CN100478437C - Method of producing fuel alcohol by kitchen garbage fermentation - Google Patents
Method of producing fuel alcohol by kitchen garbage fermentation Download PDFInfo
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- CN100478437C CN100478437C CNB2006101140067A CN200610114006A CN100478437C CN 100478437 C CN100478437 C CN 100478437C CN B2006101140067 A CNB2006101140067 A CN B2006101140067A CN 200610114006 A CN200610114006 A CN 200610114006A CN 100478437 C CN100478437 C CN 100478437C
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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- 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
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Abstract
This invention discloses a method of producing fuel alcohol by cupboard garbage fermentation, belonging to organic chemistry filed, especially relating to a method of producing fuel alcohol by kitchen garbage fermentation. This invention attained by the following steps: (1)cupboard garbage comminution; (2) saccharification fermentation without sterilizing simultaneously; (3)refining alcohol; (4) reclaiming distilled raffinate; (5)remainder as bait vessel. The invention has the following advantages: without needing fermenting substrate by megatemperature, steaming saccharification , strict sterile operating conditions, and any additional nutrition in the course of fermentation, which save energy expenditure and operation cost; Instead of traditional technology of saccharifying ahead and then fermenting, making the course of fermentation finished to save investment cost of equipment; Reclaiming distilled raffinate and fermenting remainder as bait vessel make the process of production not to produce secondary pollution. Nutrient-rich cupboard garbage used in this invention takes place of traditional alimentary crop, establishing raw material superiority for widespread utilization of alcohol as substitutive energy source, meanwhile, developing a new way of changing cupboard garbage into resource, which is of simple operation, economy and environment protection.
Description
Technical field
The invention belongs to organic chemistry filed, particularly a kind of method of producing fuel alcohol by kitchen garbage fermentation.
Background technology
Changing food waste is the food refuse that family, catering trade are abandoned, be a kind of solid waste that people form in the personal consumption process, in domestic waste, account for bigger proportion, the ratio that some city changing food wastes of China account for domestic refuse is: Beijing 37%, Tianjin 54%, Shanghai 59%, Shenyang 62%, Shenzhen 57%, Guangzhou 57%, Jinan 41%.Because its water ratio height is unsuitable for burning disposal, landfill is easily corrupt smelly, and produces a large amount of unmanageable percolates; Again because its saltiness height is restricted the application of its compost.The report that resource technologies such as some changing food waste methane fermentations, lactic fermentation, biological hydrogen production, system feedstuff protein are arranged at present, but some technology enters suitability for industrialized production at present and commercial Application Prospect is not too optimistic.Therefore, the treatment and disposal of changing food waste has become the problem that presses for solution.
With the ethanol gasoline replacing that acts as a fuel is the frontier of fuel industry in recent years development, at present China's oil resource relative shortage, and the problem that urban atmospheric pollution is serious, the industry that the fermentation of development and use renewable resources generates alcohol fuel causes people's attention.
Existing fermentative Production ethanol most of adopts starchiness and saccharide raw material, but the corn that starchy material uses, barley, wheat etc. are ploughed and production restriction, and production cost is higher.Planting costs such as saccharide raw material such as sugarcane beet are higher, and are subjected to the restriction of region and weather.In order to reduce production costs, cellulose raw material more and more is subject to people's attention.As publication number CN1442483A, CN1283701A and CN1511954A is that fermenting raw materials is produced ethanol with paddy raw material, agricultural stalk and sweet sorghum stalk respectively, but the pre-treatment (as acidolysis or enzymolysis) before the fermentation all is difficult to the thorough hydrolysis of cellulosic.Therefore, though above-mentioned patent is both economical on raw material uses, at present can't mass production.It is the technology of raw material ethanol production that Chinese patent ZL03117223.7 has invented a kind of organic waste matter with rich cellulose in the domestic waste and hemicellulose, the fiber-like refuse that the method that at first adopts sulfuric acid and pressurization obtains after to refuse classification carries out the acidolysis pre-treatment, regulates the pH value then and adds yeast again to 3-6 and carry out ethanol fermentation.This technology needs acidproof, withstand voltage, corrosion resistant container, and operation bothers.And, have the action condition gentleness with the pretreated biological process of enzymolysis, and energy consumption is low, and free of contamination advantage from the angle of cost and equipment, has all shown its special advantages.But existing enzymolysis alcohol production technology often adopts the go out mode of enzyme work-ethanol fermentation of high-temperature sterilization-saccharification (enzymic hydrolysis)-high temperature, and its operational path is longer, and high temperature saccharification and the enzyme that goes out are lived and wasted energy very much.
