Numerical Simulation of the Cleaning Performance of a Venturi Scrubber

Haouari Khadra, Rahmani Kouider, Naas Toufik Tayeb, Awf Al-Kassir and Juan Pablo Carrasco-Amador
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Haouari Khadra: LDMM Laboratory, Ziane Achour University of Djelfa, Djelfa 17000, Algeria
Rahmani Kouider: Research Laboratory Modeling Simulation and Optimization of Real Complex Systems, Djelfa 17000, Algeria
Naas Toufik Tayeb: Gas Turbine Joint Research Team, Ziane Achour University of Djelfa, Djelfa 17000, Algeria
Awf Al-Kassir: School of Industrial Engineering, University of Extremadura, 06006 Badajoz, Spain
Juan Pablo Carrasco-Amador: School of Industrial Engineering, University of Extremadura, 06006 Badajoz, Spain

Energies, 2022, vol. 15, issue 4, 1-17

Abstract: Industrial applications need to use different systems for the problem of gas cleaning. A lot of processes have been developed, such as the use of a venturi for gas cleaning and pollution reduction. Additionally, several studies have been developed especially in terms of pressure drop because it is one of the main parameters to determine its efficiency. While the phenomenon of mass transfer in a venturi scrubber has not found much attention, in the present study, a mass transfer two-dimensional simulation is developed for gasification gas cleaning through a venturi scrubber with boundary conditions represented in air inlet velocities of 10, 15, and 20 m/s and water inlet mass flow of 0.02, 0.04 and 0.06 kg/s. In this work, Navier–Stokes equations are solved numerically and the mass transfer technique is treated by the volume of fluid (VOF) model, using CFD software. The obtained results were analyzed by presenting the mass fraction, velocity and pressure contours, and profiles. The probability density function (PDF) of mass transfer is studied too, showing how the removal efficiency of the venturi scrubber increases with a decrease in the liquid flow rate and an increase in the gas velocity. Therefore, the results show that the proposed venturi has the best mass transfer performance with a PDF that reaches 97.6 for velocity liquid of 20 m/s and the removal efficiency showed higher values at low liquid flow rates.

Keywords: energy cost; mass transfer; probability density function; removal efficiency; venturi; volume of fluid (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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