SYSTEM OF COLLECTOR-DRAINAGE WATER QUALITY CONTROL Russian patent published in 2001 - IPC

FIELD: protection of waterworks facilities from incoming biogenic substances, pesticides, heavy metals contained in return waters of irrigation systems for their subsequent use for irrigation. SUBSTANCE: system has antechamber; physicochemical control unit; biochemical control unit in form of trench with higher aquatic plants and filter-overflow dam dividing the unit into two sections; overfalls-aerators; collector of purified collector-drainage waters; purified water conditioning unit and technological unit for introduction of chemical meliorants. Unit of water conditioning by means of overfalls-aerators is joined from one side with biochemical control unit, and from the other side, with accumulator of purified collector-drainage waters. EFFECT: provided closed system of water use in amelioration, saved water resources, produced ecologically clean agricultural products, and prevented pollution of water ecological systems. 3 dwg