Control Column Pressure via Hot-Vapor Bypass

February
,
2015

Hot-vapor bypass employs a flooded condenser located at ground level to control distillation tower pressure. It offers capital cost savings, but can be tricky to implement. This article offers guidance on designing and troubleshooting a hot-vapor bypass system.

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 henry.kister@fluor.com). 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 Chemical Engineers' Handbook, and over 100 articles, and has taught the IChemE-sponsored “Practical Distillation Technology” course more than 350 times. A recipient of several...Read more

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