A FILTERING DEVICE FOR THE REMOVAL OF ARSENIC FROM GROUND SURFACE DRINKING WATER

摘要

This invention relates to a filtering device for the removal of arsenic from ground surface drinking water characterized by a first chamber (10) having steel wool (2) as herein described disposed therein, said chamber having a water inlet (1) at the upper end for receiving the contaminated water, a second chamber (9) having treated sand (4) therein and connected at the upper end to said first chamber (10); the said second chamber (9) having fine cloth filters (3) and (5) placed at the upper end and bottom end respectively; a third chamber (8) connected at the upper end to said second chamber (9) for collection of pure filtered water from the said second chamber (9); said third chamber (8) having a water outlet (7) for filtered water (6). (Fig.l)