CA2517920C - Method for producing ethanol using raw starch - Google Patents
Method for producing ethanol using raw starch Download PDFInfo
- Publication number
- CA2517920C CA2517920C CA2517920A CA2517920A CA2517920C CA 2517920 C CA2517920 C CA 2517920C CA 2517920 A CA2517920 A CA 2517920A CA 2517920 A CA2517920 A CA 2517920A CA 2517920 C CA2517920 C CA 2517920C
- Authority
- CA
- Canada
- Prior art keywords
- fermenting
- saccharifying
- plant material
- ethanol
- simultaneous
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract 26
- 229920002472 Starch Polymers 0.000 title claims 9
- 239000008107 starch Substances 0.000 title claims 9
- 235000019698 starch Nutrition 0.000 title claims 9
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 claims abstract 39
- 239000000463 material Substances 0.000 claims abstract 18
- 238000000855 fermentation Methods 0.000 claims abstract 6
- 230000004151 fermentation Effects 0.000 claims abstract 6
- 102000004169 proteins and genes Human genes 0.000 claims abstract 5
- 108090000623 proteins and genes Proteins 0.000 claims abstract 5
- 241000196324 Embryophyta Species 0.000 claims 14
- 239000000203 mixture Substances 0.000 claims 9
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims 8
- 240000008042 Zea mays Species 0.000 claims 7
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims 7
- 235000005822 corn Nutrition 0.000 claims 7
- 239000007787 solid Substances 0.000 claims 4
- 102000004190 Enzymes Human genes 0.000 claims 3
- 108090000790 Enzymes Proteins 0.000 claims 3
- 235000013339 cereals Nutrition 0.000 claims 3
- 229940088598 enzyme Drugs 0.000 claims 3
- 239000004382 Amylase Substances 0.000 claims 2
- 102000013142 Amylases Human genes 0.000 claims 2
- 108010065511 Amylases Proteins 0.000 claims 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 2
- 108010073178 Glucan 1,4-alpha-Glucosidase Proteins 0.000 claims 2
- 102100022624 Glucoamylase Human genes 0.000 claims 2
- 108091005804 Peptidases Proteins 0.000 claims 2
- 239000004365 Protease Substances 0.000 claims 2
- 102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 claims 2
- 239000002253 acid Substances 0.000 claims 2
- 235000019418 amylase Nutrition 0.000 claims 2
- 238000010411 cooking Methods 0.000 claims 2
- 230000003247 decreasing effect Effects 0.000 claims 2
- 230000002538 fungal effect Effects 0.000 claims 2
- 239000002245 particle Substances 0.000 claims 2
- 229920000945 Amylopectin Polymers 0.000 claims 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims 1
- 240000005979 Hordeum vulgare Species 0.000 claims 1
- 235000007340 Hordeum vulgare Nutrition 0.000 claims 1
- 241000209056 Secale Species 0.000 claims 1
- 235000007238 Secale cereale Nutrition 0.000 claims 1
- 240000006394 Sorghum bicolor Species 0.000 claims 1
- 235000011684 Sorghum saccharatum Nutrition 0.000 claims 1
- 244000062793 Sorghum vulgare Species 0.000 claims 1
- 235000021307 Triticum Nutrition 0.000 claims 1
- 244000098338 Triticum aestivum Species 0.000 claims 1
- 241000482268 Zea mays subsp. mays Species 0.000 claims 1
- 102000004139 alpha-Amylases Human genes 0.000 claims 1
- 108090000637 alpha-Amylases Proteins 0.000 claims 1
- 229940024171 alpha-amylase Drugs 0.000 claims 1
- 238000010923 batch production Methods 0.000 claims 1
- 238000010924 continuous production Methods 0.000 claims 1
- 239000000835 fiber Substances 0.000 claims 1
- 239000008103 glucose Substances 0.000 claims 1
- 235000019713 millet Nutrition 0.000 claims 1
- 229910052757 nitrogen Inorganic materials 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 235000013405 beer Nutrition 0.000 abstract 1
- 238000010980 drying distillation Methods 0.000 abstract 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L7/00—Cereal-derived products; Malt products; Preparation or treatment thereof
- A23L7/10—Cereal-derived products
- A23L7/104—Fermentation of farinaceous cereal or cereal material; Addition of enzymes or microorganisms
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L7/00—Cereal-derived products; Malt products; Preparation or treatment thereof
- A23L7/20—Malt products
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P7/00—Preparation of oxygen-containing organic compounds
- C12P7/02—Preparation of oxygen-containing organic compounds containing a hydroxy group
- C12P7/04—Preparation of oxygen-containing organic compounds containing a hydroxy group acyclic
- C12P7/06—Ethanol, i.e. non-beverage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Abstract
The present invention relates to methods for producing high levels of alcohol during fermentation of plant material, and to the high alcohol beer produced. The present invention also relates to methods for producing high protein distiller's dried grain from fermentation of plant material, and to the high protein distiller's dried grain produced. The present invention further relates to reduced stack emissions from drying distillation products from the production of ethanol.
