Which technology is commonly used to recover chemicals from rinse water?

Ion exchange is commonly used to recover chemicals from rinse water due to its ability to selectively remove and recover specific ions from a solution. In processes where rinse water contains various dissolved ions, ion exchange systems can effectively swap unwanted ions in the water for more desirable ions, capturing valuable chemicals that can be reused. This method takes advantage of the fixed charges in the resin, allowing it to attract and hold onto certain ions while releasing others, thus concentrating the desired chemicals from the rinse water for further applications or processing.

Filtration, on the other hand, primarily focuses on removing solid particles from liquids but may not be effective for recovering dissolved chemicals. Membrane separation can be useful for various separation processes but is often more about separating particles based on size or charge rather than specifically recovering ions. Distillation involves evaporation and condensation, which is effective for certain types of chemical recovery but not typically for ionic compounds found in rinse water.