Modeling of Mass Transfer and Reaction Kinetics in ZnO Nanoparticle Micro-Reactor Systems for AMX and DOX Degradation
Received: 12 January 2024 | Revised: 19 February 2024 | Accepted: 28 February 2024 | Online: 27 March 2024
Corresponding author: Nidhal Becheikh
Abstract
This study aims to model the coupled phenomena of photocatalytic reaction and mass transfer in the degradation of Amoxicillin (AMX) and Doxycycline (DOX) using Zinc oxide (ZnO) nanoparticles within microreactor systems. The objective is to gain a comprehensive understanding of the dynamic interaction between the photocatalytic degradation kinetics and the mass transfer processes to optimize the conditions for efficient antibiotic removal from contaminated water. This involves characterizing the reaction kinetics via the Langmuir-Hinshelwood model, estimating the mass transfer coefficients, and analyzing the effects of axial dispersion to ensure the accurate determination of intrinsic kinetic constants and minimize mass transfer limitations. This study used a syringe pump to ensure a consistent flow of antibiotic solution into the microreactor. The results indicate that AMX reaches adsorption equilibrium more rapidly than DOX, corresponding to its faster photocatalytic degradation kinetics and higher final conversion rate (89% for AMX, 86% for DOX). The mass transfer coefficient (kd) was estimated using the Sherwood number, derived from three different models, with the constant Sherwood model best fitting the R1 microreactor data. An analysis of the Damköhler number (DaII) indicates that high flow rates minimize mass transfer limitations in the R1 microreactor, allowing the determination of near-intrinsic kinetic constants. On the contrary, at low flow rates, kinetic constants are apparent as a result of mass-transfer limitations. The study concludes that higher flow rates (≥ 10 mL/h) in the R1 microreactor are preferable to approach intrinsic kinetics and reduce mass transfer limitations during photocatalytic degradation of antibiotics. These findings underscore the potential of ZnO-based oxidation processes in treating antibiotic-contaminated water with optimized conditions, providing a pathway for efficient and sustainable wastewater treatment.
Keywords:
modeling, photocatalytic degradation, micro-reactors, kinetic constants, mass transfer limitationsDownloads
References
Md. G. Uddin, S. Nash, and A. I. Olbert, "A review of water quality index models and their use for assessing surface water quality," Ecological Indicators, vol. 122, Mar. 2021, Art. no. 107218.
N. Akhtar, M. I. Syakir Ishak, S. A. Bhawani, and K. Umar, "Various Natural and Anthropogenic Factors Responsible for Water Quality Degradation: A Review," Water, vol. 13, no. 19, Jan. 2021, Art. no. 2660.
F. Zenati, A. Djellali, and D. Sarker, "Wastewater Assessment and Biochemical Oxygen Demand Value Prediction from Mining Operations: A Case Study," Engineering, Technology & Applied Science Research, vol. 13, no. 3, pp. 10754–10758, Jun. 2023.
D. S. Malik, A. K. Sharma, A. K. Sharma, R. Thakur, and M. Sharma, "A review on impact of water pollution on freshwater fish species and their aquatic environment," in Advances in Environmental Pollution Management: Wastewater Impacts and Treatment Technologies, Haridwar, India: Agro Environ Media, 2020, pp. 10–28.
R. Alduina, "Antibiotics and Environment," Antibiotics, vol. 9, no. 4, Apr. 2020, Art. no. 202.
M. Bilal, S. Mehmood, T. Rasheed, and H. M. N. Iqbal, "Antibiotics traces in the aquatic environment: persistence and adverse environmental impact," Current Opinion in Environmental Science & Health, vol. 13, pp. 68–74, Feb. 2020.
E. Y. Klein et al., "Global increase and geographic convergence in antibiotic consumption between 2000 and 2015," Proceedings of the National Academy of Sciences, vol. 115, no. 15, pp. E3463–E3470, Apr. 2018.
A. Z. Al Meslamani, "Antibiotic resistance in low- and middle-income countries: current practices and its global implications," Expert Review of Anti-infective Therapy, vol. 21, no. 12, pp. 1281–1286, Dec. 2023.
P. Kovalakova, L. Cizmas, T. J. McDonald, B. Marsalek, M. Feng, and V. K. Sharma, "Occurrence and toxicity of antibiotics in the aquatic environment: A review," Chemosphere, vol. 251, Jul. 2020, Art. no. 126351.
R. N. Abbas and A. S. Abbas, "The Taguchi Approach in Studying and Optimizing the Electro-Fenton Oxidation to Reduce Organic Contaminants in Refinery Wastewater Using Novel Electrodes," Engineering, Technology & Applied Science Research, vol. 12, no. 4, pp. 8928–8935, Aug. 2022.
J. Wang and S. Wang, "Reactive species in advanced oxidation processes: Formation, identification and reaction mechanism," Chemical Engineering Journal, vol. 401, Dec. 2020, Art. no. 126158.
J. Wang and R. Zhuan, "Degradation of antibiotics by advanced oxidation processes: An overview," Science of The Total Environment, vol. 701, Jan. 2020, Art. no. 135023.
S. Li et al., "Antibiotics degradation by advanced oxidation process (AOPs): Recent advances in ecotoxicity and antibiotic-resistance genes induction of degradation products," Chemosphere, vol. 311, Jan. 2023, Art. no. 136977.
