C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 1/26 (2006.01) C12S 99/00 (2010.01) B01D 17/05 (2006.01) B01D 21/00 (2006.01) C02F 1/40 (2006.01) C02F 3/00 (2006.01) C11D 1/75 (2006.01) C11D 3/386 (2006.01)
Patent
CA 2116439
A method of separating oleophilic-hydrophobic material from wash water is disclosed. The method comprises the steps of mixing with the wash water, either alone or in combination, about 30-2100 ppm of a surfactant having formula (I), where n is 6-20; and about 1-200 ppm of an enzyme selected from the group consisting of proteases, amylases, lipases, cellulases, pectinases and mixtures thereof. The mixture of wash water surfactant and/or enzyme is then permitted to stand for a time sufficient for the oleophilic-hydrophobic material to separate.
Procédé permettant de séparer les matières oléophiles-hydrophobes présentes dans de l'eau de lavage. Dans ce procédé on mélange à l'eau de lavage de manière séparée ou combinée, environ 30 à 2100 p.p.m d'un agent tensioactif de formule (I), dans laquelle n est compris entre 6 et 20; et environ 1 à 200 p.p.m d'un enzyme sélectionné dans le groupe constitué de protéases, d'amylases, de lipases, de cellulases, de pectinases et de mélanges de ces dernières. On laisse ensuite reposer le mélange eau de lavage/tensioactif et/ou enzyme pendant une durée suffisante pour que les matières oléophiles-hydrophobes se séparent.
Borden Ladner Gervais Llp
United Laboratories Inc.
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