Results 61 to 70 of about 12,669 (233)
Investigation of hexavalent chromium removal from Synthetic wastewater by using Peaganum
مجله دانشگاه علوم پزشکی بیرجند, 2012 Background and Aim: Discharge of industrial wastewater containing hexavalent chromium into the environment can have harmful effects to the types of organisms. So, chromium should remove before discharging to the environment with an effective method.
Ali Akbar Taghizadeh +5 more
doaj
E3S Web of Conferences, 2018 The issue that surfaces from the digging of limonite and saprolite zones on nickel ore mining is the oxidation of chromium to chromium hexavalent. The aim of this research is to analyze the efficiency level of phytoremediation technology to reduce ...
Mayzarah Erikha Maurizka +2 more
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Engineering Science and Technology, an International Journal, 2020 Unnao has a large number of tanneries and huge amount of waste water is generated and there effluents contain Chromium, which infiltrates and percolates below the ground and contaminate the surface and subsurface water, thereby creating a possibility of ...
Shivam Mani Tripathi, ShriRam Chaurasia
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Hexavalent chromium removal by Osage Orange
Food Chemistry, 2012 Abstract This study explores the sorption potential of Osage Orange ( Maclura Pomifera ) for the removal of Cr(VI) ion. The influence of contact time, solution pH, initial metal concentration, amount of biosorbent and ionic strength on the removal of Cr(VI) ion was studied.
Pehlivan, Erol +2 more
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A new method in estimation of total hexavalent chromium in Portland pozzolan cement
Materiales de Construccion, 2017 Variamine blue was used first time for the detection of hexavalent chromium from cement samples. In present method, cement was treated sequentially with water, sulphate and carbonate buffer to extract soluble, sparingly soluble and insoluble hexavalent ...
R. Sharma, D. K. Sharma
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Acque Sotterranee, 2017 The study consisted in the analysis of the mobilization mechanisms of hexavalent chromium (Cr(VI)) into groundwater from a decommissioned contaminated factory. The site is located in the Province of Vicenza and formerly was a chrome-plating plant.
Valentina Accoto +4 more
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Adsorption of hexavalent chromium on dunite
Water Science and Technology, 2011 The paper presents and discusses the effect of various physicochemical parameters (e.g. pH, ionic strength, Cr(VI) initial concentration, amount of the adsorbent, temperature and contact time between metal ion and adsorbent) on the adsorption efficiency of Cr(VI) on dunite in aqueous solutions under atmospheric conditions.
Demetriou, Antri +3 more
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Adsorption and Reduction from Modified Polypyrrole Enhance Electrokinetic Remediation of Hexavalent Chromium-Contaminated Soil [PDF]
, 2021 Jiangyuan Wang +5 more
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Investigation and optimization the study of Hexavalent Chromium elimination efficiency by activated carbon prepared from modified rice husk with sorbic acid [PDF]
E3S Web of ConferencesThe current work illustrates how successfully rice husk-activated carbon eliminates hexavalent chromium from aqueous solutions. The design of experiment (DOE) - response surface methodology (RSM) was utilized to build an appropriate experimental model ...
Huong Ta Thi +2 more
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Kinetic Models of the Adsorption of Hexavalent Chromium by Chitosan from Aqueous Solution
Adsorption Science & Technology, 2009 The batch removal of hexavalent chromium from aqueous solution by chitosan under different experimental conditions, such as the pH value and the initial hexavalent chromium ion concentration, was investigated.
JinLong Yan, Guixiang Quan
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