APPARATUS FOR TREATING WASTE WATER FROM OIL PRODUCTS Russian patent published in 2020 - IPC C02F1/40 C02F1/28 C02F9/02 C02F9/08 C02F101/32 C02F103/00 

FIELD: oil, gas and coke-chemical industries.

SUBSTANCE: invention relates to environmental protection, in particular to treatment of surface waste water of enterprises specializing in recycling oil sludge and oil-containing wastes. Plant for purification of waste water from oil products comprises horizontally located in rectangular cross-section housing 1, divided by vertical partitions 2, 13, 3 into communicating chambers 6, 11, 7 and containing branch pipe for supply of purified water 4 and purified water discharge branch pipe 5 installed in upper parts of end walls, respectively, first and second communicating chambers 6 and 7, coarse filter 8, post-treatment sorption filter 9 arranged in last chamber 7, wherein in the upper part of the first in the direction of movement of the purified water chamber 6 on the upper vertically arranged partition wall 2 is fixed a channel for removal of oil layer 10, coarse filter 8 is located horizontally in the second in the direction of motion of the purified water chamber 11 between upper 3 and lower 13 partitions, is closed from above by horizontal limiting grid 14 and has rectangular shape in cross section, in internal central part of coarse filter 8 there is mixing element 12 fixed in upper part of second chamber 11, wherein in its lower part on the side of last chamber 7 there is a vertical limiting grid 15, the height of which is 1/3 of the height of the upper vertical partition wall 2 or 3, and the post-treatment sorbent filter 9 made in the form of a cylinder is installed on the horizontal support grid 16.

EFFECT: technical result of the invention is higher efficiency of treating waste water from oil products.

3 cl, 1 dwg