Numerical research on biomass wastewater treatment using double-partition vessel with off-centered impellers
Keywords:
biomass, wastewater treatment, double-partition vessel, computational fluid dynamicsAbstract
Limited by single function, it is difficult for the traditional stirred vessels to meet the requirements of mixing system in biomass wastewater treatment processes. The estimation of biomass wastewater stirring reactor performance by computational fluid dynamics (CFD) during multiphase reactions is important, due to the uncertainty in the numerical results. In this study, a novel double-partition stirred vessel with eccentrically located impellers was developed for the special subject. In addition, many simulations were carried out with the wastewater from biomass ethanol production as the medium to ensure the high reactor performance. The fluid flow was simulated and analyzed using the turbulent RNG k-ε model and multi reference frames. A good agreement is found between the simulation results and the confirmatory experiment. Moreover, the weir crest and interconnected pore were specially designed for the establishment of the circulation of fluid to maintain different technological conditions in the two regions. The distributions of radial velocities and tangential velocities were concentrated near the stirring blade. From the velocity profile, it is deduced that the flow pattern in the stirred vessel is insensitive to Reynolds number. Finally, this simulation study could contribute to the improvement and optimization of the structure, as well as the operation of the novel stirred vessel. Keywords: biomass, wastewater treatment, double-partition vessel, computational fluid dynamics DOI: 10.25165/j.ijabe.20231602.7637 Citation: Zhang W, Yang Y J, Qian W M, Ma L L, Chen L G, Liu N, et al. Numerical research on biomass wastewater treatment using double-partition vessel with off-centered impellers. Int J Agric & Biol Eng, 2023; 16(2): 232-240.References
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[2] Ali B A, Falleiro L H. Effect of baffle configuration on performance of batch stirred vessel. Korean J Chem Eng, 2022; 38: 1–12.
[3] Lee J. Regime changes of industrial powder mixing in a stirred vessel. Powder Technol, 2021; 392: 306–316.
[4] Giacomelli J J, Van den Akker H E A. A spectral approach of suspending solid particles in a turbulent stirred vessel. AIChE J, 2021; 67: 17097. doi: 10.1002/aic.17097
[5] Ducoste J J, Clark M M. Turbulence in flocculators: Comparison of measurements and CFD simulations. AIChE J, 1999; 45: 432–436.
[6] Yang K, Wu K, Zhang H. Machine learning prediction of the yield and oxygen content of bio-oil via biomass characteristics and pyrolysis conditions. Energy, 2022; 254: 124320. doi: 10.1016/j.energy.2022.124320
[7] Liu X, Deng Q, Zheng Y, Wang D, Ni B-J. Microplastics aging in wastewater treatment plants: Focusing on physicochemical characteristics changes and corresponding environmental risks. Water Res, 2022; 221: 118780. doi: 10.1016/j.watres.2022.118780
[8] Li G, Zhang J, Li H, Hu R, Yao X, Liu Y, et al. Towards high-quality biodiesel production from microalgae using original and anaerobically-digested livestock wastewater. Chemosphere, 2021; 273: 128578. doi: 10.1016/j.chemosphere.2020.128578
[9] Li G, Lu Z, Zhang J, Li H, Zhou Y, Zayan A M I, et al. Life cycle assessment of biofuel production from microalgae cultivated in anaerobic digested wastewater. Int J Agric Biol Eng, 2020; 13: 241–246.
[10] Wu J, Li Q, Li W, Li Y, Wang G, Li A, et al. Efficient removal of acid dyes using permanent magnetic resin and its preliminary investigation for advanced treatment of dyeing effluents. J Clean Prod, 2020; 251.
[11] Büttner O, Jawitz J W, Birk S, Borchardt D. Why wastewater treatment fails to protect stream ecosystems in Europe. Water Res, 2022; 217: 118382. doi: 10.1016/j.watres.2022.118382
[12] Manshoor B, Mdsaufi M F, Zaman I, Khalid A. CFD Analysis of industrial multi-stage impeller in stirred tank with fractal pattern baffled and impeller. Appl Mech Mater, 2015; 773–774: 337–342.
[13] Tamburini A, Brucato A, Ciofalo M, Gagliano G, Micale G, Scargiali F. CFD simulations of early- to fully-turbulent conditions in unbaffled and baffled vessels stirred by a Rushton turbine. Chem Eng Res Des, 2021; 171: 36–47.
[14] Ghasem N. CFD simulation of CO2 absorption by water-based TiO2 nanoparticles in a high pressure stirred vessel. Sci Rep, 2021; 11: 1–11.
[15] Russell A W, Kahouadji L, Mirpuri K, Quarmby A, Piccione P M, Matar O K, et al. Mixing viscoplastic fluids in stirred vessels over multiple scales: A combined experimental and CFD approach. Chem Eng Sci, 2019; 208: 115129. doi: 10.1016/j.ces.2019.07.047
[16] Lin C, Taleghani A D, Kang Y, Xu C. A coupled CFD-DEM numerical simulation of formation and evolution of sealing zones. J Pet Sci Eng, 2022; 208: 109765. doi: 10.1016/j.petrol.2021.109765
[17] Wang S, Jiang X, Wang R, Wang X, Yang S, Zhao J, et al. Numerical simulation of flow behavior of particles in a liquid-solid stirred vessel with baffles. Adv Powder Technol, 2017; 28: 1611–1624.
