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Apply Quantitative Gamma Scanning to High-Capacity Trays


Push valves, multiple downcomers, and truncated downcomers boost tray capacities, but they also present troubleshooting challenges. Use quantitative gamma-scan analysis to measure froth heights, froth densities, and blowby in order to solve operating problems with these trays.

Author Bios: 

Henry Z. Kister

Henry Z. Kister is a Fluor Corp. senior fellow and director of fractionation technology (phone 1-949-349-4679, email He has over 30 years experience in design, troubleshooting, revamping, field consulting, control and startup of fractionation processes and equipment. He is the author of three books, the distillation equipment chapter in Perry’s Handbook, and about 90 articles, and has taught the IChemE-sponsored “Practical Distillation Technology” course more than to 350 times. A recipient of several awards, Kister...Read more

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