Wet paint booth circulating water treatment agent
AssigneeKurita Water Industries Ltd.
InventorsTsuneyuki YOSHIDA, Yuta ARIMOTO, Yoshio YASUKAWA, Satoshi ONOUE
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Abstract
A method for treating a circulating water in a wet paint booth, the method including adding a treatment agent including an aqueous solution including a tannin and an alkali metal hydroxide and/or an alkali metal carbonate to the circulating water in any of passages for the circulating water in the wet paint booth, wherein the passages include for supplying the circulating water from a water tank to a paint booth, for collecting an uncoated paint in the circulating water, and for returning the circulating water to the water tank; to detackify the uncoated paint collected in the circulating water.
Claims11
1-7. (canceled)
A treatment agent for a wet paint booth circulating water, the treatment agent comprising
- an aqueous solution comprising
- a tannin, and
- an alkali metal hydroxide and/or an alkali metal carbonate,
- wherein the aqueous solution has pH of 10 to 13.
A method for treating a circulating water in a wet paint booth, the method comprising
- adding a treatment agent to the circulating water in any of passages for the circulating water in the wet paint booth, wherein the passages include for supplying the circulating water from a water tank to a paint booth, for collecting an uncoated paint in the circulating water, and for returning the circulating water to the water tank, to detackify the uncoated paint collected in the circulating water,
- wherein the treatment agent comprises an aqueous solution comprising a tannin and an alkali metal hydroxide and/or an alkali metal carbonate, and the aqueous solution has pH of 10 to 13.
Dependencies are inferred from the claim text.