CN101130790A - Alcohol crossed circle manufacturing technique with potatoes as the main materials - Google Patents

Alcohol crossed circle manufacturing technique with potatoes as the main materials Download PDF

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Publication number
CN101130790A
CN101130790A CNA2007101318562A CN200710131856A CN101130790A CN 101130790 A CN101130790 A CN 101130790A CN A2007101318562 A CNA2007101318562 A CN A2007101318562A CN 200710131856 A CN200710131856 A CN 200710131856A CN 101130790 A CN101130790 A CN 101130790A
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alcohol
distillation
fermentation
digestive system
useless mash
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CN100558904C (en
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毛忠贵
张建华
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Jiangnan University
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    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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    • Y02E50/10Biofuels, e.g. bio-diesel

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Abstract

The invention relates to an alcohol dual manufacturing technique with tuber as the main material in the alcohol fermentation industry technique, which comprises the following steps: mixing starch and the last anaerobic fermentation digestive liquid; heating, liquefying and reducing the temperature by adding maxilase and mixing homogeneously; adding the last distillery slop; saccharifying by adding glucoamylase; reducing the temperature; inoculating the extended culture distillery yeast; culturing in the constant temperature; acquiring the product alcohol by distilling; using distillery slop as the water for the next saccharifying and adjusting acid; cooling the rest slop and inoculating the last activated sludge in order to produce methane with anaerobic fermentation; recovering the activated sludge and digestive liquid by separating anaerobic fermentation liquid; making the digestive liquid back to the proportioning procedure as the technology water; circulating sequentially. The invention only needs a step anaerobic fermentation of distillery slop, which reduces investment of accommodation area and capital assets, can circulate anaerobic fermentation digestive liquid, achieves zero discharge of the wastewater from fermentation, achieves the circulation of the water resource and reduces the cost of alcohol.

