CN101168515A - Technique for utilizing glutamic acid production waste liquid - Google Patents
Technique for utilizing glutamic acid production waste liquid Download PDFInfo
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- CN101168515A CN101168515A CNA2007101143869A CN200710114386A CN101168515A CN 101168515 A CN101168515 A CN 101168515A CN A2007101143869 A CNA2007101143869 A CN A2007101143869A CN 200710114386 A CN200710114386 A CN 200710114386A CN 101168515 A CN101168515 A CN 101168515A
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Abstract
The invention discloses a glutamic acid waste liquid utilization technology, and has the key technology that the Alpha-glutamic acid is segregated after the glutamic acid in the fermentation liquor is segregated in the isoelectric point method; Then, the clear liquid after the segregation of the glutamic acid is concentrated by times, and the glutamic acid in the concentrated solution is extracted in the ion exchange method; the high flow after the ion exchange is used for the extraction of the glutamic acid through the isoelectric point method, after liquid ammonia is filled into one part of rear flow is used to elute the glutamic acid attached on the ion exchange resin, and the other part is used for ingredient fermentation; after the protein is removed in the rear flow, the ammonium sulfate concentration extraction is performed, one part of the clear liquid after the extraction of the ammonium sulfate is used for compound fertilizer manufacture, and the other part is used for ingredient fermentation after phosphoric acid hydrolization. The invention solves the problem of the drainage of the waste water produced in the glutamic acid production, the production cost is reduced, the economic benefit is enhanced, the circulation utilization of the resources is realized, and the invention provides a new technology in the utilization of the water fluid produced in glutamic acid production.
Description
Technical field the invention belongs to the L-glutamic acid production technical field, is specifically related to a kind of technology of utilizing of glutamic acid production waste liquid.
Background technology is present, and domestic many producers adopt iso-electric point-ion exchange method to extract L-glutamic acid.This method is that fermented liquid is after waiting electrical method extraction L-glutamic acid, adopt single-column or twin columns method again, the iso-electric point mother liquor is exchanged by ion exchange resin column, use the L-glutamic acid on the alkali lye wash-out resin then, collect high flow point, it is mixed with the next batch fermented liquid, extract L-glutamic acid with isoelectric point method again.Although this extraction process can overcome the low shortcoming of isoelectric point method extract yield, can produce a large amount of waste water, the consumption of sulfuric acid and liquefied ammonia is higher, produces a large amount of fermented waste fluids, and the problem of environmental pollution is more serious.Based on the researchist of Southern Yangtze University, worked out a new extraction technology of glutamic acid in recent years, i.e. L-glutamic acid technology is extracted in closed cycle, and this close circulation technology though reduced the discharging of waste liquid, still has to a certain degree pollution to environment.
Summary of the invention the objective of the invention is to solve the technical problem of glutamic acid production waste liquid discharging, provides a kind of technology of utilizing of glutamic acid production waste liquid, to overcome the deficiencies in the prior art.
To achieve these goals, glutamic acid production waste liquid of the present invention utilize technology, to improve on the basis of existing technology realization, its key technology is after utilizing isoelectric point to separate out the zymotic fluid Glutamic Acid, through separate α-glutamic acid, after then clear liquid being concentrated to the 15-25 Baume degrees, the glutamic acid in the ion exchange extraction concentrate, the distilled water that its main points produce when being concentrated is used for fermentation and sugaring; High flow point through ion exchange extraction glutamic acid gained mixes employing isoelectric point method extraction glutamic acid with zymotic fluid; The a part of topping up ammonia of the rear stream of gained, for the glutamic acid that adsorbs on the wash-out ion exchange column, stream is added to fermentation tank except behind the thalline through sterilization and raw material mixed flow behind another part; The wake flow of gained is except behind the mycoprotein, concentrate ammonium sulfate; Clear liquid behind the extraction ammonium sulfate, a part is used for making fertilizer, and another part phosphoric acid hydrolysis is hydrolyzed separating obtained solid content and is used for making fertilizer, and clear liquid is used for the batching of fermenting, and concentrates to generate to such an extent that distilled water is prepared burden and sugaring for fermentation.
The technological operation main points of utilizing of glutamic acid production waste liquid of the present invention are:
1) stream is except using during the fermentation behind the thalline after, and rear stream also has the nutriment that does not consume in sugar, other amino acid, enzyme and the fermentation batching except containing part glutamic acid, after its conventional sterilization, be added to fermentation tank at thalli growth middle and later periods stream;
2) distilled water use in sugaring, fermentation are prepared burden of the concentrated generation of clear liquid behind the isoelectric point method extraction L-glutamic acid, double-enzyme method sugar making will be used behind its adjusting starch milk in clear liquid distilled water pH3.2～3.5; Replace tap water to be used for the fermentation batching clear liquid distilled water;
3) clear liquid that extracts ammonium sulfate uses in preparation composite fertilizer, after the clear liquid concentration of extracting ammonium sulfate reaches 16 degree Beaume, directly as the organic raw material of making composite fertilizer, with flyash, phosphorous acid, Repone K, clay, ammonium sulfate compound, explained hereafter composite fertilizer routinely; When filter liquor concentration is lower than 16 degree Beaume, be driven in the hydrolytic decomposition pot with pump, add the strong phosphoric acid of 50～70% volume ratios, be warming up to 100～110 ℃ then, Plate Filtration is used in hydrolysis 1～2 hour again, and filtrate is used for the fermentation batching, and filter residue is used to make composite fertilizer.
