CN1065442A - A kind of high temperature steaming, dried sweet-potato slices to brew liquor and recovering distillers ' grains - Google Patents
A kind of high temperature steaming, dried sweet-potato slices to brew liquor and recovering distillers ' grains Download PDFInfo
- Publication number
- CN1065442A CN1065442A CN91106371A CN91106371A CN1065442A CN 1065442 A CN1065442 A CN 1065442A CN 91106371 A CN91106371 A CN 91106371A CN 91106371 A CN91106371 A CN 91106371A CN 1065442 A CN1065442 A CN 1065442A
- Authority
- CN
- China
- Prior art keywords
- spice
- potato
- alcohol
- filtrate
- distillers
- 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.)
- Pending
Links
Classifications
-
- 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
A kind of high temperature steaming, dried sweet-potato slices to brew liquor and recovering distillers ' grains be to dried with potato be raw material, adopt the high-temperature cooking process condition to produce the alcohol waste lees solution that is produced in the alcohol, the filtrate after handling with the reuse three process through desanding, solid-liquid separation, the processing of filtrate ground is all returned the method that " spice " operation is used for spice again.Simple for process, less investment that present method has is taken up an area of the advantage of lacking and not producing the waste water pollution problem second time; Favorable economic benefit and social benefit are also arranged when using present method simultaneously.
Description
The invention belongs to the three wastes (waste water, waste residue, waste gas) process field, more definite a kind of high temperature steaming, the dried sweet-potato slices to brew liquor and recovering distillers ' grains of saying so.
When being raw material production alcohol so that potato is dried, one ton of alcohol of every production will produce 12～15 tons of wine lees liquors, has so not only seriously polluted environment, and has caused a large amount of wastes of the energy and resource, in order to address this problem, the treatment process to alcohol waste lees solution has both at home and abroad:
1, Unareobic fermentation: this method is to utilize anerobe in fermentor tank (pond), produces biogas under 31 ± 4 ℃ or 54 ± 2 ℃ of conditions.The problem that this method exists is: the waste liquid (COD behind the production biogas
CrOnly remove 80～90%), COD not only
CrStill up to 5,000～10,000mg/L, but also exist investment big, take up an area of many (ten thousand tons of grain distillerys' investments need 150～1,800,000 yuan, take up an area of need 2～3 mu).
2, produce dried granulated feed (DDGS) method: this method is that waste liquid is concentrated, the water that condensation is got off in concentrating returns the spice operation and is used for spice, enriched material is through being processed into solid feed, the shortcoming of this method is: facility investment is at (ten thousand tons grain distillery's facility investment more than 200 ten thousand yuan), energy consumption big (handle 27.5～33 kilowatts of the poor power consumptions of 1 ton of alcohol, need 1.1～1.3 tons of steam).
Task of the present invention is to guarantee under the prerequisite that alcohol quality and the yield of liquor do not reduce, to dried with potato be raw material, with the high temperature steaming is that the alcohol waste lees solution that produces in the processing condition production alcohol process is handled all recovery uses of back, no longer produces the method for secondary waste liquid.
Content of the present invention:
Figure of description is a process flow sheet of the present invention.Referring now to accompanying drawing that detailed description of the present invention is as follows:
One, raw material is handled:
1, raw materials quality requires: the potato of buying do require not have go rotten, denaturalization phenomenon, moisturely be divided into 11～16%.
2, raw material is handled: meet the potato dry powder behind the potato xeromenia crushing screening of " raw materials quality requirement ", its granularity≤2mm.
Two, spice:
1, spice specification of quality: will add in spice equipment with a certain amount of through " raw material processing " qualified potato dry powder, the water of temperature≤55 ℃ mixes potato dry powder: water=1: 2.5～3.5.
2, spice process: adding water and stirring adding potato dry powder in the spice jar when: promptly stir simultaneously with potato dry powder limit Jia Shui on the limit, after material and water add, until slip is stirred well, does not promptly have and float over till the top potato dry powder.
Three, boiling:
To send into the steam cooker of the tapered bottom that has heating unit from the qualified slurry that " spice " operation transfers, 120～135 ℃ of following continuously cookings 1～2 hour, be qualified when slip gelatinization rate reaches 70～80% in the pot, stops hot digestion.