Description

With the potato class is the alcohol crossed circle manufacturing technique of main raw material
Technical field
The present invention relates to a kind of is the alcohol crossed circle manufacturing technique of main raw material with the potato class, belongs to fermentation alcohol industrial technology field.
Background technology
Starchy material fermentative production alcohol is one of main method of Alcohol Production.In traditional starchy material fermentation producing wine Seiko skill, size mixing by water through pulverizing, adding for starchy material, liquefaction and saccharification, inoculate then the distillery yeast fermentation (as " alcohol industry handbook one book is introduced, volumes such as Zhang Kechang, light industry press).The average alcohol per ton of traditional zymotic production technique will discharge 12~15 tons of useless mash, useless mash COD CrMore than 40000~50000mg/L, not only cause serious water resource pollution, also cause a large amount of wastings of resources.
Existing Alcohol Production method of wastewater treatment mainly contains: the concentrate drying method is produced DDGS and first anaerobically fermenting and is produced behind the biogas aeration aerobic treatment etc.The concentrate drying method is produced DDGS and is had problems such as investment is big, working cost height.This method processed waste water energy qualified discharge, but still need to drop into certain working cost, therefore, the concentrate drying method is produced DDGS and is had good social benefit, and does not have economic benefit.Elder generation's anaerobically fermenting produce subject matter one that the method for aeration aerobic treatment behind the biogas exists be take up an area of big, investment is high, the 2nd, later stage aeration aerobic treatment has only to drop into does not have output, the waste water treatment cost of Alcohol Production per ton up to 20 yuan about, the 3rd, waste water treatment is difficult to thoroughly, the waste water COD of discharging CrStill about 500mg/L.The technology that adopts slops recycle to extinction batching is also arranged, but owing to contain a large amount of organic acids in the useless mash of the distillation after the zymamsis, the pH value is between 3.0~4.0, cause Ye Huamei can not normally bring into play vigor (the suitableeest action pH value of Ye Huamei is between 5.5~6.5) when preparing burden the back liquefying starchiness raw material, cause cost too high, and circulation is batch limited, and a large amount of high-concentration wastewater emission are still arranged, and this method does not adopt on commercial production scale.
Chinese patent application number: 200610097623.0 disclose denomination of invention is: be the alcohol annular production technique of main raw material with the potato class, obtained good effect, but the suitableeest action pH value of saccharifying enzyme is between 4.0~4.5 during owing to saccharification, therefore, after liquefaction finishes, need mineral acids such as additional sulfuric acid or hydrochloric acid to adjust the acidity of liquefier, make its pH value between 4.0~4.5, could add the saccharifying enzyme saccharification.Add mineral acid and not only increased production cost, and, the acid ion that mineral acid is brought into also can influence the anaerobically fermenting of the useless mash of later stage distillation, and contain a large amount of organic acids in the useless mash of distillation, part slops direct reuse is as the acid adjustment water, the alternative mineral acid that adds has better economical effectiveness.
Useless mash reuse of part distillation of the present invention and the described reuse of existing patent are essentially different, in the existing patent, partly or entirely the useless mash of distillation is as process water, get back to ingredient station, and the useless mash of the distillation of the part among the present invention is got back to saccharification workshop section, as the acid adjustment water, variation has all taken place in reuse purpose and reuse means.
Summary of the invention
The objective of the invention is to overcome above-mentioned weak point, is the alcohol crossed circle manufacturing technique of main raw material thereby provide a kind of with the potato class, and the useless mash of its distillation only needs one step of anaerobically fermenting to handle, and has significantly reduced floor space and investment in fixed assets; Anaerobically fermenting Digestive system reusable edible can be realized the zero release of fermentation waste water, realizes the water resources recycle; The useless mash of part distillation can be got back to saccharification workshop section, can be used as the acid adjustment water, and also can reduce the Alcohol Production cost.
Main solution of the present invention is achieved in that
The present invention is the following processing step of alcohol crossed circle manufacturing technique employing of main raw material with the potato class:
1, getting starch mixes with last batch anaerobically fermenting Digestive system; Starch and last batch anaerobically fermenting Digestive system ratio of mixture are 1: 1.7~3.0;
2, add the Ye Huamei post-heating that stirs, liquefaction is cooled to 58~65 ℃;
3, add the useless mash of batch distillation in the liquefier after cooling, the useless mash add-on of distillation is 10~30% of a liquefier, pH value with mixed solution behind the useless mash of adding distillation is as the criterion between 4.0~4.5: add the saccharifying enzyme saccharification again, saccharification is cooled to 25~40 ℃ after finishing, the access distillery yeast that spreads cultivation, constant temperature culture fermentation 36~72 hours;
4, after the fermentation ends, obtain finished product alcohol through distillation;
5, get following batch of saccharification acid adjustment water of 5~25% conducts of the useless mash total amount of distillation, all the other useless mash are cooled to 50~80 ℃, insert Shang batch active sludge constant temperature anaerobically fermenting and produce biogas;
6, anaerobic fermented liquid reclaims active sludge and Digestive system through solid-liquid separation again, and Digestive system returns burden process and makes the technology water, circulation successively, and the pH value rises to 6.5~7.0 in the Digestive system,
Described Ye Huamei adopts α-Dian Fenmei; The Ye Huamei add-on is: 6~15U/g starch, and the liquefaction Heating temperature is: 80~105 ℃; Liquefying time is: 50~120 minutes;
Described saccharifying enzyme adopts the general goods saccharifying enzyme; The saccharifying enzyme add-on is: 80~150U/g starch, and saccharification temperature is: 58~65 ℃; Saccharification time is: 0~60 minute;
The described distillery yeast access amount that spreads cultivation is 8~12% of a saccharification liquid:
