Modeling of reaction–desorption process by core–shell particles dispersed in continuously stirred tank reactor (CSTR)
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Young-Sang Cho
und
Hoai-Han Nguyen
Abstract
Transient responses of reaction–desorption process were predicted from mathematical solutions of modeling equations for CSTR (continuously stirred tank reactor) containing core–shell adsorbent particles. Analytical solutions on the core–shell particles were derived for core–shell spherical, cylindrical, and slab-type morphologies, assuming inert-cores. Unlike continuous adsorber, CSTRs for reaction–desorption process containing spherical particles exhibited the slowest reduction rate of concentration of adsorbate, because the amount of adsorbed component on the particles is the largest among three kinds of particle shapes. Factors affecting the transient concentration in bulk medium of reaction–desorption process were investigated by adjusting inert-core thickness, inlet flow rate, initial concentration of reactant in inflow stream, amount of adsorbent, and Thiele modulus. Concentration profile inside the particles as well as average intra-particle concentration could be also predicted for comparison with bulk concentration of CSTR. For non-linear isotherm and non-linear reaction kinetics, concentration of active component could be predicted by solving non-linear coupled differential equation using finite element method. For connected CSTRs in series, systems of reaction-diffusion equations were solved by finite element method to study the effect of number of connected reactors. When the number of reactors was sufficiently large, the reactor system could be approximated to fixed bed reactor for reaction–desorption process.
Funding source: Priority Research Centers Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education
Award Identifier / Grant number: NRF-2017R1A6A1A03015562
Funding source: the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT)
Award Identifier / Grant number: No. RS-2023-00250648
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Research ethics: Not applicable.
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Author contributions: The authors have accepted responsibility for the entire content of this manuscript and approved its submission.
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Competing interests: The authors states no conflict of interest.
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Research funding: This research was supported by Priority Research Centers Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (NRF-2017R1A6A1A03015562) and the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (No. RS-2023-Q5 00250648).
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Data availability: The raw data can be obtained on request from the corresponding author.
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© 2024 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Research Articles
- Numerical investigation of liquid mass fraction and condensation shock of wet-steam flow through convergence-divergence nozzle using strategic water droplets injection
- Energy, exergy, economic, and environmental analysis of natural gas sweetening process using lean vapor compression: a comparison study
- Enhancing heat transfer in tube heat exchanger containing water/Cu nanofluid by using turbulator
- Development of a superstructure optimization framework with heat integration for the production of biodiesel
- Smith predictor based fractional order controller design for improved performance and robustness of unstable FOPTD processes
- Kinetic studies and dynamic modeling of sophorolipids production by Candida catenulata using different carbon sources
- Modeling of reaction–desorption process by core–shell particles dispersed in continuously stirred tank reactor (CSTR)
- Mathematical modeling and evaluation of permeation and membrane separation performance for Fischer–Tropsch products in a hydrophilic membrane reactor
- Hydrodynamic simulation-informed compartment modelling of an annular centrifugal contactor
- Short Communication
- Simulation of single-effect and triple-effect evaporator for fruit juice concentration using Aspen HYSYS
Artikel in diesem Heft
- Frontmatter
- Research Articles
- Numerical investigation of liquid mass fraction and condensation shock of wet-steam flow through convergence-divergence nozzle using strategic water droplets injection
- Energy, exergy, economic, and environmental analysis of natural gas sweetening process using lean vapor compression: a comparison study
- Enhancing heat transfer in tube heat exchanger containing water/Cu nanofluid by using turbulator
- Development of a superstructure optimization framework with heat integration for the production of biodiesel
- Smith predictor based fractional order controller design for improved performance and robustness of unstable FOPTD processes
- Kinetic studies and dynamic modeling of sophorolipids production by Candida catenulata using different carbon sources
- Modeling of reaction–desorption process by core–shell particles dispersed in continuously stirred tank reactor (CSTR)
- Mathematical modeling and evaluation of permeation and membrane separation performance for Fischer–Tropsch products in a hydrophilic membrane reactor
- Hydrodynamic simulation-informed compartment modelling of an annular centrifugal contactor
- Short Communication
- Simulation of single-effect and triple-effect evaporator for fruit juice concentration using Aspen HYSYS