Summary of the invention
The purpose of this invention is to provide a kind of unsterilised ethanol fermentation mode, utilize the method for producing fuel alcohol by kitchen garbage fermentation.
A kind of method of producing fuel alcohol by kitchen garbage fermentation is characterized in that this method is raw material with the changing food waste, produces alcohol fuel by following steps: (1) changing food waste is pulverized; (2) unsterilised synchronous glycosylation ferments: changing food waste after the pulverizing and vinasse (perhaps dining room waste water) are 1: 0～1: 3, press 100g rubbish and add the saccharifying enzyme of 5-10kU and 5～12% yeast, its optimum saccharifying enzyme consumption is that every 100g rubbish 8-10kU adds, and its best inoculum size is every 100g rubbish inoculation 6-10%.Keep 30～35 ℃ of leavening temperatures, shake at sealed fermenting and ferment 50～70 hours in the bottle, make and contain 5-11% alcoholic acid fermented liquid; (3) ethanol is purified: will contain 5-11% alcoholic acid fermented liquid, temperature is controlled at 80 ℃ and distills purification, obtains the industrial alcohol product; (4) vinasse reuse: after distillation back mash was centrifugal, residual liquid recycling was regulated solid-to-liquid ratio in the changing food waste fermentation system; (5) residue system feed: residue can directly use as feed, also can add the certain moisture of material absorbing such as wheat bran, and drying-granulating is produced dry feed then.
Production of alcohol fuel of the present invention is to adopt the synchronous glycosylation zymotechnique, promptly in a fermenting container, add zymin and yeast simultaneously, carry out the limit saccharification, the method of limit fermentation, can save the required energy of boiling saccharification, and can avoid the excessive glucide that produced product inhibition, and can reduce investment cost of equipment to substrate.
The present invention has following advantage: adopt unsterilised ethanol fermentation mode, promptly high-temperature sterilization and high temperature enzyme two steps of living of going out in the existing enzymolysis of cancellation-ethanol fermentation technology need not the strict aseptic manipulation condition; Fermenting process need not additionally add any nutrition, the solid-to-liquid ratio that can utilize vinasse, dining room waste water, changing food waste filtrate to regulate fermentation system; The working condition gentleness, energy consumption is low, and is pollution-free; Utilization synchronous glycosylation zymotechnique shortens the production cycle of existing first saccharification secondary fermentation; Can save facility investment expense and running cost; Fermentation residue is made feed, can realize the resource utilization of changing food waste to greatest extent.
Description of drawings
Fig. 1 is a process flow sheet of the present invention
Embodiment
Embodiment 1:
Changing food waste after pulverizing is mixed with vinasse (perhaps dining room waste water), the adjusting ratio is 1: 1, adopt sterilization or unsterilised mode, press 100g rubbish and add the saccharifying enzyme of 6kU and 6% yeast, keep 31 ℃ of leavening temperatures, shake at sealed fermenting and to carry out ethanol fermentation in the bottle, make and contain 7% alcoholic acid fermented liquid; Ethanol is purified: will contain 7% alcoholic acid fermented liquid, temperature is controlled at 80 ℃ and distills; Mash behind the ethanol distillation carries out centrifugal treating, and centrifugal back residual liquid recycling is regulated solid-to-liquid ratio to the changing food waste fermentation system, carries out ethanol fermentation; Residue after centrifugal is moisture 85%, can be directly used in the forage feed livestock; Or add absorptive material such as wheat bran, can produce the granule protein feed after the oven dry granulation.Raw materials cost significantly reduces, and has very big social benefit and economic benefit.
