DEVICE FOR CLEANING OF STORM WATERS FROM OIL PRODUCTS AND SUSPENDED MATTERS Russian patent published in 2009 - IPC C02F1/40 

FIELD: technological processes, filters.

SUBSTANCE: invention is related to device for cleaning of storm waters from oil products and suspended matters and may be used for cleaning of rain storm water sewage. Device comprises zone of setting, thin-layer settling tank, filter with floating bed, sorption filter with activated coal. Setting zone is equipped with container for oil product removal, flow distributor. In lower part of semi-submerged plate there is a coalescent filter from corrugated cells made from oleophilic material. Zone of coalescence is separated from thin-layer setting tank by additional inclined semi-submerged plate. In zone of coalescence tray is installed for collection of oil product film, which is removed from tray to zone of setting by means of pump. Downstream thin-layer unit there are double-level cylindrical mechanical filters with large working surface from oleophilic sorption material, (for instance, sipron, megasorb, etc). Drain of cleaned water from sorption filter with activated coal is done from upper part.

EFFECT: improved extent of drain water cleaning from oil products and suspended matters.

3 cl, 2 dwg