PLANT FOR INTEGRATED SEWAGE WATER PURIFICATION FROM DIFFICULTLY OXIDIZABLE ORGANIC COMPOUNDS Russian patent published in 2003 - IPC

FIELD: deep purification of sewage waters from difficultly oxidizable organic compounds. SUBSTANCE: plant has successively communicated units of coagulation-flotation and biofilter. It is additionally provided with sand trap, ozonoflotator, catalytic reactor with charge of solid adsorbent installed between coagulation-flotation unit and biofilter, unit for treatment of salvo ejections of organic compounds consisting of vessels with aluminum sulfate and lime milk, ferment preparation, adsorbent-vermiculite and hydrogen peroxide all provided with respective measuring devices, intermediate vessel, pump and filter with highly porous medium. EFFECT: higher efficiency of sewage water purification from difficultly oxidizable organic compounds. 5 c;, 2 dwg