MEMBRANE SEPARATION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a membrane separation method which is high in a ratio of obstructing the particles and ions tending to permeate permeable membranes and is large in permeation flow flux. SOLUTION: Membrane separation is carried out while the permeable membranes in a membrane module 3 arranged with the permeable membranes is vibrated when liquid to be treated is subjected to the membrane separation by supplying the liquid to be treated to one side of the membrane module 3, permeating permeation components to the other side, taking a permeate out of the other side and taking a non-permeable liquid does not permeate the permeable membranes out of the one side.