Filtering cylindrical–conical hydrocyclone_中国颗粒学会


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Partic. vol. 47 pp. 54-62 (December 2019)
doi: 10.1016/j.partic.2018.11.003

Filtering cylindrical–conical hydrocyclone

Fernanda F. Salvadora, Marcos A.S. Barrozob, Luiz G.M. Vieirab,*

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    • Filtration influences hydrocyclone performance. • Hydrocyclone performance depends on location of porous medium. • Filtering hydrocyclones exhibit higher capacities at the same pressure drop. • FCyCoH-OT1 was optimized for efficiency: [Di/Dc Do/Dc L/Dc θ] = [0.16 0.19 7.3 9.0°]. • FCyCoH-OT2 was optimized for Euler number: [Di/Dc Do/Dc L/Dc θ] = [0.26 0.35 6.7 20.0°].


Hydrocyclones have versatile applications in various industrial processes. They functionn on the principle of centrifugal separation to remove a dispersed phase (particles or drops) from a continuous phase (fluid). In unconventional filtering hydrocyclones, the separation efficiency and energy costs have been improved by combining filtration with centrifugal separation. This work investigated experimentally the effect of incorporating a cylinder and a porous cone in a conventional hydrocyclone. It also evaluated the effects of the main geometric dimensions of the separator on the hydrocyclone performance. A differential-evolution algorithm was applied to optimize the hydrocyclone performance, which was represented as the maximum total efficiency and minimum Euler number. The experimental results validated the optimization results and showed that hydrocyclones with optimized geometries exhibited higher total efficiencies (89.59%) and lower Euler numbers (582) than hydrocyclones with other experimental configurations.

Graphical abstract


Solid–liquid separation; Hydrocyclone; Filtration; Differential evolution