Patent ID: 7740766
Filing Date: 2010-06-22
Classification: B01D,B01J,C02F

Abstract:
1. A method of providing potable water, comprising: (a) providing a filter comprising a housing having an inlet and an outlet and a filter material disposed within the housing, the filter material formed at least in part from a plurality of mesoporous wood activated carbon filter particles and particles selected from the group consisting of mesoporous wood activated carbon filter particles coated entirely with a cationic polymer, mesoporous wood activated carbon filter particles partially coated with a cationic polymer, and mixtures thereof, wherein: (b) passing water through the filter; and (c) removing bacteria and viruses from the water with the filter at a level of Filter Bacteria Log Removal of greater than about 2 logs and a Filter Viruses Log Removal of greater than about 1 log.