CN102994568A - Method for producing alcohol by molasses - Google Patents
Method for producing alcohol by molasses Download PDFInfo
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- CN102994568A CN102994568A CN2012105314237A CN201210531423A CN102994568A CN 102994568 A CN102994568 A CN 102994568A CN 2012105314237 A CN2012105314237 A CN 2012105314237A CN 201210531423 A CN201210531423 A CN 201210531423A CN 102994568 A CN102994568 A CN 102994568A
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- molasses
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- alcohol
- yeast
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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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Abstract
The invention discloses a method for producing alcohol by molasses, which comprises the following steps: (1) diluting molasses for the first time; (2) preparing an enzyme preparation; (3) adding the enzyme preparation prepared in step (2) into the diluted molasses in step (1), mixing to prepare a molasses solution containing the enzyme preparation; (4) diluting the molasses solution in step (3) with water to obtain a brix of 38 BX-46 BX; (5) preparing distiller's yeast mash; (6) performing mixed fermentation of the diluted molasses solution prepared in step (4) and the distiller's yeast mash prepared in step (5) to obtain matured mash; (7) distilling the matured mash to obtain alcohol. By adding the enzyme preparation during the fermentation process, the method for producing alcohol by molasses of the invention saves production cost, increases the liquor content of the fermented matured mash, reduces the residual sugar content of the matured mash, reduces the difficulties for alcohol distillation and waste water treatment, is safer in operation when compared with traditional methods with sulfuric acid addition, and reaches the purposes of energy saving, emission reduction, and consumption reduction.
Description
Technical field
The present invention relates to a kind of production method of alcohol, relate in particular to a kind of method of alcohol produced from molasses.
Background technology
Present domestic Alcohol Production traditional zymotic technique take molasses as raw material, in the distillery yeast fermenting process, all needing adopt to add sulfuric acid is reduced to fermentation liquid 3.4-3.8 or adds the anti-microbial type medicines such as the spirit of gram bacterium, penicillin and suppress varied bacteria growing from PH4.8, make the suitable growth and breeding of yeast in the fermenting process, the sugar part in the molasses is taken full advantage of change into ethanol (alcohol).It is antibacterial to adopt acid adding to turn down pH, and not only fungistatic effect is not thorough, affects zymamsis, and because additional sulfuric acid, equipment corrosion is serious, has increased treatment capacity and intractability also for the molasses sewage disposal.Now press down sour zymin by in molasses fermented process, adding, both reached the purpose of not using sulfuric acid and adding gram bacterium spirit or penicillin, realize that again alcohol normally ferments, not only reduce residual sugar part and production cost in the zymamsis, improve again fermentation efficiency.This zymin belongs to protein-based, and is nontoxic, and easily hydrolysis is easily absorbed by yeast after the decomposition in molasses liquid.The application of present domestic zymin is confined to reduce fermentation residual sugar part.So this technology belongs to the novel modern technique of alcohol industry, has a extensive future, economical effectiveness is obvious.
Summary of the invention
The method that the purpose of this invention is to provide a kind of alcohol produced from molasses is added zymin in the molasses alcohol fermentation production process and is realized without acid-fermentation.The present invention mainly replaces in the past the mode of additional sulfuric acid to carry out molasses alcohol fermentation by the mode of adding antibacterial zymin.
The present invention is achieved by the following technical programs:
A kind of method of alcohol produced from molasses is characterized in that it comprises the steps:
(1) dilutes molasses for the first time, at first prepare former molasses and nutritive salt, then nutritive salt is added in the former molasses, add again entry dilution molasses to sugar hammer degree 58BX ~ 62BX;
(2) the preparation zymin is at first measured 30L water, adds former molasses in water, makes the molasses solution of sugar hammer degree 40BX, again zymin is put into molasses solution and mixed to obtain enzymes soln;
(3) in the dilution molasses of step (1), add the zymin that step (2) makes and mix mutually the molasses solution that makes enzyme-containing formulation;
(4) the middle molasses solution of thin up step (3) is 38BX ~ 46BX to sugar hammer degree again;
(5) preparation of yeast wash, first molasses dilutions being added water to sugar hammer degree is 18BX ~ 26BX, then accesses yeast starter, is 25 ℃ ~ 32 ℃ condition bottom fermentation 10 hours ~ 12 hours in temperature, makes yeast wash;
(6) the yeast wash mixed fermentation that the rare liquid glucose that step (4) is made and step (5) make, leavening temperature are controlled at 30 ℃ ~ 35 ℃, when the ethanol content in the karusen 〉=8%, can stop fermentation, namely obtain ripe wine with dregs;
(7) ripe wine with dregs is distilled processing and obtain alcohol.
