Simulations of Photodegradation of Toluene and Formaldehyde in a Monolith Reactor Using Computational Fluid Dynamics
In this study, simulations were conducted on a monolith reactor for the photodegradation of toluene and formaldehyde. The monoliths in the reactor were treated as porous zones and the photocatalytic oxidation occurring on the monolith surfaces was modeled using Langmuir–Hinshelwood kinetics. A discr...
| Main Authors: | , , , , |
|---|---|
| Format: | Journal Article |
| Published: |
American Institute of Chemical Engineers.
2011
|
| Online Access: | http://hdl.handle.net/20.500.11937/10655 |
| _version_ | 1848747593093349376 |
|---|---|
| author | Chong, Siewhui Wang, Shaobin Tade, Moses Ang, Ha Ming Pareek, Vishnu |
| author_facet | Chong, Siewhui Wang, Shaobin Tade, Moses Ang, Ha Ming Pareek, Vishnu |
| author_sort | Chong, Siewhui |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | In this study, simulations were conducted on a monolith reactor for the photodegradation of toluene and formaldehyde. The monoliths in the reactor were treated as porous zones and the photocatalytic oxidation occurring on the monolith surfaces was modeled using Langmuir–Hinshelwood kinetics. A discrete ordinates model was used to simulate the light intensity with a novel approach, which involved an adjustable parameter—the absorption coefficient of the channel wall, for modeling the local light intensity across the porous media. The advantage of this approach was that despite its simplicity, it was able to capture and visualize the local light profile across the monolith channels and to integrate it into the reaction kinetics. Although it required a trial-and-error to determine the correct value of the channel wall absorption coefficient, the proposed model achieved a reasonable agreement between the simulation results and published experimental data. |
| first_indexed | 2025-11-14T06:51:36Z |
| format | Journal Article |
| id | curtin-20.500.11937-10655 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T06:51:36Z |
| publishDate | 2011 |
| publisher | American Institute of Chemical Engineers. |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-106552017-09-13T16:01:59Z Simulations of Photodegradation of Toluene and Formaldehyde in a Monolith Reactor Using Computational Fluid Dynamics Chong, Siewhui Wang, Shaobin Tade, Moses Ang, Ha Ming Pareek, Vishnu In this study, simulations were conducted on a monolith reactor for the photodegradation of toluene and formaldehyde. The monoliths in the reactor were treated as porous zones and the photocatalytic oxidation occurring on the monolith surfaces was modeled using Langmuir–Hinshelwood kinetics. A discrete ordinates model was used to simulate the light intensity with a novel approach, which involved an adjustable parameter—the absorption coefficient of the channel wall, for modeling the local light intensity across the porous media. The advantage of this approach was that despite its simplicity, it was able to capture and visualize the local light profile across the monolith channels and to integrate it into the reaction kinetics. Although it required a trial-and-error to determine the correct value of the channel wall absorption coefficient, the proposed model achieved a reasonable agreement between the simulation results and published experimental data. 2011 Journal Article http://hdl.handle.net/20.500.11937/10655 10.1002/aic.12295 American Institute of Chemical Engineers. restricted |
| spellingShingle | Chong, Siewhui Wang, Shaobin Tade, Moses Ang, Ha Ming Pareek, Vishnu Simulations of Photodegradation of Toluene and Formaldehyde in a Monolith Reactor Using Computational Fluid Dynamics |
| title | Simulations of Photodegradation of Toluene and Formaldehyde in a Monolith Reactor Using Computational Fluid Dynamics |
| title_full | Simulations of Photodegradation of Toluene and Formaldehyde in a Monolith Reactor Using Computational Fluid Dynamics |
| title_fullStr | Simulations of Photodegradation of Toluene and Formaldehyde in a Monolith Reactor Using Computational Fluid Dynamics |
| title_full_unstemmed | Simulations of Photodegradation of Toluene and Formaldehyde in a Monolith Reactor Using Computational Fluid Dynamics |
| title_short | Simulations of Photodegradation of Toluene and Formaldehyde in a Monolith Reactor Using Computational Fluid Dynamics |
| title_sort | simulations of photodegradation of toluene and formaldehyde in a monolith reactor using computational fluid dynamics |
| url | http://hdl.handle.net/20.500.11937/10655 |