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Technical Information

This web page is no longer being updated effective February 2003. The page with links to technical information is being kept available temporarily. Requests for articles may be sent via e-mail to asloley at Most requests will be responded to within 72 hours.

The Distillation Group has the following areas of on-line technical resources:

  1. DGI newsletter: latest information on troubleshooting, distillation problems, and industry news.
  2. Questions on Technology forum: answers to your questions.
  3. Technical abstracts: descriptions of papers and reference material available from our mail server
  4. Distillation background information: on-line review of distillation basics and terminology
  5. Historical distillation material

Technical Abstracts

The papers below come from three groups. Group One includes technical papers engineers at The Distillation Group have written on various subjects. Group Two covers papers written by other people that have some relevance to distillation technology. Group Three includes non-technical material and addenda of interest. Many of these are available upon request. Papers are requested by the paper's number. See our instructions for requesting papers.

Distribution will be via electronic mail with Adobe PDF format files.

Further material is always being prepared for publication in various journals and presentation at different meetings. Return often to keep track of new material.

Group One ( NA = copies not available)

109. Setting the Revamp Basis (NA)
108. Avoid Common Distillation Equipment Pitfalls
107. Troubleshooting for Improved Profits
106. Maximizing the Benefits of Simulation Models (NA)
105. Modeling and Simulation (NA)
104. Troubleshooting Vacuum Towers
103. Improve Tray Operations
102. Tray Zone Flooding for Valve and Sieve Trays
101. Troubleshooting Practice in the Refinery
100. Troubleshooting Refinery Vacuum Towers
099. Conventional Simulators for Advanced Distillation Processes
098. Designing and Revamping Crude Processing Sequences
097. Instrumentation: The Key to Revamp Benefits
096. Manage Fast-track Retrofits with these Guidelines
095. Liquid Levels and Densities: Case Histories with DP Cell Problems (full text of paper)
094. Cat Naphtha Sulfur Management: Undercut or Not?
093. Retrofitting: How to Have Successful Revamps Instead of Failed Projects
092. Proper Field Technique with Sight Glasses and the Importance of Field Observation
091. Effectively Control Column Pressure
090. Foam is a Major Source of Column Operating Problems
089. How do we get Wrong Liquid Levels
088. The Importance of Grasping New Technology
087. Consider Modeling Tools to Revamp Existing Process Units
086. Troubleshooting Petroleum Refinery Vacuum Towers
085. Steady Under Pressure: Distillation Pressure Control
084. Improving Gas Oil Cutpoint and Capacity (NA)
083. Improving Gas Oil Cutpoint and Capacity (NA)
082. Evaluation of Multiple Revamp Options
081. Steady Under Pressure: Distillation Pressure Control (full text of paper)
080. The Split Flow Option: Pump Innovations Reduce Motor Size and Capital Cost
079. Water Damage to a Refinery Atmospheric Crude Fractionator: Reliability Case History
078. Process Revamp Options for Sidestrippers
077. Should You Switch to High-Capacity Trays?
076. High-Capacity Distillation
075. FCC Product Recovery Section Reliability and Operability Issues
074. Don't Get Drawn Into Distillation Difficulties
073. High Capacity Trays for Realistic Revamps
072. Simple Methods Solve Exchanger Problems
071. Reducing the Danger of Maintenance Exposure
070. High-Capacity Trays - Basic Choices
069. Improve the Reliability and Maintenance of Recovery Processes (full text of paper)
068. Technology versus Basic Capabilities (NA)
067. Bridging the Gap - From Theory to Application
066. Troubleshoot with Exchanger Liquid Levels (full text of paper)
065. Customized Tower Revamps - Success and Failure
064. Pay Attention to Reflux/Feed Entry Design (NA)
063. Subdue Solids in Towers (NA)
062. Vacuum Lubricant Distillation Processes (NA)
061. Vacuum Lubricant Columns, Revamping (NA)
060. Maximize Crude Unit No. 2 Oil Yield Design and Operation
059. Computational Fluid Dynamics Modeling Requirements for Mass-Transfer Analysis (NA)
058. Crude Unit No. 2 Oil Yield Improvement - Design and Operation (NA)
057. Drawing Distillation Products (NA)
056. Troubleshooting and Human Factors
055. Avoid Problems with Distillation Column Startups
054. Mediums and Messages: Marketing Technical Services for the Small Concern
053. Properly Design Thermosyphon Reboiler Systems
052. Trayed Distillation Columns (NA)
051. Thermosyphon Reboilers, Simulation, High Relative Volatility Systems (NA)
050. Thermosyphon Reboilers, Simulation and Design (NA)
049. Teamwork, Ownership and the Modern Project
048. Avoid Problems During Distillation Column Startups
047. Ownership, Teamwork, and the Modern Project (NA)
046. Recovery of Blended Product Pipeline
045. Pay Attention to Reflux/Feed Entry Design
044. Feeding and Drawing Products: The Forgotten Part of Distillation (NA)
043. Distillation Column Reliability: Case Histories (NA)
042. Application of Simulators in Distillation Column Troubleshooting
041. Fast Track Revamp Project Execution
040. Why Towers Do Not Work: Part II
039. Refinery Vacuum Column Troubleshooting (NA)
038. Why Towers Do Not Work: Part I
037. Saturate Gas Plant Operation for Maximum Octane With Reformulated Gasoline
036. Simulation of Flow Maldistribution and Its Result on Mass-Transfer (NA)
035. Effectively Design and Simulate Thermosyphon Reboiler Systems: Part 2
034. Effectively Design and Simulate Thermosyphon Reboiler Systems: Part 1
033. Folded Distillation Models for Heat Pump Process Design
032. Polymer Grade Propylene from FCC C3s
031. Why Towers Do Not Work (NA)
030. Don't Underestimate the Importance of Reflux/Feed Entry Design for Trayed Fractionators
029. Simulation of Flow Maldistribution and Its Results on Mass-Transfer
028. Refrigerant Fluid Selection for Industrial Process Systems (NA)
027. Subdue Solids in Towers
026. Improve Gasoline Octane with Isomerization Unit Revamp
025. Refinery and Petrochemical Complex Propylene Optimization
024. Modernizing Lubricant Vacuum Distillation Processes (NA)
023. Distillation Column Inspection
022. Optimizing Lube Oil Vacuum Column Design
021. Modern Glycol Dehydration Unit Design
020. Refrigerant Fluid Selection for Industrial Process Systems (NA)
019. Thermosyphon Simulation in High Relative Volatility Distillation Systems
018. Process Modeling for Control System Design and Analysis
017. Revamping Cryogenic Gas Processing Plants: Minimum Investment Revamping
016. Simulation and Design of Thermosyphon Reboiler Systems
015. Refinery and Chemical Plant Water Treating: Air and Steam Stripping
014. Texas Refiner Expands Aromatics Capacity 20% With Staged Revamp
013. Successfully Downsize Trayed Columns
012. Reformulated Fuels Impact FCCU Process Equipment
011. Mechanical Specification of Mass-Transfer Equipment (NA)
010. Revamping FCC Main Fractionator Energy Systems
009. Revamping FCC Unit Main Fractionators
008. Heat Integrating Fluid Catalytic Cracking Unit Fractionation Systems: Energy Recovery, Control, Investment and Operability Issues
007. Revamping Lube Vacuum Columns (NA)
006. Column Downsizing Techniques
005. Refinery Vacuum Column Troubleshooting (NA)
004. FCC Main Fractionator Revamps
003. Analysis Key to Correcting Debutanizer Design Flaws
002. Simple Methods Solve Vacuum Column Problems Using Plant Data (NA)
001. Improving Vacuum Crude Column Operation

