Patent ID: 7309425
Filing Date: 2007-12-18
Classification: B01D,B01J,C02F,Y10S

Abstract:
1. An apparatus for the production of arsenic free water, i.e., water containing <10 ppb arsenic, from arsenic contaminated water said apparatus comprising a mixing tank ( 1 ) containing a suspension of arsenic adsorbing media, ( 2 ), the said tank having an inlet ( 9 ) for the arsenic contaminated ground water to be treated, and an outlet ( 10 ) for discharge, the said outlet ( 10 ) being connected through a pump ( 3 ) to a feed back spray ( 11 ) to the mixing tank ( 1 ) and one or more pressure filtration modules ( 4 ), each of the said modules ( 4 ) housing one or more ceramic pressure filtration tubes ( 5 ) encased in such a manner so as to allow discharge of the filtered water through an outlet ( 7 ), the said pressure filtration module being also provided with a feed back connection ( 8 ) to the said mixing tank ( 1 ).