Four, saccharification:
Well-done " slip " is transported to inside is equipped with in the saccharifying tank of water cooling coil pipe, when being cooled to 60 ° ± 2 ℃, add saccharifying agent (song Fructus Hordei Germinatus or liquid koji), when adding solid koji, dosage is 2～4% of a slip; Add-on is 2～4% when adding liquid koji, enzyme activity is 150～200 units/gram, add and stir well, saccharification index request: saccharification time: 25～35 minutes, total reducing sugar: 13～18%, acidity: 2.0～6.0, reducing sugar: 5～9%, reach " the ripe converted mash " of These parameters, being cooled to 28 °～30 ℃ again can change operation down.
Five, fermentation:
The ripe converted mash that is cooled to 28 °～30 ℃ is delivered to inside refrigerating unit is housed, do not contain in the fermentor tank of assorted bacterium, and then press 8～10% adding mature yeasts of converted mash liquid measure.This primary yeast requires the sugared rate 40～50% of consumption, mortality ratio≤1%, bud ratio 15～30%, cell count 1.0～1.6 hundred million/ml.Leavening temperature is 28 °～33 ℃, and fermentation time is 56～70 hours, when reducing sugar≤0.5% of karusen, and total reducing sugar≤1.0%, spirituosity amount (volume ratio) is 7～10%, total acid increases and is called maturing fermentation wine with dregs, so far fermentation ends when sour amplitude is 0.5～1.0ml.
Six, distillation:
The maturing fermentation wine with dregs is transported in the topping still earlier slightly heats up in a steamer, thick then distillate enters that rectifying becomes qualified alcohol (as: edible ethanol will meet GB10343-89 and require) in the rectifying tower again; Also produce a large amount of alcohol waste lees solutions and discharge at the bottom of tower when producing qualified alcohol, this alcohol waste lees solution is the waste dregs liquid that the present invention will handle the full reuse in back.
Seven, desanding:
The alcohol waste lees solution that produces is transported to earlier in the settler, staticly settles or take additive method (as: with machinery) to carry out desanding.Behind waste dregs liquid sand content≤2 ‰ after the desanding, again it is delivered in the header tank standby.
Eight, solid-liquid separation:
" desanding " is qualified and be transported in the alcohol waste lees solution input separating machine of the header tank that is higher than 2～3 meters of separating machine opening for feeds and carry out solid-liquid separation.Filter residue after separating is made feed or is carried out deep processing; Filtrate after the separation is sent into and is gone in the storage tank to handle.Solid content 2.0～3.5% in the filtrate, suspended substance 0.2～1.4%, COD25000 ± 500mg/l, acidity 2.5～4.0.
Nine, filtrate ground is handled and reuse:
When the filtrate after " solid-liquid separation " is being conveyed into storage tank, will be toward " the SPBL-1 distillage filtrate treatment agent " of adding suitable amount of filtrate 0.5～10 ‰ in the storage tank, the filtrate temperature is dropped to below 60 ℃, and at this moment filtrate can all be delivered to the spice operation and is used for spice." SPBL-1 distillage filtrate treatment agent " is a kind of 3～10%NaOH that evenly adds in black liquid of straw pulp paper-making, makes the liquid of pH value 〉=13.
Advantage of the present invention and characteristics:
One, the present invention is a kind ofly guaranteeing under the prerequisite that alcohol quality and liquor output rate do not reduce, to dried with potato be raw material, after the alcohol waste lees solution that produces in high temperature steaming (120 °～135 ℃) the processing condition production alcohol carries out sand setting, filtration and adding " SPBL-1 distillage filtrate treatment agent ", the full recovery is used for spice, do not produce waste liquid for the second time.
The present invention tests successfully in Boxing Distillery, Shandong Prov..In test at that time, the amount that produces because of distillage filtrate needed water consumption to lack than producing, so in reuse is tested entirely, use after adding 10～20% clear water again in the filtrate.Use aforesaid method, the alcohol of producing in test in more than 100 days all meets GB10343-89 food grade alcohol standard, and the yield of liquor has improved 1～1.91% than ordinary production.
