PLANT FOR PURIFICATION OF LIQUIDS FROM OILS AND SUSPENDED MATTER Russian patent published in 1996 - IPC

FIELD: purification of production sewages. SUBSTANCE: plant is applicable in gradual reduction of concentration of floating oils (oil products) with the help of wire brush in the coarse purification section and unit of obliquely directed plates in section of fine-layer settling, filter element from dusty sawdust with regulator of density of fiber packing in final purification section. Floating oils (oil products) in each section is removed together with thin surface layer of water through unloading holes made in side walls of the plant. EFFECT: higher degree of purification of production sewages from oils (oil products) up to 3/10 mg/l and suspended matter up to 10-15 mg/1, reduced operating costs for water purification and increased filter service life. 1 dwg