Patent ID: 8470181
Filing Date: 2013-06-25
Classification: B01J,C02F

Abstract:
1. A process for reducing an amount of an organic component in water, the process comprising contacting the water with a surface-reacted natural calcium carbonate and a hydrophobic adsorbent, wherein the hydrophobic adsorbent is talc, hydrophobised calcium carbonate, hydrophobised bentonite, hydrophobised kaolinite, hydrophobised glass, or any mixture thereof, wherein the surface-reacted natural calcium carbonate is a reaction product of a natural calcium carbonate with an acid and carbon dioxide formed in-situ by the acid treatment and/or supplied externally, wherein the surface-reacted natural calcium carbonate is prepared as an aqueous suspension having a pH of greater than 6.0, measured at 20° C., and wherein the at least one organic component does not include pitch.