Two, the present invention have that technological process is simple, less investment and the little advantage of floor space: the present invention only by to the desanding of vinasse waste liquid, filtration and in filtrate, add SPBL-1 distillage filtrate treatment agent " back just can all reclaim and be used for spice, this shows that this kind procedure is simple.When the present invention was used to produce per year ten thousand tons of grain distillerys, investment only needed 900,000 yuan, took up an area of only 500 meters
2Just can handle whole alcohol tank liquids that this factory produces and make well and use up, and not produce waste liquid for the second time.
Three, the present invention not only has thoroughness for the processing of alcohol tank liquid, and favorable economic benefit and social benefit are arranged:
The present invention can all return the spice operation and carry out spice usefulness by after alcohol waste lees solution being carried out desanding, solid-liquid separation and add " SPBL-1 filtrate treatment agent " in filtrate.After handling like this, do not produce waste liquid for the second time, so have thoroughness.The present invention is used to produce per year ten thousand tons of grain distillerys, 12 myriametres of can economizing on water every year
3, economize on coal 700 tons, year wound economic benefit is more than 1,000,000 yuan.The present invention from the above has tangible economic benefit and social benefit.
Most preferred embodiment of the present invention:
One, raw material is handled: the nothing that will buy is gone rotten, goes bad, is contained in the dried GFQ-60 of the sending into set hammer of the potato formula pulverizer of moisture＜14% and pulverizes and make potato dry mash granularity＜2mm.
Two, spice: at 11 meters
3In volume, the stainless steel spice jar in 1: 3=potato dry mash: the water ratio, with Bian Jiashui (30 °～60 ℃ of water temperatures), the limit is with the potato dry mash and carry out stirring method, and the potato dry mash fully is mixed to becoming slip with water.
Three, boiling: will deliver to 10 meters of tapered bottom that heating arrangement is housed from the qualified slurry that the spice operation transfers
3In the stainless steel fermentor tank, boiling is 1.9 hours under 128 ° ± 2 ℃ conditions, reaches at 80% o'clock in slip gelatinization rate, and boiling stops.
Four, saccharification: the slip that boiling is qualified, being transported to inside is equipped with when being cooled to 60 ° ± 2 ℃ in the saccharifying tank of water cooling coil pipe, press 3% of slip and add A.S.3,4309 aspergillus glucoamylases, saccharification time 30 minutes (total reducing sugar 16% of converted mash, reducing sugar 7%, acidity 3.0), mature converted mash is sent into when being cooled to 30 ℃ in the cooling tube, delivered to fermentation procedure.
Five, fermentation: it is 100 meters that qualified converted mash is transported to volume
3, there is the dish type cooling tube inside and cleans out, and does not contain in the fermentor tank of assorted bacterium.When the converted mash loading amount is fermentor tank volumetrical 90%, begin fermentation.Leavening temperature is 29 ° ± 1 ℃, and the mature yeast add-on is 9% of a converted mash, and when fermentation time reached 62 hours, the yeast form in the microscopy fermentation liquid was normal, does not have assorted bacterium; Detecting its reducing sugar is 0.35%, and total reducing sugar is 0.7%, and the total acid increasing degree is 0.6, and containing wine is 9%, stops fermentation, and the fermented liquid of this moment is the maturing fermentation wine with dregs.
Six, the distillation: the maturing fermentation wine with dregs is delivered to distillation process slightly heats up in a steamer earlier, after slightly heat up in a steamer.Rectified spirit all meets GB10343-89 food grade alcohol standard through checking, and it is as follows specifically to detect data list:
| Test item | The GB10343-89 set quota | Detected result |
| Alcohol (%) | 95.0 | 95.8 |
| Sulfuric acid test (number) | ≤80 | 68 |
| Oxidation test (branch) | ≥15 | 15 |
| Aldehyde (%) | ≤0.0030 | 0.0023 |
| Methyl alcohol (%) | ≤0.06 | 0.05 |
| Potato spirit (%) | ≤0.0080 | 0.0070 |
| Acid (%) | ≤0.0020 | 0.0018 |
| Non-volatile matter (mg/l) | ≤0.0025 | 0.0002 |
| Smell | Qualified | Qualified |
In distilled spirit, discharge a large amount of alcohol waste lees solutions from base product.
