Device for fuel and chemical production from biomass-sequestered carbon dioxide and method therefor
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United States of America Patent
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Mar 14, 2017
Grant Date -
Sep 15, 2011
app pub date -
Mar 9, 2010
filing date -
Mar 12, 2009
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Abstract
A process and apparatus for sequestering carbon and converting it to fuel, such as methane, and/or materials, such as fermentation substrates, biopolymers, bioplastics, oils, pigments, biochar, metals, such as mercury, chromium and arsenic, fibers, proteins, vitamins, fertilizers and animal feed. The apparatus comprises a deep well carbon-sequestering bioreactor coaxially located within a deep well anaerobic bioreactor. Carbon is sequestered into a photosynthetic biomass or a heterotrophic biomass, which is subsequently digested by an anaerobic biomass containing methanogenic microbes, whereby methane is a digestion product. Alternatively, the biomass can be subjected to physical-chemical treatment to produce oil and other useful byproducts.
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