Direct Air Capture and Bioelectrochemical Conversion of CO2
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United States of America Patent
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Issued Date -
Feb 1, 2024
app pub date -
Oct 7, 2023
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May 12, 2021
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Abstract
An integrated, modular system for direct air capture (DAC) and electro-microbial production (EMP) for bioelectrochemical conversion of CO2 comprises (a) a solid absorbent configured to directly capture CO2 from air; (b) a first bioreactor configured to receive enriched and purified CO2 from the absorbent and convert the CO2 to an upgradeable organic carbon intermediate by an autotrophic microorganism, wherein the autotrophic organism derives energy from oxidation of electrochemically-generated reducing equivalents; and (c) a second bioreactor configured to receive the organic carbon intermediate from the first bioreactor for use as a feedstock by a metabolically engineered microorganism to generate a value added product.
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