CN1754961A - Production of ethyl alcohol and micro-fermentation feedstuff by sorgo straw - Google Patents

Production of ethyl alcohol and micro-fermentation feedstuff by sorgo straw Download PDF

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Publication number
CN1754961A
CN1754961A CNA2005100993227A CN200510099322A CN1754961A CN 1754961 A CN1754961 A CN 1754961A CN A2005100993227 A CNA2005100993227 A CN A2005100993227A CN 200510099322 A CN200510099322 A CN 200510099322A CN 1754961 A CN1754961 A CN 1754961A
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China
Prior art keywords
fermentation
stalk
storage
ethanol
yeast
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CNA2005100993227A
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Chinese (zh)
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CN100460512C (en
Inventor
计巧灵
王卫国
马雪娟
滕文静
王新绘
刘岸杰
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Xinjiang University
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Xinjiang University
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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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/87—Re-use of by-products of food processing for fodder production

Abstract

Disclosed is a process for the production of ethanol and fermentation fodder from seet sorghum's stalks, which comprises producing alcohol through fermenting extract of sweet sorghum's stalks, then carrying out fermentation storage special microbiological strain to the extracted slag to produce fodder for cows and sheep, the slag and liquid produced in the fermentation process can be directly used as additive for the stalk fermentation storage.

