Matheson Tri-Gas Air Separation Plant Company Profile

00:34 EST 16th December 2018 | BioPortfolio

In large industrial air separation plants atmospheric air is filtered, compressed, and cooled. The contaminants (primarily moisture, carbon dioxide and heavy hydrocarbons) are removed and are either frozen out in a reversing heat exchanger or absorbed by a molecular sieve. The air is then separated in a four column system.The columns are trayed distillation columns with vapor rising through holes in the trays as liquid travels across them, and then down to the next tray. As the vapor rises, it contains a higher percentage nitrogen, which is the lower boiling point constituent. As the liquid descends the column, it becomes richer in the higher boiling point constituents of air, oxygen and argon. The first column produces nearly pure (99.9999%) nitrogen vapor, and oxygen rich (40%) liquid. The second column produces nearly pure oxygen liquid at the bottom, and nearly pure nitrogen vapor at the top. A side stream which is rich in argon is removed from the second column. The sidestream is removed at a point where the vapor rising through the trays is about seven to fifteen percent argon, with the balance being oxygen.This stream is then distilled in a third column which produces a product stream which is about 98% argon and 2% oxygen. The remaining oxygen is removed in a catalytic oxidizer; then any trace amounts of nitrogen are removed in a fourth distillation column.


8200 Washington NE
New Mexico
United States of America


Phone: (505) 823-2606
Fax: (505) 857-9172

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Marrone Bio Innovations’ Biological Fumigant Offers Superior Pre-Plant Control of Soil-Borne Plant Diseases and Plant Parasitic Nematodes in Agricultural Soils

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PubMed Articles [1938 Associated PubMed Articles listed on BioPortfolio]

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Development of overlapping repeated separation of steviol glycosides with counter current chromatography and a comparison with a conventional repeated separation method1.

Repeated separation is a valuable method in counter current chromatography, especially on a preparative scale. It can greatly reduce the separation time and the consumption of solvent. In this work, ...

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A normal phase high performance liquid chromatography method for the separation of hydroxy and non-hydroxy neutral lipid classes compatible with ultraviolet and in-line liquid scintillation detection of radioisotopes.

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Clinical Trials [384 Associated Clinical Trials listed on BioPortfolio]

The Influence of Dietary Plant Sterols and Plant Stanols on Cholesterol and Plant Sterol Levels in Atheromatous Plaques

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Dietary Phytosterols and Human Aortic Valve

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Treatment of Plantar Keratosis With Medicinal Plant in Diabetic Patients

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Field Evaluation of Plant-Based Mosquito Control

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Matheson Tri-Gas Air Separation Plant

In large industrial air separation plants atmospheric air is filtered, compressed, and cooled. The contaminants (primarily moisture, carbon dioxide and heavy hydrocarbons) are removed and are either f...

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