Journal ArticleDOI
Photocatalytic reduction of Cr(VI) in aqueous solutions by UV irradiation with the presence of titanium dioxide.
Young Ku,In-Liang Jung +1 more
TLDR
The reduction of Cr(VI) in aqueous solution by UV/TiO2 reduction process was studied under various solution pH values, TiO2 dosages, light intensities, dissolved oxygen levels and other operating conditions to determine the reduction rates by photocatalytic-induced elections.About:
This article is published in Water Research.The article was published on 2001-01-01. It has received 594 citations till now. The article focuses on the topics: Light intensity & Aqueous solution.read more
Citations
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Journal ArticleDOI
Removal of heavy metal ions from wastewaters: A review
Fenglian Fu,Qi Wang +1 more
TL;DR: It is evident from the literature survey articles that ion-exchange, adsorption and membrane filtration are the most frequently studied for the treatment of heavy metal wastewater.
Journal ArticleDOI
Photoinduced reactivity of titanium dioxide
TL;DR: In this paper, photo-induced superhydrophilicity was used on the surface of a wide-band gap semiconductor like titanium dioxide (TiO 2 ) for photocatalytic activity towards environmentally hazardous compounds.
Journal ArticleDOI
Removal of Heavy Metals from Industrial Wastewaters: A Review
TL;DR: A review of membrane filtration, ion exchange, ion-exchange, adsorption, chemical precipitation, nanotechnology treatments, electrochemical and advanced oxidation processes are discussed in this article.
Journal ArticleDOI
Treatment of Hazardous Organic and Inorganic Compounds through Aqueous-Phase Photocatalysis: A Review
TL;DR: In this article, the authors focused on the treatment of hazardous wastewater (bearing heavy metals and organic compounds) by photocatalysis and the effects of various parameters such as pH, light intensity, dissolved oxygen, etc.
Journal ArticleDOI
Photocatalytic Cr(VI) reduction in metal-organic frameworks: A mini-review
TL;DR: In this paper, a mini-review presented photocatalytic reduction of Cr(VI) into Cr(III) in some MOFs or their derivatives/composites.
References
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Book
Photocatalysis: Fundamentals and Applications
Ezio Pelizzetti,Nick Serpone +1 more
TL;DR: In this paper, the reader is first introduced to the meaning of photocatalysis and subsequently taken through the essentials of photochemistry towards bridging it to semiconductor materials, followed by thermodynamic and kinetic aspects.
Journal ArticleDOI
An investigation of titanium dioxide photocatalysis for the treatment of water contaminated with metals and organic chemicals
TL;DR: In this article, the authors investigated the synergism between oxidation and reduction using TiO 2 as the photocatalyst and showed that the rate of reduction of Cr(VI) is correlated with Hammett a constants
Journal ArticleDOI
Photocatalytic reduction of environmental pollutant Cr(VI) over some semiconductors under UV/visible light illumination
TL;DR: In this paper, the photoreduction to the less harmful Cr(III) on the surface of the semiconductor particles was studied as a function of pH of the suspension, initial Cr(VI) concentration, mass of semiconductor in suspension, and different semiconductors as photocatalysts (ZnO, Hombikat UV100, Degussa P25, WO 3 ).
Journal ArticleDOI
Photocatalytic activity of titania powders suspended in aqueous silver nitrate solution: correlation with pH-dependent surface structures
Journal ArticleDOI
Photocatalytic deposition of silver on powder titania: Consequences for the recovery of silver
TL;DR: In this article, the effects of various parameters on the photoassisted reduction of silver ions to metallic deposits on powder titanium dioxide has been studied, and it was shown that the initial deposition rate varied with the starting concentration of Ag+ ions according to a Langmuir-Hinshelwood mechanism, and was almost independent of the temperature around 300 K.