Processes and systems for the production of alcohols
First Claim
Patent Images
1. A method for producing product alcohol comprising:
- providing a feedstock slurry comprising fermentable carbon source, undissolved solids, and oil;
separating at least a portion of the feedstock slurry forming (i) an aqueous solution comprising fermentable carbon source, (ii) a wet cake comprising solids, and (iii) an oil stream;
wherein the step of separating at least a portion of the feedstock slurry includes using a three-phase centrifuge to separate the feedstock slurry;
returning at least a portion of the oil stream to the three-phase centrifuge; and
adding the aqueous solution to a fermentation broth comprising microorganisms in a fermentor whereby a product alcohol is produced.
2 Assignments
0 Petitions
Accused Products
Abstract
The present invention relates to processes and systems for the production of fermentative products such as ethanol and butanol. The present invention also provides methods for separating feed stream components for improved biomass processing productivity.
-
Citations
49 Claims
-
1. A method for producing product alcohol comprising:
-
providing a feedstock slurry comprising fermentable carbon source, undissolved solids, and oil; separating at least a portion of the feedstock slurry forming (i) an aqueous solution comprising fermentable carbon source, (ii) a wet cake comprising solids, and (iii) an oil stream;
wherein the step of separating at least a portion of the feedstock slurry includes using a three-phase centrifuge to separate the feedstock slurry;returning at least a portion of the oil stream to the three-phase centrifuge; and adding the aqueous solution to a fermentation broth comprising microorganisms in a fermentor whereby a product alcohol is produced. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 35, 36, 37, 38, 46, 47)
-
-
29. A method to improve oil recovery from a feedstock slurry comprising:
-
providing a feedstock slurry comprising fermentable carbon source, undissolved solids, and oil; separating at least a portion of the feedstock slurry forming (i) an aqueous solution comprising fermentable carbon source, (ii) a wet cake comprising solids, and (iii) an oil stream; and returning at least a portion of the oil stream to the feedstock slurry; wherein an increased concentration of oil in the feedstock slurry improves the recovery of oil from the feedstock slurry.
-
-
30. A method for producing product alcohol comprising:
-
providing a feedstock slurry comprising fermentable carbon source, undissolved solids, and oil; separating at least a portion of the feedstock slurry forming (i) an aqueous solution comprising fermentable carbon source, (ii) a wet cake comprising solids, and (iii) an oil stream;
wherein the step of separating at least a portion of the feedstock slurry includes using a three-phase centrifuge to separate the feedstock slurry;combining the oil stream with feedstock slurry to form a mixture of oil and feedstock slurry; returning the mixture to the three-phase centrifuge; and adding the aqueous solution to a fermentation broth comprising microorganisms in a fermentor whereby a product alcohol is produced. - View Dependent Claims (31, 32, 33, 34, 39, 40, 41, 42, 43, 44, 45, 48, 49)
-
Specification