METHOD AND DEVICE FOR CONCENTRATING WATER SOLUTIONS OF BIOLOGY-ACTIVE AGENTS Russian patent published in 2008 - IPC B01D61/02 C02F1/44 

FIELD: medicine and chemical industry.

SUBSTANCE: method comprises supplying primary solution to the diaphragm unit for separating it into purified filtrate and concentrate enriched with dissolved agents. The concentrate is returned to the collecting tank. The control throttles control the flow rate of the filtrate and pressure drop, and the solution is set in circulation through the diaphragm unit, with control of the flow rate of filtrate. When the flow rate of filtrate increases more than by 15% or pressure drop increases by more than 20%, the circulation stops, the collecting tank is emptied, and diaphragm unit is washed up. The device comprises collecting tank, pump provided with the pressure relay at its exit, diaphragm unit connected with the pump, flow meter mounted at the outlet of the branch pipe for discharging filtrate from the diaphragm unit, pressure gages at the inlet and outlet of the diaphragm unit, unit for automatic control, and valving systems.

EFFECT: enhanced efficiency, prolonged service life, and expanded functional capabilities.

9 cl, 1 dwg