Described zymin comprises amylase, saccharifying enzyme, a kind of or arbitrary combination in proteolytic enzyme and the polygalacturonase;
Described zymin add-on is 0.001% ~ 0.003% of molasses weight;
Described zymin is matching while using;
Described zymin will be used separately.
Described molasses are cane molasses.
Described nutritive salt comprises nitrogenous source, magnesium salts and growth hormone.
Described nitrogenous source comprises ammonium sulfate, urea, and a kind of or arbitrary combination in yeast autolyzate and the wheat bran, add-on are 0.05% ~ 0.15% of molasses gross weight; Described magnesium salts comprises sal epsom, and a kind of or arbitrary combination in magnesium chloride and the magnesium nitrate, add-on are 0.03% ~ 0.06% of molasses gross weight.
Described water is distilled water.
Beneficial effect of the present invention is:
(1) need not to add again the fungistats such as sulfuric acid and the spirit of gram bacterium, cost-saved about 41.17 yuan of ton alcohol; By traditional molasses sulfuric acid zymotechnique, ton alcohol is on average with the about 40kg of sulfuric acid amount, and the molasses-spirit station-service sulfuric acid amount of producing 50000 tons per year is about: 2000 tons; Now use zymin anacidity fermentation technique, produce the enzyme amount that 50,000 tons alcohol output uses per year and only have an appointment 4.4 tons, year reduce 1995.6 tons of blowdown flow rates, not only reduce the difficulty of later stage environmental protection treatment sulfate ion, also greatly reduce blowdown flow rate, effects of energy saving and emission reduction is obvious.
(2) use the method for alcohol produced from molasses of the present invention need not add sulfuric acid, the pH of fermentation liquid remains on 4.8 substantially, and acidity weakens, and promotes yeast growth, and yeast number increases, and the dry yeast consumption reduces half, can save 3.6 yuan of ton alcohol costs approximately; (3) adopt zymin anacidity fermentation technique, fermenting-ripening wine with dregs acidity and pH value are improved, process the amount of caustic soda of regulating PH for alcohol distillation and environment-protection wastewater and reduce half, ton alcohol cost can be saved about 16.4 yuan;
(4) adopt the method for alcohol produced from molasses of the present invention can improve the alcohol final product quality, stably manufactured can improve about 3% Alcohol Production efficient;
(5) adopt the method fermentative production of alcohol produced from molasses of the present invention after, the alcohol waste water pH value improves, the corrosion failure degree of equipment corrosion destructiveness when adding sulfuric acid reduces a lot, a ton alcohol production facility recondition expense can reduce 10 yuan;
(6) zymin ton alcohol only need drop into about 50 yuan.Cost statistics to sum up, the method of alcohol produced from molasses of the present invention is than traditional acid adding fermentation technique, and ton alcohol can reduce about 21.17 yuan production cost, by producing 50000 tons of Ebullioscopes per year, not only year can save production cost: ten thousand yuan of 21.17*50000=105.8 reach again the effect that energy-saving and emission-reduction lower consumption.
Use the method for alcohol produced from molasses of the present invention, in alcohol production process, it is antibacterial to add sulfuric acid, the spirit of gram bacterium, penicillin etc.Not only save production cost, and can improve fermenting-ripening wine with dregs quality, reduced alcohol distillation and wastewater treatment difficulty, also safer in the operation, reach purpose energy-conservation, that reduce discharging, lower consumption.
Embodiment
The present invention is described in further detail below in conjunction with embodiment, but embodiments of the present invention are not limited to the scope that embodiment represents.
