World Fertilizer | Doug Little, Hubert Zey | June 2017
Using high-capacity mist eliminators to debottleneck separators in fertilizer production.
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PTQ | Dana Laird | 2005
Factors to consider when evaluating a revamp.
Hydrocarbon Engineering | Izak Nieuwoudt, J. Penciak | 2007
How high performance trays can deliver the best capacity and efficiency.
PTQ | Luigi Valagussa | 2011
A process review, including the improvement of atmospheric and vacuum distillation columns, for the reformulation of the diesel pool.
CEP | Scott Hebert, Neil Sandford | 2016
CPI companies are switching to fixed valves despite a slight loss in operational flexibility. Fixed valves offer better reliability, fouling resistance, and more robust valve designs.
Hydrocarbon Processing | Darius Remesat | 2006
Economic value can be obtained by involving heat exchanger and tower internal experts in the initial design development.
PTQ | Michael Krela, Darius Remesat | 2013
To save project costs, the distillation towers for a new refinery were designed to meet process design objectives using best available technology.
PTQ | Michael Beshara, Darius Remesat | 2010
A refinery fuel gas absorber was revamped to increase capacity while maintaining H2S in the product well below specification.
PTQ | Pawan Gupta, R. Madhavan, J. Rajesh, Sandeep Yadav | 2017
Component trapping by physical carry-over of water can cause capacity bottlenecks that are not easily predicted.
| Hubert Zey | 2019
A cleaned mesh mist eliminator may look like new, but is hidden damage affecting performance? A high capacity style will extend the capacity safety factor for the life span of the mist eliminator.
| David A. Freed, Richard P. Hauser | 2003
Evaluating revamping a tower with structured packing to maximize capacity and gas oil recovery in crude vacuum towers by minimizing column pressure drop.
| Nadia Pappademos, Michael R. Resetarits | 2001
Exploring the factors that influence vapor crossflow channeling.
| Todd Becker, Daryl W. Hanson, Mike R. Resetarits | 2001
Explore the process of troubleshooting, reviewing operating data and scans, and evaluating the economics of revamping a tower in 1995 and again in 1999.
PTQ | Michael Krela, Meraj Shah, Phillippe Weiss | 2020
Application of a severe service grid achieved 10% higher throughput with improved reliability in a vacuum tower revamp.
PTQ | Mike Goulding, Michael Krela, Fred Zhang | 2016
Revamping a heavy oil upgrader's steam stripping tower increased tray efficiency and achieved record throughput.
PTQ | Darius Remesat | 2008
When simulating or designing an unconventional heavy oil/bitumen vacuum crude unit, the sharing of operating data on cracked gas make, stripping section performance and indirect entrainment can help ensure designers make the right design choices.
Hydrocarbon Engineering | M. Copp, Christoph Ender, Izak Nieuwoudt, Pat Quotson | 2006
A look at the innovations that increased the capacity and efficiency of towers packed with structured packing.
PTQ | Darius Remesat | 2010
Low-cost revamps of tower internals improve production from existing assets with a payback period of less than a year.
| Michael D. D'Entremont, Andrew M. Marcinkowski, Kenneth J. McNulty
A description of the Phase Doppler Particle Analyzer (PDPA), including how it works, its accuracy, and pilot plant and field test data.
Chemical Engineering Progress (CEP) | Christoph Ender, Dana Laird | 2003
Understand the causes of fires in distillation columns equipped with structured packing and how to prevent them.
Hydrocarbon Engineering | Juan Juarez, Izak Nieuwoudt, Patrick Quotson, Norman Yeh | 2019
How modern random packing technology helps to improve tower performance.
Sulfuric Acid Today | Greg Boles, Roger Cusack, Paul Fabian | 2008
A discussion of the benefits and limitations of each type of mist eliminator.
Hydrocarbon Engineering | Izak Nieuwoudt, Neil Sandford | 2019
Addressing the challenges involved with large diameter trayed towers.
Case studies to question whether there needs to be a trade-off between capacity and efficiency in large diameter trayed towers.
| Dana Laird | 2004
A discussion of the many things to consider when evaluating a potential FCCU Main Fractionator revamp.
Hydrocarbon Engineering | Izak Nieuwoudt | 2013
Explore the ways in which the microscopic and macroscopic geometric variables of structured packing can be used to design a packing with the desired efficiency and capacity.
Hydrocarbon Engineering | Alessandro Ferrari, Izak Nieuwoudt, Neil Sandford | 2020
An evaluation of the available tray technologies for pressure distillation towers.
Hydrocarbon Engineering | A.R.S. Bhandari, R. Madhavan, Sandeep Yadav | 2017
A study of a refinery stripper tower revamp project.
PTQ | Darius Remesat | 2009
An evaluation of the choices of tower internals and configurations available for a coker fractionator.
Hydrocarbon Processing | Roger Cusack | 2009
A fresh look investigates general principles in designing process coalescers.
Hydrocarbon Engineering | O. Karpilovskiy, M.J. Lockett, Izak Nieuwoudt | 2009
A description of the installation of 6-pass trays in a large C3 splitter.
World Fertilizer | Hubert Zey | 2019
Evaluate what plants are really risking when they clean their mist eliminator.
Chemical Engineering Progress (CEP) | Brian Albert, Dana Laird, Douglas Little, Cary Steiner | 2002
The solution to a process problem is found by going into the plant and carrying out tests and evaluating data.
PTQ | Darius Remesat, Paul Wenger | 2011
As a first step in an ethane extraction plant's operational improvement plan, a tray revamp was performed to improve both tray efficiency and ethane recovery.
PTQ | K Sri Ganesh, R Madhavan, M Jagannatha Rao, Sandeep Yadav | 2018
Retrofitting the packed top section of a crude atmospheric tower with high capacity trays improved separation efficiency.