BIOREACTOR FOR TREATMENT OF NATURAL WATERS Russian patent published in 2002 - IPC

FIELD: water supply, particularly, purification of natural waters containing dissolved organoiron compounds or other complexoorganic compounds determining higher water cooler. SUBSTANCE: bioreactor includes vessel with packing located in its working zone with secured microorganisms whose metabolism provides for destruction of organoiron and other complex compounds. Packing is made in the form of roll from caprone thread net (deli) and bulk net presenting double Archimedean spiral in cross-section with lead equaling thickness of nets. Roll is installed in body for rotation round vertical axis and provided with impeller secured to roll lower part at level of supply of treated water longitudinally connected with body conical part. EFFECT: improved operating characteristics and treatment efficiency of natural waters containing complexoorganic forms of metals, particularly, iron and manganese. 2 dwg