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Nanophotocatalysis using nanoparticles of titania: Mineralization and finite element modelling of Solophenyl dye decolorization

Paper ID Volume ID Publish Year Pages File Format Full-Text
29298 44147 2007 6 PDF Available
Title
Nanophotocatalysis using nanoparticles of titania: Mineralization and finite element modelling of Solophenyl dye decolorization
Abstract

This paper investigates the mineralization and numerical finite element model for simulation of decolorization of Solophenyl Red 3BL (SR) by nanophotocatalysis using immobilized titania nanoparticle. A simple and effective method was developed for the immobilization of titania nanoparticles. UV–vis, ion chromatography (IC) and total organic carbon (TOC) analyses were employed to obtain the details of the photocatalytic decolorization and mineralization of SR. The nitrate and sulfate anions were detected as photocatalytic mineralization products of SR. Ninety-two percent total organic carbon can be eliminated after 240 min of irradiation time.The SEEP/W model was incorporated into the CTRN/W model and modified to solve mathematical equation describing decolorization process. The numerical model was first calibrated with an analytical equation for a simple mass transport problem through groundwater flow system. The simulation results were then compared to those results obtained from an experimental test for the decolorization of SR by nanophotocatalysis process and close agreement was achieved.

Keywords
Nanophotocatalysis; Finite element model; Immobilized titania nanoparticle; Mineralization; SEEP/W and CTRN/W models
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 189, Issue 1, 10 June 2007, Pages 1–6
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us