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Ni(OH)2 decorated rutile TiO2 for efficient removal of tetracycline from wastewater

Paper ID Volume ID Publish Year Pages File Format Full-Text
44732 46344 2016 10 PDF Available
Title
Ni(OH)2 decorated rutile TiO2 for efficient removal of tetracycline from wastewater
Abstract

•Ni(OH)2 were decorated on coral-like TiO2 particles by a precipitation method.•Ni(OH)2 decorated TiO2 showed improved activity under visible light.•Ni(OH)2 decorated TiO2 performed better than P25 in tetracycline removal.•Micro-sized Ni(OH)2 decorated TiO2 could be easily recovered from water.

Flower-like and coral-like particles composed of rutile TiO2 nanorods were synthesized via hydrolysis of TiCl4 in water at room temperature and hydrothermal crystallization. The subsequent deposition of Ni(OH)2 clusters resulted in enhanced adsorption property and photocatalytic activity. In particular, Ni(OH)2-modified coral-like rutile TiO2 was shown to efficiently remove 76% of tetracycline from 100 mg L−1 solution after 30 min adsorption and subsequent 2 h photodegradation under visible light; whereas only 57% tetracycline removal was achieved by the commercial TiO2 (P25). In addition, the micro-sized Ni(OH)2-modified rutile TiO2 particles could be easily recovered from water after the photocatalytic process, and showed significant advantages over nano-sized photocatalysts. Our study provides a simple and green route to synthesizing photocatalysts with enhanced adsorption and photocatalytic performance for potential applications in practical water purification and wastewater treatment.

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Keywords
Rutile; Photocatalysis; Tetracycline; Adsorption; Photodegradation
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Ni(OH)2 decorated rutile TiO2 for efficient removal of tetracycline from wastewater
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 198, 5 December 2016, Pages 224–233
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
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