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Synthesis and characterization of Ag3PO4 immobilized in bentonite for the sunlight-driven degradation of Orange II

Paper ID Volume ID Publish Year Pages File Format Full-Text
45761 46422 2013 6 PDF Available
Title
Synthesis and characterization of Ag3PO4 immobilized in bentonite for the sunlight-driven degradation of Orange II
Abstract

A novel method for intercalating silver salt into bentonite interlayers is described. The very fine Ag3PO4 crystalline grains (less than 0.45 nm) were obtained in the interlayers of bentonite (Ag3PO4-Ben). Ag3PO4-Ben was characterized by XRD, FTIR, XRF, XPS and UV–vis diffuse reflectance spectroscopy. Ag3PO4-Ben particles exhibited high catalytic efficiency for Orange II degradation under visible light irradiation. The photocatalytic activity is attributed to the small-sized Ag3PO4 crystal immobilized in bentonite and the strong adsorption of dye on bentonite. The special structure of bentonite and the microenvironment around the catalysis enhanced the stability.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► Fine Ag3PO4 crystalline grains (smaller than 0.45 nm) were immobilized in bentonite. ► Ag3PO4 photocatalytic activity and stability were improved. ► The content of silver in the photocatalyst decreased from 77.3 wt% to 10.7 wt%.

Keywords
Photocatalysis; Visible light; Silver phosphate; Wastewater treatment
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Synthesis and characterization of Ag3PO4 immobilized in bentonite for the sunlight-driven degradation of Orange II
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volumes 134–135, 2 May 2013, Pages 1–6
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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