NDLI: Degradation of Amaranth azo dye in water by heterogeneous photo-Fenton process using FeWO4 catalyst prepared by microwave irradiation.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	da Cruz Severo, Eric Anchieta, Chayene Gonçalves Foletto, Vitória Segabinazzi Kuhn, Raquel Cristine Collazzo, Gabriela Carvalho Mazutti, Marcio Antonio Foletto, Edson Luiz
Description	Author Affiliation: da Cruz Severo E ( Department of Chemical Engineering, Federal University of Santa Maria, Santa Maria 97105-900, Brazil E-mail: efoletto@gmail.com.); Anchieta CG ( Department of Chemical Engineering, Federal University of Santa Maria, Santa Maria 97105-900, Brazil E-mail: efoletto@gmail.com.); Foletto VS ( Pharmacy Undergraduate Course, Federal University of Santa Maria, Santa Maria 97105-900, Brazil.); Kuhn RC ( Department of Chemical Engineering, Federal University of Santa Maria, Santa Maria 97105-900, Brazil E-mail: efoletto@gmail.com.); Collazzo GC ( Department of Chemical Engineering, Federal University of Santa Maria, Santa Maria 97105-900, Brazil E-mail: efoletto@gmail.com.); Mazutti MA ( Department of Chemical Engineering, Federal University of Santa Maria, Santa Maria 97105-900, Brazil E-mail: efoletto@gmail.com.); Foletto EL ( Department of Chemical Engineering, Federal University of Santa Maria, Santa Maria 97105-900, Brazil E-mail: efoletto@gmail.com.)
Abstract	FeWO4 particles were synthesized by a simple, rapid and facile microwave technique and their catalytic properties in heterogeneous photo-Fenton reaction were evaluated. This material was employed in the degradation of Amaranth azo dye. Individual and interactive effects of operational parameters such as pH, dye concentration and H2O2 dosage on the decolorization efficiency of Amaranth dye were evaluated by 2(3) central composite design. According to characterization techniques, a porous material and a well-crystallized phase of FeWO4 oxide were obtained. Regarding the photo-Fenton reaction assays, up to 97% color and 58% organic carbon removal were achieved in the best experimental conditions. In addition, the photo-Fenton process maintained treatment efficiency over five catalyst reuse cycles to indicate the durability of the FeWO4 catalyst. In summary, the results reveal that the synthesized FeWO4 material is a promising catalyst for wastewater treatment by heterogeneous photo-Fenton process.
File Format	HTM / HTML
ISSN	02731223
Issue Number	1
Volume Number	73
e-ISSN	19969732
Journal	Water Science & Technology
Language	English
Publisher	IWA Publishing
Publisher Date	2016-01-01
Publisher Place	Great Britain (UK)
Access Restriction	Subscribed
Subject Keyword	Discipline Hydrology Amaranth Dye Chemistry Oxides Chemical Synthesis Photolysis Tungsten Compounds Water Purification Methods Azo Compounds Catalysis Color Coloring Agents Hydrogen Peroxide Iron Microwaves Water Evaluation Studies Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Environmental Engineering Water Science and Technology

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