CN110804631A - Alcohol extraction process using cellulose as raw material - Google Patents
Alcohol extraction process using cellulose as raw material Download PDFInfo
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- CN110804631A CN110804631A CN201911162018.0A CN201911162018A CN110804631A CN 110804631 A CN110804631 A CN 110804631A CN 201911162018 A CN201911162018 A CN 201911162018A CN 110804631 A CN110804631 A CN 110804631A
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- raw material
- extraction process
- aspergillus
- cellulose
- alcohol extraction
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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
- C12P7/08—Ethanol, i.e. non-beverage produced as by-product or from waste or cellulosic material substrate
- C12P7/10—Ethanol, i.e. non-beverage produced as by-product or from waste or cellulosic material substrate substrate containing cellulosic material
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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 an alcohol extraction process taking cellulose as a raw material, which relates to the technical field of energy extraction, in particular to an alcohol extraction process taking cellulose as a raw material, wherein crop straws and bagasse are used as main raw materials to produce alcohol, so that the production cost is effectively reduced, and the problem of shortage of grain resources is avoided; according to the invention, aspergillus is saccharified, and amylase of aspergillus is used for saccharification to generate fermentable sugar for yeast to utilize, wherein the aspergillus belongs to aerobic microorganisms, so that sufficient air is obtained in the processes of propagation and growth; the invention firstly crushes crop straws by a secondary crusher, and then crushes the straws by a primary crusher after bagasse is added, so as to obtain the powder raw material, which aims to increase the heating area of the raw material, be beneficial to leading starch granules contained in raw material cells to be capable of dissociating from the cells, fully absorb water to expand, gelatinize and even dissolve.
Description
Technical Field
The invention relates to the technical field of energy extraction, in particular to an alcohol extraction process taking cellulose as a raw material.
Background
Ethanol has been widely used as a main raw material for producing industrial alcohol, edible alcohol, medical alcohol, wine and the like. In recent years, the energy-saving device has also been actively applied to the aspect of replacing traditional energy sources such as oil, gas, coal and the like as clean energy sources. However, the production technology of ethanol mainly stays in fermentation production by using grain crops as main raw materials, grain consumed by 1 kg of high-purity ethanol (alcohol) produced by wheat, corn, sorghum and potatoes is more than 5 kg, and the cost for producing 1 ton of 95-degree common alcohol is 4000 yuan. The alcohol produced by the traditional technology consumes a large amount of grains, is easy to cause grain shortage when being used as alternative energy, and is difficult to effectively popularize and apply due to high cost.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an alcohol extraction process taking cellulose as a raw material, which solves the problems that the grain shortage is easily caused, the cost is increased, and the effective popularization and application are difficult to obtain in the conventional mode of fermenting and producing by taking grain crops as main raw materials.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: an alcohol extraction process using cellulose as a raw material comprises the following steps:
s001: preparing materials, namely crop straws and bagasse;
s002: crushing the raw materials, namely crushing crop straws by using a secondary crusher, and then adding bagasse for primary crushing;
s003: cooking for gelatinization, namely putting the crushed raw material S002 into a cooking pot for cooking;
s004: saccharifying aspergillus;
s005: fermenting with yeast;
s006: and (5) distillation and purification.
The S003: the cooking temperature in the cooking gelatinization is 260-300 ℃, and the cooking time is 30-32 hours.
The step S004: saccharifying Aspergillus, adding Aspergillus into the gelatinized raw material after S003 cooking, and saccharifying by amylase of Aspergillus to generate fermentable sugar for yeast.
And adding sulfuric acid and sodium hydroxide after saccharifying the S004 aspergillus for acid-base hydrolysis.
The step S005: and (3) yeast fermentation, namely putting the saccharified raw material of the S004 aspergillus into a fermentation tank, and adding yeast wine for fermentation.
The yeast cell liquor added during the fermentation of the S005 yeast is controlled to be 1-1.2 hundred million/mL; the alcohol content of the yeast is controlled to be 3-3.5% V/V, and the culture temperature of the fermentation tank is controlled to be 33-36 ℃.
The S006: and (4) distillation purification, namely adopting a four-distillation tower to perform distillation purification.
(III) advantageous effects
The invention provides an alcohol extraction process using cellulose as a raw material. The method has the following beneficial effects:
1. according to the invention, the crop straws and bagasse are used as main raw materials to produce alcohol, so that the production cost is effectively reduced, and the problem of shortage of grain resources is avoided;
2. according to the invention, aspergillus is saccharified, and amylase of aspergillus is used for saccharification to generate fermentable sugar for yeast to utilize, wherein the aspergillus belongs to aerobic microorganisms, so that sufficient air is obtained in the processes of propagation and growth;
3. the invention firstly crushes crop straws by a secondary crusher, and then crushes the straws by a primary crusher after bagasse is added, so as to obtain the powder raw material, which aims to increase the heating area of the raw material, be beneficial to leading starch granules contained in raw material cells to be capable of dissociating from the cells, fully absorb water to expand, gelatinize and even dissolve.
Drawings
FIG. 1 is a schematic flow diagram of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present invention provides a technical solution: an alcohol extraction process using cellulose as a raw material comprises the following steps:
s001: preparing materials, namely crop straws and bagasse;
s002: crushing the raw materials, namely crushing crop straws by using a secondary crusher, and then adding bagasse for primary crushing;
s003: cooking for gelatinization, namely putting the crushed raw material S002 into a cooking pot for cooking;
s004: saccharifying aspergillus;
s005: fermenting with yeast;
s006: and (5) distillation and purification.
