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Extraction of chromium from electro-plating waste water
Egyptian Journal of Chemistry. 1993; 36 (1): 37-45
in English | IMEMR | ID: emr-107627
ABSTRACT
This work was carried out to test the feasibility of using tri-iso- octyl-amine for the extraction of chromium from a treated synthetic wastewater which is similar to that produced in industrial electro- plating. The quantity of extracted chromium was large enough to consider the suggested extraction process for its industrial, environmental and economic values. Chromium [3] in the wastewater was oxidized by potassium presulfate into Cr2O7 species. The minimum amount of presulfate necessary to make the oxidation of Cr[3] to Cr[6], prior extraction, was determined using both atomic absorption, in terms of Cr[6], and titrimetric techniques. Also, optimum conditions for chromium extraction, its efficiency at different phase- ratios and stripping of chromium from the organic phase were investigated
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Index: IMEMR (Eastern Mediterranean) Main subject: Waste Disposal, Fluid Language: English Journal: Egypt. J. Chem. Year: 1993

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Index: IMEMR (Eastern Mediterranean) Main subject: Waste Disposal, Fluid Language: English Journal: Egypt. J. Chem. Year: 1993