Description

Sorgo stalk is produced ethanol and microbiological fermented feed
Technical field:
The present invention relates to the comprehensive processing technology of sorgo stalk, belong to technical field of bioengineering.
Technical background:
Sweet sorghum is high light efficiency C 4Plant is one of the highest crop of biological yield.According to statistics, the output of per hectare sweet sorghum is: sorghum rice 2250-6000Kg/hm 2, bright stem, leaf 6-10.5 * 10 4Kg/hm 2, stem stalk sugar degree is very high, and the sugar hammer degree of squeezing the juice is 12%-28%, can be directly as the zymamsis raw material.Its strong stress resistance, wide adaptability, in China long cultivation history is arranged, but at the southern and northern all establishing in large scale of China, raw material because of industries such as it can be used as food, brewages, feed, fermentation, papermaking, recyclable fuels, its widely purposes fully realized by people at present, sweet sorghum has become one of China recent years and even a recent period of time variety of crops with fastest developing speed.
Sweet sorghum stalk is pulverized to squeeze the juice and is used for Alcohol Production, because of its contents of monosaccharides height that can ferment, juice clarity height, need not add water and size mixing and just can be applicable to the requirement of continuously fermenting of alcohol with complex process such as boiling and saccharification, as the fermentation raw material of alcohol, its advantage is apparent.
Sorgo, leaf are the happiness food feeds of many stomaches domestic animal, can improve the nutrition and the freshness date of straw feed behind microbial fermentation (little storage), are the important technical of mass-producing stock keeping, can obviously reduce feeding cost, improve the output of meat, milk, hair.
Adopt the sweet broomcorn straw fermentative production alcohol of squeezing the juice, marc is through the technical scheme of microbial fermentation production full price ox, sheep feed.Can give full play to sweet Chinese sorghum pole and squeeze the juice and be used for the advantage of zymamsis, slag, liquid that fermenting process produces are again the additives of stalk micro storage, can directly use; This provides good technical solution for the waste treatment of grain distillery and the preparation of the little storage microbial inoculum of part.The industrial development direction that meets current resources and innoxious production.
Summary of the invention:
Sweet Chinese sorghum pole is cut into 1-5cm squeezes the juice for broken section; Obtain sorgo juice and stalk marc.
1, squeezes the juice after filtration, transfers sugar hammer degree 18%-26%, add nitrogen (ammonium salt, urea) 0.1%-2%, lime carbonate 0.01%-1%.
1.1, adjusted squeezing the juice with adding ethanol fermentation tank after the continuous sterilisation tower sterilization, leavening temperature is controlled at 30 ± 5 ℃, ferments.
1.2, select the autoflocculation distillery yeast for use, with 0.01-0.04h -1Thinning ratio carry out multistage continuously fermenting, yeast concn maintains more than the 20g/L, ammoniacal liquor is adjusted the pH value 5.0 ± 0.5 of fermented liquid, make in the fermentation liquid residual sugar be lower than 0.3%, ethanol concn is higher than 10%.
1.3, adopt fermentation liquid and yeast behind the continuous separate fermentation of whizzer; Ethanol fermentation tank is returned in the activated rear section of yeast, and part is as one of microbial inoculum of stalk micro storage; Fermented liquid after centrifugal send distillation tower to separate alcohol, and further dehydration can be produced raw spirit.
1.4, slops removes the gred after filtration, reclaims a small amount of process water with reverse osmosis; After mixing, the organic waste residues that produces in concentrated solution and the production process is used for little storage of marc.
2, the sweet Chinese sorghum pole marc of back institute of squeezing the juice adopts the little storage of cement pit adding mix bacterium agent rear enclosed.
2.1, little storage mix bacterium agent:
2.1.1, be raw material with the sweet sorghum marc, admix wheat bran 2%-10%, ammonium salt 0.5%-3%, water content is controlled at 60%, add the bent 0.1%-5% of viride kind, carry out shallow tray fermentation, temperature is controlled at 28 ℃ ± 4 ℃ and cultivated about 36 hours, treat to gather in the crops when charge level covers with spore, as one of stalk micro storage microbial inoculum.
2.1.2, be raw material with the sweet sorghum marc, admix wheat bran 2%-10%, ammonium salt 0.5-3%, lime carbonate 0.5-3%, water content is controlled at 60%, adds the bent 0.1%-5% of lactobacillus inoculation, carry out shallow tray fermentation, temperature is controlled at 28 ℃ ± 4 ℃ and cultivated about 30 hours, treats that material fermentation material pH value is lower than 4.0 o'clock results, as two of stalk micro storage microbial inoculum.
2.1.3, the part yeast that reclaims in the alcoholic fermentation process, as three of stalk micro storage microbial inoculum.
2.1.4, in yeast liquid: viride kind song: lactic acid kind song=1: 4: 20 (w: w: ratio w), prepare little storage mix bacterium agent, stalk per ton uses the 1-5 kilogram.
2.2, the filter residue after will distilling and the urea of the waste liquid after the reverse osmosis and organic waste residues in the production process and 1-5%, with an amount of little storage mix bacterium agent mixing, as the additive of the little storage of sweet sorghum stalk.
2.3, cement pit cleaning is clean, carry out spray disinfectant with lime water, make lining with clean plastic cloth then, 10 centimeters of adding sweet sorghum marcs, one deck micro storage additive agent of evenly splashing, compacting; Add 20 centimeters of sweet sorghum marcs again, one deck micro storage additive agent of evenly splashing, compacting; Add 20 centimeters of sweet sorghum marcs again, one deck micro storage additive agent of evenly splashing, compacting; Repeatable operation is filled up Da Chi, and the control material moisture is about 60%; Chi Manhou is tight with adding the moisture soil sealing in the plastic cloth capping.
2.4, north spontaneous fermentation in autumn about 20 days, the sweet sorghum stalk deliquescing after little storage, wine flavour is arranged, sour and sweet palatability is rich in all kinds of biological enzymes useful to domestic animal, protein content improves obviously, the amino acid ratio is balance more, cattle and sheep happiness food.This microbiological fermented feed is admixed the oil cake powder (soya-bean cake, peanut cake, cottonseed cake, rapeseed cake) of 5%-10%, can be used as full price cattle and sheep feed and uses.Also it can be dried (northern arid biogeographic zone can natural air drying), be convenient to storing, the concentrated feed of can be used as the well-fattened ox or sheep in winter, giving milk uses, and is more suitable in mass-producing, stdn aquaculture industry.
Specific embodiment:
Sweet Chinese sorghum pole is cut into 2cm squeezes the juice for broken section, squeezes the juice after filtration, transfers sugar hammer degree 22%, adds ammonium sulfate 0.2%, lime carbonate 0.5%.With adding ethanol fermentation tank after the continuous sterilisation tower sterilization, leavening temperature is controlled at 30 ± 1 ℃, ferments.
The fermentation select the autoflocculation distillery yeast for use, with 0.02h -1Thinning ratio carry out level Four and continuously ferment, yeast concn maintains 30g/L, ammoniacal liquor is adjusted the pH value 4.5 of fermented liquid, the residual sugar in the fermentation liquid of control fermentation termination is lower than 0.2%, ethanol concn is not less than 12%.
Adopt fermentation liquid and yeast behind the continuous separate fermentation of whizzer, ethanol fermentation tank is returned in the activated back 80% of yeast, and 20% as one of microbial inoculum of stalk micro storage; Fermented liquid after centrifugal send distillation tower to separate alcohol, and further raw spirit is produced in dehydration.
The squeeze the juice marc of back institute of sweet Chinese sorghum pole adopts the little storage of cement pit adding mix bacterium agent rear enclosed.
Little storage mix bacterium agent preparation: be raw material 1., admix wheat bran 5% with the sweet sorghum marc, urea 0.5%, water content is controlled at 60%, adds viride kind song 1%, carries out shallow tray fermentation, and temperature is controlled at 28C 0Cultivating about 36 hours results kind of song, is raw material with the sweet sorghum marc 2., admixes wheat bran 10%, ammonium sulfate 1%, and lime carbonate 0.5%, water content is controlled at 60%, adds lactobacillus inoculation song 1%, carries out shallow tray fermentation, and temperature is controlled at 28C 0Cultivated about 30 hours, and treated that material fermentation material pH value was lower than 4.0 o'clock results and plants bent.
In yeast liquid: viride kind song: lactic acid kind song=1: 4: 20 (w: w: ratio w), prepare little storage mix bacterium agent, stalk per ton uses 5 kilograms.With the filter residue after the distillation and the urea of the waste liquid after the reverse osmosis and the organic waste residues in the production process and 2%, with an amount of little storage mix bacterium agent mixing, as the additive of the little storage of sweet sorghum stalk.
The cement pit cleaning is clean, carry out spray disinfectant with lime water, make lining with clean plastic cloth then, add 20 centimeters of sweet sorghum marcs, one deck micro storage additive agent of evenly splashing, compacting; Add 20 centimeters of sweet sorghum marcs again, one deck micro storage additive agent of evenly splashing, compacting; Repeatable operation is filled up Da Chi, and the control material moisture is about 60%; Chi Manhou is tight with adding the moisture soil sealing in the plastic cloth capping.North spontaneous fermentation in autumn 20 days.This microbiological fermented feed is admixed 8% cottonseed cake, rapeseed cake mixing cake powder, uses as full price cattle and sheep feed.North arid biogeographic zone can natural air drying, is convenient to storing, and the concentrated feed of can be used as the well-fattened ox or sheep in winter, giving milk uses.Be more suitable in mass-producing, stdn aquaculture industry.

