Journal ArticleDOI
Removal of chromium (VI) from aqueous solution using walnut hull.
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TLDR
Compared to the various other adsorbents reported in the literature, the walnut hull in this study shows very good promise for practical applicability and may be a chemically controlled process.About:
This article is published in Journal of Environmental Management.The article was published on 2009-02-01. It has received 193 citations till now. The article focuses on the topics: Freundlich equation & Chromium.read more
Citations
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Cr(VI) and Cr(III) removal from aqueous solution by raw and modified lignocellulosic materials: a review.
TL;DR: This study is a review of the recent literature on the use of natural and modified lignocellulosic residues for Cr adsorption and finds that many by-products of agriculture have proved to be suitable low cost adsorbents for Cr(VI) and Cr(III) removal from water.
Journal ArticleDOI
Remediation technologies for heavy metal contaminated groundwater.
TL;DR: Thirty five approaches for groundwater treatment have been reviewed and classified under three large categories viz chemical, biochemical/biological/biosorption and physico-chemical treatment processes for a better understanding of each category.
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Hexavalent Chromium Reduction with Zero-Valent Iron (ZVI) in Aquatic Systems
TL;DR: In this paper, the authors provide updated information regarding the developments and innovative approaches in the use of zero-valent iron (ZVI) for the treatment of Cr(VI)-polluted waters.
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Cathodic reduction of hexavalent chromium [Cr(VI)] coupled with electricity generation in microbial fuel cells
TL;DR: This work verifies the possibility of simultaneous electricity production and cathodic Cr(VI) reduction in fed-batch mode and investigates a novel approach to Cr( VI)-contaminated wastewater treatment.
References
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Book
Standard methods for the examination of water and wastewater
TL;DR: The most widely read reference in the water industry, Water Industry Reference as discussed by the authors, is a comprehensive reference tool for water analysis methods that covers all aspects of USEPA-approved water analysis.
Journal ArticleDOI
Kinetics of Adsorption on Carbon from Solution
Walter J. Weber,J. C. Morris +1 more
TL;DR: In this paper, it was shown that the rate of adsorption of persistent organic compounds on granular carbon is quite low and the rate is partially a function of the pore size distribution of the adsorbent, of the molecular size and configuration of the solute, and of the relative electrokinetic properties of adsorbate and adsorbents.
Journal ArticleDOI
Application of Elovich equation to the kinetics of phosphate release and sorption in soils.
S. H. Chien,W. R. Clayton +1 more
Journal ArticleDOI
Selective adsorption of chromium(VI) in industrial wastewater using low-cost abundantly available adsorbents
TL;DR: In this article, the removal of poisonous Cr(VI) from industrial wastewater by different low-cost abundant adsorbents was investigated, including wool, olive cake, sawdust, pine needles, almond shells, cactus leaves and charcoal were used at different adsorbent/metal ion ratios.
Journal ArticleDOI
Adsorption of dyes on chitin. I. Equilibrium studies
TL;DR: In this paper, equilibrium isotherms have been studied for the adsorption of four dyestuffs, namely, acid blue 25, Acid Blue 158, Mordant Yellow 5, and Direct Red 84, onto chitin.
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Activated carbons and low cost adsorbents for remediation of tri- and hexavalent chromium from water.
Dinesh Mohan,Charles U. Pittman +1 more