DIAPHRAGM ROLLED ELEMENT Russian patent published in 1998 - IPC

FIELD: desalination and demineralization of natural and waste waters by reverse osmosis. SUBSTANCE: diaphragm rolled element is made up of sheets of folded in two diaphragm, drain placed between them, and turbulence agent-separating element helically wound on a drain-tube and laid directly on the drain; turbulence agent-separating element is made in the form of watertight parallel plates combined in a block, the plates of the previous and subsequent layers of turbulence agent - separating element are opposite-directed. EFFECT: enhanced efficiency. 2 dwg