publication . Article . 2014

Energy consumption in desalinating produced water from shale oil and gas extraction

Tow, Emily W.; Chung, Hyung Won; Lienhard, John H.; Thiel, Gregory Parker; Banchik, Leonardo David;
Open Access English
  • Published: 01 Dec 2014
  • Publisher: Elsevier
Abstract
On-site treatment and reuse is an increasingly preferred option for produced water management in unconventional oil and gas extraction. This paper analyzes and compares the energetics of several desalination technologies at the high salinities and diverse compositions commonly encountered in produced water from shale formations to guide technology selection and to inform further system development. Produced water properties are modeled using Pitzer's equations, and emphasis is placed on how these properties drive differences in system thermodynamics at salinities significantly above the oceanic range. Models of mechanical vapor compression, multi-effect distilla...
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