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Molecular Sieve Dehydration: How Does it Work and What Could Go Wrong?

Molecular Sieve Dehydration is used almost exclusively for dehydrating natural gas that is going to be further processed at cryogenic conditions, either for deep NGL extraction, or for liquefaction. Due to the cryogenic operating temperatures (at or below -100oC, -156oF), the natural gas must be bone dry (<0.1 ppmv water) to prevent freezing and plugging of the equipment.

This webinar will discuss how molecular sieves work, the various types of molecular sieves available, and their typical process applications. The equipment and process flow of a molecular sieve dehydration unit will be summarized. The primary issues that can cause lack of performance from the dehydration beds will be discussed.

Watch Webinar

Webinar Objectives

  1. Explain how molecular sieves work

  2. Describe the various molecular sieve types

  3. State the steps involved in a complete adsorption cycle, highlighting the limiting factor in performance

  4. Identify the primary causes of insufficient dehydration performance

What Will Attendees Learn?

  1. What molecular sieves are and how they work

  2. The typical process flow in a molecular sieve dehy unit

  3. Discuss typical operating conditions are for a Molecular Sieve unit using 4A sieve

  4. List common operating problems and their causes that result in insufficient water removal

Who Should Attend?

This webinar is directed towards Supervisors, Operators, and Facilities Engineers working in facilities that have TEG Dehydration units associated with their operations. The seminar will also benefit anyone who wishes to update themselves on how TEG dehydration processes work, and what the critical operating parameters are to ensure proper performance.

About the Presenter

MR. HARVEY MALINO is an Instructor/Consultant for PetroSkills | John M. Campbell. He has more than 40 years' experience in the chemical and hydrocarbon processing industries. During his 28 years with Union Carbide Corporation/UOP, he held both technical and commercial positions. These included: Molecular Sieve Technical Manager- Design and Field Service; Licensing Manager for the Ethylene Oxide business; Area Sales and Marketing Manager for Southeast Asia; Business Manager for the Gas Processing Business Group; and, World Wide Sales Manager for the Gas Processing Business Group. Mr. Malino has lived and worked in New Hampshire, Maine, New York, Singapore and Chicago. He is currently based in Sullivans Island, South Carolina where he is President of his own consulting business. Mr. Malino is a registered Professional Engineer in the State of New Hampshire. He is a Senior Member of the Advisory Board of the Laurance Reid Gas Conditioning Conference in Norman, OK. Mr. Malino earned a BS in Chemical Engineering from the City College of New York; and, an MBA from Pace University in New York.

MRS. KINDRA SNOW-MCGREGOR is the Technical Director of Oil and Gas Processing with PetroSkills | John M Campbell. She has a master's and bachelor's degree in Chemical Engineering and Petroleum Refining from the Colorado School of Mines, and over 22 years of experience in the oil and gas industry. She has served as the technical lead on several significant projects in the industry for clients such as BP, ExxonMobil, ConocoPhillips, Occidental, QatarGas, and XTO. Mrs. Snow-McGregor has been active in the gas processing / midstream industry for many years and is on the Board of Directors for the GPSA. In addition, she serves on the GPSA Engineering Data Book Editorial Review Board. She has published 9 technical papers at international conferences and is a coinventor on two technology patents in the gas processing industry.


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