Described starchy material is sweet potato powder or Tapioca Starch etc.
Compared with the prior art the present invention has the following advantages:
The useless mash of tart distillation is through behind the anaerobically fermenting among the present invention, and the organism such as organic acid in the useless mash are degraded to biogas, and the pH value of Digestive system rises, and has guaranteed that the reuse batching of Digestive system can not exert an influence to operations such as liquefaction, saccharification, fermentations; The useless mash of distillation only needs one step of anaerobically fermenting to handle, and has significantly reduced floor space and investment in fixed assets; Do not have fermentation waste water and enter the high aeration aerobic treatment of running cost, and the running cost of anaerobically fermenting is low, the useless mash of distillation of adding alcohol per ton can produce 350m 3The active sludge (can process about 300 kilograms of compound bio matter fertilizers) of the biogas about (mark attitude) (amounting to 350 kilograms of commercial coals approximately) and 200 kilograms, therefore, this technology has good economic benefit; The recycle of anaerobically fermenting Digestive system realizes the zero release of fermentation waste water, does not have fermentable discharge of wastewater, and has saved a large amount of precious water resource; The useless mash direct reuse of part substitutes the mineral acid in the traditional technology, has not only reduced the Alcohol Production cost, also basically eliminate SO 4 -2Deng mineral ion to the issuable inhibition phenomenon of anaerobically fermenting.
Description of drawings
Fig. 1 is a process flow sheet of the present invention.
Embodiment
Embodiment during following the present invention incites somebody to action in conjunction with the accompanying drawings is further described:
Embodiment one
The present invention is the following processing step of alcohol crossed circle manufacturing technique employing of main raw material with the potato class:
Get sweet potato powder 100g, crowd anaerobically fermenting Digestive system 200ml adds 0.07 milliliter of high temperature resistant α-Dian Fenmei in the adding, the post-heating that stirs, and 95 ℃ of insulations were liquefied 60 minutes; Fast cooling to 58 ℃, the useless mash 100ml of batch distillation adds 0.15 milliliter in saccharifying enzyme (general goods saccharifying enzyme) in the adding behind the mixing, 62 ℃ of insulation saccharification 0.5hr, saccharification is cooled to 30 ℃ after finishing, and inserts 10% the distillery yeast that spreads cultivation, constant temperature culture fermentation 64hr; Fermentation ends, maturing fermentation liquid is long-pending to be 343ml, ethanol concn is 9.2% (v/v); Obtain finished product alcohol 32ml (95.2%v/v) through distillation and get the useless mash 310ml of distillation.Take out the useless mash of 100ml as following batch of saccharification acid adjustment water, the useless mash of all the other 210ml distillations is cooled to 55 ℃, inserts Shang batch active sludge 21g (10%), constant temperature anaerobically fermenting fortnight, and the useless mash of distillation obtains biogas through anaerobically fermenting; Biogas act as a fuel supply with boiler or coproduction heat; Anaerobic fermented liquid passes through solid-liquid separation (filtration) again, obtains 25g active sludge and Digestive system 200ml, and Digestive system returns makes next batch fermentation batching water.Circulate 30 batches successively, fermentation is normal.The active sludge that anaerobic fermented liquid obtains through solid-liquid separation, part is returned anaerobic fermentation tank, and unnecessary active sludge is processed into biological organic fertilizer.COD in the above-mentioned Digestive system CrDrop to about 2000mg/L, the pH value rises to 6.5.
Embodiment two
The present invention is the following processing step of alcohol crossed circle manufacturing technique employing of main raw material with the potato class:
Get Tapioca Starch 2000g, crowd anaerobically fermenting Digestive system 4000ml adds 1.2 milliliters of high temperature resistant α-Dian Fenmei in the adding, the post-heating that stirs, and 95 ℃ of insulations were liquefied 50 minutes; Fast cooling to 62 ℃, the useless mash 2000ml of batch distillation adds saccharifying enzyme (general goods saccharifying enzyme) 2.4 milliliters in the adding, 62 ℃ of insulation saccharification 0.5hr, saccharification is cooled to 30 ℃ after finishing, and inserts 8% the distillery yeast constant temperature culture fermentation that spreads cultivation, fermentation 60hr; Fermentation ends, maturing fermentation liquid is long-pending to be 6850ml, ethanol concn is 11.9% (v/v); Obtain finished product alcohol 740ml (96%v/v) through distillation, the useless mash 6200ml of distillation.Reserve the useless mash of 2000ml as following batch of saccharification acid adjustment water, the useless mash of all the other 4200ml distillations is cooled to 55 ℃, inserts Shang batch active sludge 420g (10%), constant temperature anaerobically fermenting fortnight, filter, obtain 500 active sludge and Digestive system 4100ml, loop back the next batch fermentation test.Circulate 40 batches successively, fermentation is normal.COD in the above-mentioned Digestive system CrDrop to about 2000mg/L, the pH value rises to 6.8.
Embodiment three
The present invention is the following processing step of alcohol crossed circle manufacturing technique employing of main raw material with the potato class:
Get Tapioca Starch 9000kg, crowd Digestive system 24m in the adding 3, add 3.2 liters of high temperature resistant α-Dian Fenmei, the post-heating that stirs, 95 ℃ of insulations were liquefied 60 minutes; Fast cooling to 65 ℃, the useless mash 4m of batch distillation in the adding 3, add saccharifying enzyme (general goods saccharifying enzyme) 9 liters, 62 ℃ of insulation saccharification 0.45hr, saccharification is cooled to 28 ℃ after finishing, and inserts 8% the distillery yeast fermentation that spreads cultivation, fermentation 66hr; Fermentation ends, maturing fermentation liquid is long-pending to be 35.6m 3, ethanol concn is 10.3% (v/v); Obtain finished product alcohol 3040L (96%v/v) through distillation, the useless mash 32.6m of distillation 3, separate silt particle through settling tank, reserve 4m 3Useless mash is as following batch of saccharification acid adjustment water, and all the other send anaerobic fermentation tank, and 55~60 ℃ of leavening temperatures are collected metering and obtained biogas 1100m 3(pressure 7KPa) filters back Digestive system 23m altogether 3, loop back the next batch fermentation.Circulate 20 batches successively, fermentation is normal.COD in the above-mentioned Digestive system CrDrop to about 2000mg/L, the pH value rises to 7.0.

