dryer Tutorial (Part 2)

Conference Presentation

AIChE Spring Meeting and Global Congress on Process Safety

March 22, 2010

This tutorial will begin with a brief introduction to molecular sieves followed by a description of the process, covering overall operation of the...

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Impact of Feedstock Variations on the Performance of Multi-Component Refrigeration Compressors

Conference Presentation

AIChE Spring Meeting and Global Congress on Process Safety

March 21, 2010

Conventional ethylene technology uses three separate refrigeration compressor systems. Lummus has developed a patented mixed refrigeration system...

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An Operator Training Simulator (OTS) for a SUPERFLEX(TM) Unit

Conference Presentation

AIChE Spring Meeting and Global Congress on Process Safety

March 22, 2010

An Operator Training Simulator (OTS) of a new SUPERFLEXTM unit has been designed and built to provide highly realistic process and operations...

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Reliable Retention of Molecular Sieve Beds

Conference Presentation

AIChE Spring Meeting and Global Congress on Process Safety

March 22, 2010

Reliable operation of an Olefin gas/liquid dehydrator requires careful attention to the integrity of the grid supporting the molecular sieve...

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Catalyst Technology for the Removal of Acetylenes, NOx and Oxygen from Olefin Streams

Conference Presentation

AIChE Spring Meeting and Global Congress on Process Safety

March 23, 2010

While olefins can be readily produced by various technologies, they are generally not suitable for use until impurities such as acetylenes, NOx and...

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Cracked Gas Dryer System Debottlenecking Concepts

Conference Presentation

AIChE Spring Meeting and Global Congress on Process Safety

March 22, 2010

Of prime importance in the ethylene plant process is the Cracked Gas (CG) Dehydration System. CG Dryer operation is a key factor to the achievement...