Claims (36)
1. A process for producing ethanol from plant material, comprising:
reducing the plant material to produce material comprising starch;
the reduced plant material have particle size such that at least 50% of the particles fit through a sieve with a 0.1-0.5 mm mesh;
saccharifying the starch, without cooking, with an enzyme composition;
fermenting the incubated starch to yield a composition comprising at least 15 vol-% ethanol;
fermenting comprising reducing temperature of fermenting mixture; and recovering the ethanol and co-products from the fermentation.
reducing the plant material to produce material comprising starch;
the reduced plant material have particle size such that at least 50% of the particles fit through a sieve with a 0.1-0.5 mm mesh;
saccharifying the starch, without cooking, with an enzyme composition;
fermenting the incubated starch to yield a composition comprising at least 15 vol-% ethanol;
fermenting comprising reducing temperature of fermenting mixture; and recovering the ethanol and co-products from the fermentation.
2. The process of claim 1, wherein plant material comprises corn, which comprises high amylopectin starch.
3. The process of claim 1, wherein the plant material comprises corn, sorghum, millet, wheat, barley, rye, or mixtures thereof.
4. The process of claim 3, wherein the corn comprises waxy corn.
5. The process of claim 3, wherein the corn comprises high protein corn.
6. The process of claim 3, wherein the corn comprises #2 yellow dent corn.
7. The process of claim 1, comprising reducing the plant material with hammer mill, roller mill, or both hammer mill and roller mill.
8. The process of claim 7, comprising reducing the plant material to produce plant material of a size that at least 35% of the reduced plant material fits through a 0.1-0.5 mm screen.
9. The process of claim 1, comprising simultaneous saccharifying and fermenting.
10. The process of claim 1, comprising decreasing temperature during saccharifying, fermenting, or simultaneous saccharifying and fermenting.
11. The process of claim 1, comprising saccharifying, fermenting, or simultaneous saccharifying and fermenting at temperature of 25-40°C.
12. The process of claim 1, comprising saccharifying, fermenting, or simultaneous saccharifying and fermenting at temperature of 27-35°C.
13. The process of claim 1, comprising reducing temperature from about 40°C
and to about 25°C during saccharifying, fermenting, or simultaneous saccharifying and fermenting.
and to about 25°C during saccharifying, fermenting, or simultaneous saccharifying and fermenting.
14. The process of claim 1, comprising saccharifying, fermenting, or simultaneous saccharifying and fermenting at pH of about 3.0 to about 6Ø
15. The process of claim 1, comprising saccharifying, fermenting, or simultaneous saccharifying and fermenting at pH of about 4.1 to about 5.3.
16. The process of claim 1, comprising a pH of about 4 to about 4.5 at the start of the fermenting.
17. The process of claim 1, comprising a pH of about 5 to about 5.5 as the fermenting results in composition which comprises at least 15 vol-% ethanol.
18. The process of claim 1, comprising increasing pH from about 4 to about 5.3 during saccharifying, fermenting, or simultaneous saccharifying and fermenting.
19. The process of claim 1, comprising decreasing solid content from about 40%
to about 15% during saccharifying, fermenting, or simultaneous saccharifying and fermenting.
to about 15% during saccharifying, fermenting, or simultaneous saccharifying and fermenting.
20. The process of claim 1, wherein the enzyme composition comprises alpha amylase, glucoamylase, protease, or mixtures thereof.
21. The process of claim 1, wherein saccharifying, fermenting, or simultaneous saccharifying and fermenting comprises adding protease.
22. The process of claim 1, wherein saccharifying, fermenting, or simultaneous saccharifying and fermenting comprises adding backset.
23. The process of claim 1, wherein saccharifying, fermenting, or simultaneous saccharifying and fermenting comprising adding nitrogen.
24. The process of claim 1, comprising saccharifying and fermenting at rates that maintain concentration of glucose less than 3 wt-% in fermentation.
25. The process of claim 1, comprising saccharifying, fermenting, or both saccharifying and fermenting with about 0.1 to about 10 acid fungal amylase units (AFAU) per gram of dry solids reduced plant material and about 0.1 to about 6 glucoamylase units (AGU) per gram dry solids reduced plant material.
26. The process of claim 1, comprising starting saccharifying, fermenting, or both saccharifying and fermenting with about 25 to about 45 wt-% reduced plant material in water.
27. The process of claim 1, comprising starting saccharifying, fermenting, or both saccharifying and fermenting with residual starch at up to 20%.
28. The process of claim 1, comprising producing greater than 18 vol-% ethanol in about 48 to 96 hours.
29. The process of claim 1, comprising producing 18 vol-% to about 23 vol-%
ethanol.
ethanol.
