T. V. Kovrigina, K. Kh. Khakimbolatova, T. K. Chalov, B. E. Begenova
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Development of a Wastewater Treatment Technology for Tailings Storage Facilities of Mineral Processing Plants
A treatment unit for desalinating water by reverse osmosis was developed to remove cyanides, thiocyanates, total hardness, and traces of nonoxidized metals from wastewater. A test stand was constructed, and the influence of various oxidants on the oxidation of metals and ions was examined. It was found that ozone oxidizes all components 10–15% more efficiently than sodium hypochlorite. Iron sulfate shows slightly better oxidation performance than polyaluminum chloride, but the required dosage of iron sulfate is 50–100 mg/L, while that of polyaluminum chloride is only 5–7 mg/L. Various filter media were studied, and the operational parameters of the reverse osmosis unit were determined. Aluminosilicate media AS/MS exhibited the best sorption properties.
期刊介绍：
Theoretical Foundations of Chemical Engineering is a comprehensive journal covering all aspects of theoretical and applied research in chemical engineering, including transport phenomena; surface phenomena; processes of mixture separation; theory and methods of chemical reactor design; combined processes and multifunctional reactors; hydromechanic, thermal, diffusion, and chemical processes and apparatus, membrane processes and reactors; biotechnology; dispersed systems; nanotechnologies; process intensification; information modeling and analysis; energy- and resource-saving processes; environmentally clean processes and technologies.
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