US 11,964,891 B2
Systems, devices and methods for anaerobically treating wastewater
Zhen Huang, Newton, MA (US); Xiaojin Li, Lexington, MA (US); and Shawn H Veltman, Blacksburg, VA (US)
Filed by Cambrian Innovation,Inc., Watertown, MA (US)
Filed on Nov. 28, 2021, as Appl. No. 17/536,079.
Prior Publication US 2023/0166994 A1, Jun. 1, 2023
Int. Cl. C02F 3/28 (2023.01); B01D 21/00 (2006.01); C02F 11/04 (2006.01); C02F 1/00 (2023.01)
CPC C02F 3/284 (2013.01) [B01D 21/0042 (2013.01); B01D 21/0045 (2013.01); B01D 21/0069 (2013.01); C02F 3/2806 (2013.01); C02F 3/2846 (2013.01); C02F 11/04 (2013.01); C02F 2001/007 (2013.01); C02F 2203/006 (2013.01)] 31 Claims
OG exemplary drawing
 
1. A system for treating anaerobic wastewater comprising:
a reactor comprising
a sludge section,
a first settler comprising nested plates, wherein the settler is configured to limit channeling of biogas along walls of the reactor that carry solids, and to allow biogas to travel around the settler and into a gas dome and further configured in or more shapes, and
a separator section configured between the settler and the sludge section comprising a plurality of overlapped, sloped gas hoods or baffles.