Embodiment 1
A kind of method of alcohol produced from molasses is characterized in that it comprises the steps:
(1) dilutes molasses for the first time, at first prepare former molasses and nutritive salt, then nutritive salt is added in the former molasses, add again entry dilution molasses to sugar hammer degree 58BX;
(2) the preparation zymin is at first measured 30L water, adds former molasses in water, makes the molasses solution of sugar hammer degree 40BX, again zymin is put into molasses solution and mixed to obtain enzymes soln;
(3) in the dilution molasses of step (1), add the zymin that step (2) makes and mix mutually the molasses solution that makes enzyme-containing formulation;
(4) the middle molasses solution of thin up step (3) is 38BX to sugar hammer degree again;
(5) preparation of yeast wash, first molasses dilutions being added water to sugar hammer degree is 18BX, then accesses yeast starter, is 25 ℃ condition bottom fermentation 10 hours in temperature, makes yeast wash;
(6) the yeast wash mixed fermentation that the rare liquid glucose that step (4) is made and step (5) make, leavening temperature is controlled at 30 ℃, when the ethanol content 8% in the karusen, can stop fermentation, namely obtains ripe wine with dregs;
(7) ripe wine with dregs is distilled processing and obtain alcohol.
Described zymin comprises amylase, saccharifying enzyme, a kind of or arbitrary combination in proteolytic enzyme and the polygalacturonase;
Described zymin add-on is 0.001% of molasses weight;
Described zymin is matching while using;
Described zymin will be used separately.
Described molasses are cane molasses.
Described nutritive salt comprises nitrogenous source, magnesium salts and growth hormone.
Described nitrogenous source comprises ammonium sulfate, urea, and a kind of or arbitrary combination in yeast autolyzate and the wheat bran, add-on are 0.05% of molasses gross weight; Described magnesium salts comprises sal epsom, and a kind of or arbitrary combination in magnesium chloride and the magnesium nitrate, add-on are 0.03% of molasses gross weight.
Described water is distilled water.
Embodiment 2
A kind of method of alcohol produced from molasses is characterized in that it comprises the steps:
(1) dilutes molasses for the first time, at first prepare former molasses and nutritive salt, then nutritive salt is added in the former molasses, add again entry dilution molasses to sugar hammer degree 60BX;
(2) the preparation zymin is at first measured 30L water, adds former molasses in water, makes the molasses solution of sugar hammer degree 40BX, again zymin is put into molasses solution and mixed to obtain enzymes soln;
(3) in the dilution molasses of step (1), add the zymin that step (2) makes and mix mutually the molasses solution that makes enzyme-containing formulation;
(4) the middle molasses solution of thin up step (3) is 42BX to sugar hammer degree again;
(5) preparation of yeast wash, first molasses dilutions being added water to sugar hammer degree is 22BX, then accesses yeast starter, is 29 ℃ condition bottom fermentation 11 hours in temperature, makes yeast wash;
(6) the yeast wash mixed fermentation that the rare liquid glucose that step (4) is made and step (5) make, leavening temperature is controlled at 32 ℃, when the ethanol content 10% in the karusen, can stop fermentation, namely obtains ripe wine with dregs;
(7) ripe wine with dregs is distilled processing and obtain alcohol.
Described zymin comprises amylase, saccharifying enzyme, a kind of or arbitrary combination in proteolytic enzyme and the polygalacturonase;
Described zymin add-on is 0.002% of molasses weight;
Described zymin is matching while using;
Described zymin will be used separately.
Described molasses are cane molasses.
Described nutritive salt comprises nitrogenous source, magnesium salts and growth hormone.
Described nitrogenous source comprises ammonium sulfate, urea, and a kind of or arbitrary combination in yeast autolyzate and the wheat bran, add-on are 0.1% of molasses gross weight; Described magnesium salts comprises sal epsom, and a kind of or arbitrary combination in magnesium chloride and the magnesium nitrate, add-on are 0.05% of molasses gross weight.
Described water is distilled water.
