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Title: Method for generating methane from a carbonaceous feedstock

The present invention provides a method for generating methane from a carbonaceous feedstock with simultaneous in situ sequestration of carbon dioxide to afford a biogas comprising at least 85 percent by volume methane, the method comprising anaerobically incubating a particulate additive in contact with a carbonaceous feedstock in a neutral or alkaline aqueous culture medium containing a culture of methanogenic consortia and collecting methane generated therefrom. The additive comprises at least one material selected from a biochar, an ash produced by gasification or combustion of a carbonaceous material, a black carbon soil, and a Terra Preta soil.
Inventors:
; ;
Issue Date:
OSTI Identifier:
1457740
Assignee:
UChicago Argonne, LLC (Chicago, IL) ANL
Patent Number(s):
9,994,870
Application Number:
14/540,393
Contract Number:
AC02-06CH11357
Resource Relation:
Patent File Date: 2014 Nov 13
Research Org:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English