C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 1/26 (2006.01)
Patent
CA 2136600
Wastewaters which occur during preparation or use of paints comprising organic solvents are purified by extraction with higher monoalcohols, i.e. alcohols having 8 or more carbon atoms in the molecule.
Des eaux usées, provenant de la préparation ou de l'utilisation de peintures, renfermant des solvants organiques, sont purifiées par extraction à l'aide de monoalcools plus lourds, c.-à-d. des alcools comportant huit atomes de carbone ou plus.
Bach Hanswilhelm
Bahrmann Helmut
Weber J"urgen
Celanese Gmbh
Fetherstonhaugh & Co.
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