Multi-Planar Gas Recovery Bioreactor

• US 20090269140A1
• Filed: 08/19/2008
• Published: 10/29/2009
• Est. Priority Date: 04/28/2008
• Status: Active Grant

• Current Assignee: Waste Management Incorporated
• Original Assignee: Waste Management Incorporated
• Inventors: Green, Roger, Barbush, John A., Mieczkowski, Kevin M., Hater, Gary R.
• Granted Patent: US 8,292,543 B2
• Time in Patent Office: Days
• US Class Current: 405/129.700
• CPC Class Codes: B09B 1/00 Dumping solid waste
• CPC Class Codes: B09B 1/006 Shafts or wells in waste dumps
• CPC Class Codes: B09B 3/00 Destroying solid waste or transforming solid waste into something useful or harmless
• CPC Class Codes: Y02W 30/30 Landfill technologies aiming to mitigate methane emissions
• CPC Class Codes: Y02W 30/40 Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

Abstract

A bioreactor including one or more features that improve bioreactor liquid infiltration and gas recovery including a porous material layer having a layer of first porous material including a trench, a second porous material located in the trench and extending beyond the top surface of the layer of first porous material and perforated gas recovery piping located in the second porous material.

Claims