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method for removing a product alcohol from a fermentation liquid, method for maintaining the product alcohol title, method for recovering a product alcohol, vapor stream and isobutanol
method for removing a product alcohol from a fermentation liquid, method for maintaining the product alcohol title, method for recovering a product alcohol, vapor stream and isobutanol
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机译:从发酵液中除去产物醇的方法,保持产物醇标题的方法,回收产物醇,蒸气流和异丁醇的方法
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摘要
A fermentation liquid feed including water and a product alcohol and optionally CO2 is at least partially vaporized such that a vapor stream is produced. The vapor stream is contacted with an absorption liquid under suitable conditions wherein an amount of the product alcohol is absorbed. The portion of the vapor stream that is absorbed can include an amount of each of the water, the product alcohol and optionally the CO2. The temperature at the onset of the absorption of the vapor stream into the absorption liquid can be greater than the temperature at the onset of condensation of the vapor stream in the absence of the absorption liquid. The product alcohol can be separated from the absorption liquid whereby the absorption liquid is regenerated. The absorption liquid can include a water soluble organic molecule such as an amine.
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