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A novel microwave photochemical reactor for the oxidative decomposition of Acid Orange 7 azo dye by MW/UV/H2O2 process

Paper ID Volume ID Publish Year Pages File Format Full-Text
27438 44023 2009 7 PDF Available
Title
A novel microwave photochemical reactor for the oxidative decomposition of Acid Orange 7 azo dye by MW/UV/H2O2 process
Abstract

The characteristic features of a novel microwave and UV photoreactor, useful for microwave assisted photochemical processes, are presented by examining the results obtained in the photo decoloration of Acid Orange 7 in an aqueous hydrogen peroxide solution. The advantages over other experimental procedures, like reduced consumption of chemicals, energy saving and simpler setup are highlighted. The method enables to activate a chemical reaction with microwaves and UV radiation using an immersed source without the need of a microwave oven. The principles of functioning of the electrodeless source are given and discussed in terms of the experimental output UV energy, for applied microwave powers from 3 W to 60 W at 2450 MHz. This very efficient technical solution increases the control and yield, enabling the operator to work in safety conditions and using ordinary instruments and devices, also with metal parts, directly connected to the reactor. The method is versatile and the scale up for industrial applications is more feasible.

Keywords
Microwave photoreactor; Microwave electrodeless lamp; Hydrogen peroxide; Acid Orange 7; Kinetics
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A novel microwave photochemical reactor for the oxidative decomposition of Acid Orange 7 azo dye by MW/UV/H2O2 process
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 204, Issues 2–3, 20 May 2009, Pages 115–121
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