Treatment of lower glycol-containing operative fluids

Details Treatment of lower glycol-containing operative fluids Treatment of lower glycol-containing operative fluids

B - Operations, Transporting

01

D

182/15.3

B01D 61/02 (2006.01) B01D 67/00 (2006.01) B01D 69/02 (2006.01) B01D 71/68 (2006.01) C07C 29/76 (2006.01)

Patent

CA 2037215

Operative fluids containing lower glycol are contacted with semi-permeable membranes under reverse osmosis conditions to permeate lower glycol to provide a reclaimed lower glycol product. Exemplary operative fluids include antifreeze solutions, heat transfer fluids, deicers, quenchants, hydraulic fluids, lubricants, solvents and absorbents.

Fluides de service contenant du glycol de faible poids moléculaire et mis en contact avec des membranes semi-perméables en conditions d'osmose inverse en vue d'assurer la perméation du glycol de faible poids moléculaire et d'en récupérer un produit. Les fluides de service comprennent notamment les solutions antigel, les fluides caloporteurs, les produits de dégivrage, les agents d'extinction, les fluides hydrauliques, les lubrifiants, les solvants et les agents d'absorption.

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