Articles

  • GTC Article in PTQ: Enhancing Fractionator Efficiency

    April 2016 – Properly designed vapor and liquid distribution devices enable more effective distillation column efficiency Number of trays and packed bed height are both primary parameters in determining the degree of separation of a distillation column. However, this factor…

  • GTC Article in Hydrocarbon Engineering: A New Catalyst Approach

    December 2015 – Due to global tightening on sulfur emission regulations, chemical plants worldwide are facing the task of either upgrading existing sulfur processing units or installing new units to meet regulations. Sulfur recovery requirements, depending on the local permit…

  • GTC Article In PTQ: Optimising Preflash For Light Tight Oil Processing

    September 2015 – For a crude unit handling light tight oil feedstock, a semi-preflash column can deliver significant advantages in energy saving, capacity gain and revamp economics. Article Summary The basic function of a crude distillation unit is to provide…

  • Optimising Crude Unit Design

    April 2009 – Real retrofit examples demonstrate how crude units can be successfully optimised with the crude slates currently being processed. Process design strategies are discussed in detail and highlight how retrofit targets are achieved. Complete the form below to…

  • Maximizing LPG Recovery from Fuel Gas Using a Dividing Wall Column

    January 2015 – GT-LPG MAX ℠ provides a cost-effective solution for recovering LPG product using a novel process concept of absorption plus distillation within the same fractionating vessel. Over the last several years, refiners have faced increasing challenges maximizing the…

  • An Alternative Approach to Sulfur Recovery

    Mar. 2014 – Matt Thundyil, David Seeger, Ramiro G. Vazquez and Sameer Pallavker, GTC Technology US, LLC, discuss an alternative approach to sulfur recover form lean sour fast streams: Over the past 20 years, environmental specifications for sulfur emissions have…

  • “Improving the Distillation Energy Network”

    Nov. 14, 2013 –  Energy-efficient design applied to the refit of a distillation unit was achieved through optimisation between the distillation column and heat network system. Energy costs are the largest percentage of a hydrocarbon plant’s operating expenditures. This is…

  • Optimize Design for Distillation Feed

    June 2011 – Technical considerations for feed location. Selecting optimum feed location is critical to maximizing distillation column performance. Improper feed location of a distillation column can downgrade column performance; the degree of separation is decreased at the same reflux/boil…

  • Isomalk-2 technology

    April 2012 – The Isomalk-2 technology has a successful track record in achieving more than satisfactory results. The start up and operation of the unit at the Omsk refinery marks the appearance of a stable and environmentally safe alternative to…

  • High-Performance Trays Alone do not Guarantee Performance Improvements

    April 2012 – High-performance tray does not itself determine the effectiveness of the whole column. Other distillation equipment plays a vital role in a successful column revamp. Click here to view / download the .pdf version of this article.…

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