Seven, desanding:, put into 20 meters that steel plate is made earlier from the waste dregs liquid (liquid temperature: 65 °～75 ℃) that distillation process is discharged
3During the rectangle sand setting is poor, carrying out sand setting with the method for natural subsidence, is 1 ‰ through the waste dregs liquid sand content of desanding.
Eight, solid-liquid separation: the waste dregs liquid that desanding is qualified deliver to earlier a high position that is higher than 2 meters of separating machine opening for feeds poor in, and then waste dregs liquid is put into the LW-380D parallel flow type horizontal spiral discharge sedimentation centrifuge from a high position is poor, under 3500 rev/mins rotating speed, carry out solid-liquid separation.Filter residue after the separation (moisture 82～85%) otherwise processed or use; Filtrate after the separation (containing solid substance 2.5～3.2%, suspended substance 0.8～1.4%, 60 ° ± 5 ℃ of filtrate temperature) is treated further processing.
Nine, filtrate ground is handled and reuse: the filtrate that warp " solid-liquid separation " goes out, in in being transported to storage tank, add " SPBL-1 distillage filtrate treatment agent " and stir well by 5 ‰ of amount of filtrate, after dropping to the filtrate temperature below 60 ℃ then, again filtrate is all delivered to " spice " operation, done spice and use.
Because of the advantage of present embodiment and characteristics and aforesaid " advantage of the present invention and characteristics " with, so this place no longer repeats.
Claims (10)
1, a kind of high temperature steaming, dried sweet-potato slices to brew liquor and recovering distillers ' grains, it is characterized in that this method be to dried with potato be raw material, adopt the high-temperature cooking process condition to produce the alcohol waste lees solution that is produced in the alcohol, all return " spice " operation again through the filtrate after (7) desanding, (8) solid-liquid separation, the processing of (9) filtrate ground and the processing of reuse three process, be used for the method for " spice ".
2, produce the alcohol tank liquid that is produced in the alcohol according to the described a kind of high temperature steaming of claim 1, dried sweet-potato slices to brew liquor and recovering distillers ' grains, it is characterized in that the technological process that produces this kind alcohol tank liquid is: the processing of (1) raw material, (2) spice, (3) boiling, (4) saccharification, (5) fermentation, (6) distillation be totally six procedures.
3,, it is characterized in that doing with potato in this method be that raw material carries out that (1) raw material is handled and the content of (2) spice comprises according to claim 1 and 2 described a kind of high temperature steamings, dried sweet-potato slices to brew liquor and recovering distillers ' grains:
(1) raw material is handled:
A, raw materials quality require: the potato of buying is done and is required not have mildew and rot, denaturalization phenomenon, and moisture is 11～16%.
B, raw material are handled: after meeting the potato xeromenia crushing screening of " raw materials quality requirement ", and potato powder size≤2mm.
(2) spice:
A, spice specification of quality: will add in spice equipment with a certain amount of through " raw material processing " qualified potato dry powder, the water of temperature≤55 ℃ mixes potato dry powder: water=1: 2.5～3.5.
B, spice process: till when in the spice jar, adding potato dry powder, adding water and be stirred to the slip that does not have the potato dry powder above floating over.
4, according to claim 1 and 2 described a kind of high temperature steamings, dried sweet-potato slices to brew liquor and recovering distillers ' grains, it is characterized in that (3) boiling in this method is meant that the qualified slurry that transfers from " spice " operation sends into the steam cooker of the tapered bottom that has heating unit, continuously cooking is 1～2 hour under 120 °～135 ℃ conditions, when slip gelatinization rate in the pot 70～80% is qualified, stops hot digestion.
5, according to claim 1 and 2 described a kind of high temperature steamings, dried sweet-potato slices to brew liquor and recovering distillers ' grains, it is characterized in that (4) saccharification in this method is that the slip that " boiling " is good is transported to inside and is equipped with in the saccharifying tank of water cooling coil pipe, when being cooled to 60 ± 2 ℃, add saccharifying agent (song Fructus Hordei Germinatus or liquid koji), add-on is 2～4%.When add be liquid koji the time, requiring enzyme activity is 150～200 units/gram, adds to stir well.Saccharification requires: saccharification time: 25～35 minutes, and total reducing sugar: 13～18%, acidity: 2.0～6.0, reducing sugar: 5～9%, what reach above-mentioned requirements is " ripe converted mash ", is cooled to 28 °～30 ℃ again and gets final product.
