Journal ArticleDOI
A review of chemical, electrochemical and biological methods for aqueous Cr(VI) reduction
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TLDR
This review describes the environmental implications of Cr(VI) presence in aqueous solutions, the chemical species that could be present and then the technologies available to efficiently reduce hexavalent chromium.About:
This article is published in Journal of Hazardous Materials.The article was published on 2012-07-15. It has received 1063 citations till now. The article focuses on the topics: Hexavalent chromium & Chromium.read more
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Efficient techniques for the removal of toxic heavy metals from aquatic environment: A review
TL;DR: In this article, the authors provide a sketch about treatment technologies followed by their heavy metal capture capacity from industrial effluent, the treatment performance, their remediation capacity and probable environmental and health impacts were deliberated in this review article.
Journal ArticleDOI
Chemical and microbial remediation of hexavalent chromium from contaminated soil and mining/metallurgical solid waste: a review.
TL;DR: The chemical/biological remediation processes for Cr(VI) and their efficiency have been summarised in some detail and the interaction of chromium with various microbial/bacterial strains isolated and their reduction capacity towards Cr( VI) are also discussed.
Journal ArticleDOI
CdS/Graphene Nanocomposite Photocatalysts
TL;DR: In this paper, the enhancement mechanism of the photocatalytic performance of CdS/graphene composite photostability under visible-light irradiation has been investigated.
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On Off On Fluorescent Carbon Dot Nanosensor for Recognition of Chromium(VI) and Ascorbic Acid Based on the Inner Filter Effect
TL;DR: This work has demonstrated an on-off fluorescent CD probe for detecting Cr(VI) based on the inner filter effect (IFE) because the absorption bands of Cr(IV) fully covered the emission and excitation bands of CDs.
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Chromium speciation, bioavailability, uptake, toxicity and detoxification in soil-plant system: A review.
Muhammad Shahid,Saliha Shamshad,Marina Rafiq,Sana Khalid,Irshad Bibi,Nabeel Khan Niazi,Camille Dumat,Muhammad Rashid +7 more
TL;DR: There is a dire need to monitor biogeochemical behavior of Cr in soil-plant system, as Chromium induces phytotoxicity by interfering plant growth, nutrient uptake and photosynthesis, inducing enhanced generation of reactive oxygen species, causing lipid peroxidation and altering the antioxidant activities.
References
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Journal ArticleDOI
Electrochemical technologies in wastewater treatment
TL;DR: In this article, the development, design and applications of electrochemical technologies in water and wastewater treatment are reviewed with particular focus on electrodeposition, electrocoagulation, electroflotation (EF), and electrooxidation.
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Recent progress on photocatalytic and photoelectrochemical water splitting under visible light irradiation
TL;DR: A review of recent progress in this field can be found in this article by focusing on strategies that utilize visible light, such as two-step photoexcitation systems that were inspired by photosynthesis in nature, band engineering for producing novel photocatalysts that have both a high visible light absorption and suitable energy levels for water splitting, the development of new cocatalyst for efficient H 2 or O 2 production, fabrication of efficient photoelectrodes based on visible-light-responsive semiconductors, and the construction of tandem-type PEC water-splitting systems
Journal ArticleDOI
Characterization of zero-valent iron nanoparticles.
TL;DR: This work presents a systematic characterization of the iron nanoparticles prepared with the method of ferric iron reduction by sodium borohydride and results may foster better understanding, facilitate information exchange, and contribute to further research and development of Iron nanoparticles for environmental and other applications.
Book
Chromium in the natural and human environments
Jerome O. Nriagu,Evert Nieboer +1 more
TL;DR: In this paper, Nieboer et al. studied the effect of Chromium toxicity on algae and bacteria in aquatic habitats and found that Chromium is toxic to algae and Bacteria.
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Mechanism of hexavalent chromium detoxification by microorganisms and bioremediation application potential: A review
K.H. Cheung,Ji-Dong Gu +1 more
TL;DR: With the advancement in technology for enzyme immobilization, it is speculated that the direct application of Cr6+ reductases may be a promising approach for bioremediation ofCr6+ in a wide range of environments.