Embodiment 3
A kind of method of alcohol produced from molasses is characterized in that it comprises the steps:
(1) dilutes molasses for the first time, at first prepare former molasses and nutritive salt, then nutritive salt is added in the former molasses, add again entry dilution molasses to sugar hammer degree 62BX;
(2) the preparation zymin is at first measured 30L water, adds former molasses in water, makes the molasses solution of sugar hammer degree 40BX, again zymin is put into molasses solution and mixed to obtain enzymes soln;
(3) in the dilution molasses of step (1), add the zymin that step (2) makes and mix mutually the molasses solution that makes enzyme-containing formulation;
(4) the middle molasses solution of thin up step (3) is 46BX to sugar hammer degree again;
(5) preparation of yeast wash, first molasses dilutions being added water to sugar hammer degree is 26BX, then accesses yeast starter, is 32 ℃ condition bottom fermentation 12 hours in temperature, makes yeast wash;
(6) the yeast wash mixed fermentation that the rare liquid glucose that step (4) is made and step (5) make, leavening temperature is controlled at 35 ℃, when the ethanol content 11% in the karusen, can stop fermentation, namely obtains ripe wine with dregs;
(7) ripe wine with dregs is distilled processing and obtain alcohol.
Described zymin comprises amylase, saccharifying enzyme, a kind of or arbitrary combination in proteolytic enzyme and the polygalacturonase;
Described zymin add-on is 0.003% of molasses weight;
Described zymin is matching while using;
Described zymin will be used separately.
Described molasses are cane molasses.
Described nutritive salt comprises nitrogenous source, magnesium salts and growth hormone.
Described nitrogenous source comprises ammonium sulfate, urea, and a kind of or arbitrary combination in yeast autolyzate and the wheat bran, add-on are 0.15% of molasses gross weight; Described magnesium salts comprises sal epsom, and a kind of or arbitrary combination in magnesium chloride and the magnesium nitrate, add-on are 0.06% of molasses gross weight.
Described water is distilled water.
Although embodiment of the present invention are open as above, but it is not restricted to listed utilization in specification sheets and the embodiment, it can be applied to various suitable the field of the invention fully, for those skilled in the art, can easily realize other modification, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and shown here embodiment.
Claims (6)
1. the method for an alcohol produced from molasses is characterized in that, it comprises the steps:
(1) dilutes molasses for the first time, at first prepare former molasses and nutritive salt, then nutritive salt is added in the former molasses, add again entry dilution molasses to sugar hammer degree 58BX ~ 62BX;
(2) the preparation zymin is at first measured 30L water, adds former molasses in water, makes the molasses solution of sugar hammer degree 40BX, again zymin is put into molasses solution and mixed to obtain enzymes soln;
(3) in the dilution molasses of step (1), add the zymin that step (2) makes and mix mutually the molasses solution that makes enzyme-containing formulation;
(4) the middle molasses solution of thin up step (3) is 38BX ~ 46BX to sugar hammer degree again;
(5) preparation of yeast wash, first molasses dilutions being added water to sugar hammer degree is 18BX ~ 26BX, then accesses yeast starter, is 25 ℃ ~ 32 ℃ condition bottom fermentation 10 hours ~ 12 hours in temperature, makes yeast wash;
(6) the yeast wash mixed fermentation that the rare liquid glucose that step (4) is made and step (5) make, leavening temperature are controlled at 30 ℃ ~ 35 ℃, when the ethanol content in the karusen 〉=8%, can stop fermentation, namely obtain ripe wine with dregs;
(7) ripe wine with dregs is distilled processing and obtain alcohol.
2. the method for alcohol produced from molasses according to claim 1 is characterized in that, described zymin comprises amylase, saccharifying enzyme, a kind of or arbitrary combination in proteolytic enzyme and the polygalacturonase;
Described zymin add-on is 0.001% ~ 0.003% of molasses weight;
Described zymin is matching while using;
Described zymin will be used separately.
3. the method for alcohol produced from molasses according to claim 1 is characterized in that, described molasses are cane molasses.
4. the method for alcohol produced from molasses according to claim 1 is characterized in that, described nutritive salt comprises nitrogenous source, magnesium salts and growth hormone.
