Patent ID: 6024879
Filing Date: 2000-02-15
Classification: C02F

Abstract:
Process for the purification of water with a view to separating therefrom at least one organic substance and comprising the stages consisting of:contacting the water to be purified with a cyclodextrin of formula: ##STR5## in which R.sup.1 represents a C.sub.1 to C.sub.12 alkyl group or the acetyl group CH.sub.3 CO--, R.sup.2 and R.sup.3, which can be the same or different, represent H or R.sup.1, R.sup.2 and/or R.sup.3 can differ from the other R.sup.2 and R.sup.3 in at least one glucose unit of the cyclodextrin, and n=5, 6 or 7, for including in the latter the organic substance or substances to be separated andseparating the purified water from the cyclodextrin.