6, according to claim 1 and 2 described a kind of high temperature steamings, dried sweet-potato slices to brew liquor and recovering distillers ' grains, it is characterized in that (5) fermentation in this method refers to the ripe converted mash that will be cooled to 28 °～30 ℃ ℃ and is delivered to inside refrigerating unit is housed, do not contain in the fermentor tank of assorted bacterium, and then press 8～10% adding mature yeasts of converted mash amount.This primary yeast requires the sugared rate 40～50% of consumption, mortality ratio≤1%, bud ratio 15～30%, cell count 1.0～1.6 hundred million/ml.Leavening temperature is 28 °～33 ℃, and fermentation time is 56～70 hours, when reducing sugar≤0.5% of karusen, and total reducing sugar≤1.0%, containing capacity for liquor (volume ratio) is 7～10%, total acid increases and is called maturing fermentation wine with dregs, so far fermentation ends when sour amplitude is 0.5～1.0ml.
7, according to claim 1 and 2 described a kind of high temperature steamings, dried sweet-potato slices to brew liquor and recovering distillers ' grains, it is characterized in that (6) distillation in this method, be the maturing fermentation wine with dregs to be transported in the topping still earlier slightly heat up in a steamer, thick then distillate enters in the rectifying tower again, rectifying becomes qualified alcohol, (as: edible ethanol will meet GB10343-89 and require); Also produce a large amount of alcohol waste lees solutions and discharge at the bottom of tower when producing qualified alcohol, this alcohol waste lees solution promptly is the waste dregs liquid that the present invention will handle the full reuse in back.
8, according to the described a kind of high temperature steaming of claim 1, dried sweet-potato slices to brew liquor and recovering distillers ' grains, it is characterized in that (7) desanding in this method refers to earlier the alcohol waste lees solution that produces to be transported to earlier staticly settles or takes additive method in the settler, (as: with machinery) carries out desanding, and the waste dregs liquid sand content after desanding requires≤2 ‰.
9, according to the described a kind of high temperature steaming of claim 1, dried sweet-potato slices to brew liquor and recovering distillers ' grains, it is characterized in that (8) solid-liquid separation in this method, is with qualified through " desanding " and be transported in the alcohol waste lees solution input separating machine that is higher than 2～3 meters header tanks of separating machine opening for feed and carry out solid-liquid separation.Filter residue after separating makes feed or he uses; Filtrate after the separation is sent into storage tank and is treated further processing, the solid content 2.0～3.5% in the filtrate, suspended substance 0.2～1.4%, COD25000 ± 500mg/l, acidity 2.5～4.0.
10, according to the described a kind of high temperature steaming of claim 1, dried sweet-potato slices to brew liquor and recovering distillers ' grains, it is characterized in that processing of (9) filtrate ground and reuse in this method, be meant when the filtrate after " solid-liquid separation " is being conveyed into storage tank, will be toward " the SPBL-1 alcohol tank liquid treatment agent " of adding suitable amount of filtrate 0.5～10 ‰ in the storage tank, the filtrate temperature is dropped to below 60 ℃, and filtrate can all be delivered to the spice operation and is used for spice then." SPBL-1 alcohol filtrate treatment agent " is a kind of 3～10%NaOH that evenly adds in the liquid in papermaking straw pulp, makes the liquid of pH value 〉=13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN91106371A CN1065442A (en) | 1991-04-04 | 1991-04-04 | A kind of high temperature steaming, dried sweet-potato slices to brew liquor and recovering distillers ' grains |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN91106371A CN1065442A (en) | 1991-04-04 | 1991-04-04 | A kind of high temperature steaming, dried sweet-potato slices to brew liquor and recovering distillers ' grains |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1065442A true CN1065442A (en) | 1992-10-21 |
Family