Glutamic acid production waste liquid of the present invention utilizes technology, mainly start with from separation, extraction and the gained waste liquid of L-glutamic acid, use for reference the experience that forefathers obtain, solved the emission problem of waste liquid during L-glutamic acid is produced, reduced production cost, improved economic benefit, realized the resource circulation utilization, the waste liquid recycle path that provides a kind of L-glutamic acid to produce.
Glutamic acid production waste liquid of the present invention utilize technology, behind too much repeating query ring, prove theoretically the waste liquid recycle utilization that whole glutamic acid is produced, the beneficial effect of comparing with traditional glutamic acid production technology is:
1) reduced the load of ion exchange extraction glutamic acid, reuse most of waste liquid of forming in producing of glutamic acid, alleviated the pollution to environment;
2) caramel in the production process, polysaccharide accumulation and other amino acid whose accumulation problems have been solved;
3) having reduced the contamination level that system composite fertilizer causes, mainly is to have reduced the material quantity that is used to make composite fertilizer;
4) realized the recycle of waste water, turned waste into wealth;
5), in the whole technology, except that main products L-glutamic acid, also produce crystalline sulfuric acid ammonium, high-protein feed additive and concentrated fertilizer;
6), reduce the consumption of sulfuric acid and liquefied ammonia, reduced production cost.
Appended drawings is that glutamic acid production waste liquid of the present invention utilizes technology circulating path synoptic diagram.
The specific embodiment is with reference to accompanying drawing, and the distilled water that produces with production process is adjusted to 16 Baume degrees with starch, after sizing mixing, adopts the two enzymes method hydrolysis to generate glucose, is used for the fermentation batching; With the distilled water that production process produces, dissolve other raw material after, with the liquid glucose mixed preparing required culture medium that ferments, zymotic fluid enters the closed cycle circle in a batch mode, regulate earlier the pH to 1.9 of zymotic fluid, after the glutamic acid isoelectric point in the zymotic fluid is separated out, through separate α-glutamic acid; After will separating then clear liquid behind the glutamic acid and being concentrated into 20 Baume degrees, with sulphur acid for adjusting pH to 1.9, pump is in ion exchange column, the glutamic acid of employing twin columns method in the highly acidic resin Adsorption Concentration liquid, adsorb saturated after, the glutamic acid that adsorbs on the rear stream wash-out resin with topping up ammonia except the rear stream stream after thalline and the sterilization is added on the sweat of thalli growth middle and later periods, utilizes the growth of thalline again to consume the materials such as sugar in the rear stream, amino acid; High flow point after the ion-exchange is used for isoelectric point method and extracts glutamic acid; For the glutamic acid that adsorbs on the wash-out ion exchange resin, another part is used for the fermentation batching behind a part of topping up ammonia of rear stream; Wake flow is carried ammonium sulfate except concentrating behind the albumen, and the clear liquid part behind the extraction ammonium sulfate is used for making fertilizer, and is used for the fermentation batching behind another part phosphoric acid hydrolysis; Extract the processing of concentrate behind the ammonium sulfate: with wake flow except behind the albumen through repeatedly concentrating, impurity content in the solution is higher, viscosity is big, wherein solid content is more than 40%, and contain the glutamic acid that part does not have extraction, these concentrates are driven in the hydrolytic decomposition pot with underflow pump, add the SPA of 6 0%v/v, be warming up to then 105 ℃, hydrolysis 1.5h, content of reducing sugar increases about 1.5 in the hydrolytic process, produce a small amount of filter residue, with sheet frame filter residue is filtered, contain a large amount of organic matters in this part filter residue, can be used as high-grade feed addictive, filtrate is as amylatic hydrolyzate; After clear liquid concentration reached 16 Baume degrees behind the extraction ammonium sulfate, direct Organic Ingredients as composite fertilizer processed was with flyash, phosphorous acid Yiammonia, potassium chloride, clay, ammonium sulfate compound, routinely explained hereafter composite fertilizer.
According to the foregoing description, Economic and Efficiency Analysis is as follows:
Shandong Fufeng Fermentation Co.,Ltd produces 380000 tons in L-glutamic acid, 100,000 tons of monosodium glutamates per year.Traditionally, glutamic acid per ton consumes 850 kilograms of sulfuric acid, and 450 kilograms of liquefied ammonia produce 12 side's ion exchange wastewaters.After adopting new technology of the present invention, the distilled water that production process forms is back to sugaring and fermentation batching, and ion exchange wastewater is except being used for making fertilizer the impurity of getting rid of in the circulation, and other are back to the cyclic process that glutamic acid is produced, annual nearly 200,000,000 yuan of the costs of saving, few sewer 6,000,000 sides.In addition, the economic benefit that also has byproduct of ammonium sulfate, fodder additives and fertilizer to bring.Can't estimate especially as for the environmental protection that brings, social synthesis's benefit.
