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US 2026/0249235 A1Published application
Integration of ethanol production with co2 compression and dehydration
AssigneePOET Research, Inc.
InventorDavid Charles Carlson
Life of this patent
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Abstract
Systems and methods of integrating gas from a fermentation system with a carbon dioxide compression and dehydration system.
Claims18
A method comprising:
- supplying a feed gas to a carbon dioxide compression and dehydration process, wherein the feed gas comprises carbon dioxide, ethanol, and moisture, wherein the feed gas is derived from fermenting a fermentable composition;
- and
- separating a liquid from the carbon dioxide compression and dehydration process, wherein the liquid comprises ethanol, wherein the ethanol is present in an amount of at least 10% by weight of the liquid.
A method comprising:
- supplying a feed gas to a carbon dioxide compression and refrigeration-based dehydration process, wherein the feed gas comprises carbon dioxide, ethanol, and moisture, wherein the feed gas is derived from fermenting a fermentable composition, wherein the feed gas has a concentration of ethanol of more than 0.2 mole percent;
- compressing the feed gas, or a gas derived from the feed gas, to form a compressed gas having a pressure of at least 500 psig;
- and
- supplying the compressed gas to a refrigeration-based dehydration system.
1 more element
A method comprising:
- supplying a raw gas to a carbon dioxide scrubbing process to form a scrubbed gas, wherein the raw gas comprises carbon dioxide, ethanol, and moisture, wherein the raw gas is derived from fermenting a fermentable composition, and wherein the scrubbed gas comprises a target ethanol concentration;
- supplying the scrubbed gas to a carbon dioxide compression and refrigeration-based dehydration process,
- compressing the scrubbed gas, or a gas derived from the scrubbed gas, to form a compressed gas,
- supplying the compressed gas to a refrigeration-based dehydration system,
- wherein the compressed gas comprises ethanol, and wherein the target ethanol concentration is based on a thermodynamic hydrate inhibitor (THI) value of the ethanol in the compressed gas.
2 more elements
Dependencies are inferred from the claim text.