Embodiment 2:
With the changing food waste after pulverizing and vinasse (perhaps dining room waste water) with 1: 0.5 mixed, after the sterilization, press 100g rubbish and add the saccharifying enzyme of 10kU and 10% yeast, shook in the bottle fermentation 60 hours at sealed fermenting under 35 ℃ of conditions, make and contain 10.2% alcoholic acid fermented liquid.Polymeric carbohydrate owing to yeast such as rich in starch class in the changing food waste can not directly utilize adds polysaccharide or the monose that saccharifying enzyme can become yeast to utilize the starch liquefacation in the rubbish, saccharification during fermentation.Carried out not adding the fermentation of saccharifying enzyme or the experiment of first saccharification secondary fermentation under processing condition same as described above, the result is as shown in table 1.The food waste fermentation that does not add saccharifying enzyme, institute's producing and ethanol concentration be less than 0.5%, promotion that saccharifying enzyme is strong has been described alcoholic acid generation.Alcohol concn in synchronous glycosylation fermentation and the first saccharification secondary fermentation mode gained fermented liquid is more or less the same, and adopts the synchronous glycosylation fermentation operation simple, saves facility investment and energy consumption.
The contrast of three kinds of fermentation modes of table 1
Embodiment 3:
According to table 2 four kinds of fermentation mode: A, B, C, D are set, fermentation substrate is prepared with 1: 0.5 mixed by changing food waste after pulverizing and vinasse (perhaps dining room waste water), 100g rubbish adds the saccharifying enzyme of 10kU and 10% yeast, shakes in the bottle fermentation 60 hours at sealed fermenting under 35 ℃ of conditions.The result is as shown in table 2.B and D are unsterilised ethanol fermentation, need not the high-temperature sterilization fermentation substrate.Compare with the fermentation mode of A, C sterilization, the alcohol concn in the fermented liquid is more or less the same, and illustrates that unsterilised fermentation is applicable to the technology of producing fuel alcohol by kitchen garbage fermentation.Fermenting, the pH of system is 4-5 when initial, and lower pH has also avoided microbiological contamination, and pH is reduced to about 4 after the fermentation ends.
The contrast of table 2 sterilization and unsterilised fermentation
Embodiment 4
With the changing food waste after pulverizing and vinasse (perhaps dining room waste water) with 1: 0.5 mixed, 100g rubbish adds the yeast of 10kU saccharifying enzyme and 10%, shake in the bottle fermentation 60 hours at sealed fermenting under 35 ℃ of conditions, make and contain 8.6% alcoholic acid fermented liquid, fermented liquid is distilled, after obtaining industrial products, it is centrifugal to distill mash, residue is used to prepare feed, the vinasse of gained is back to use in the fermentation system, and regulating solid-to-liquid ratio is 1: 0.5, and the reuse experiment has been carried out 3 times, the result is as shown in table 3, and the vinasse that reuse is described is to not influence of ethanol fermentation.The reuse of vinasse can reduce sewage emissions, and has reduced the cost that adds the water source.
The fermentation of table 3 ethanol distillation residual liquid recycling
Claims (5)
1. the method for a producing fuel alcohol by kitchen garbage fermentation is characterized in that this method is raw material with the changing food waste, produces alcohol fuel by following steps: (1) changing food waste is pulverized; (2) changing food waste after the pulverizing mixed according to mass ratio with vinasse or dining room waste water in 1: 0～1: 3, the pH of regulation system is 4-6, adopt the synchronous glycosylation zymotechnique, promptly in a fermenting container, add saccharifying enzyme and yeast simultaneously, press the saccharifying enzyme of 100g rubbish 5-10kU, add with the yeast of 5-12%, carry out the limit saccharification, 30～35 ℃ of leavening temperatures are kept in the limit fermentation, shake 50～70 hours starvation anaerobically fermentings that ferment in the bottle at sealed fermenting, make and contain 5-11% alcoholic acid fermented liquid, this process does not need sterilization, does not need the boiling saccharification, directly ferments; (3) ethanol is purified: will contain 5-11% alcoholic acid fermented liquid, temperature is controlled at 80 ℃ and distills purification, obtains the industrial alcohol product.
2. the method for producing fuel alcohol by kitchen garbage fermentation according to claim 1 is characterized in that described saccharifying enzyme is a glucoamylase.
3. the method for producing fuel alcohol by kitchen garbage fermentation according to claim 1, the saccharifying enzyme consumption that uses when it is characterized in that fermenting is every 100g rubbish 8-10kU.
4. the method for producing fuel alcohol by kitchen garbage fermentation according to claim 1, the inoculum size that it is characterized in that fermented yeast is every 100g rubbish inoculation 6-10%.
5. the method for producing fuel alcohol by kitchen garbage fermentation according to claim 1, it is characterized in that distilling the back mash centrifugal after, residual liquid recycling is regulated solid-to-liquid ratio in the changing food waste fermentation system; Residue directly uses as feed, or adds wheat bran absorption moisture, and drying-granulating is produced dry feed then.
