Design guidelines for fixed-bed photocatalytic reactors

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Design guidelines for fixed-bed photocatalytic reactors. / Alexiadis, Alessio; Mazzarino, I.

In: Chemical Engineering and Processing, Vol. 44, No. 4, 04.2005, p. 453-459.

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@article{7b8020f5a421481f8778233f57dfcbbb,
title = "Design guidelines for fixed-bed photocatalytic reactors",
abstract = "This paper summarizes the results of a work aimed at the design of pilot and industrial size photocatalytic reactors for wastewaters treatment. The work is based on the findings of previous lab-scale experiments and model development The physical reactor model was used to simulate the performance of the photocatalytic system in various configurations and different operating conditions. The cost of the water treatment was determined by considering both the energy consumption and the periodic renewal of commercial UV lamps. The results of this work show that the optimal conditions for a photocatalytic purification unit remarkably depend on the kinetics of the pollutants degradation. In the case of fast degradation reactions low-power UV sources and low absorption catalysts are preferable. On the contrary the use of high-power lamps and dense catalysts can reduce sensibly the treatment cost when the degradation processes is slow.",
keywords = "Fixed bed, Photocatalytic reactors, UV lamps",
author = "Alessio Alexiadis and I. Mazzarino",
year = "2005",
month = apr,
doi = "10.1016/j.cep.2004.06.009",
language = "English",
volume = "44",
pages = "453--459",
journal = "Chemical Engineering and Processing",
issn = "0255-2701",
publisher = "Elsevier",
number = "4",

}

RIS

TY - JOUR

T1 - Design guidelines for fixed-bed photocatalytic reactors

AU - Alexiadis, Alessio

AU - Mazzarino, I.

PY - 2005/4

Y1 - 2005/4

N2 - This paper summarizes the results of a work aimed at the design of pilot and industrial size photocatalytic reactors for wastewaters treatment. The work is based on the findings of previous lab-scale experiments and model development The physical reactor model was used to simulate the performance of the photocatalytic system in various configurations and different operating conditions. The cost of the water treatment was determined by considering both the energy consumption and the periodic renewal of commercial UV lamps. The results of this work show that the optimal conditions for a photocatalytic purification unit remarkably depend on the kinetics of the pollutants degradation. In the case of fast degradation reactions low-power UV sources and low absorption catalysts are preferable. On the contrary the use of high-power lamps and dense catalysts can reduce sensibly the treatment cost when the degradation processes is slow.

AB - This paper summarizes the results of a work aimed at the design of pilot and industrial size photocatalytic reactors for wastewaters treatment. The work is based on the findings of previous lab-scale experiments and model development The physical reactor model was used to simulate the performance of the photocatalytic system in various configurations and different operating conditions. The cost of the water treatment was determined by considering both the energy consumption and the periodic renewal of commercial UV lamps. The results of this work show that the optimal conditions for a photocatalytic purification unit remarkably depend on the kinetics of the pollutants degradation. In the case of fast degradation reactions low-power UV sources and low absorption catalysts are preferable. On the contrary the use of high-power lamps and dense catalysts can reduce sensibly the treatment cost when the degradation processes is slow.

KW - Fixed bed

KW - Photocatalytic reactors

KW - UV lamps

UR - http://www.scopus.com/inward/record.url?scp=7944234345&partnerID=8YFLogxK

U2 - 10.1016/j.cep.2004.06.009

DO - 10.1016/j.cep.2004.06.009

M3 - Article

AN - SCOPUS:7944234345

VL - 44

SP - 453

EP - 459

JO - Chemical Engineering and Processing

JF - Chemical Engineering and Processing

SN - 0255-2701

IS - 4

ER -