[PDF] Top 20 Comparative Study of Removal of Hexavalent Chromium from Water Using Metal Oxide Nanoparticles

... this study were of analytical grade and procured from E-Merck India Ltd and ...Deionised water of highest purity was used throughout the ...DI water and oven dried for 3 - 4 h. CuNP were ... See full document

... the removal of heavy metals due to some specific characteristics that enhance the use of activated carbon for the removal of contaminants including heavy metals from water supplies and ...of ... See full document

... ground water, river water, vegetables grown in such soil ...heavy metal, consumption of which might cause fatality to the ...iron nanoparticles are able to reduce this Cr(VI) to its trivalent ... See full document

... obtained from this work supports the view that the CMC stabilized Fe o nanoparticles is an effective and low cost adsorbent for the removal of Cr 6+ from aqueous ...of metal ions is ... See full document

... leachate from a domestic solid waste. Heavy metal ions present in surface and ground waters are dangerous to environmental and human health; therefore, they must be removed to prevent their accumulation ... See full document

... The XRF analysis was carried out to know the chemical compositions of the RM and the subsequent chemical changes that occurred due to acid treatment. The chemical composition of ARM was also listed in Table 1. In which ... See full document

... of Hexavalent chromium is investigated. In this study, the adsorption of Cr(VI) was carried out in a batch mode and rate of adsorption was evaluated at varying conditions ...maximum removal of ... See full document

... studies using activated carbon for the bioremediation of polluted soils and water, and it has been shown to be an efficient adsorbent of chromium from effluent ...of using activated ... See full document

... Cr(VI) from entering wastewaters and finally the aquatic ...potable water it is ...of water and ...incomplete metal removal, requirements for expensive equipment, generation of toxic ... See full document

... the chromium are of many industries, like metallurgical, electroplating, production of paints and pigments, tanning, wood preservation, chromium chemicals production, pulp and paper ...of chromium ... See full document

... 2011). Chromium and its compounds have multifarious industrial use besides application in metalluargy they are extensively employed in finishing and processing of leather, producing refractory steel, drilling ... See full document

... emanating from tannery effluents. This metal is used in the tanning of hides and leather, the manufacture of stainless steel, electroplating, textile dyeing and as a biocide in the cooling waters of nuclear ... See full document

... system. Metal-processing wastewater often contains a considerable amount of divalent mercury which can pose a severe threat to public health and environment if discharged without adequate ...drinking water ... See full document

... Cr(VI) is a widespread environmental contaminant and a known human carcinogen. Biosorption is a very common method to remove toxic Cr(VI) from industrial waste water. In biosorption Cr(VI) is re- duced to ... See full document

... the removal of metals from aqueous ...Cr(VI) using NS was investigated by changing many parameters during the ...the removal of Cr(VI) by NS was ...when metal concentration was 10 mg L ... See full document

... In the present work, the Cr (VI) adsorption capacity of sawdust derived from Delbergia sissoo (Sheesham) was studied. Batch experiments and column experiments have been carried out for the removal of Cr ... See full document

... ground water regime and contaminate ground water with respect to Cr ...(VI) from Chromite waste dump and evolving optimal strategy for cost-effective remediation of large scale Cr (VI) contaminated ... See full document

... (Figure.3) for different initial concentrations of Cr(III) were deviated considerably from the theoretical data. A comparison of the results with the correlation coefficient is shown in Table.3, which indicates ... See full document

... Chromium oxide nanoparticles (NPs) have been rapidly synthesized by precipitation method using ammomia as precipitating agent and are characterized by using X-ray Diffraction (XRD), ... See full document

... batch removal of toxic hexavalent chromium ions from wastewater and aqueous solution using dried (BD) Sargassum ...prepared from it was ...The chromium (VI) uptake by the ... See full document