COMPLEX WATER TREATMENT INSTALLATION Russian patent published in 1995 - IPC

FIELD: water treatment. SUBSTANCE: installation comprises a cylindrical casing with inlet and outlet branch pipes, a settler in the form of two successively-connected compartments, one containing a package of membrane elements and provided with a branch pipe having an adjusting element, an accumulating unit with branch pipes for discharge of sediment, electric coagulator with a system of cylindrical electrodes installed coaxially with the casing; the external and internal cylindrical electrodes are connected in series with each other and connected to the negative pole of the current source while the middle electrode and a replaceable rod electrode located co- axially in the space of the internal cylindrical electrode are connected to the positive pole of the current source. The rod electrode may be made from anode-soluble or anode-insoluble material, made up of sections with different anodic solubility, and of sections with different thickness. The membrane package is made of elements. EFFECT: improved design.