Patent ID: 7682503

Claim:
An air driven water filter comprising; (a) a filtration system having an effluent pipe and a means to discharge influent; (b) said filtration system containing a means for providing a water air mixture; (c) said means for providing a water air mixture situated at said effluent pipe, upstream from said filtration system, whereby water in need of treatment is delivered to said filtration system; (d) said effluent pipe is plumbed directly into a separation chamber, whereby gravity separates said water air mixture; (e) said separation chamber having an airtight top; (f) said separation chamber also including a substantially vertical divider, said divider being sealed at the sides and top and open at the bottom, the bottom of said divider defining the lower limit of the water level inside said separation chamber, whereby said water air mixture is degassed and the degassed water is allowed to exit said separation chamber from the bottom to be treated in an isolation chamber; (g) said isolation chamber is open to the atmosphere; (h) said separation chamber further containing a means for capturing pressurized air, said means for capturing pressurized air being above the water level in said separation chamber, whereby said pressurized air can be used again.