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Improving crude oil Flow Using Graphene Flakes under an Applied Electric Field

Fluid Dynamics & Materials Processing 2023年第8期19卷 2067-2081页

作者： Thaer Al-Jadir Laith S.Sabri Wafaa A.Kadhim Saja Mohsen Alardhi Raheek I.Ibrahim Environment Research Center University of Technology-IraqBaghdadIraq Chemical Engineering Department University of Technology-IraqBaghdadIraq Nanotechnology and Advanced Materials Research Center University of Technology-IraqBaghdadIraq Electromechanical Engineering Department University of Technology-IraqBaghdadIraq

Graphene flakes(GF)have been prepared and assessed as a material for improving flow in oil pipelines under the effect of an electric *** particular,different amounts of GFs have been considered in order to determine the optimal flow *** GFs were prepared from graphite foam,derived from the dehydration of sugar with a particle size of 500-600μm,which was dispersed in ethanol and exfoliated in a ball mill under a shear *** 15 h of exfoliation,sonication,and subsequent high-speed centrifugation at 3000 rpm,irregular-shaped GFs of 50-140 nm were produced and characterized using scanning electron microscopy,X-ray diffractometry,atomic force microscopy,and Raman *** prepared graphene sheets have been found to display excellent morphology and good graphitic *** on flow improvement were conducted using the central composite rotatable design method for three parameters:stimulation time(15,30,45,and 60 s),applied voltage(150,170,200,and 220 V),and concentration of the GFs(0,100,200,and 400 mg/L).The optimal conditions for improved crude oil flow were then determined using the STATISTICA and WinQSB software *** results have confirmed the effectiveness of the use of the prepared GFs as a flow improver for crude oil,where the flow improvement is essentially a result of a reduction in viscosity and suppression of friction in the crude oil system.

关键词： Graphene flakes flow improvement crude oil pipelines electrical field optimization

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