At one of the largest oil extraction plants in Volga federal district, ZAO Samaraagroprompererabotka, the equipment manufactured by UP Polymerconstruction was put into operation – a containerized storm and industrial wastewater treatment plant Crystall-RK with a capacity of 800 m3/day consisting of:

- flotation unit with a reagent preparation and dosing station;

- clarifying pressure filters; 

- sorption pressure filters;

- sludge treatment unit based on a belt filter press with mounting of a flocculant preparation and dosing station and a screw conveyor.

All technological equipment was mounted in a container in plant conditions what allowed to minimize construction works on site.