5. the method for alcohol produced from molasses according to claim 4 is characterized in that, described nitrogenous source comprises ammonium sulfate, urea, and a kind of or arbitrary combination in yeast autolyzate and the wheat bran, add-on are 0.05% ~ 0.15% of molasses gross weight; Described magnesium salts comprises sal epsom, and a kind of or arbitrary combination in magnesium chloride and the magnesium nitrate, add-on are 0.03% ~ 0.06% of molasses gross weight.
6. the method for described alcohol produced from molasses is characterized in that according to claim 1-5, and described water is distilled water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012105314237A CN102994568A (en) | 2012-12-11 | 2012-12-11 | Method for producing alcohol by molasses |
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| CN2012105314237A CN102994568A (en) | 2012-12-11 | 2012-12-11 | Method for producing alcohol by molasses |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104109695A (en) * | 2014-08-06 | 2014-10-22 | 梁利 | Method for producing alcohol through solid fermentation on mixed waste molasses containing cellulose substances |
| CN105400828A (en) * | 2015-11-24 | 2016-03-16 | 广西罗城科潮基业科技发展有限公司 | Method for preparing ethyl alcohol through cane molasses |
| CN105861568A (en) * | 2016-06-17 | 2016-08-17 | 广州甘蔗糖业研究所 | Method for fermenting alcohol by using molasses without additional acid |
| CN107400684A (en) * | 2016-05-18 | 2017-11-28 | 苏州昆蓝生物科技有限公司 | A kind of production technology of molasses-spirit |
| CN108642094A (en) * | 2018-08-17 | 2018-10-12 | 广东省生物工程研究所（广州甘蔗糖业研究所） | A kind of method of the antibacterial molasses alcohol fermentation of biology |
| CN110699385A (en) * | 2019-11-25 | 2020-01-17 | 金玖洲新能源有限公司 | Method for extracting alcohol by using sugarcane |
| CN110804630A (en) * | 2019-11-25 | 2020-02-18 | 金玖洲新能源有限公司 | Alcohol extraction process of beet |
Citations (1)
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|---|---|---|---|---|
| CN1326002A (en) * | 2000-05-25 | 2001-12-12 | 马赞华 | Process for preparing alcohol from malasses as raw material |
-
2012
- 2012-12-11 CN CN2012105314237A patent/CN102994568A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1326002A (en) * | 2000-05-25 | 2001-12-12 | 马赞华 | Process for preparing alcohol from malasses as raw material |
Non-Patent Citations (1)
| Title |
|---|
| 段钢: "糖蜜酒精生产中酶制剂的应用", 《酿酒》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104109695A (en) * | 2014-08-06 | 2014-10-22 | 梁利 | Method for producing alcohol through solid fermentation on mixed waste molasses containing cellulose substances |
| CN105400828A (en) * | 2015-11-24 | 2016-03-16 | 广西罗城科潮基业科技发展有限公司 | Method for preparing ethyl alcohol through cane molasses |
| CN107400684A (en) * | 2016-05-18 | 2017-11-28 | 苏州昆蓝生物科技有限公司 | A kind of production technology of molasses-spirit |
| CN105861568A (en) * | 2016-06-17 | 2016-08-17 | 广州甘蔗糖业研究所 | Method for fermenting alcohol by using molasses without additional acid |
| CN108642094A (en) * | 2018-08-17 | 2018-10-12 | 广东省生物工程研究所（广州甘蔗糖业研究所） | A kind of method of the antibacterial molasses alcohol fermentation of biology |
| CN108642094B (en) * | 2018-08-17 | 2024-03-12 | 广东省生物工程研究所（广州甘蔗糖业研究所） | Biological antibacterial molasses alcohol fermentation method |
| CN110699385A (en) * | 2019-11-25 | 2020-01-17 | 金玖洲新能源有限公司 | Method for extracting alcohol by using sugarcane |
| CN110804630A (en) * | 2019-11-25 | 2020-02-18 | 金玖洲新能源有限公司 | Alcohol extraction process of beet |
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Application publication date: 20130327 |