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Nanocomposite of attapulgite–Ag3PO4 for Orange II photodegradation

Paper ID Volume ID Publish Year Pages File Format Full-Text
45332 46410 2014 5 PDF Available
Title
Nanocomposite of attapulgite–Ag3PO4 for Orange II photodegradation
Abstract

•Well spread Ag3PO4 particles were synthesized in 5 nm on attapulgite.•The photocatalytic activity and the stability of Ag3PO4 were improved.•The cost of the treatment for wastewater will be greatly decreased.

Well-spread Ag3PO4 particles (5 nm in size) were synthesized on the surface of attapulgite (ATP) for the sunlight-driven catalytic removal of Orange II from water. The attapulgite–Ag3PO4 composites were characterized by XRD, XRF, XPS and UV–vis diffuse reflectance spectroscopy. The Ag3PO4 nanoparticles were successfully loaded onto the ATP surface with a uniform distribution of spherical particles without any evident aggregation. The photocatalytic activity and stability of Ag3PO4 were significantly improved by loading on ATP. In addition, the silver content in the photocatalyst composite decreased from 77.3 wt% in bare Ag3PO4 to 18.8 wt% in the composite, which will greatly decrease the cost of the treatment. Although Ag3PO4 precipitated quickly in aqueous solution, the results showed that it also can be applied as a coating onto the carriers, which can avoid the aggregation of nanoparticles into micrometer-sized particles in solutions.

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Keywords
Silver phosphate; Nanocomposites; Attapulgite; Wastewater treatment
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Nanocomposite of attapulgite–Ag3PO4 for Orange II photodegradation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 144, January 2014, Pages 36–40
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