Title:
METHOD FOR TREATING WATER CIRCULATING THROUGH WET COATING BOOTH
Document Type and Number:
Japanese Patent JP2006247456
Kind Code:
A
Abstract:
To provide a method for surely flocculating/surfacing produced sludge by covering the surface of produced sludge with a phenolic resin.
Paint in circulating water which circulates through a wet coating booth and contains water paint and/or solvent-based paint is surfaced and separated by adding a melamine-aldehyde acid colloidal solution and an aluminum compound or an iron compound to the circulating water to make paint un-tacky and then adding the phenolic resin to the resulting circulating water.
Inventors:
HORIUCHI MASAHIRO
Application Number:
JP2005063792A
Publication Date:
September 21, 2006
Filing Date:
March 08, 2005
Export Citation:
Assignee:
KURITA WATER IND LTD
International Classes:
C02F1/52; B05D3/00; C02F1/24