Cr(VI) reduction
Removal of Cr(VI) From Electroplating Industry Effluent via Electrochemical Reduction
... of Cr(VI) has been proposed [16, ...chemical reduction, electrochemical reduction and electroreduction of Cr(VI), it was found that electroreduction required 10 times more ...
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Effective Photocatalytic Reduction of Cr(VI) by Carbon Modified (CM) n TiO2 Nanoparticles under Solar Irradiation
... of Cr(VI) ranging between 1 and 10 ppm were conducted at the optimal conditions of pH 5 and ...photocatalytic reduction of Cr(VI) was successfully fitted using L-H model, and can be ...
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Abiotic reduction of Cr(VI) by humic acids derived from peat and lignite: kinetics and removal mechanism
... Although Cr(VI) reduction by humic substances has been well studied in acidic to neutral systems (Wittbrodt and Palmer 1995; Wittbrodt and Palmer 1997; Jardine et ...controlling Cr(VI) ...
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Acid free Cr(Vi) Reduction in Contaminated Ground Water Collected from COPR Dump Site
... for reduction of Cr(VI) to zero level in the contaminated groundwater at TCCL study area located at Ranipet, Vellore, Tamilnadu, ...of Cr(VI) using Tin ...
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Removal of Cr(VI) from the Chrome Electroplating Effluent by Reduction and Adsorption using Powdered Activated Charcoal
... of Cr(VI) from the electroplating ...step, reduction of Cr(VI) to Cr(III) was achieved while in a second step Cr(III) was removed by ...the reduction of ...
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Concurrent Removal and Reduction of Cr(VI) by Wool: Short and Long Term Equilibration Studies
... to Cr(VI) ...of Cr(III) into solution following reduction of adsorbed ...both Cr(VI) and total chromium fit this isotherm (Figure ...slow reduction of Cr(VI) ...
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← Return to Article Details EFFICIENT REMOVAL OF Cr(VI) BY POLYELECTROLYTE-ASSISTED ULTRAFILTRATION AND SUBSEQUENT ELECTROCHEMICAL REDUCTION TO Cr(III)
... of Cr(VI) ions from aqueous solution using water-soluble poly(diallyldimethylammonium chloride), PDDA, coupled to an ultrafiltration membrane of regenerated cellulose and subsequent electrochemical ...
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Effect of NaCl on Cr(VI) Reduction by Granular Zero Valent Iron (ZVI) in Aqueous Solutions
... of Cr(VI) by ZVI in aqueous solutions and proposes a potential mechanism of Cr(VI) removal by ZVI in aqueous solutions with ...L Cr(VI) solutions at an initial pH of 3 at various ...
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Cr(VI) sorption/desorption on untreated and mussel-shell-treated soil materials: fractionation and effects of pH and chromium concentration
... 1989). Cr(VI) desorption from mussel shell was min- imum at pH close to ...values. Cr(VI) released from the granitic material hardly changed as a function of pH ...%. Cr(VI) was ...
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Investigation of the possible presence of Cr (VI) in almond kernel and its reduction from aquatic solution using almond green hull
... Similarly, another research titled removal of hexavalent chromium using newspaper was performed. In this study, the greatest removal of the metal occurred at the concentration of 50 mg/L and the high removal capacity of ...
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Chromium(VI) reduction characteristics of acinetobacter haemolyticus immobilized on wood shavings
... state. Cr(VI) not only is highly toxic to all forms of living organisms, mutagenic in bacteria, mutagenic and carcinogenic in humans and animals, but also it is involved in causing birth defects and the ...
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Microbial removal of Hexavalent chromium from chromite waste dump
... of Cr (VI) which, after leaching, enters into the ground water regime and contaminate ground water with respect to Cr ...of Cr (VI) which by may be removed by microbial reduction ...
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A Review on Cr(VI) Adsorption Using Inorganic Materials
... gulations, Cr(VI) in wastewater is typically removed by either adsorption or a reduction + precipitation method, both of which have ...of Cr(VI) ani- ons by cellulose-based sorbents is ...
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Chromium(VI) removal from aqueous solution by untreated rubber wood sawdust
... common Cr(VI) removal technique ...remove Cr(VI) is not possible because Cr(VI) is highly soluble and does not precipitate out of solution at any pH ...of Cr(VI) ...
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Removal of Hexavalent Chromium From Synthetic Waste Water Using Synthetic Nano Zero Valent Iron (NZVI) As Adsorbent
... of Cr (VI) from wastewater have been developed such as adsorption, ion exchange, reverse osmosis chemical precipitation, electro-deposition, photo catalysis reduction, and solvent extraction ...a ...
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Removal of Cr(VI) from aqueous solution using Bacillus subtilis, Pseudomonas aeruginosa and Enterobacter cloacae
... as Cr(III) and Cr(VI). But Cr(VI) is more toxic to living organisms than the Cr(III) ...Furthermore, Cr(III) has limited hydroxide solubility making it relatively immobile ...
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Using Ferrous Ion for the Reductive Degradation of Hexavalent Chromium
... chromium. Reduction usually involves the use of reductant or reductant generating material for the purpose of transforming toxic compounds to nontoxic or less toxic ...dissolved-phase Cr (VI) ...
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Electrochemical Removal of Chromium (VI) from Wastewater
... for Cr(VI) removal, such as: ion exchange[5, 6], electrochemical treatment[7-9], chemical precipitation [10], coagulation [11], chemical reduction[12, 13], and adsorption[3, ...
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Design, equilibrium and operation for ultrasound assisted batch adsorption of Cr (VI) on some nano-bioadsorbent
... While Cr(III) an essential human nutrient and has low migration ability, Cr(VI) accumulates in the food chain and causes severe human health problems ranging from simple skin irritation to lung ...
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Pyridinium Chlorochromate Photocatalytic Reduction using SiO2, TiO2 and Composite TiO2-
... Electrochemical method is in a field of direct current, the anode metal iron is constantly dissolved and producing ferrous ions, which can reduce Cr(VI) to Cr(III) under acidic conditions. In ...
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