2021
DOI: 10.1002/ese3.884
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Investigating effect of polymer concentrations on separation performance of hydrocyclone by sensitivity analysis

Abstract: Polymer flooding technology is widely used to enhance the oil recovery, but it increases the viscosity of the produced liquid, making the subsequent water treatment more challenging. Application of polymers impacts separation performance of hydrocyclone, which is an important equipment of produced liquid preseparation and sewage treatment in oil fields. In this work, the effect of polymer solution concentrations on the separation performance of hydrocyclone was studied by using sensitivity analysis. The sensit… Show more

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Cited by 10 publications
(2 citation statements)
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“…As can be seen, the improved pseudoplastic behavior and apparent viscosity impaired the collection of particulate material, leading to a smaller number of particles in the underflow stream. It is known that apparent viscosity is an important parameter in the fluid’s vortex flow field and that the increased apparent viscosity of the non-Newtonian fluid is the most fundamental reason for the decreases observed in the tangential velocity and collection efficiency. ,, In addition, the grade efficiency curves show that when comparing both devices, the filtering hydrocyclone can collect more fine particles than the conventional equipment. This might be due to the suspension tendency to maintain near the porous wall, ,,, which could keep finer material in the forced vortex, increasing its chance of being collected.…”
Section: Resultsmentioning
confidence: 99%
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“…As can be seen, the improved pseudoplastic behavior and apparent viscosity impaired the collection of particulate material, leading to a smaller number of particles in the underflow stream. It is known that apparent viscosity is an important parameter in the fluid’s vortex flow field and that the increased apparent viscosity of the non-Newtonian fluid is the most fundamental reason for the decreases observed in the tangential velocity and collection efficiency. ,, In addition, the grade efficiency curves show that when comparing both devices, the filtering hydrocyclone can collect more fine particles than the conventional equipment. This might be due to the suspension tendency to maintain near the porous wall, ,,, which could keep finer material in the forced vortex, increasing its chance of being collected.…”
Section: Resultsmentioning
confidence: 99%
“…The reduced overall efficiency evaluates the solid material collected in the underflow stream due to the centrifugal sedimentation of the device. When the solids concentration increases or when the suspension becomes more viscous and pseudoplastic because of the viscosifier addition, both the vortex intensity and the tangential velocity decrease, ,,,,,, thus reducing the number of particles collected by centrifugal sedimentation of the hydrocyclone, which results in a lower E T ′.…”
Section: Resultsmentioning
confidence: 99%