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AssigneeLanzaTech, Inc.
InventorsRichard Rosin, Jason Greene, Taylor Schulz
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The invention provides a process for producing a fermentable gas stream from a gas source that contains one or more constituent which may be harmful to the fermentation process. To produce the fermentable gas stream, the gas stream is passed through a specifically ordered series of removal modules. The removal modules remove and/or convert various constituents found in the gas stream which may have harmful effects on downstream removal modules and/or inhibitory effects on downstream gas fermenting microorganisms. At least a portion of the fermentable gas stream is preferably capable of being passed to a bioreactor, which contains gas fermenting microorganisms, without inhibiting the fermentation process.
A process for producing a fermentable gas stream from an input gas stream, the input gas stream comprising CO, CO2, or H2, or a combination thereof, the process comprising:
A process for removing oxygen, acetylene, and hydrogen cyanide from an input gas stream, comprising reducing the oxygen to less than 100 ppm, reducing the acetylene to less than 1 ppm, and reducing the hydrogen cyanide to less than 1 ppm, by contacting the input gas stream with a catalyst, wherein said catalyst comprises copper supported on alumina, silica, titania, ceria, lanthana, carbon, silica-alumina, or zeolites.
Dependencies are inferred from the claim text.