CN104263761A - Method and device for layered fermentation of ethanol through illumination heating - Google Patents
Method and device for layered fermentation of ethanol through illumination heating Download PDFInfo
- Publication number
- CN104263761A CN104263761A CN201410441180.7A CN201410441180A CN104263761A CN 104263761 A CN104263761 A CN 104263761A CN 201410441180 A CN201410441180 A CN 201410441180A CN 104263761 A CN104263761 A CN 104263761A
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- ethanol
- fermentation
- illumination
- liquid
- reactive tank
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Classifications
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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
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
-
- 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
-
- 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 invention belongs to the technical field of producing fuel ethanol through microbial fermentation, and particularly relates to a method and a device for layered fermentation of ethanol through illumination heating. The method comprises the following steps: mixing a to-be-fermented raw material glucose liquid with yeast liquid the volume of which is 6%-10% of the glucose liquid, then placing in an illumination and circulating air flow system for fermentation, wherein the yeast is settled at the bottom of a fermented liquid to ferment the glucose liquid into ethanol, the ethanol is evaporated from the upper surface of the fermentation liquid through illumination heating, and ethanol stream is carried away from the reaction system through circulating air flow and is condensed into high-concentration ethanol solution. The device comprises a circulating pump, an ethanol fermentation reaction tank, a condenser, an ethanol storage tank, a light-shielding baffle, a temperature control coiled pipe, and a glass cover plate. Illumination is adopted as a heat source of fermentation reaction, so that the production cost of the ethanol is lowered; the fermentation and separation and purification of the ethanol are simultaneously performed by the reaction device, the temperature control coiled pipe is arranged so as to control the temperature of the fermentation liquid at the bottom, so that microorganism is at the most appropriate growth temperature, and the yield of the ethanol can be greatly increased.
Description
Technical field:
The invention belongs to the technical field that fermentable produces alcohol fuel, be specifically related to method and the device of the ethyl alcohol stratification fermentation of a kind of illumination heating.
Background technology:
Along with the development of society, fossil energy is consumed, gradually exhausted, becomes the Nonrenewable resources on relative meaning.Countries in the world start to be devoted to research renewable energy source material, and alcohol fuel receives extensive concern both domestic and external as alternative oil-fired green novel energy source.
At present, producing alcohol fuel with non-grain raw material will become the trend of future development, and mainly based on cellulose, starch material, but the intractability of cellulosic material is comparatively large, causes alcohol concn lower, add the cost of subsequent ethanol distillation process.Therefore, study a kind of ethanol fermentation technology of high-efficiency cleaning, improve ethanol output concentration, reduce production cost, significant to commercially producing of cellulosic ethanol.
Summary of the invention:
The object of this invention is to provide method and the device of the ethyl alcohol stratification fermentation of a kind of illumination heating, under the condition of illumination, adopt the method for circulating current and condensation, while fermentation, ethanol initial gross separation is purified, the fermentation of ethanol being carried out with being separated simultaneously, while raising alcohol yied, reducing cost.
Technical scheme of the present invention is:
A kind of method of ethyl alcohol stratification fermentation of illumination heating, the mixing of the yeast liquid of raw material liquid glucose to be fermented and liquid glucose volume 6% ~ 10% is placed in the system of illumination and circulating current and ferments, liquid glucose fermentation is become ethanol by the bottom that wherein yeast is deposited in fermented liquid, illumination heating makes ethanol evaporate from the upper surface of fermented liquid, and alcohol vapour is recycled air-flow and takes away reaction system and the ethanolic soln becoming higher concentration through condensation.
The method of the ethyl alcohol stratification fermentation of described illumination heating, liquid glucose is raw material through the fermentable sugars liquid of ultralow acid or enzymolysis processing as fermentation substrate, and the raw material sources of liquid glucose are maize straw, straw, bagasse or cassava.
The method of the ethyl alcohol stratification fermentation of described illumination heating, enters ethanol fermentation reactive tank by the opening for feed of bottom after yeast liquid and liquid glucose mix in raw material liquid glucose storage tank, not illumination in reinforced 5 ~ 10 hours of starting, so that yeast is deposited to bottom.
The method of the ethyl alcohol stratification fermentation of described illumination heating, the fermented liquid in ethanol fermentation reactive tank has thermograde from top to bottom when illumination is heated, and fermented liquid surface temperature is at 40 ~ 50 DEG C, and fermented liquid bottom temp is at 25 ~ 30 DEG C, thus formation temperature gradient.
