MEMBRANE PLANT Russian patent published in 2003 - IPC

FIELD: membrane separation processes; treatment of various solutions for removal of admixtures, concentration of solutions, treatment of sewage; filtration of wine and wine materials; chemical industry. SUBSTANCE: plant includes reservoir for solution to be separated which is connected with recirculating loop by means of delivery pump; said recirculating loop includes membrane apparatus separating the solution into concentrate and permeate; membrane plant is also provided with circulating pump, line discharging the concentrate to separable solution reservoir, permeate reservoir, shut- off fittings and pipe lines connecting various members of plant; permeate discharge line is provided with throttling unit and is connected with check membrane member which retards admixtures of permeate passed through it; membrane member is connected with pressure differential sensor or with permeate flowmeter; permeate discharge line and recirculating loop are connected through check valve. EFFECT: enhanced separation of solutions; enhanced operational reliability. 4 cl, 3 dwg