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US 7,118,308 B2Granted
Multi-planar gas recovery bioreactor
AssigneeWaste Management, Inc.
InventorsGary R. Hater, John A. Barbush, Chad A. Abell, Richard N. Barr
Life of this patent
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Abstract
A bioreactor including one or more features that improve bioreactor liquid infiltration and gas recovery and having a central core including liquid infiltration piping, a porous gas recovery material including at least one gas collection pipe, and a berm separating the central core from the porous gas recovery material.
Claims34
A bioreactor comprising:
- a compostable material;
- and
- at least one bioreactor cell located in the compostable material wherein the bioreactor cell further comprises:
- i. a central core including liquid infiltration piping;
- ii. a porous gas recovery material including at least one gas collection pipe wherein the at least one gas collection pipe is selected from a horizontal gas collection pipe and a non-horizontal gas collection pipe;
- and
- iii. a berm located between the central core and the porous gas recovery material.
4 more elements
A bioreactor comprising:
- a compostable material;
- and
- at least one bioreactor cell located in the compostable material wherein the bioreactor cell further comprises:
- a central core including liquid infiltration piping;
- ii. a porous gas recovery material including at least one gas collection pipe;
- iii a berm separating the central core from the porous gas recovery material;
- and
- iv. at least on in situ well pipe having a first end associated with the porous gas recovery material and a second end associated with the central core.
5 more elements
A landfill comprising:
- a compostable material;
- and
- a plurality of bioreactor cells each located in the compostable material wherein each bioreactor cells further comprises:
- i. a central core including liquid infiltration piping;
- ii. a porous gas recovery material including at least one gas collection pipe wherein the at least one gas collection pipe is selected from a horizontal gas collection pipe and a non-horizontal gas collection pipe;
- and
- iii a berm separating the central core from the porous gas recovery material and wherein at least two bioreactors are located on the same or on different horizontal planes.
4 more elements
Dependencies are inferred from the claim text.