Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1996-04-12
1997-11-04
Fortuna, Ana
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
210511, 210751, B01D 1100
Patent
active
056835850
ABSTRACT:
Wastewaters resulting from preparation or use of paints comprising organic solvents are purified by extraction with higher monoalcohols, i.e. alcohols having at least 8 carbon atoms in the molecule.
REFERENCES:
patent: 3898291 (1975-08-01), Darsi et al.
patent: 4149968 (1979-04-01), Kupiec et al.
patent: 4692432 (1987-09-01), Tedder
patent: 4770780 (1988-09-01), Moses
Bach Hanswilhelm
Bahrmann Helmut
Weber Jurgen
Fortuna Ana
Hoechst Aktiengesellschaft
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