Group Two

X003. Ejector system troubleshooting
X001. Yield Correlations Between Crude Assay Distillation and High Temperature Simulated Distillation (HTSD).

Group Three


A013. Materials Handbook: A Concise Desktop Reference, book review, CEP, October 2001
A012. Where are We - The Valuve of Benchmarking Done Properly, editorial, Hydrocarbon Processing, December 1999.
A011. Contract Engineering: Start and Build a New Career, book review, CEP, November 1999.
A010. The Simple Things, editorial Hydrocarbon Processing, August 1999.
A009. Scientific Unit Conversion, book review, CEP, March 1999.
A008. A Plea for Simplicity, editorial, Control Design, December 1998/January 1999.
A007. Methods for Solving Process Plant Problems, book review, CEP, December 1998.
A006. Process Resolutions, editorial, Hydrocarbon Processing, December 1998.
A005. Dispelling Chemical Engineering Myths, book review, CEP, September 1998.
A004. Keep in Touch with the Basics, editorial, Hydrocarbon Processing, September 1998.
A003. Comments from 1997 NPRA Q&A Answer Book.
A002. Lubricant Base Oil and Wax Processing, book review, CEP, June 1997.
A001. The Craft of Scientific Writing, book review, CEP, May 1997.

B006. Simulation Subtleties, editorial in CEP by Mark Rosenzweig, January 1998.
B005. Troubleshooting is the Easy Part, editorial in CEP by Mark Rosenzweig, September 1997.
B004. Shoot Straight with Troubleshooters, Editorial in CONTROL Magazine by Joe Feeley, July 1997.
B003. Don't Shoot the Troubleshooter, editorial in AIChExpress, April 1997.
B002. Moving Toward Proof Positive, Chemical and Engineering News, April 14, 1997.
B001. The Undervaluing of Experience, editorial in CEP by Mark Rosenzweig, May 1995.

Historical Distillation Material

H003. Distillation Operations Manual, Texas Energy Conservation Program, 1978 (HTML-small files, HTML-large file, PDF)
H002. Distillation of Alcohol and Denaturing, F. B. Wright, 1907, (High resolution PDF), (Low resolution PDF)
H001. The Condensation of Gasoline from Natural Gas, Bureau of Mines, 1915


This page updated 15 August 2002.
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