The method of the ethyl alcohol stratification fermentation of described illumination heating, the light source of illumination heating is incandescent light or sun power, and intensity of illumination is at 500 ~ 800W/m
2between.
A device for the ethyl alcohol stratification fermentation of illumination heating, this device comprises: raw material liquid glucose storage tank, ethanol fermentation reactive tank, circulation air pump, condenser, ethanol storage tank, every baffle plate, temperature control coil pipe, glass cover-plate, concrete structure is as follows:
Ethanol fermentation reactive tank covers transparent glass cover plate, have under fermentation liquid level in ethanol fermentation reactive tank hole staggered every baffle plate; In ethanol fermentation reactive tank, temperature control coil pipe is arranged at the bottom of fermented liquid; Fermentation ullage is provided with air inlet port and production well, and the bottom of ethanol fermentation reactive tank is provided with opening for feed and discharge port;
Ethanol fermentation reactive tank is connected with condenser, ethanol storage tank, circulation air pump with pipeline successively by production well, is connected to air inlet port forms loop line eventually through pipeline;
Raw material liquid glucose storage tank is connected with ethanol fermentation reactive tank by opening for feed.
The device of the ethyl alcohol stratification fermentation of described illumination heating, the alcohol gas in circulating current, is condensed into ethanolic soln by during condenser, enters ethanol storage tank, reduces the product inhibition in ethanol fermentation groove.
The device of the ethyl alcohol stratification fermentation of described illumination heating, ethanol fermentation reactive tank is connected by pipeline with raw material liquid glucose storage tank by bottom feed mouth, and the pipeline that described opening for feed is connected with raw material liquid glucose storage tank is provided with dehvery pump.
The device of the ethyl alcohol stratification fermentation of described illumination heating, above ethanol fermentation reactive tank, arrange heated light sources, heated light sources is incandescent light or sun power, and its intensity of illumination is at 500 ~ 800W/m
2between.
The device of the ethyl alcohol stratification fermentation of described illumination heating, the height of ethanol fermentation reactive tank is between 1 ~ 2 meter, and in ethanol fermentation reactive tank, the fermented liquid degree of depth is at 0.5 ~ 1 meter; Bottom and the outside of ethanol fermentation reactive tank are coated with thermal insulation layer.
Advantage of the present invention and beneficial effect are:
1, the invention provides a kind of under the condition of illumination, adopt the method for circulating current and condensation, the method for ethanol initial gross separation being purified while fermentation and device, replace traditional petrochemical industry thermal source with illumination heating, really can realize green non-pollution;
2, the present invention adopts illumination Heating temperature lower, can avoid equipment corrosion problem, and fermentation reaction groove can be widely used in the liquid glucose of the various concentration prepared with raw materials such as stalk, straw, bagasse, cassavas;
3, to have hot face large for light source of the present invention, heating is feature relatively slowly, coordinate every baffle plate and bottom temperature control coil pipe, ethanol fermentation liquid can be made to produce temperature head, fermented liquid surface temperature, at 40 ~ 50 DEG C, is beneficial to ethanol evaporation, and fermented liquid bottom temp is at 25 ~ 30 DEG C, be beneficial to saccharomycetes to make fermentation producing and ethanol, really realize ethanol fermentation and carry out with being separated simultaneously;
4, adopt the present invention ferment produce CO
2circulated in the closed circuit by circulation air pump, the ethanol evaporated in fermented liquid is taken away reactive tank, prevent the too high restraining effect to yeast of alcohol accumulation partial concn in fermented liquid, improve alcohol yied further.
Accompanying drawing illustrates:
Fig. 1 is the device schematic diagram of the ethyl alcohol stratification fermentation of illumination of the present invention heating.
In figure, 1 circulation air pump; 2 liquid glucose storage tanks; 3 dehvery pumps; 4 reactive tanks; 5 condensers; 6 ethanol storage tanks; 7 discharge ports; 8 thermal insulation layers; 9 every baffle plate; 10 air inlet ports; 11 thermopairs; 12 temperature control coil pipes; 13 opening for feeds; 14 water coolant filling pipe ends; 15 water coolant water return outlets; 16 spiral pipes; 17 production wells; 18 glass cover-plates; 19 temperature controllers; 20 cooling liquid baths; 21 circulating cooling pumps; 22 water-cooled tubes.
