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Chemical Process Technology

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Chemical & Process Technology

A place to share knowledge, lesson learnt...

Saturday, April 28, 2007

The Distillation Group Inc (DGI)

conduct training on Distillation by emphasizing on
- practical use of material presented
- understanding of theory and corrrect principles for practical use
- application of knowledge to the plant
- case studies from actual operating plant
- modular approach to courses and seminars
- customize training module to suite client requirements

Popular conducted modules :
Advanced Distillation Technology
Process Troubleshooting
Introduction to Petroleum Refining
Crude Petroleum Distillation

FREE & Useful Stuff :
- Distillation (DGI way)
Liquid Levels and Densities: Case Histories with DP Cell Problems
Steady Under Pressure: Distillation Pressure Control
Improve the Reliability and Maintenance of Recovery Processes
Troubleshoot with Exchanger Liquid Levels
- Others (Listing w/o full text)
- Newsletter 1 : Cover technical information on...Foam a major cause of tower problems.Thermosyphon reboiler operation: affect of liquid levels on heat duty in a recirculating system without a baffle: petroleum refinery naphtha splitter

- Newsletter 2 : Cover technical information on... Improper liquid level problems caused by incorrect density used with a DP cell: cryogenic gas plant and petroleum refinery FCC main fractionator.Hanging downcomers and high-capacity trays.

Useful Q&A
Vaporization limits in thermosyphon reboilers
Control of parallel condensers (non-symmetrical)
Mass-transfer unit approach to column design.
Fluid heating systems: vaporizer, stab-in, thermosyphon, forced, kettle
Vacuum system selection and pumparound control logic
Heat exchanger system selection criteria
Packing efficiency tests and interpreting the results to operating units
Liquid level measurement problems in an FCC main fractionator
Hanging downcomer high-capacity trays: what are they and how do they work?
Cascade control on distillation units: why use it?
Dry-out of a supercritical extraction unit.
Random packing hold-downs and open area for flow.
Structured packing application in high-pressure systems: limitations and experience.
Visbreaker wash zone coking: poor product quality (D8 color) from HVGO cut from a visbreaker vacuum fractionator.
Dual reboiler operation: removing the first reboiler of two reboilers from service while leaving it in place: petroleum refinery FCC naphtha stabilizer.
Thermosyphon reboiler operation: affect of liquid levels on heat duty in a recirculating system without a baffle: petroleum refinery naphtha splitter.
(...from DGI Question on Technology)
If you are interested...commercial Software :


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posted by Webworm, 7:55 PM


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