US 6,982,035 B1
Biphase orbicular biodigester
David M. O'Keefe, 3714 SE. 41 Ave., Gainesville, Fla. 32641 (US)
Filed on Mar. 29, 2004, as Appl. No. 10/811,365.
Int. Cl. C02F 3/28 (2006.01)
U.S. Cl. 210—258 6 Claims
OG exemplary drawing
 
1. An anaerobic digester comprising:
a cylindrical vessel having an internal partition defining an orbicular loop passage and a inner chamber;
the loop passage having a first circumferential end and a second circumferential end;
means of communicating waste into the first circumferential end without introducing ambient air to the vessel;
means of allowing solid waste to leave the second circumferential end without introducing ambient air to the vessel;
means of conducting liquid waste from the second circumferential end to the inner chamber; and
means of removing liquid from the vessel.