USE OF INSOLUBLE SOIL COLLECTORS FOR AT LEAST PARTIAL REGENERATION OF LAUNDERING AND CLEANING SOLUTIONS

摘要

The process of regenerating a soil-laden detergent solution comprising contacting said solution with a soil collector comprising a poiyfunctional quaternary ammonium compound which is at least substantially insoluble in the solution and/or immobillzed on a solid correspondingly insoluble in the solution.