CN107058401A - A kind of method of cornstarch fermenting and producing alcohol - Google Patents
A kind of method of cornstarch fermenting and producing alcohol Download PDFInfo
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- CN107058401A CN107058401A CN201710481166.3A CN201710481166A CN107058401A CN 107058401 A CN107058401 A CN 107058401A CN 201710481166 A CN201710481166 A CN 201710481166A CN 107058401 A CN107058401 A CN 107058401A
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- cornstarch
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- glutinous rice
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- 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
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- 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
- C12P19/00—Preparation of compounds containing saccharide radicals
- C12P19/14—Preparation of compounds containing saccharide radicals produced by the action of a carbohydrase (EC 3.2.x), e.g. by alpha-amylase, e.g. by cellulase, hemicellulase
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- 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
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- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Alcoholic Beverages (AREA)
Abstract
The invention discloses a kind of method of cornstarch fermenting and producing alcohol.Method is acidified by 1) adjusting molasses brix to 45 ° of Bx, pH value to 3.60；2) molasses and cornstarch after being acidified are configured to slurry；3) liquefied fermented glutinous rice is made in slurry addition amylase liquefaction；4) liquefied fermented glutinous rice addition carbohydrase, peace bacterium Thailand, yeast wash carry out anaerobic fermentation, obtain fermenting-ripening wine with dregs；5) ripe mash obtains the alcohol of content more than 99.5% after rectifying.The beneficial effects of the invention are as follows：1. the method for the application present invention carries out cornstarch fermentation, meet nutriment and condition needed for the normal alcoholic fermentation of yeast, solve cornstarch can not normal fermentation production alcohol the problem of.2. the method for the present invention is to carry out alcoholic fermentation using cornstarch, viscosity is substantially reduced, and efficiently solves the problem of causing material difficulty of transportation because mash viscosity is too high in production, while reducing energy consumption.
Description
Technical field
The invention belongs to technical field prepared by ethanol, specifically a kind of method of cornstarch fermenting and producing alcohol.
Background technology
In China, traditional ethanol production materials are the crops such as corn, cassava, paddy rice, but with the quick hair of China's economic
Exhibition, and alcohol industry technology development, raw material problem in short supply becomes increasingly conspicuous, and raw material development in pluralism is imperative.Corn forms sediment
Powder is the deep processed product of corn, because government store up for many years causes corn stock scale unprecedented, and China's starch processing
Industry production capacity is very huge, carries out alcoholic fermentation using cornstarch, on the one hand can solve starch marketing problem, on the other hand may be used
The increasingly alcohol raw material problem of reduction.
But it is due to that pure cornstarch lacks nutriment needed for yeast growth, the spice that directly adds water can not be produced normally
Fermentation, need to open a kind of cornstarch technology of alcohol for sending out effective and feasible.
The content of the invention
It is an object of the invention to provide a kind of method of cornstarch fermenting and producing alcohol.This method is to utilize cane molasses
After dilution acidifying, added to cornstarch, by liquefaction, the method for simultaneous saccharification and fermentation production alcohol, it is ferment to contain in molasses
Mother's growth fermentation required element, nutritive salt etc., it is ensured that cornstarch normal fermentation produces alcohol.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：
A kind of method of cornstarch fermenting and producing alcohol, is the basis based on starchy material alcoholic fermentation, but due to
Lack the required nutrient of yeast growth fermentation in pure cornstarch, exclusive use cornstarch directly adds water spice can not be just
Often carry out alcoholic fermentation, the nutriment that addition cane molasses ferment as yeast growth, you can obtain new cornstarch wine
Smart fermentation process.
A kind of method of cornstarch fermenting and producing alcohol, is to mix to send out as primary raw material using cornstarch and cane molasses
Ferment generates alcohol, and concrete operation step is as follows：
1. by sugared 80~85 ° of Bx of brix cane molasses distilled water diluting to 45 ° of Bx, adjusted with the sulfuric acid of mass concentration 65%
PH value is saved to 3.60, static acidifying 30min.
2. 1%~10% cane molasses of addition, 20u/g~30u/g corns in content of starch is 99.0% cornstarch
The amylase and water of starch carry out spice and sized mixing, and obtain containing the powder that solid content is 18%~22%, pH=5.40~5.60
Slurry.
3. the slurry of upper step is liquefied through temperature for 105 DEG C~115 DEG C steam injections, liquid is incubated subsequently into liquefied pot
Change 1.0h~2.0h, temperature is 85 DEG C~87 DEG C, and liquefaction end obtains liquefied fermented glutinous rice and is down to 55 DEG C~65 DEG C through flash cooled temperature,
Then carried out being cooled to 32 DEG C with cooling water, with sulphur acid for adjusting pH value to 4.30~4.50.
4. the liquefied fermented glutinous rice of upper step is delivered to fermentation tank, while adding the saccharification of 140u/g~180u/g cornstarch
Enzyme, 5ppm peace bacterium are safe, the yeast wash of 20%~30% liquefied fermented glutinous rice, start stirring, 32 DEG C of ± 0.5 DEG C of progress anaerobism hairs of temperature control
Ferment, fermentation time 60h~70h, obtains fermenting-ripening wine with dregs.