Claims (1)

1. one kind is the alcohol crossed circle manufacturing technique of main raw material with the potato class, it is characterized in that adopting following processing step:
(1), getting starch mixes with last batch anaerobically fermenting Digestive system; Starch and last batch anaerobically fermenting Digestive system ratio of mixture are 0.8~1.2: 1.7~3.0;
(2), add the Ye Huamei post-heating that stirs, liquefaction is cooled to 58~65 ℃;
(3), add the useless mash of batch distillation in the liquefier after cooling, the useless mash add-on of distillation is 10~30% of a liquefier, pH value with mixed solution behind the useless mash of adding distillation is: 4.0~4.5, add the saccharifying enzyme saccharification again, saccharification is cooled to 25~40 ℃ after finishing, the access distillery yeast that spreads cultivation, constant temperature culture fermentation 36~72 hours;
(4), after the fermentation ends, obtain finished product alcohol through distillation;
(5), get the useless mash total amount of distillation 5~25% as following batch saccharification acid adjustment water, all the other useless mash are cooled to 50~80 ℃, access Shang batch active sludge constant temperature anaerobically fermenting production biogas;
(6), anaerobic fermented liquid reclaims active sludge and Digestive system through solid-liquid separation again, Digestive system returns burden process and makes the technology water, circulation successively, the pH value rises to 6.5~7.0 in the Digestive system.
CNB2007101318562A 2007-09-07 2007-09-07 With the potato class is the alcohol crossed circle manufacturing technique of main raw material Active CN100558904C (en)

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101823816A (en) * 2010-05-05 2010-09-08 天津大学 Aerobic sludge zero discharge technology in potato alcohol wastewater treatment process
CN101875527A (en) * 2010-07-16 2010-11-03 天津大学 High-efficiency treatment method of potato alcohol wastewater
CN101245354B (en) * 2008-03-26 2011-03-16 天津大学 Novel method for producing ethanol with potato raw material
CN102121034A (en) * 2010-12-07 2011-07-13 江南大学 Method for producing alcohol by using anaerobic effluent in water recycling way
CN102703516A (en) * 2012-06-08 2012-10-03 广西平果凯特生物化工有限公司 Alcohol cycle production technology by taking cassava and molasses as raw materials
CN102796767A (en) * 2012-08-28 2012-11-28 河南天冠企业集团有限公司 Method for producing alcohols through resourceful treatment of anaerobic effluents
CN103243123A (en) * 2013-05-14 2013-08-14 江南大学 Novel recycling technology for high-value conversion of tubers vinasse
CN105524850A (en) * 2014-09-28 2016-04-27 中粮生化能源(肇东)有限公司 Propagation method of yeast strain and method for producing ethyl alcohol
CN106414455A (en) * 2014-05-26 2017-02-15 罗盖特公司 Methanogen substrate for biogas production
CN106591379A (en) * 2016-12-02 2017-04-26 江南大学 Alcohol production method based on comprehensive utilization of waste water
CN109182393A (en) * 2018-09-10 2019-01-11 江南大学 A kind of method of reuse anaerobic effluent and smart tower raffinate production ethyl alcohol
CN109182394A (en) * 2018-09-10 2019-01-11 江南大学 A method of ethyl alcohol is produced by raw material of cereal
CN109182392A (en) * 2018-09-30 2019-01-11 江南大学 It is a kind of using cassava as the alcohol crossed circle production method of main material
CN113321339A (en) * 2021-05-06 2021-08-31 江南大学 Method for producing fuel ethanol by recycling evaporated condensed water and reusing evaporated condensed water

