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Preflash Options for Light Tight Oil Processing

Source: AIChE
  • Type:
    Conference Presentation
  • Conference Type:
    AIChE Spring Meeting and Global Congress on Process Safety
  • Presentation Date:
    April 12, 2016
  • Duration:
    30 minutes
  • Skill Level:
  • PDHs:

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As light tight oil continues to increase in availability, refiners are challenged with how best to process this unique type of crude oil.  With a much higher amount of naphtha and lighter materials in tight oil, the preflash step takes on increasing significance in the crude unit.  This presentation will compare two types of preflash – a simple drum with vapor further refined in the crude tower, and a full preflash fractionator, where on-spec light naphtha products can be made and bypass the unit’s crude tower.  The choice for an individual refinery is dependent on many factors.  Advantages and disadvantages of each will be explored, and factors to consider in making a selection will be presented.  Burns & McDonnell has significant experience with preflash designs in crude units and specific examples will be given to provide a clear understanding.

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