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US 11,964,891 B2Granted
Systems, devices and methods for anaerobically treating wastewater
OwnerZhen Huang, Xiaojin Li +1inventors
InventorsZhen Huang, Xiaojin Li, Shawn H Veltman
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Abstract
Anaerobic wastewater treatment systems, devices and methods complete three-phase separation of biogas, liquids and solids (e.g., biomass) using overlapped gas hoods or baffles and one or more conically-shaped settlers having a varying cross-sectional area.
Claims31
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.
1 more element
Dependencies are inferred from the claim text.