The global automotive industry is a significant water consumer with an estimated 39,000 gallons used to produce a single car.[1] A large proportion of this water consumption is attributed to paint lines, where processing equipment must be regularly cleaned, leading to thousands of gallons of water being used weekly.[2] This water is traditionally disposed of as hazardous waste or must undergo extensive pretreatment before disposal; both of which result in high costs. One option to improve the water footprint while reducing operating expense is to treat the water from the paint line rinse baths and reuse it.

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