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101245354B (en) * 2008-03-26 2011-03-16 天津大学 Novel method for producing ethanol with potato raw material
CN101823816B (en) * 2010-05-05 2011-08-31 天津大学 Aerobic sludge zero discharge technology in potato alcohol wastewater treatment process
CN101823816A (en) * 2010-05-05 2010-09-08 天津大学 Aerobic sludge zero discharge technology in potato alcohol wastewater treatment process
CN101875527A (en) * 2010-07-16 2010-11-03 天津大学 High-efficiency treatment method of potato alcohol wastewater
CN101875527B (en) * 2010-07-16 2011-09-28 天津大学 High-efficiency treatment method of potato alcohol wastewater
CN102121034A (en) * 2010-12-07 2011-07-13 江南大学 Method for producing alcohol by using anaerobic effluent in water recycling way
CN102703516B (en) * 2012-06-08 2014-07-30 广西平果凯特生物化工有限公司 Alcohol cycle production technology by taking cassava and molasses as raw materials
CN102703516A (en) * 2012-06-08 2012-10-03 广西平果凯特生物化工有限公司 Alcohol cycle production technology by taking cassava and molasses as raw materials
CN102796767A (en) * 2012-08-28 2012-11-28 河南天冠企业集团有限公司 Method for producing alcohols through resourceful treatment of anaerobic effluents
CN103243123B (en) * 2013-05-14 2015-12-09 江南大学 A kind of high level transforms the New Cycle technique of potato vinasse
CN103243123A (en) * 2013-05-14 2013-08-14 江南大学 Novel recycling technology for high-value conversion of tubers vinasse
CN106414455A (en) * 2014-05-26 2017-02-15 罗盖特公司 Methanogen substrate for biogas production
CN106414455B (en) * 2014-05-26 2019-11-15 罗盖特公司 Methanogen body substrate for biogas production
CN105524850A (en) * 2014-09-28 2016-04-27 中粮生化能源(肇东)有限公司 Propagation method of yeast strain and method for producing ethyl alcohol
CN105524850B (en) * 2014-09-28 2018-11-02 中粮生化能源(肇东)有限公司 The propagation method of yeast strain and the method for producing ethyl alcohol
CN106591379A (en) * 2016-12-02 2017-04-26 江南大学 Alcohol production method based on comprehensive utilization of waste water
CN106591379B (en) * 2016-12-02 2020-08-04 江南大学 Alcohol production method based on comprehensive utilization of wastewater
CN109182393A (en) * 2018-09-10 2019-01-11 江南大学 A kind of method of reuse anaerobic effluent and smart tower raffinate production ethyl alcohol
CN109182394A (en) * 2018-09-10 2019-01-11 江南大学 A method of ethyl alcohol is produced by raw material of cereal
CN109182393B (en) * 2018-09-10 2021-03-02 江南大学 Method for producing ethanol by recycling anaerobic digestion effluent and fine tower residual liquid
CN109182392A (en) * 2018-09-30 2019-01-11 江南大学 It is a kind of using cassava as the alcohol crossed circle production method of main material
CN113321339A (en) * 2021-05-06 2021-08-31 江南大学 Method for producing fuel ethanol by recycling evaporated condensed water and reusing evaporated condensed water

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