FIELD: galvanochemical industry; methods of devices of the galvanochemical purification of the industrial waste waters.
SUBSTANCE: the invention is pertaining to purification of the waste production process solutions containing the ions of the heavy metals. The method provides for the treatment of the water with the mixture of the particles of the galvanic pair containing iron and coke at its stirring action with the subsequent separation of the formed sediment. The galvanic pair composition is added with the magnetite at the galvanic pair components ratio of iron: coke: magnetite equal to 1 : (0.3-0.5 : (0.1-0.2), and the treatment is conducted at the linear speed of the water running of 5-10 cm/minute at рН = 6.5-7.5 with the subsequent separation of the sediment in the magnetic field with the induction of 0.05-0.15 T. The method is realized in the device containing the cylindrical drum, inside which there are ledges and nets with the galvanic pair particles load placed between them, the drive, the loading and unloading tools. The unloading tool additionally contains the hollow drum made out of the diamagnetic material located coaxially to the cylindrical drum and consolidated with it on the same shaft, inside which there are the ledges having the flexures in the direction of the dram rotation. The drum is filled by 1/3-1/4 of its volume with the movable spherical magnetic loading, and from the outer side of the drum there is the spring-bias scraper blade consolidated on the outer stationary body bounding the drum. The technical result of the invention is the increased efficiency of purification of the industrial waste waters and formation of the sediment with the heightened ferromagnetic properties.
EFFECT: the invention ensures the increased efficiency of purification of the industrial waste waters and formation of the sediment with the heightened ferromagnetic properties.
4 cl, 1 dwg
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