Factors Affecting the Depurative Powers of Adsorbents

Some light is thrown on this rather obscure situation by the data of Table II, obtained in the author s laboratory. Evidently when a 

Depurative Powers of a New Granular Activated Carbon and a New Bone Char 

Adsorbent Weight (grams) Per Cent Color Removed Per Cent Ash Removed pH of Sugar Liquor after Contact 

The negative ash removal exhibited by the activated carbon merely indicates that it contains impurities soluble in the sugar liquor. That active carbon, properly prepared, is capable of removing ash-forming 

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