Embodiment:
In a specific embodiment, the ethyl alcohol stratification fermentation process of a kind of illumination heating provided by the invention, the mixing of the yeast liquid of raw material liquid glucose to be fermented and liquid glucose volume 6% ~ 10% is placed in the system of illumination and circulating current and ferments, liquid glucose fermentation is become ethanol by the bottom that wherein yeast is deposited in fermented liquid, illumination heating makes ethanol evaporate from the upper surface of fermented liquid, and alcohol vapour is recycled air-flow and takes away reaction system and the ethanolic soln becoming higher concentration (massfraction 20% ~ 40%) through condensation.
As shown in Figure 1, the ethyl alcohol stratification fermentation unit of illumination heating of the present invention, described device comprises: circulation air pump 1, raw material liquid glucose storage tank 2, dehvery pump 3, ethanol fermentation reactive tank 4, condenser 5, ethanol storage tank 6, discharge port 7, thermal insulation layer 8, every baffle plate 9, air inlet port 10, thermopair 11, temperature control coil pipe 12, opening for feed 13, water coolant filling pipe end 14, water coolant water return outlet 15, spiral pipe 16, production well 17, glass cover-plate 18, temperature controller 19, cooling liquid bath 20, circulating cooling pump 21, water-cooled tube 22 etc., concrete structure is as follows:
Ethanol fermentation reactive tank 4 covers transparent glass cover plate 18, have under fermentation liquid level in ethanol fermentation reactive tank 42 ~ 5 layers of (being preferably 2 ~ 3 layers) hole staggered every baffle plate 9, play on fermented liquid bottom heat insulation, do not affect liquid-flow every light action.In ethanol fermentation reactive tank 4, temperature control coil pipe 12 is arranged at the bottom of fermented liquid, one end of thermopair 11 extends the temperature of the bottom mensuration fermented liquid of fermented liquid, the other end of thermopair 11 is connected with temperature controller 19, the output terminal of temperature controller 19 connects circulating cooling pump 21, one end of circulating cooling pump 21 is communicated with the cooling fluid in cooling liquid bath 20 by pipeline, the other end of circulating cooling pump 21 connects one end of temperature control coil pipe 12 by pipeline, the other end of temperature control coil pipe 12 is linked back and cools liquid bath 20, thus the temperature of fermented liquid bottom can be prevented too high.Fermentation ullage in ethanol fermentation reactive tank 4 inside is provided with air inlet port 10 and production well 17, and the bottom of ethanol fermentation reactive tank 4 is provided with opening for feed 13 and discharge port 7.
Ethanol fermentation reactive tank 4 is connected with condenser 5, ethanol storage tank 6, circulation air pump 1 with pipeline successively by production well 17, is connected to air inlet port 10 forms loop line eventually through pipeline.Spiral pipe 16 in condenser 5 is helically wound around in condenser 5 on water-cooled tube 22, and the two ends of water-cooled tube 22 connect water coolant filling pipe end 14, water coolant water return outlet 15 respectively, by circulating of water coolant, alcohol vapour condensation are become ethanolic soln.Alcohol gas in circulating current, is condensed into ethanolic soln by during condenser, enters ethanol storage tank, reduces the product inhibition in ethanol fermentation groove.
In addition, ethanol fermentation reactive tank 4 is connected by pipeline with raw material liquid glucose storage tank 2 by bottom feed mouth 13, and the pipeline that described opening for feed 13 is connected with raw material liquid glucose storage tank 2 is provided with dehvery pump 3.The bottom of ethanol fermentation reactive tank 4 and outside are coated with thermal insulation layer 8, play the effect into ethanol fermentation reactive tank 4 is incubated.
Above ethanol fermentation reactive tank 4, arrange heated light sources, heated light sources is incandescent light or sun power, and its intensity of illumination is at 500 ~ 800W/m
2between.The height of ethanol fermentation reactive tank 4 is between 1 ~ 2 meter, and in ethanol fermentation reactive tank 4, the fermented liquid degree of depth is at 0.5 ~ 1 meter.
Fermentation substrate is the fermentable sugars liquid through ultralow acid or enzymolysis processing, and the raw material sources of liquid glucose are maize straw, straw, bagasse or cassava.Ethanol fermentation reactive tank is entered by the opening for feed of bottom, not illumination in reinforced 5 ~ 10 hours of starting, so that yeast is deposited to bottom after yeast liquid and liquid glucose mix in raw material liquid glucose storage tank 2.The illumination heating of fermented liquid in ethanol fermentation reactive tank 4 due to top and the temperature control of bottom, thus make fermented liquid formation temperature gradient from top to bottom.Fermented liquid surface temperature is at 40 ~ 50 DEG C, and fermented liquid bottom temp is at 25 ~ 30 DEG C.
