MEMBRANE PLANT Russian patent published in 1995 - IPC

FIELD: membrane equipment. SUBSTANCE: membrane plant has the following components connected in series: a sand filter, an interim container, a pump, a membrane filter, a permeate receptacle, and valves. The interim container is provided with a filling neck. A perforated partition divides the container into inlet and outlet chambers. The inlet chamber is open to the clarified water line of the sand filter through a valve and the filling neck, and it is open to the outlet chamber through the suction branch pipe of the pump, a valve, a membrane filter, a concentrate line, another valve, and the filling neck. The outlet chamber is open to the permeate receptacle through the suction branch pipe of the pump, a valve, the membrane filter, the permeate line, and another valve. The perforated partition may be a barrel with its inner space forming the inlet chamber. EFFECT: higher efficiency. 2 cl, 1 dwg