بسم الله الرحمن الرحيم

Distillation Operation

Description

There are many books that discuss distillation, but there is only one that concentrates on giving readers practical guidelines for operation, troubleshooting and control. This is that book. Its contents revolves around over 300 actual case histories of distillation problems that occurred in the past. Each problem and its solution are briefly described, and the lessons learned are molded into the practical guidelines that make up the book. Carefully focused, the book shows you how over 90% of all column malfunctions occurred in the past, how they were solved, and how to prevent them in the future. Starting with column internals and their malfunctions, it progresses to installation, commissioning, startup and normal operation before surveying the auxiliary system and the column automatic controls--how they should be, how they can go wrong, and how you can repair them. This book offers the best available compendium of Do's and Don'ts, good practices, and guidelines for trouble-free design, operation and troubleshooting for inlets and outlets; distributors; avoiding tray damage; installation; commissioning and startup techniques; column flood and efficiency testing; pressure, temperature and boilup control; and many more.

Contents

Distillation Troubleshooting.
Reflux and Intermediate Feed Inlets for Tray Columns.
Reflux and Intermediate Feed Distribution and Liquid Redistribution in Packed Towers.
Bottom Section and Column Outlets.
Gravity Lines.
Instrument, and Access Connections.
Tray and Downcomer Layout.
Mechanical Requirements for Trays.
Internals Unique to Packed Columns.
Distillation Overpressure Relief.
Column Assembly and Preparation for Commissioning.
Column Commissioning. Column Startup and Shutdown.
Operation Difficulties.
Column Field Testing: Flooding, Foaming, Efficiency, and Troubleshooting.
Troubleshooting Reboilers. Condensers, and Reflux Drums.
Column Control Philosophy.
Reboiler, Condenser, and Pressure Controls.
Composition Controls.
Miscellaneous Controls.
Columns That Did Not Work: Case Histories.

Appendices:
A: Useful Conversions.
B: Revised Equations for Constructing Startup Stability Diagrams


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