Review of major design and scale-up considerations for solar photocatalytic reactors / Rowan J. Braham in Industrial & engineering chemistry research, Vol. 48 N° 19 (Octobre 2009)  

Public ISBD [article]  inIndustrial & engineering chemistry research > Vol. 48 N° 19 (Octobre 2009) . - pp. 8890–8905 Titre : Review of major design and scale-up considerations for solar photocatalytic reactors Type de document : texte imprimé Auteurs : Rowan J. Braham, Auteur ; Andrew T. Harris, Auteur Année de publication : 2009 Article en page(s) : pp. 8890–8905 Note générale : Chemical engineering Langues : Anglais (eng) Mots-clés : Photocatalytic reactors Industrial-scale implementation Résumé : Photocatalytic processes are applicable in wastewater treatment, energy production, chemical synthesis, and greenhouse gas mitigation and thus have the potential to address both the consumption of nonrenewable fossil fuels and global warming, two of the greatest problems facing humankind. The ability to achieve these outcomes using only solar energy as an input is particularly attractive. However, the implementation of most photocatalytic processes at an effective scale requires the use of a photoreactor, a device which brings photons, a photocatalyst and reactants into contact, as well as collecting the reaction products. In this work, we review the state-of-the-art in solar photoreactor design and assess those systems which are most applicable for industrial-scale implementation. Designs for parabolic trough, compound parabolic, inclined plate, double skin sheet, rotating disk, water bell, fiber optic, and fixed/fluidized bed photoreactors are qualitatively discussed and compared. Compound parabolic photoreactors are most suited to near term applications at pilot-scale (>1000 L/day) due to their advantageous light collecting properties and well-known design methodology. Double-skin sheet photoreactors are also suited to near term applications; however, significantly less is known about their design and performance discrepancies between studies in the literature have been reported. Compared to other photoreactor designs, the significantly simplified design and low material cost of inclined plate photoreactors makes them particularly suitable for use in economically and logistically challenged areas where the volumes to be treated are small ( En ligne : http://pubs.acs.org/doi/abs/10.1021/ie900859z [article] Review of major design and scale-up considerations for solar photocatalytic reactors [texte imprimé] / Rowan J. Braham, Auteur ; Andrew T. Harris, Auteur . - 2009 . - pp. 8890–8905. Chemical engineering Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 48 N° 19 (Octobre 2009) . - pp. 8890–8905 Mots-clés : Photocatalytic reactors Industrial-scale implementation Résumé : Photocatalytic processes are applicable in wastewater treatment, energy production, chemical synthesis, and greenhouse gas mitigation and thus have the potential to address both the consumption of nonrenewable fossil fuels and global warming, two of the greatest problems facing humankind. The ability to achieve these outcomes using only solar energy as an input is particularly attractive. However, the implementation of most photocatalytic processes at an effective scale requires the use of a photoreactor, a device which brings photons, a photocatalyst and reactants into contact, as well as collecting the reaction products. In this work, we review the state-of-the-art in solar photoreactor design and assess those systems which are most applicable for industrial-scale implementation. Designs for parabolic trough, compound parabolic, inclined plate, double skin sheet, rotating disk, water bell, fiber optic, and fixed/fluidized bed photoreactors are qualitatively discussed and compared. Compound parabolic photoreactors are most suited to near term applications at pilot-scale (>1000 L/day) due to their advantageous light collecting properties and well-known design methodology. Double-skin sheet photoreactors are also suited to near term applications; however, significantly less is known about their design and performance discrepancies between studies in the literature have been reported. Compared to other photoreactor designs, the significantly simplified design and low material cost of inclined plate photoreactors makes them particularly suitable for use in economically and logistically challenged areas where the volumes to be treated are small ( En ligne : http://pubs.acs.org/doi/abs/10.1021/ie900859z

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