Embodiment:
Cassava is carried out the liquid glucose of the massfraction 15% of enzymolysis processing generation and totally 10 tons, the yeast liquid mixture of liquid glucose volume 10%, ethanol fermentation reactive tank 4 is entered by opening for feed 13 by raw material liquid glucose storage tank 2, keep the liquid level of fermented liquid lower than air inlet port 10 and production well 17, higher than the dividing plate 9 that is in the light, airtight standing 8 hours.Adopt incandescent light as light source irradiation, intensity of illumination is 600W/m
2the temperature on fermented liquid surface is between 45 ~ 50 DEG C, be provided with in ethanol fermentation reactive tank 4 two-layer hole staggered every baffle plate 9, avoid bottom light direct irradiation fermented liquid, do not affect again the homogeneity of the volatilization of ethanol, the sedimentation of thalline and whole liquid glucoses, the bottom of ethanol fermentation reactive tank 4 is provided with temperature control coil pipe 12, is used for regulating fermented liquid bottom temp between 28 ~ 30 DEG C, makes thalline be in optimum leavening temperature.Open circulation air pump 1, the CO that fermentation reaction produces
2circulated in the closed circuit by circulation air pump 1, the volatilization ethanol that fermentation produces is taken away ethanol fermentation reactive tank 4, reduce the accumulation of product, improve the productive rate of ethanol, liquefied as ethanol liquid enters ethanol storage tank by condenser 5 by the alcohol gas taken away.Supplement liquid glucose by raw material liquid glucose storage tank 2 to ethanol fermentation reactive tank 4 in reaction process, keep fermented liquid height constant.When the liquid volume of ethanol storage tank 6 be the raw sugar liquid that adds in ethanol fermentation reactive tank 4 long-pending 1/3 time, close circulation air pump, open the discharge port 7 of ethanol fermentation reactive tank 4, discharge base section yeast, residue liquid glucose participates in next round reaction.Ethanol massfraction in ethanol storage tank can reach 30%.
Embodiment result shows, the present invention adopts fermentable to produce alcohol fuel, under the condition of illumination, adopts the method for circulating current and condensation, ethanol initial gross separation is purified while fermentation.Using illumination as the thermal source of fermentation reaction, reduce the production cost of ethanol, the fermentation of this reaction unit ethanol and separating-purifying synchronously carry out, and be furnished with temperature control coil pipe to control submerged fermentation liquid temp, make microorganism be in optimum growth temperature, greatly improve the productive rate of ethanol, there is the feasibility of operability and application in actual applications, both saved cost, also there is very large environment protection significance.
Claims (10)
1. the method for the ethyl alcohol stratification fermentation of an illumination heating, it is characterized in that, the mixing of the yeast liquid of raw material liquid glucose to be fermented and liquid glucose volume 6% ~ 10% is placed in the system of illumination and circulating current and ferments, liquid glucose fermentation is become ethanol by the bottom that wherein yeast is deposited in fermented liquid, illumination heating makes ethanol evaporate from the upper surface of fermented liquid, and alcohol vapour is recycled air-flow and takes away reaction system and the ethanolic soln becoming higher concentration through condensation.
2. the method for the ethyl alcohol stratification fermentation of heating according to illumination according to claim 1, is characterized in that, liquid glucose is raw material through the fermentable sugars liquid of ultralow acid or enzymolysis processing as fermentation substrate, and the raw material sources of liquid glucose are maize straw, straw, bagasse or cassava.
3. the method that the ethyl alcohol stratification heated according to illumination according to claim 1 ferments, it is characterized in that, ethanol fermentation reactive tank is entered by the opening for feed of bottom after yeast liquid and liquid glucose mix in raw material liquid glucose storage tank, not illumination in reinforced 5 ~ 10 hours of starting, so that yeast is deposited to bottom.
4. the method that the ethyl alcohol stratification heated according to illumination according to claim 1 ferments, it is characterized in that, fermented liquid in ethanol fermentation reactive tank has thermograde from top to bottom when illumination is heated, fermented liquid surface temperature is at 40 ~ 50 DEG C, fermented liquid bottom temp is at 25 ~ 30 DEG C, thus formation temperature gradient.
5. the method that the ethyl alcohol stratification heated according to illumination according to claim 1 ferments, is characterized in that, the light source of illumination heating is incandescent light or sun power, and intensity of illumination is at 500 ~ 800W/m
2between.