5. by the ripe mash of upper step through thick tower, water extraction tower, rectifying column, eparating methanol tower, containing miscellaneous cut treating column after
Obtain the alcohol of content more than 99.5%.
The beneficial effects of the invention are as follows：
1. the method for the application present invention carries out cornstarch fermentation, the nutrients needed for the normal alcoholic fermentation of yeast is met
Matter and condition, solve cornstarch can not normal fermentation production alcohol the problem of.
2. the method for the present invention is to carry out alcoholic fermentation using cornstarch, viscosity is substantially reduced, and efficiently solves production
It is middle the problem of cause material difficulty of transportation because mash viscosity is too high, while reducing energy consumption.
Above effect prepares alcohol technology category in full amylofermentation and initiated, and solving cornstarch can not with a water spice
The problem of normal fermentation, while also solving pipeline material conveying problem, effectively reduce energy consumption.
Embodiment
With reference to embodiment, the invention will be further described.
Embodiment 1
A kind of method of cornstarch fermenting and producing alcohol, is to mix to send out as primary raw material using cornstarch and cane molasses
Ferment generates alcohol, and concrete operation step is as follows：
1. by sugared 80~85 ° of Bx of brix cane molasses distilled water diluting to 45 ° of Bx, adjusted with the sulfuric acid of mass concentration 65%
PH value is saved to 3.60, static acidifying 30min.
2. the amylase of 1% cane molasses, 20u/g cornstarch is added in content of starch is 99.0% cornstarch
Spice is carried out with water to size mixing, and is obtained containing the slurry that solid content is 22%, pH=5.40.
3. the slurry of upper step is liquefied through temperature for 105 DEG C~115 DEG C steam injections, liquid is incubated subsequently into liquefied pot
Change 1.5h, temperature be 85 DEG C~87 DEG C, liquefaction end obtain liquefied fermented glutinous rice through flash cooled temperature be down to 55 DEG C~65 DEG C, Ran Houyong
Cooling water carries out being cooled to 32 DEG C, with sulphur acid for adjusting pH value to 4.30.
4. the liquefied fermented glutinous rice of upper step is delivered to fermentation tank, while adding the carbohydrase of 140u/g cornstarch, 5ppm peaces
Bacterium is safe, the yeast wash of 20% liquefied fermented glutinous rice, starts and stirs, 32 DEG C of ± 0.5 DEG C of progress anaerobic fermentations of temperature control, fermentation time 70h,
Obtain fermenting-ripening wine with dregs.
5) by the ripe mash of upper step through thick tower, water extraction tower, rectifying column, eparating methanol tower, containing miscellaneous cut treating column after
Obtain the alcohol of content more than 99.5%.
Embodiment 2
A kind of method of cornstarch fermenting and producing alcohol, is to mix to send out as primary raw material using cornstarch and cane molasses
Ferment generates alcohol, and concrete operation step is as follows：
1. by sugared 80~85 ° of Bx of brix cane molasses distilled water diluting to 45 ° of Bx, adjusted with the sulfuric acid of mass concentration 65%
PH value is saved to 3.60, static acidifying 30min.
2. content of starch be 99.0% cornstarch in add 5% cane molasses, the amylase of 25u/g cornstarch and
Water carries out spice and sized mixing, and obtains containing the slurry that solid content is 20%, pH=5.60.
3. the slurry of upper step is liquefied through temperature for 105 DEG C~115 DEG C steam injections, liquid is incubated subsequently into liquefied pot
Change 1.0h, temperature be 85 DEG C~87 DEG C, liquefaction end obtain liquefied fermented glutinous rice through flash cooled temperature be down to 55 DEG C~65 DEG C, Ran Houyong
Cooling water carries out being cooled to 32 DEG C, with sulphur acid for adjusting pH value to 4.40.
4. the liquefied fermented glutinous rice of upper step is delivered to fermentation tank, while adding the carbohydrase of 160u/g cornstarch, 5ppm peaces
Bacterium is safe, the yeast wash of 25% liquefied fermented glutinous rice, starts and stirs, 32 DEG C of ± 0.5 DEG C of progress anaerobic fermentations of temperature control, fermentation time 60h,
Obtain fermenting-ripening wine with dregs.
5) by the ripe mash of upper step through thick tower, water extraction tower, rectifying column, eparating methanol tower, containing miscellaneous cut treating column after
Obtain the alcohol of content more than 99.5%.
Embodiment 3
A kind of method of cornstarch fermenting and producing alcohol, is to mix to send out as primary raw material using cornstarch and cane molasses
Ferment generates alcohol, and concrete operation step is as follows：
1. by sugared 80~85 ° of Bx of brix cane molasses distilled water diluting to 45 ° of Bx, adjusted with the sulfuric acid of mass concentration 65%
PH value is saved to 3.60, static acidifying 30min.
2. the amylase of 10% cane molasses, 30u/g cornstarch is added in content of starch is 99.0% cornstarch
Spice is carried out with water to size mixing, and is obtained containing the slurry that solid content is 18%, pH=5.50.
3. the slurry of upper step is liquefied through temperature for 105 DEG C~115 DEG C steam injections, liquid is incubated subsequently into liquefied pot
Change 2.0h, temperature be 85 DEG C~87 DEG C, liquefaction end obtain liquefied fermented glutinous rice through flash cooled temperature be down to 55 DEG C~65 DEG C, Ran Houyong
Cooling water carries out being cooled to 32 DEG C, with sulphur acid for adjusting pH value to 4.50.
4. the liquefied fermented glutinous rice of upper step is delivered to fermentation tank, while adding the carbohydrase of 180u/g cornstarch, 5ppm peaces
Bacterium is safe, the yeast wash of 30% liquefied fermented glutinous rice, starts and stirs, 32 DEG C of ± 0.5 DEG C of progress anaerobic fermentations of temperature control, fermentation time 65h,
Obtain fermenting-ripening wine with dregs.
5) by the ripe mash of upper step through thick tower, water extraction tower, rectifying column, eparating methanol tower, containing miscellaneous cut treating column after
Obtain the alcohol of content more than 99.5%.
Claims (1)
1. a kind of method of cornstarch fermenting and producing alcohol, is using cornstarch and cane molasses as primary raw material mixed fermentation
Alcohol is generated, concrete operation step is as follows：
1) by sugared 80~85 ° of Bx of brix cane molasses distilled water diluting to 45 ° of Bx, with the sulphur acid for adjusting pH of mass concentration 65%
Value is to 3.60, static acidifying 30min；
2) 1%~10% cane molasses of addition, 20u/g~30u/g cornstarch in content of starch is 99.0% cornstarch
Amylase and water carry out spice and size mixing, it is 18%~22%, slurry of pH=5.40~5.60 to obtain containing solid content；
3) it is that 105 DEG C~115 DEG C steam injections are liquefied through temperature by the slurry of upper step, is incubated and liquefies subsequently into liquefied pot
1.0h~2.0h, temperature is 85 DEG C~87 DEG C, and liquefaction end obtains liquefied fermented glutinous rice and is down to 55 DEG C~65 DEG C through flash cooled temperature, so
Carried out being cooled to 32 DEG C with cooling water afterwards, with sulphur acid for adjusting pH value to 4.30~4.50；
4) liquefied fermented glutinous rice of upper step is delivered to fermentation tank, while the carbohydrase of addition 140u/g~180u/g cornstarch,
5ppm peace bacterium are safe, the yeast wash of 20%~30% liquefied fermented glutinous rice, start stirring, and 32 DEG C ± 0.5 DEG C of temperature control carries out anaerobic fermentations,
Fermentation time 60h~70h, obtains fermenting-ripening wine with dregs；
5) by the ripe mash of upper step through thick tower, water extraction tower, rectifying column, eparating methanol tower, containing being obtained after miscellaneous cut treating column
The alcohol of content more than 99.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710481166.3A CN107058401A (en) | 2017-06-22 | 2017-06-22 | A kind of method of cornstarch fermenting and producing alcohol |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710481166.3A CN107058401A (en) | 2017-06-22 | 2017-06-22 | A kind of method of cornstarch fermenting and producing alcohol |
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| CN107058401A true CN107058401A (en) | 2017-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710481166.3A Pending CN107058401A (en) | 2017-06-22 | 2017-06-22 | A kind of method of cornstarch fermenting and producing alcohol |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107988273A (en) * | 2017-11-29 | 2018-05-04 | 广西中粮生物质能源有限公司 | A kind of method for controlling rice liquefaction DE values |
| CN109234322A (en) * | 2018-09-25 | 2019-01-18 | 广西中粮生物质能源有限公司 | A kind of method that high-salt wastewater is used for Rice Powder alcohol prepared by fermenting |
| CN109266563A (en) * | 2018-09-28 | 2019-01-25 | 广西中粮生物质能源有限公司 | A kind of method that full Rice Production prepares distiller's yeast |
| CN114277063A (en) * | 2021-12-31 | 2022-04-05 | 宿州中粮生物化学有限公司 | Method for producing alcohol by using corn starch as raw material |
-
2017
- 2017-06-22 CN CN201710481166.3A patent/CN107058401A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107988273A (en) * | 2017-11-29 | 2018-05-04 | 广西中粮生物质能源有限公司 | A kind of method for controlling rice liquefaction DE values |
| CN109234322A (en) * | 2018-09-25 | 2019-01-18 | 广西中粮生物质能源有限公司 | A kind of method that high-salt wastewater is used for Rice Powder alcohol prepared by fermenting |
| CN109266563A (en) * | 2018-09-28 | 2019-01-25 | 广西中粮生物质能源有限公司 | A kind of method that full Rice Production prepares distiller's yeast |
| CN114277063A (en) * | 2021-12-31 | 2022-04-05 | 宿州中粮生物化学有限公司 | Method for producing alcohol by using corn starch as raw material |
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Application publication date: 20170818 |