DEVICE FOR TREATMENT OF SEWAGE Russian patent published in 2003 - IPC

FIELD: treatment of sewage; treatment of chromium-containing waste water in circulating water supply systems; metallurgy; chemical, mining and other industries. SUBSTANCE: proposed device is used for cleaning flushing water of galvanic processes from heavy metals and some organic agents, cleaning oil-and-scale-containing waste water and arsenic-containing solutions. Proposed device includes reservoir filled with galvanic mass and provided with starting water supply branch pipe and cleaned water discharge branch pipe. Reservoir is made in form of two inclined crossing cylindrical pipes secured on springing hangers equipped with vibration motors mounted under said pipes and perforated air supply branch pipes running over entire length of pipe bottom; pipes are communicated by means of bin having vertical wall. EFFECT: enhanced efficiency of cleaning from cations of heavy metals, toxic anions and organic admixtures. 1 dwg