The S003: the cooking temperature in the cooking gelatinization is 260-300 ℃, and the cooking time is 30-32 hours.
The step S004: saccharifying Aspergillus, adding Aspergillus into the gelatinized raw material after S003 cooking, and saccharifying by amylase of Aspergillus to generate fermentable sugar for yeast.
And adding sulfuric acid and sodium hydroxide after saccharifying the S004 aspergillus for acid-base hydrolysis.
The step S005: and (3) yeast fermentation, namely putting the saccharified raw material of the S004 aspergillus into a fermentation tank, and adding yeast wine for fermentation.
The yeast cell liquor added during the fermentation of the S005 yeast is controlled to be 1-1.2 hundred million/mL; the alcohol content of the yeast is controlled to be 3-3.5% V/V, and the culture temperature of the fermentation tank is controlled to be 33-36 ℃.
The S006: and (4) distillation purification, namely adopting a four-distillation tower to perform distillation purification.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An alcohol extraction process taking cellulose as a raw material is characterized in that: the alcohol extraction process with cellulose as raw material comprises the following steps:
step 1: preparing materials, namely crop straws and bagasse;
step 2: crushing the raw materials, namely crushing crop straws by using a secondary crusher, and then adding bagasse for primary crushing;
and step 3: cooking for gelatinization, namely putting the raw materials crushed in the step 2 into a cooking pot for cooking;
and 4, step 4: saccharifying aspergillus;
and 5: fermenting with yeast;
step 6: and (5) distillation and purification.
2. The alcohol extraction process using cellulose as raw material according to claim 1, wherein: the step 3: the cooking temperature in the cooking gelatinization is 260-300 ℃, and the cooking time is 30-32 hours.
3. The alcohol extraction process using cellulose as raw material according to claim 2, wherein: the step 4: and (3) saccharifying aspergillus, namely adding aspergillus into the raw materials cooked and gelatinized in the step (3), and performing saccharification through amylase of the aspergillus to generate fermentable sugar for yeast to utilize.
4. The alcohol extraction process using cellulose as raw material according to claim 1, wherein: and 4, adding sulfuric acid and sodium hydroxide after aspergillus saccharification for acid-base hydrolysis.
5. The alcohol extraction process using cellulose as raw material according to claim 1, wherein: the step 5: and (4) yeast fermentation, namely putting the raw materials saccharified by the aspergillus in the step 4 into a fermentation tank, and adding yeast wine for fermentation.
6. The alcohol extraction process using cellulose as raw material according to claim 1, wherein: 5, controlling the added yeast cell liquid to be 1-1.2 hundred million/mL during yeast fermentation; the alcohol content of the yeast is controlled to be 3-3.5% V/V, and the culture temperature of the fermentation tank is controlled to be 33-36 ℃.
7. The alcohol extraction process using cellulose as raw material according to claim 1, wherein: the step 6: and (4) distillation purification, namely adopting a four-distillation tower to perform distillation purification.
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| CN201911162018.0A CN110804631A (en) | 2019-11-23 | 2019-11-23 | Alcohol extraction process using cellulose as raw material |
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| CN201911162018.0A CN110804631A (en) | 2019-11-23 | 2019-11-23 | Alcohol extraction process using cellulose as raw material |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220381A (en) * | 2011-04-26 | 2011-10-19 | 烟台双塔食品股份有限公司 | Technology for producing edible alcohol by using crushed vermicelli and bean dregs |
| CN102787141A (en) * | 2012-08-21 | 2012-11-21 | 广西凭祥市丰浩酒精有限公司 | Alcohol production process |
| CN104109695A (en) * | 2014-08-06 | 2014-10-22 | 梁利 | Method for producing alcohol through solid fermentation on mixed waste molasses containing cellulose substances |
| CN105368878A (en) * | 2014-08-12 | 2016-03-02 | 江苏花厅生物科技有限公司 | Method for producing alcohol by using manihot esculenta crantz as raw material |
-
2019
- 2019-11-23 CN CN201911162018.0A patent/CN110804631A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220381A (en) * | 2011-04-26 | 2011-10-19 | 烟台双塔食品股份有限公司 | Technology for producing edible alcohol by using crushed vermicelli and bean dregs |
| CN102787141A (en) * | 2012-08-21 | 2012-11-21 | 广西凭祥市丰浩酒精有限公司 | Alcohol production process |
| CN104109695A (en) * | 2014-08-06 | 2014-10-22 | 梁利 | Method for producing alcohol through solid fermentation on mixed waste molasses containing cellulose substances |
| CN105368878A (en) * | 2014-08-12 | 2016-03-02 | 江苏花厅生物科技有限公司 | Method for producing alcohol by using manihot esculenta crantz as raw material |
Non-Patent Citations (4)
| Title |
|---|
| 刘洋等: "甘蔗渣生产燃料乙醇技术研究现状与展望", 《甘蔗糖业》 * |
| 苏小军等: "燃料乙醇发酵技术研究进展", 《湖南农业大学学报(自然科学版)》 * |
| 蔡辉益等: "马铃薯饲用资源固体发酵研究进展", 《饲料工业》 * |
| 陈娜等: "产纤维素酶真菌混合发酵研究进展", 《中国土壤与肥料》 * |
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