Northrop, P. S.
P. Scott Northrop is a gas treating advisor in the facilities function of ExxonMobil’s Upstream Research Co. in Houston, Texas. He received his BS degree from Washington University in St. Louis, Missouri, and an MS degree and PhD from the California Institute of Technology, all in chemical engineering. Dr. Northrop has 28 years of experience in the industry, and is the author/coauthor of a number of patents, presentations and articles on a variety of related subjects. He sits on Technical Section F of the Gas Processors Association (GPA), and on the board of directors of Alberta Sulfur Research Ltd. in Canada.
Distillation of a mixture containing CO2, CH4 and H2—Part 2
This article describes a method for the simultaneous separation of a mixture containing hydrogen (H2), methane (CH4) and carbon dioxide (CO2), which may result from certain shifted synthesis gas (syngas) mixtures.
Manage contaminants in amine treating units—Part 2: Rich amine filtration, inlet separation and amine foaming
The installation and operation of suitable separation and filtration systems have become key components of virtually all process units, especially amine units.
Managing process contaminants in amine treating units—Part 1: Lean amine filtration
Installation and operation of suitable contaminant removal systems, such as filtration, coalescing and adsorption equipment, have become key components in amine units.
Handling mercaptans in gas processing plants
With the continued development of sour gas fields around the world, the removal of mercaptans from gaseous and liquid hydrocarbon streams is becoming a challenge for today’s gas processing plants.
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