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Combined Fenton-MF process increases acrylonitrile removal

The Fenton oxidation process is possessed of the advantages of both oxidation and coagulation processes. In addition to these functions, Fenton's reagent is also a typical initiator of polymerization. The application of the Fenton-microfiltration process for removal of acrylonitrile (AN), which...

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Published in:Water science and technology 2003-01, Vol.47 (9), p.179-184
Main Authors: CHANG, C.-Y, WANG, C.-C, CHANG, D.-J, CHANG, J.-S
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WANG, C.-C
CHANG, D.-J
CHANG, J.-S
description The Fenton oxidation process is possessed of the advantages of both oxidation and coagulation processes. In addition to these functions, Fenton's reagent is also a typical initiator of polymerization. The application of the Fenton-microfiltration process for removal of acrylonitrile (AN), which is the major raw material for manufacturing ABS reins, was investigated. As for Fenton oxidation, in the range of pH 2 to pH 4, AN removal efficiency increased as the pH increased. In experiment of the same initial molar ratio of [FeSO4]0/[H2O2]0, the higher dosage can obtain the higher removal efficiency. At pH 4, the AN removal increased as the [H2O2]0 increased for each [FeSO4]0. Acrylic acid and acrylamide were detected in the solution after Fenton oxidation. On the other hand, acrylamide, polyacrylamide, and polyacrylic acid exist in the precipitate after the Fenton oxidation of AN solution. Moreover, it was also found that the operational mode is an important factor of the combined Fenton-MF process.
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identifier ISSN: 0273-1223
ispartof Water science and technology, 2003-01, Vol.47 (9), p.179-184
issn 0273-1223
1996-9732
language eng
recordid cdi_proquest_miscellaneous_16160844
source Alma/SFX Local Collection
subjects ABS resins
Acrylamide
Acrylic acid
Acrylics
Acrylonitrile
Acrylonitrile - chemistry
Acrylonitrile - isolation & purification
Applied sciences
Carcinogens - chemistry
Carcinogens - isolation & purification
Dosage
Exact sciences and technology
Fentons reagent
Filtration
Hydrogen peroxide
Hydrogen Peroxide - chemistry
Industrial wastewaters
Iron - chemistry
Microfiltration
Oxidation
Oxidation process
Oxidation-Reduction
pH effects
Pollution
Polyacrylic acid
Polymerization
Polymers
Raw materials
Removal
Resins
Wastewaters
Water Purification - methods
Water treatment and pollution
title Combined Fenton-MF process increases acrylonitrile removal
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