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CHEMISTRY AND CHEMICAL ENGINEERING

CHEMISTRY AND CHEMICAL ENGINEERING

DOI

10.34920/cce2022110

Abstract

In order to implement a reliable and environmentally safe, economically viable method of wastewater enrichment, the goal is to develop an energy- and resource-saving method of oxygen enrichment of wastewater that has not undergone sufficient treatment. Cleaning is carried out in a tank, which is built using rock, which is an algal limestone. Limestone contributes to the improvement of the oxygen regime due to the “conservation” of organic matter in anoxic bottom layers and the acceleration of the process of photosynthesis of unicellular algae. Calcium carbonate is a reagent that provides not only automatic stabilization of water pH at 2/dm3 after leaving the reservoir, which has a positive effect on the ecology and sanitary condition of water bodies where untreated wastewater is discharged.

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