Water Decolorization

**Definition:** The removal of DYES; STAINS; or other COLORING AGENTS, natural or synthetic, from water sources by various processes such as ADSORPTION; BIOREMEDIATION; enzymatic digestion; and ELECTROLYSIS.

**Tree numbers:** - N06.850.780.200.800.800.900.900.500 - N06.850.860.510.900.900.500