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Hydrogen peroxide synthesis by direct photoreduction of 2-ethylanthraquinone in aerated solutions

Paper ID Volume ID Publish Year Pages File Format Full-Text
27568 44030 2011 5 PDF Available
Title
Hydrogen peroxide synthesis by direct photoreduction of 2-ethylanthraquinone in aerated solutions
Abstract

A new synthesis method of hydrogen peroxide was investigated by the photoreduction of 2-ethylanthraquinone (AQ) in water-insoluble organic solvents. Through optimizing the photoreduction condition including solvent, atmosphere and irradiated time, the photolysis system of 1,3,5-trimethylbenzene/trioctyl phosphate (3:1) solvent mixture under oxygen atmosphere was found to give a high yield of hydrogen peroxide. Furthermore, the formation mechanism of hydrogen peroxide was proposed, i.e. photoreduction and subsequent oxidation of AQ. The photoreduction of 2-ethylanthraquinone undergoes the hydrogen abstraction from solvent to form the anthrahydroquinone, which is subsequently oxidized by oxygen to give hydrogen peroxide.

Keywords
Anthraquinone; Hydrogen peroxide; Photochemistry; Hydrogen abstraction; Green chemistry
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Hydrogen peroxide synthesis by direct photoreduction of 2-ethylanthraquinone in aerated solutions
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 217, Issue 1, 1 January 2011, Pages 164–168
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
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