ID=4907793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN91106371A Pending CN1065442A (en) | 1991-04-04 | 1991-04-04 | A kind of high temperature steaming, dried sweet-potato slices to brew liquor and recovering distillers ' grains |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1065442A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7608191B2 (en) | 2004-02-04 | 2009-10-27 | Ciba Specialty Chemicals Water Treatments Ltd. | Production of a fermentation product |
| CN1914120B (en) * | 2004-02-04 | 2011-02-09 | 西巴特殊化学水处理有限公司 | Production of a fermentation product |
| CN101245354B (en) * | 2008-03-26 | 2011-03-16 | 天津大学 | Novel method for producing ethanol with potato raw material |
| CN103266139A (en) * | 2013-04-11 | 2013-08-28 | 清华大学 | Production method of solid alcohol fermentation |
-
1991
- 1991-04-04 CN CN91106371A patent/CN1065442A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7608191B2 (en) | 2004-02-04 | 2009-10-27 | Ciba Specialty Chemicals Water Treatments Ltd. | Production of a fermentation product |
| CN1914121B (en) * | 2004-02-04 | 2010-11-10 | 西巴特殊化学水处理有限公司 | Production of a fermentation product |
| US7867400B2 (en) | 2004-02-04 | 2011-01-11 | Ciba Speacialty Chemicals Water treaments Ltd. | Production of a fermentation product |
| CN1914120B (en) * | 2004-02-04 | 2011-02-09 | 西巴特殊化学水处理有限公司 | Production of a fermentation product |
| US8067193B2 (en) | 2004-02-04 | 2011-11-29 | Ciba Specialty Chemicals Water Treatments Ltd. | Production of a fermentation product |
| CN101245354B (en) * | 2008-03-26 | 2011-03-16 | 天津大学 | Novel method for producing ethanol with potato raw material |
| CN103266139A (en) * | 2013-04-11 | 2013-08-28 | 清华大学 | Production method of solid alcohol fermentation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2019154110A1 (en) | Process for producing ethanol fuel by using corn starch as raw material | |
| Maiorella et al. | Alcohol production and recovery | |
| US8399228B2 (en) | Method for recovering energy from the organic fraction of solid urban waste and associated facility | |
| CN101235391B (en) | Method and system for continuously separating ethanol and utilizing residual heat based on solid-state fermentation material | |
| Keim | Technology and economics of fermentation alcohol—an update | |
| CA1140873B (en) | Production of volatile organic compound by continuous fermentation | |
| CN101195836A (en) | Novel technique for producing manioc waste ethanol | |
| CN100540671C (en) | The mixed raw-material fermenting process of Alcohol Production | |
| Kosaric et al. | Ethanol production by fermentation: an alternative liquid fuel | |
| CN101974567A (en) | Method for ecologically producing alcohol by taking tuberous crop as raw material | |
| CN104946516A (en) | Device and method for producing butyl alcohol through continuous fermentation of lignocellulose | |
| CN101045937B (en) | Clean fuel ethanol producing technology | |
| CN108841873B (en) | Method for producing ethanol by recycling anaerobic digestion effluent and distiller's grain clear liquid | |
| CN101736038A (en) | Method for extracting fuel ethanol through whole-plant pulverizing double-enzyme fermentation | |
| CN104263760A (en) | Method of producing alcohol for fuels, high-protein feed and grease from kitchen waste | |
| CN1065442A (en) | A kind of high temperature steaming, dried sweet-potato slices to brew liquor and recovering distillers ' grains | |
| Westby et al. | Farm‐scale production of fuel ethanol and wet grain from corn in a batch process | |
| CN103243123A (en) | Novel recycling technology for high-value conversion of tubers vinasse | |
| CN101497555A (en) | Method and apparatus for producing biological butanol | |
| CN212741403U (en) | Lost grain double-round fermentation humus preparation production system | |
| CN109554286A (en) | A kind of organic matter gas anaerobic dry-type fermenting device | |
| Egg et al. | Grain sorghum stillage recycling: Effect on ethanol yield and stillage quality | |
| CN109182394B (en) | Method for producing ethanol by using grains as raw materials | |
| CN111217625A (en) | Lees treatment facility assembly line | |
| CN112496012A (en) | Anaerobic digestion treatment method and device for kitchen garbage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |