Booth water is pooled at the bottom of the water-based paint application booth in the water-based paint recycling method of the present invention. There are no particular restrictions on the above-mentioned booth water, but examples include the liquid used to dilute the water-based paint being used, industrial water, city water, and the filtrate obtained by the water-based paint recycling method of the present invention. From the standpoint of the effect of the present invention, however, the liquid used to dilute oil paintings the water-based paint being used, and the filtrate obtained by the water-based paint recycling method of the present invention are preferred.
The above-mentioned liquid used to dilute the water-based paint can be any one that is well known to persons skilled in the art, as dictated by the water-based paint being used. Examples include deionized water alone and deionized water containing a water-soluble organic solvent. There are no particular restrictions on the above-mentioned cheap oil paintings water-based paint, which can be any one that is well known to persons skilled in the art, but examples include thermosetting types, normal temperature curing types, and normal temperature drying types.
From the standpoint of preventing the fouling of the walls inside abstract oil paintings the booth, it is preferable if part of the above-mentioned booth water runs down along the inner walls of the above-mentioned water-based paint application booth, forming a so-called “water curtain.” This water curtain preferably flows into the booth water pooled at the bottom of the water-based paint application booth.
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