BLOCK-MODULE PLANT FOR TREATMENT OF SEWAGE WATER Russian patent published in 1995 - IPC

FIELD: sewage water treatment. SUBSTANCE: block-module plant for treatment of sewage water has pumping, preliminary treatment and flotation modules, inclined block of thin-layer separation and blocks for gathering flotation slime and oil products. Block-module plant is additionally furnished with modules for ozonation and filtration of sewage water and block for collection of mechanical impurities. Modules for preliminary treatment, flotation, ozonation and filtration are connected in series. All modules and blocks are self-contained and provided with inlets of sewage water to be treated and outlets of sewage treated water, devices for fastening blocks to modules and/or blocks and modules to one another and having connecting pipelines with valving. Ozonization module has device for dispersion of gas, mainly, ozone or oxygen, and gas supply branch pipe connected through compressor to ozonizer. Inclined block of thin-layer separation is installed in flotation chamber of flotation module. EFFECT: higher efficiency. 10 cl, 9 dwg