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Options of wash water reuse for water treatment stations

Abstract

Options of wash water reuse for water treatment stations

Grishin B.M., Bikunona M.V., Yanyushkin D.A.

Incoming article date: 13.10.2023

The article provides an analysis of technological schemes for the reuse of contaminated water obtained after washing the rapid filters of water treatment plants. The advantages and disadvantages of existing options for reuse and disposal of purified and untreated wash water are shown. A new water treatment technology has been proposed, which involves pre-treatment of wash water with an organic coagulant, followed by mixing it with river water and subsequent reagent purification of the resulting mixture by settling and filtration.

Keywords: water treatment, filter wash water, coagulation, aluminum sulfate, organic coagulant, clarification