WATER-TREATMENT PLANT Russian patent published in 1995 - IPC

FIELD: preparation and treatment of water in municipal, industrial and circulating water systems. SUBSTANCE: water-treatment plant has unit of settlers or clarifiers with common collecting channel of clarified water and filter unit with grain filter media, pipelines for supply of treated water and discharge of clarified water, pipeline of washing water connected with washing system of filter unit. To exclude vessels for storage of washing water and equipment for its supply, washing pipelines are connected with collecting channel of clarified water. EFFECT: higher efficiency. 3 dwg