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The results of experimental researches on the development of a technology for the treatment of acid industrial wastewater were presented. The impact of various technological parameters on the quality of… Click to show full abstract
The results of experimental researches on the development of a technology for the treatment of acid industrial wastewater were presented. The impact of various technological parameters on the quality of treated water was studied. A two-stage technology was developed for the reagent neutralization of acidic wastes with toxic metal cations using technical calcium oxide (quicklime GOST 9179-77) with subsequent posttreatment of the residual sulfate ion with aluminum hydroxide. The optimal pH value for the neutralization of effluents at the first stage was determined, which ensures the conversion of toxic metal cations and anions into insoluble compounds. It was concluded that the treated water meets all quality targets for the main pollutants and can be used in circulation.
Journal Title: Ecology and Industry of Russia
Year Published: 2023
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