Next Article in Journal
Origins, Phytochemistry, Pharmacology, Analytical Methods and Safety of Cortex Moutan (Paeonia suffruticosa Andrew): A Systematic Review
Next Article in Special Issue
Light-Assisted Advanced Oxidation Processes for the Elimination of Chemical and Microbiological Pollution of Wastewaters in Developed and Developing Countries
Previous Article in Journal
Anti-Inflammatory and Antioxidant Properties of Peptides Released from β-Lactoglobulin by High Hydrostatic Pressure-Assisted Enzymatic Hydrolysis
Previous Article in Special Issue
Photoactive Hybrid Catalysts Based on Natural and Synthetic Polymers: A Comparative Overview
Article Menu
Issue 6 (June) cover image

Export Article

Open AccessFeature PaperReview
Molecules 2017, 22(6), 945;

Integral Design Methodology of Photocatalytic Reactors for Air Pollution Remediation

Facultad de Ingeniería y Ciencias Hídricas, Universidad Nacional del Litoral and CONICET, Santa Fe 3000, Argentina
Instituto de Desarrollo Tecnológico para la Industria Química (CONICET-UNL), Santa Fe 3000, Argentina
Author to whom correspondence should be addressed.
Academic Editor: Pierre Pichat
Received: 22 March 2017 / Accepted: 31 May 2017 / Published: 7 June 2017
(This article belongs to the Special Issue Photon-involving Purification of Water and Air)
Full-Text   |   PDF [2062 KB, uploaded 7 June 2017]   |  


An integral reactor design methodology was developed to address the optimal design of photocatalytic wall reactors to be used in air pollution control. For a target pollutant to be eliminated from an air stream, the proposed methodology is initiated with a mechanistic derived reaction rate. The determination of intrinsic kinetic parameters is associated with the use of a simple geometry laboratory scale reactor, operation under kinetic control and a uniform incident radiation flux, which allows computing the local superficial rate of photon absorption. Thus, a simple model can describe the mass balance and a solution may be obtained. The kinetic parameters may be estimated by the combination of the mathematical model and the experimental results. The validated intrinsic kinetics obtained may be directly used in the scaling-up of any reactor configuration and size. The bench scale reactor may require the use of complex computational software to obtain the fields of velocity, radiation absorption and species concentration. The complete methodology was successfully applied to the elimination of airborne formaldehyde. The kinetic parameters were determined in a flat plate reactor, whilst a bench scale corrugated wall reactor was used to illustrate the scaling-up methodology. In addition, an optimal folding angle of the corrugated reactor was found using computational fluid dynamics tools. View Full-Text
Keywords: air pollution; photocatalytic reactors; radiation modeling; reactor optimization air pollution; photocatalytic reactors; radiation modeling; reactor optimization

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
Printed Edition Available!
A printed edition of this Special Issue is available here.

Share & Cite This Article

MDPI and ACS Style

Passalía, C.; Alfano, O.M.; Brandi, R.J. Integral Design Methodology of Photocatalytic Reactors for Air Pollution Remediation. Molecules 2017, 22, 945.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics



[Return to top]
Molecules EISSN 1420-3049 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top