Articles

  • GTC Article in Chemical Processing: Dividing Wall Column Provides Sizable Energy Savings

    May 2017 – As energy sectors enter a phase emphasizing energy reduction, interest is growing in dividing wall column (DWC) technology for distillation.  This article takes a look at an installation at a refinery complex in Chiba, Japan, owned by…

  • GTC Article in PTQ: Balanced Distillation Equipment Design

    January 2017 – Fouling resistance and efficiency requirements for distillation equipment are balanced and optimized for reliable unit performance Fouling tendency is a critical issue in crude distillation units and should not be overlooked when designing crude distillation columns. Corrosion…

  • GTC Article in PTQ: Improved Distillation Efficiency

    October 2016 – Dividing wall column technology applied to a xylenes separation project delivered superior energy efficiency compared to a two-column arrangement. As the global energy sector enters a new phase centered on energy reduction, dividing wall columns (DWC) are…

  • GTC Article in Hydrocarbon Processing: Distillation – Then and Now

    August 2016 – This article is educational for those interested in the history of distillation practices, and also those who want to jump straight to the present state-of-the-art.  The tri-partite authors include a long-time expert in the industry with more…

  • 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…

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