| Activated carbon is used for the removal of impurities or decolorization of the raw materials and ingredients. |
| The ability to degrade azo dyes varied between lignin peroxidase isoenzymes and optimum pH for decolorization differed between dyes. |
| The decolorization of the pond water by means such as OXY-P or hydrogen peroxide is no longer necessary. |
| Further, decolorization by adsorption probably also involves the removal of the last traces of emulsified grease. |
| The discoloration and decolorization of aluminum composite panel are mainly caused by the improper selection of panels. |
| The effect of this winter sun on my decolorization was to fix the details of drawing on the cloth more firmly than expected. |
