2021
DOI: 10.3390/w13050652
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Some Theoretical Aspects of Tertiary Treatment of Water/Oil Emulsions by Adsorption and Coalescence Mechanisms: A Review

Abstract: The massive increase in the volumes of oily contaminated produced waters associated with various industrial sectors has initiated considerable technological and scientific efforts related to the development of new cleaning strategies. The petrochemical industry (oil and gas production and processing) contributes to those volumes by approximately 340 billion barrels per year. The removal of emulsified oily components is a matter of particular interest because the high emulsion stability necessitates sophisticat… Show more

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Cited by 14 publications
(7 citation statements)
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References 115 publications
(149 reference statements)
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“…7 But its high specific surface area and surface energy lead to thermodynamic instability. 8,9 Moreover, the gravity and laplace pressure in the aqueous foam cause the foam drainage to coal esce and coarsen, which leads to foam decay. 10 The efficiency of the fire extinguishing foam is mainly determined by its stability and heat insulation performance.…”
Section: Introductionmentioning
confidence: 99%
“…7 But its high specific surface area and surface energy lead to thermodynamic instability. 8,9 Moreover, the gravity and laplace pressure in the aqueous foam cause the foam drainage to coal esce and coarsen, which leads to foam decay. 10 The efficiency of the fire extinguishing foam is mainly determined by its stability and heat insulation performance.…”
Section: Introductionmentioning
confidence: 99%
“…Existing separation techniques have limitations due to high energy consumption, the formation of secondary pollutants, low separation efficiency, etc. [4]. The use of membranes for the separation of oil-water emulsions was proposed as early as the meddle of the 20th century [5].…”
Section: Introductionmentioning
confidence: 99%
“…Undoubtedly, in addition to the WCA, it is also necessary to compare other parameters of the membrane (modifier material, pore size, etc. [4]).…”
Section: Introductionmentioning
confidence: 99%
“…Water treated in such ways should not consist of more than 5 ppm of oily components in the outlet in order to respect most restrictive regulations for a water discharge into environment or its use for irrigation [ 1 ]. A few reviews focused on various aspects of materials, technologies, and theoretical modelling of tertiary treatment of produced water have been published very recently [ 9 , 10 ].…”
Section: Introductionmentioning
confidence: 99%
“…Since the complex configuration of the surfactant stabilized water/oil emulsions causes their separation a very complicated process, it is very necessary to explore the nature of emulsions and the strategies required to resolve their separation related issues. Generally, the oil-in-water and water-in-oil emulsions are very common in this intense mix of oil and water [ 10 , 11 , 12 ]. The floatation techniques such as dissolved air floatation, dispersed air floatation and electroflotation techniques are utilized for separating the oil/water emulsions, but numerous problems are associated with those methods [ 13 ].…”
Section: Introductionmentioning
confidence: 99%