FIELD: nanotechnology.
SUBSTANCE: membrane for nanofiltration in water, alcohol and water-alcohol media is proposed. The membrane is obtained as a result of the extracted from the water ponds ascidia mantel of the Halocynthia aurantium species treatment by aqueous sodium hydroxide solution 0.5% for at least 24 hours at 100°C.
EFFECT: invention provides the opportunity to conduct filtration at conditions of nanofiltration low pressures, the ability to selectively extract the alcohol from its water mixtures and the absence of hysteresis at graphic charts of permeability from pressure.
6 dwg, 5 ex
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