[18] Niño-Navarro C, Chairez I, Torres-Bustillos L, Ramírez-Muñoz J, Salgado-Manjarrez E, Garcia-Peña E I. Effects of fluid dynamics on enhanced biohydrogen production in a pilot stirred tank reactor: CFD simulation and experimental studies. Int J Hydrogen Energy, 2016; 41: 14630–14640.
[19] Ri P C, Kim J S, Kim T R, Pang C H, Mun H G, Pak G C, et al. Effect of hydraulic retention time on the hydrogen production in a horizontal and vertical continuous stirred-tank reactor. Int J Hydrogen Energy, 2019; 44: 17742–17749.
[20] Ri P C, Ren N Q, Ding J, Kim J S, Guo W Q. CFD optimization of horizontal continuous stirred-tank (HCSTR) reactor for bio-hydrogen production. Int J Hydrogen Energy, 2017; 42: 9630–9640.
[21] Gakingo G K, Clarke K G, Louw T M. A numerical investigation of the hydrodynamics and mass transfer in a three-phase gas-liquid-liquid stirred tank reactor. Biochem Eng J, 2020; 157: 107522. doi: 10.1016/j.bej.2020.107522
[22] Sawant S S, Khadamkar H P, Mathpati C S, Pandit R, Lali A M. Computational and experimental studies of high depth algal raceway pond photo-bioreactor. Renew Energy, 2018; 118: 152–159.
[23] Wu K, Yang K, Wang S, Yu J, Chu C, Luo B, et al. The enrichment of sugars and phenols from fast pyrolysis of bamboo via ethanol-Fenton pretreatment. Bioresour Technol, 2022; 356: 127315. doi: 10.1016/j.biortech.2022.127315
[24] Zhang H, Wang Y, Sayyar A, Wang T. A CFD-PBM coupled model under entire turbulent spectrum for simulating a bubble column with highly viscous media. AIChE J, 2021. doi: 10.1002/aic.17473
[25] Liu N, Wang W, Wang Y, Wang Z, Han J, Wu C, et al. Comparison of turbulent flow characteristics of liquid-liquid dispersed flow between CFD simulations and direct measurements with particle image velocimetry. Appl Therm Eng, 2017; 125: 1209–1217.
[26] De Lemos M J S, Pedras M H J. Recent mathematical models for turbulent flow in saturated rigid porous media. J Fluids Eng Trans ASME, 2001; 123: 935–940.
[27] Bashiri H, Alizadeh E, Bertrand F, Chaouki J. Investigation of turbulent fluid flows in stirred tanks using a non-intrusive particle tracking technique. Chem Eng Sci, 2016; 140: 233–251.
[28] Jaworski Z, Zakrzewska B. Modelling of the turbulent wall jet generated by a pitched blade turbine impeller. Chemical Engineering Research and Design, 2002; 80(8): 846-854.
[29] Kelly W, Gigas B. Using CFD to predict the behavior of power law fluids near axial-flow impellers operating in the transitional flow regime. Chem Eng Sci, 2003; 58: 2141–2152.
[30] Singh K K, Mahajani S M, Shenoy K T, Patwardhan A W, Ghosh S K. CFD modeling of pilot-scale pump-mixer: Single-phase head and power characteristics. Chem Eng Sci, 2007; 62: 1308–1322.
[31] Ammar M, Chtourou W, Driss Z, Abid M S. Numerical investigation of turbulent flow generated in baffled stirred vessels equipped with three different turbines in one and two-stage system. Energy, 2011; 36: 5081–5093.
[32] Silva P, Tsoutsanis P, Antoniadis A F. Numerical investigation of full helicopter with and without the ground effect. Aerosp Sci Technol, 2022; 122: 107401. doi: 10.1016/j.ast.2022.107401
[33] Karim M M, Prasad B, Rahman N. Numerical simulation of free surface water wave for the flow around NACA 0015 hydrofoil using the volume of fluid (VOF) method. Ocean Eng, 2014; 78: 89–94.
[34] Darshan M B, Kumar R, Das A K. Numerical study of interfacial dynamics in flow boiling of R134a inside smooth and structured tubes. Int J Heat Mass Transf, 2022; 188: 122592. doi: 10.1016/j.ijheatmasstransfer.2022.122592
[35] Buhendwa A B, Bezgin D A, Adams N A. Consistent and symmetry preserving data-driven interface reconstruction for the level-set method. J Comput Phys, 2022; 457: 111049. doi: 10.1016/j.jcp.2022.111049
[36] Xiao J, Wu Q, Chen L, Ke W, Wu C, Yang X, et al. Assessment of different CFD modeling and solving approaches for a supersonic steam ejector simulation. Atmosphere (Basel), 2022; 13. doi: 10.3390/atmos13010144
[37] Sahu A K, Kumar P, Joshi J B. Simulation of flow in stirred vessel with axial flow impeller: zonal modeling and optimization of parameters. Ind Eng Chem Res, 1998; 37: 2116–2130.
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Published
2023-05-12
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Zhang, W., Yang, Y., Qian, W., Ma, L., Chen, L., Liu, N., … Chen, Y. (2023). Numerical research on biomass wastewater treatment using double-partition vessel with off-centered impellers. International Journal of Agricultural and Biological Engineering, 16(2), 232–240. Retrieved from https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/7637
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Renewable Energy and Material Systems
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