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| CNB2006101140067A CN100478437C (en) | 2006-10-24 | 2006-10-24 | Method of producing fuel alcohol by kitchen garbage fermentation |
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| CNB2006101140067A CN100478437C (en) | 2006-10-24 | 2006-10-24 | Method of producing fuel alcohol by kitchen garbage fermentation |
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| CN1948498A CN1948498A (en) | 2007-04-18 |
| CN100478437C true CN100478437C (en) | 2009-04-15 |
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101058097B (en) * | 2007-05-31 | 2011-04-06 | 张虎明 | Resource using method for food and drink garbage |
| CN101418262B (en) * | 2008-11-21 | 2012-02-08 | 北京青龙河经济技术开发有限公司 | Preliminary treatment equipment suitable for kitchen waste alcohol fermentation |
| CN102086076A (en) * | 2010-08-25 | 2011-06-08 | 天津德为环保工程设备有限公司 | Processing system of organism degradation reduction liquid in house refuses |
| CN102120114B (en) * | 2010-11-23 | 2013-10-16 | 北京科技大学 | Method for pretreating ethanol fermentation liquor of food and kitchen waste by flocculation-filtration combined process |
| JP6004321B2 (en) * | 2012-04-18 | 2016-10-05 | 日立造船株式会社 | Methods for controlling the growth of miscellaneous bacteria in ethanol fermentation of moss |
| CN102899360B (en) * | 2012-10-17 | 2014-09-24 | 齐齐哈尔大学 | Method for producing fuel ethanol and feed protein by using college mess hall kitchen waste |
| CN103074384B (en) * | 2013-01-16 | 2015-02-25 | 北京科技大学 | Method for improving alcoholic fermentation productivity of kitchen waste preserved by bacteriostasis |
| CN103695526B (en) * | 2014-01-02 | 2015-07-29 | 华南农业大学 | A kind of hydrothermal pretreatment improves the method for changing food waste alcohol production amount |
| CN105112458B (en) * | 2015-09-12 | 2018-10-02 | 北京科技大学 | A method of alleviating the negative effect that poor liquid flows back to kitchen waste ethanol fermentation |
| CN107594082A (en) * | 2017-09-11 | 2018-01-19 | 辽宁爱普罗斯饲料有限公司 | A kind of liquid raw material fermentation wine brewing lees feedses preparation method and feeding method |
| CN108142661A (en) * | 2017-12-24 | 2018-06-12 | 吴豪 | A kind of method that ethyl alcohol, soap, feed are produced using kitchen garbage |
| CN110079560A (en) * | 2019-04-27 | 2019-08-02 | 杭州电子科技大学 | A method of alcohol fuel is prepared using expired bread fermentation |
| CN113186246A (en) * | 2020-01-14 | 2021-07-30 | 广东利世康低碳科技有限公司 | Ethanol high-yield yeast tolerant to high temperature resistance of hot peppers and verification method thereof |
| CN112225316A (en) * | 2020-09-17 | 2021-01-15 | 佛山水务环保股份有限公司 | Preparation method of landfill leachate carbon source |
-
2006
- 2006-10-24 CN CNB2006101140067A patent/CN100478437C/en not_active Expired - Fee Related
Non-Patent Citations (2)
| Title |
|---|
| 利用有机垃圾发酵生产酒精新能源的研究. 胡尚勤.可再生能源，第119卷第1期. 2005 |
| 利用有机垃圾发酵生产酒精新能源的研究. 胡尚勤.可再生能源，第119卷第1期. 2005 * |
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Application publication date: 20070418 Assignee: Nanjing Sino Shun Energy Technology Co., Ltd. Assignor: University of Science and Technology Beijing Contract record no.: 2016320000163 Denomination of invention: Method of producing fuel alcohol by kitchen garbage fermentation Granted publication date: 20090415 License type: Exclusive License Record date: 20160617 |
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Inventor after: Ma Hongzhi Inventor after: Gao Ming Inventor after: Yan Hui Inventor after: Gong Lijuan Inventor after: Wang Qunhui Inventor before: Wang Qunhui Inventor before: Yan Hui Inventor before: Ma Hongzhi Inventor before: Gong Lijuan |
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Granted publication date: 20090415 Termination date: 20171024 |