Claims (5)

  1. The present invention relates to sweet Chinese sorghum pole and produce the technological method of ethanol and microbiological fermented feed, it is characterized in that:
    1, adopt the autoflocculation distillery yeast to utilize the sweet Chinese sorghum pole production ethanol that directly continuously ferments of squeezing the juice.Partially recycled yeast is used as the stalk micro storage microbial inoculum.
  2. 2, method according to claim 1 is characterized in that: autoflocculation zymic concentration should maintain more than the 20g/L; The thinning ratio of continuously fermenting is at 0.01-0.04h -1Between; The pH value of readjusting the distribution the ferment process with ammoniacal liquor is: PH5.0 ± 5.
  3. 3, the little storage of sweet sorghum stalk is adopted with milk-acid bacteria, yeast and Trichoderma blended stalk fermentation microbial inoculum, Da Chi sealed fermenting technology.
  4. 4, the organic waste residues of ethanol fermentation process generation, the raw material that liquid is stalk micro storage do not need special processing, directly use; Ethanol fermentation and the coproduction of stalk micro storage feed can solve grain distillery's waste water handling problem and the little storage fungicide preparation of part problem.
  5. 5, almost anhydrous in process of production demand of this technology and discharging can be produced in area in short supply at the water source.
CNB2005100993227A 2005-09-13 2005-09-13 Production of ethyl alcohol and micro-fermentation feedstuff by sorgo straw Expired - Fee Related CN100460512C (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008029163A2 (en) * 2006-09-08 2008-03-13 Nasamax Limited Processing of sweet sorghum for bioethanol production
CN101965907A (en) * 2010-10-29 2011-02-09 湖南农业大学 Method for producing biologic feed from cassava lees
CN102154380A (en) * 2010-12-20 2011-08-17 安徽丰原发酵技术工程研究有限公司 Method for preparing ethanol from sweet sorghum stalks
CN102907572A (en) * 2012-10-22 2013-02-06 广西壮族自治区农业科学院农产品加工研究所 Banana silage microbial additive and preparation method thereof
CN101397575B (en) * 2008-11-03 2013-02-20 新疆农垦科学院 Method for improving sweet sorghum comprehensive utilization value
CN105378091A (en) * 2013-07-12 2016-03-02 东丽株式会社 Method for producing alcohol from cellulose-containing biomass
CN105779510A (en) * 2014-12-24 2016-07-20 李银亭 Storage method of crop stalk juice
CN106636218A (en) * 2017-03-16 2017-05-10 福建农林大学 Method for preparing biogas and paper pulp from energy grass

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103740568B (en) * 2014-01-02 2016-06-22 中国科学院近代物理研究所 Production method of sweet sorghum juice liquor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1616666A (en) * 2004-08-24 2005-05-18 项传夫 Fermenting technology for producing ethyl alcohol liquid using sweet sorghum stalks

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008029163A2 (en) * 2006-09-08 2008-03-13 Nasamax Limited Processing of sweet sorghum for bioethanol production
WO2008029163A3 (en) * 2006-09-08 2008-08-28 Nasamax Ltd Processing of sweet sorghum for bioethanol production
CN101397575B (en) * 2008-11-03 2013-02-20 新疆农垦科学院 Method for improving sweet sorghum comprehensive utilization value
CN101965907A (en) * 2010-10-29 2011-02-09 湖南农业大学 Method for producing biologic feed from cassava lees
CN101965907B (en) * 2010-10-29 2012-12-05 湖南农业大学 Method for producing biologic feed from cassava lees
CN102154380A (en) * 2010-12-20 2011-08-17 安徽丰原发酵技术工程研究有限公司 Method for preparing ethanol from sweet sorghum stalks
CN102154380B (en) * 2010-12-20 2013-06-19 安徽丰原发酵技术工程研究有限公司 Method for preparing ethanol from sweet sorghum stalks
CN102907572A (en) * 2012-10-22 2013-02-06 广西壮族自治区农业科学院农产品加工研究所 Banana silage microbial additive and preparation method thereof
CN105378091A (en) * 2013-07-12 2016-03-02 东丽株式会社 Method for producing alcohol from cellulose-containing biomass
CN105779510A (en) * 2014-12-24 2016-07-20 李银亭 Storage method of crop stalk juice
CN106636218A (en) * 2017-03-16 2017-05-10 福建农林大学 Method for preparing biogas and paper pulp from energy grass

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