6. the device of the ethyl alcohol stratification fermentation of the illumination heating of method described in a claim 1, it is characterized in that, this device comprises: raw material liquid glucose storage tank, ethanol fermentation reactive tank, circulation air pump, condenser, ethanol storage tank, every baffle plate, temperature control coil pipe, glass cover-plate, concrete structure is as follows:
Ethanol fermentation reactive tank covers transparent glass cover plate, have under fermentation liquid level in ethanol fermentation reactive tank hole staggered every baffle plate; In ethanol fermentation reactive tank, temperature control coil pipe is arranged at the bottom of fermented liquid; Fermentation ullage is provided with air inlet port and production well, and the bottom of ethanol fermentation reactive tank is provided with opening for feed and discharge port;
Ethanol fermentation reactive tank is connected with condenser, ethanol storage tank, circulation air pump with pipeline successively by production well, is connected to air inlet port forms loop line eventually through pipeline;
Raw material liquid glucose storage tank is connected with ethanol fermentation reactive tank by opening for feed.
7. the device that the ethyl alcohol stratification heated according to illumination according to claim 6 ferments, is characterized in that the alcohol gas in circulating current is condensed into ethanolic soln by during condenser, enters ethanol storage tank, reduces the product inhibition in ethanol fermentation groove.
8. the device that the ethyl alcohol stratification heated according to illumination according to claim 6 ferments, it is characterized in that, ethanol fermentation reactive tank is connected by pipeline with raw material liquid glucose storage tank by bottom feed mouth, and the pipeline that described opening for feed is connected with raw material liquid glucose storage tank is provided with dehvery pump.
9. the device that the ethyl alcohol stratification heated according to illumination according to claim 6 ferments, it is characterized in that, above ethanol fermentation reactive tank, arrange heated light sources, heated light sources is incandescent light or sun power, and its intensity of illumination is at 500 ~ 800W/m
2between.
10. the device that the ethyl alcohol stratification heated according to illumination according to claim 6 ferments, it is characterized in that, the height of ethanol fermentation reactive tank is between 1 ~ 2 meter, and in ethanol fermentation reactive tank, the fermented liquid degree of depth is at 0.5 ~ 1 meter; Bottom and the outside of ethanol fermentation reactive tank are coated with thermal insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410441180.7A CN104263761A (en) | 2014-09-01 | 2014-09-01 | Method and device for layered fermentation of ethanol through illumination heating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410441180.7A CN104263761A (en) | 2014-09-01 | 2014-09-01 | Method and device for layered fermentation of ethanol through illumination heating |
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| CN104263761A true CN104263761A (en) | 2015-01-07 |
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| CN201410441180.7A Pending CN104263761A (en) | 2014-09-01 | 2014-09-01 | Method and device for layered fermentation of ethanol through illumination heating |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108117965A (en) * | 2016-11-28 | 2018-06-05 | 陈锡禄 | A kind of production method of fruit vinegar |
| CN110093379A (en) * | 2018-12-09 | 2019-08-06 | 百绿国际草业(北京)有限公司 | The method and apparatus of ethyl alcohol is prepared using kaoliang stalk |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102297525A (en) * | 2011-07-11 | 2011-12-28 | 同济大学 | High-temperature anaerobic fermentation heating system of solar energy-biogas slurry waste heat recovery type heat pump and operation control method |
| CN102741388A (en) * | 2010-01-26 | 2012-10-17 | 斯科尔生物燃料公司 | Methods for producing and harvesting ethanol and apparatus for producing and harvesting the same |
-
2014
- 2014-09-01 CN CN201410441180.7A patent/CN104263761A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102741388A (en) * | 2010-01-26 | 2012-10-17 | 斯科尔生物燃料公司 | Methods for producing and harvesting ethanol and apparatus for producing and harvesting the same |
| CN102297525A (en) * | 2011-07-11 | 2011-12-28 | 同济大学 | High-temperature anaerobic fermentation heating system of solar energy-biogas slurry waste heat recovery type heat pump and operation control method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108117965A (en) * | 2016-11-28 | 2018-06-05 | 陈锡禄 | A kind of production method of fruit vinegar |
| CN110093379A (en) * | 2018-12-09 | 2019-08-06 | 百绿国际草业(北京)有限公司 | The method and apparatus of ethyl alcohol is prepared using kaoliang stalk |
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Application publication date: 20150107 |
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