Адсорбция органических красителей из водных растворов на цеолитах типа Y

Marina В. Alekhina; Tatiana V. Kon’kova; Svetlana L. Aknazarova

Marina В. Alekhina doctor of chemical Sciences, associate Professor, Professor of the Department of technology of inorganic substances and electrochemical processes, D.I. Mendeleyev University of Chemical Technology of Russia, Moscow, E-mail: mbalekhina@yandex.ru
Tatiana V. Kon’kova candidate of technical Sciences, associate Professor, associate Professor, Department of technology of inorganic substances and electrochemical processes, D.I. Mendeleyev University of Chemical Technology of Russia, Moscow
Svetlana L. Aknazarova candidate of technical Sciences, associate Professor, associate Professor of Department Cybernetics of chemical technology processes, D.I. Mendeleyev University of Chemical Technology of Russia, Moscow

Keywords: adsorption, organic dyes, zeolites of type Y, waste water.

Abstract

The purpose of this study was to measure the adsorption of organic dyes on the type Y zeolite, exhibiting catalytic properties in the oxidation process by hydrogen peroxide. The paper presents data on the adsorption of organic dyes of carmoisine and methylene blue from aqueous solutions on zeolites NaY, HY, and their Co- and Fe-cation forms at 20 oC. To assess the accuracy of the spectrophotometric determination of concentrations of carmoisine in solution method of statistical analysis was used. It is shown that the adsorption of carmoisine in a concentration range 1-20 mg/l at these zeolites does not exceed 0.3 mg/g. This indicates minimal adsorption of anionic dye on the zeolite Y that are recommended as catalysts in the oxidation-destructive processes of wastewater treatment involving hydrogen peroxide.

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Adsorption of organic dyes from aqueous solutions on the type Y zeolites

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