Claims (1)
- A glutamic acid production waste liquid utilize technology, it is characterized in that the clear liquid after the zymotic fluid isoelectric point method extracts glutamic acid, be used for ion exchange extraction glutamic acid wherein after concentrating, the distilled water that concentration process produces is used for sugaring and fermentation batching; The glutamic acid that adsorbs on the stream topping up ammonia wash-out ion exchange resin after the part behind the ion exchange extraction glutamic acid, another part is added on the sweat of thalli growth logarithm middle and later periods except the rear stream stream behind the thalline; Be used for isoelectric point method after the height stream that forms mixes with zymotic fluid and extract glutamic acid; After wake flow removes thalline, concentration extraction ammonium sulfate; Clear liquid part behind the extraction ammonium sulfate is back to the fermentation batching with phosphoric acid hydrolysis, and another part is as the Organic Ingredients of composite fertilizer processed, with flyash, phosphorous acid Yiammonia, potassium chloride, clay, ammonium sulfate compound, routinely explained hereafter composite fertilizer.
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| CN101168515B CN101168515B (en) | 2010-08-25 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101993280A (en) * | 2009-08-10 | 2011-03-30 | 江南大学 | Method for producing compound fertilizer by using fermentation glutamate extraction waste liquor |
| CN102173881A (en) * | 2010-12-29 | 2011-09-07 | 菱花集团有限公司 | Production method of amino acid plant nutrient solution |
| CN102701507A (en) * | 2012-06-26 | 2012-10-03 | 呼伦贝尔东北阜丰生物科技有限公司 | Method for treating high-concentration wastewater of glutamic acid |
| CN104256056A (en) * | 2014-10-14 | 2015-01-07 | 内蒙古阜丰生物科技有限公司 | Animal feed prepared by glutamic acid fermentation waste |
| CN107445391A (en) * | 2017-04-19 | 2017-12-08 | 内蒙古阜丰生物科技有限公司 | A kind of method that Amino Acid Fermentation Wastewater is repaired using biochemical technology |
| CN108675530A (en) * | 2018-05-11 | 2018-10-19 | 武汉美味源生物工程有限公司 | One primary yeast effluent brine recovery and treatment method and the feed addictive obtained by this method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1103063A (en) * | 1994-02-25 | 1995-05-31 | 清华大学 | Glutaminic acid extracting new technology |
| CN1900022A (en) * | 2006-05-29 | 2007-01-24 | 山东阜丰发酵有限公司 | Process for producing biological fermented (organic-inorganic compound mixed) fertilizer from glutaminic acid fermenting waste liquid |
-
2007
- 2007-11-15 CN CN2007101143869A patent/CN101168515B/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101993280A (en) * | 2009-08-10 | 2011-03-30 | 江南大学 | Method for producing compound fertilizer by using fermentation glutamate extraction waste liquor |
| CN102173881A (en) * | 2010-12-29 | 2011-09-07 | 菱花集团有限公司 | Production method of amino acid plant nutrient solution |
| CN102701507A (en) * | 2012-06-26 | 2012-10-03 | 呼伦贝尔东北阜丰生物科技有限公司 | Method for treating high-concentration wastewater of glutamic acid |
| CN104256056A (en) * | 2014-10-14 | 2015-01-07 | 内蒙古阜丰生物科技有限公司 | Animal feed prepared by glutamic acid fermentation waste |
| CN107445391A (en) * | 2017-04-19 | 2017-12-08 | 内蒙古阜丰生物科技有限公司 | A kind of method that Amino Acid Fermentation Wastewater is repaired using biochemical technology |
| CN107445391B (en) * | 2017-04-19 | 2020-04-10 | 内蒙古阜丰生物科技有限公司 | Method for repairing amino acid fermentation wastewater by using biochemical technology |
| CN108675530A (en) * | 2018-05-11 | 2018-10-19 | 武汉美味源生物工程有限公司 | One primary yeast effluent brine recovery and treatment method and the feed addictive obtained by this method |
| CN108675530B (en) * | 2018-05-11 | 2021-04-13 | 武汉美味源生物工程有限公司 | Yeast waste brine recovery treatment method and feed additive obtained by method |
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| CN101168515B (en) | 2010-08-25 |
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Assignee: Baoji Fufeng Biotechnologies Co., Ltd. Assignor: Shandong Fufeng Biology Science & Technology Development Co., Ltd. Contract record no.: 2010610000077 Denomination of invention: Technique for utilizing glutamic acid production waste liquid Granted publication date: 20100825 License type: Exclusive License Open date: 20080430 Record date: 20101223 |
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