I researched the solar collectors implemented in practice for water detoxification and I found out that the preferred design is the Compound Parabolic Concentrator. Knowing that I have no information regarding radiation beyond what's taught generally in heat transfer courses in chemical engineering to understand the models that describe the possible attenuation from absorption of photons by reacting molecules. I decided to use the simplest model of all, Lambert-Beer model, which consider that light passes through a fully homogenous media, and that no scattering takes place. But since I am not experimentally investigating phenol degradation I don't know whether the media partially absorbs light or is non-absorbing.
I also haven't decided on the geometry of the reactor I will work with, flat or tube. However, I found out that the tube is a natural choice for design because it is able to withstand the operating pressures anticipated for fluid circulation. Finally, where can I find the reaction scheme for the photocatalytic oxidation of phenol to derive the kinetic model?
Try the following paper: “Photocatalytic oxidation of phenolic compounds in wastewater from oil shale treatment” Water Science and Technology Volume 35, Issue 4, 1997, Pages 165-174
Check recent review papers on AOPs - you find a lot data on phenol degradation, including photocatal. degrad. (you can also check my papers on AOPs).
regards,
GB
Hi Abdelmoniem,
It's not completely clear which process you want to model, but I assume that it's the UV/H2O2 process. There exists plenty of publications on this topic. A good starting point to initiate the modelling excercise might be the paper which can be found on the following link.
http://www.hu.usp.br/wp-content/uploads/sites/84/2018/07/edalatmanesh-et-al.-2007.pdf
Note that it's a very simple publication which is completely focused on the reaction kinetics. The publication is quite detailed which makes that the model can be easily implemented within a few days in Matlab / python or any other programming language where you are convenient with. If you're focussing on reactor optimization,the model can serve as the starting point for the model development of more advanced models that also include e.g. radiation transfer or fluid flow.
Good luck!
Niels
Niels Wardenier Grzegorz Boczkaj David Oulton I was not clear in articulating what I am supposed to do and I apologize for the inconvenience. So what I am trying to model is a photocatalytic reactor used to degrade phenol from waste water using fixed titanium oxide catalyst. After reading about the different radiative models and how the radiation flux is attenuated from absorption of photons of reacting molecules and since I don't have enough background information I decided to apply Beer Lambert model hence the reason I chose fixed titanium oxide catalyst instead of suspended.
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