P. Krystynik, "Advanced Oxidation Processes (AOPs) – Utilization of Hydroxyl Radical and Singlet Oxygen," in Reactive Oxygen Species, IntechOpen, 2021.
C. Amor, J. R. Fernandes, M. S. Lucas, and J. A. Peres, "Hydroxyl and sulfate radical advanced oxidation processes: Application to an agro-industrial wastewater," Environmental Technology & Innovation, vol. 21, Feb. 2021, Art. no. 101183.
A. G. Akerdi and S. H. Bahrami, "Application of heterogeneous nano-semiconductors for photocatalytic advanced oxidation of organic compounds: A review," Journal of Environmental Chemical Engineering, vol. 7, no. 5, Oct. 2019, Art. no. 103283.
K. Bano, S. Kaushal, and P. P. Singh, "A review on photocatalytic degradation of hazardous pesticides using heterojunctions," Polyhedron, vol. 209, Nov. 2021, Art. no. 115465.
S. Bagheri, A. TermehYousefi, and T.-O. Do, "Photocatalytic pathway toward degradation of environmental pharmaceutical pollutants: structure, kinetics and mechanism approach," Catalysis Science & Technology, vol. 7, no. 20, pp. 4548–4569, Oct. 2017.
I. Khan, K. Saeed, N. Ali, I. Khan, B. Zhang, and M. Sadiq, "Heterogeneous photodegradation of industrial dyes: An insight to different mechanisms and rate affecting parameters," Journal of Environmental Chemical Engineering, vol. 8, no. 5, Oct. 2020, Art. no. 104364.
A. Mir, N. Becheikh, L. Khezami, M. Bououdina, and A. Ouderni, "Synthesis, Characterization, and Study of the Photocatalytic Activity upon Polymeric-Surface Modification of ZnO Nanoparticles," Engineering, Technology & Applied Science Research, vol. 13, no. 6, pp. 12047–12053, Dec. 2023.
F. H. Abdullah, N. H. H. A. Bakar, and M. A. Bakar, "Current advancements on the fabrication, modification, and industrial application of zinc oxide as photocatalyst in the removal of organic and inorganic contaminants in aquatic systems," Journal of Hazardous Materials, vol. 424, Feb. 2022, Art. no. 127416.
T. H. Nguyen, T. A. N. Cong, and A.-T. Vu, "Synthesis of Carnation-Like ZnO for Photocatalytic Degradation of Antibiotics, Including Tetracycline Hydrochloride," Environmental Engineering Science, vol. 40, no. 8, pp. 329–339, Aug. 2023.
S. Zeinali Heris, M. Etemadi, S. B. Mousavi, M. Mohammadpourfard, and B. Ramavandi, "Preparation and characterizations of TiO2/ZnO nanohybrid and its application in photocatalytic degradation of tetracycline in wastewater," Journal of Photochemistry and Photobiology A: Chemistry, vol. 443, Sep. 2023, Art. no. 114893.
M. R. da Silva, D. L. Cunha, and E. M. Saggioro, "Insight into antibiotic degradation through photocatalysis processes: Photocatalysts semiconductors, transformation products and influencing factors." Research Square, Jun. 06, 2023.
X. Yu et al., "Preparation of ZnO/Cu2O Composite Particles and Its Degradation of Ciprofloxacin: Analysis of Degradation Performance and Active Species," Integrated Ferroelectrics, vol. 236, no. 1, pp. 96–108, Jul. 2023.
N. Roy, K. Kannabiran, and A. Mukherjee, "Integrated adsorption and photocatalytic degradation based removal of ciprofloxacin and sulfamethoxazole antibiotics using Fc@rGO-ZnO nanocomposite in aqueous systems," Chemosphere, vol. 333, Aug. 2023, Art. no. 138912.
R. K. Dharman, A. Mariappan, and T. H. Oh, "Accelerated photocatalytic degradation of sulfonamide antibiotic pollutant using oxygen vacancy in metal-organic framework ZIF-8/Ag3PO4 heterostructure," Surfaces and Interfaces, vol. 39, Jul. 2023, Art. no. 102998.
M. Sharma et al., "Photocatalytic degradation of four emerging antibiotic contaminants and toxicity assessment in wastewater: A comprehensive study," Environmental Research, vol. 231, Aug. 2023, Art. no. 116132.
J. C. G. da Silva, J. L. F. Alves, G. D. Mumbach, and M. Di Domenico, "Photocatalytic degradation of ethylene in tubular microreactor coated with thin-film of TiO2: Mathematical modeling with experimental validation and geometry analysis using computational fluid dynamics simulations," Chemical Engineering Research and Design, vol. 196, pp. 101–117, Aug. 2023.
R. Mondal, "Micro-segregated two-dimensional fluid and mass transport modelling in unsteady rotating annular photocatalytic reactor," Results in Engineering, vol. 16, Dec. 2022, Art. no. 100752.
N. A. B. Timmerhuis, J. A. Wood, and R. G. H. Lammertink, "Connecting experimental degradation kinetics to theoretical models for photocatalytic reactors: The influence of mass transport limitations," Chemical Engineering Science, vol. 245, Dec. 2021, Art. no. 116835.
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