30. The process of claim 1, further comprising recovering the solids from the fermentation.
31. The process of claim 30, recovering before, during, and after recovering the ethanol.
32. The process of claim 30, comprising recovering distiller's dried grain.
33. The process of claim 32, wherein the distiller's dried grain comprises about 30-38 wt-% protein, about 11-19 wt-% fat, about 25-37 wt-% fiber.
34. The process of claim 32, wherein the distiller's dried grain comprises at least about 30% protein.
35. The process of claim 1, comprising running the process as a batch process or as a continuous process.
36. A process for producing ethanol from plant material, comprising:
reducing the plant material to produce material comprising starch;
saccharifying the starch, without cooking, with an enzyme composition comprising acid fungal amylase;
fermenting the incubated starch to yield a composition comprising at least about 18 vol-% ethanol;
recovering ethanol from the fermentation.
reducing the plant material to produce material comprising starch;
saccharifying the starch, without cooking, with an enzyme composition comprising acid fungal amylase;
fermenting the incubated starch to yield a composition comprising at least about 18 vol-% ethanol;
recovering ethanol from the fermentation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2768844A CA2768844C (en) | 2003-03-10 | 2004-03-10 | Method for producing ethanol using raw starch |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US45344203P | 2003-03-10 | 2003-03-10 | |
| US60/453,442 | 2003-03-10 | ||
| PCT/US2004/007377 WO2004081193A2 (en) | 2003-03-10 | 2004-03-10 | Method for producing ethanol using raw starch |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2768844A Division CA2768844C (en) | 2003-03-10 | 2004-03-10 | Method for producing ethanol using raw starch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2517920A1 CA2517920A1 (en) | 2004-09-23 |
| CA2517920C true CA2517920C (en) | 2012-12-18 |
Family
ID=32990774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2517920A Expired - Lifetime CA2517920C (en) | 2003-03-10 | 2004-03-10 | Method for producing ethanol using raw starch |
Country Status (10)
| Country | Link |
|---|---|
| US (6) | US20040234649A1 (en) |
| EP (2) | EP1603406B1 (en) |
| CN (2) | CN102210376B (en) |
| AU (1) | AU2004219649A1 (en) |
| BR (1) | BRPI0408215B1 (en) |
| CA (1) | CA2517920C (en) |
| ES (1) | ES2398216T3 (en) |
| MX (2) | MX349099B (en) |
| WO (1) | WO2004081193A2 (en) |
| ZA (1) | ZA200507013B (en) |
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2004
- 2004-03-10 MX MX2014006527A patent/MX349099B/en unknown
- 2004-03-10 ES ES04719274T patent/ES2398216T3/en not_active Expired - Lifetime
- 2004-03-10 CA CA2517920A patent/CA2517920C/en not_active Expired - Lifetime
- 2004-03-10 MX MXPA05009553A patent/MXPA05009553A/en active IP Right Grant
- 2004-03-10 EP EP04719274A patent/EP1603406B1/en not_active Expired - Lifetime
- 2004-03-10 WO PCT/US2004/007377 patent/WO2004081193A2/en active Application Filing
- 2004-03-10 EP EP12184429A patent/EP2534961A1/en not_active Withdrawn
- 2004-03-10 US US10/798,226 patent/US20040234649A1/en not_active Abandoned
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- 2004-03-10 BR BRPI0408215A patent/BRPI0408215B1/en active IP Right Grant
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| ES2398216T3 (en) | 2013-03-14 |
| US8497082B2 (en) | 2013-07-30 |
| AU2004219649A1 (en) | 2004-09-23 |
| US7919291B2 (en) | 2011-04-05 |
| BRPI0408215B1 (en) | 2015-11-03 |
| EP1603406A4 (en) | 2010-10-20 |
| BRPI0408215A (en) | 2006-02-14 |
| US20100041116A1 (en) | 2010-02-18 |
| EP1603406B1 (en) | 2012-10-24 |
| US7842484B2 (en) | 2010-11-30 |
| US20110097446A1 (en) | 2011-04-28 |
| US20130309360A1 (en) | 2013-11-21 |
| EP1603406A2 (en) | 2005-12-14 |
| CN102210376A (en) | 2011-10-12 |
| US8679793B2 (en) | 2014-03-25 |
| WO2004081193A3 (en) | 2005-08-04 |
| WO2004081193A2 (en) | 2004-09-23 |
| US8470550B2 (en) | 2013-06-25 |
| EP2534961A1 (en) | 2012-12-19 |
| US20040234649A1 (en) | 2004-11-25 |
| MXPA05009553A (en) | 2006-03-17 |
| US20110070618A1 (en) | 2011-03-24 |
| CN1780560B (en) | 2011-05-25 |
| ZA200507013B (en) | 2007-01-31 |
| CN1780560A (en) | 2006-05-31 |
| CA2517920A1 (en) | 2004-09-23 |
| MX349099B (en) | 2017-07-11 |
| CN102210376B (en) | 2014-12-31 |
| US20070196907A1 (en) | 2007-08-23 |
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