CN1437864A - Process of making high-concentration waste liquid of aginomoto convert into fodder protein - Google Patents
Process of making high-concentration waste liquid of aginomoto convert into fodder protein Download PDFInfo
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- CN1437864A CN1437864A CN03103262A CN03103262A CN1437864A CN 1437864 A CN1437864 A CN 1437864A CN 03103262 A CN03103262 A CN 03103262A CN 03103262 A CN03103262 A CN 03103262A CN 1437864 A CN1437864 A CN 1437864A
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- waste liquid
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- glutamic acid
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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
Abstract
The technological process for converting the high-concentration waste liquid produced in the course of nanosodium glutamate into feed protein includes: separating primary waste liquid after the glutamic acid is extracted to remove glutamic acid thallus; evaporating and concentrating secondary waste liquid to make the glutamic acid content be 15-20%, adopting refrigerating isoelectric method to treat slurry liquid and make secondary extraction of glutamic acid, and directly adding the tertiary waste liquor into biological reactor, heating to 32-36 deg.C, inoculating yeast, making constant temperature ventilated fermentation, when the thallus concentration is reached to dry weight 22-28g/L, the completely-fermented liquid is overflowed from outlet, dewatering and drying by means of drying machine or press-filtering machine and pulverizing. Its yield can be up to above 95.3%.
Description
[technical field]
The invention belongs to technical field of waste water processing, relate to the technology that a kind of monosodium glutamate high-concentration waste liquid is converted into forage protein.
[background technology]
The trans-utilization technology of present monosodium glutamate high-concentration waste liquid, the one, adopt the technology that concentrates back composting material, promptly adopt the waste water after ion-exchange (from the friendship method) the second extraction bran acid (glutamic acid) to carry out triple effect or four-effect evaporator evaporation and concentration, the condensed water reuse, waste liquid adds phosphorus, potassium and organic matter after being concentrated to certain Baume degrees, mix, stir and make composite organic fertilizer, to eliminate the pollution sources of high-concentration waste water.This process structure complexity, it is many to consume raw material (as the concentrated sulfuric acid, liquefied ammonia, resin cation), the processing cost height, the composite organic fertilizer sulfur-bearing acid group height of making, acid strong, be only applicable to northern salt-soda soil, use this fertilizer easily to make soil compaction for southern acid ground, pollution sources are transferred to the farmland, and result of use is restricted.The 2nd, the process for cleanly preparing technology of the monosodium glutamate closed cycle that light industry institute in Wuxi proposes, its technical essential are that the waste liquid that extracts after the bran acid recycles, but of long duration, cycle-index is many, extract bran acid quality and descend to some extent certainly.
[summary of the invention]
The object of the invention is to overcome the problem that prior art exists, and utilizes biofermentation technique, and design provides a kind of technical scheme of monosodium glutamate high-concentration waste liquid trans-utilization.
Described monosodium glutamate high-concentration waste liquid is converted into the technology of forage protein, it is characterized in that comprising following processing step:
1) glutami acid fermentation liquor adopts the freezing one-level waste liquid that waits after electrical method extracts glutamic acid, removes aminoglutaminic acid thalline through separation, and the aminoglutaminic acid thalline drying makes mycoprotein.
2) secondary waste liquid evaporation and concentration to the glutamic acid content of the preceding step being removed behind the aminoglutaminic acid thalline is 15-20%, and its slurries adopt the freezing electrical method second extraction glutamic acid that waits.
3) three grades of waste liquids behind second extraction glutamic acid, directly add bioreactor, be heated to 32-36 ℃, insert barms, carry out the constant temperature ventilating fermentation, when cell concentration reached dry weight 22-28g/L, its fermenting-ripening liquid began to overflow from discharging opening, the waste liquid Continuous Flow adds simultaneously, constitutes continuous circulating fermentation.
Described barms is candida tropicalis (Candida Tropicalis Berkhout).
4) fermenting-ripening liquid drying machine or filter press dehydrate, and make forage protein after the pulverizing, the filtrate cycle reuse.
After this technology is once extracted bran acid with glutami acid fermentation liquor, adopt and concentrate---protein method replaces from friendship---fertilizer law, fertilizer law is close or slightly high not only to concentrate---protein method extract the yield of bran acid with from friendship---, total recovery reaches more than 95.3%, and the cost of reducing investment outlay greatly, reduce the consumption of the concentrated sulfuric acid, saved the consumption of raw materials of liquefied ammonia and resin cation, really accomplished the zero-emission of waste liquid.In addition, from friendship---fertilizer law reclaims, and to pay a product be organic fertilizer, and concentrate---pair product that protein method reclaims is the forage protein source of high nutrition, value ratio organic fertilizer height, benefit increases nearly more than 2 times.
[specific embodiment]
With extracting the one-level waste liquid (containing residual bran acid about 2.7%) of bran acid for the first time, remove aminoglutaminic acid thalline through methods such as centrifugation, ultrafiltration or flocculations earlier, the aminoglutaminic acid thalline drying makes mycoprotein.Its secondary waste liquid adopts the quadruple effect evaporation concentrator to carry out evaporation and concentration, and condensed water reclaims with condenser, circulating and recovering.When the bran acid content is concentrated to 15-20%, behind the preferred 18-20%, adopts and freezingly waits the acid of electrical method second extraction bran, or the bran acid content be concentrated to about 15% carry out continuous freezing wait after the electricity extraction concentrated again.Secondary bran acid extractants rate can reach 19-21%, and total recovery rate can reach more than 95%.Three grades of waste liquids after extracting the acid of secondary bran, directly join in the bioreactor through gravity tank, its initial loading amount is the 40-60% of total capacity, preferred 45-55%, open centrifugal pump motor, make waste liquid heater via in outer circulation be heated to 32-36 ℃, preferred 34-36 ℃, insert barms by the bacterial classification culture tank, carry out ferment at constant temperature production, a large amount of outer air are continuously from sucking, dissolve in the waste liquid through high dissolving device, supply with the required dissolved oxygen of saccharomycete growth continuously, treat that cell concentration reaches about dry weight 8-10g/L, beginning waste liquid Continuous Flow adds, irregularly replenish barms simultaneously, when cell concentration reaches dry weight 22-28g/L, preferred 24-26g/L, ripe liquid begins to overflow from discharging opening, flows into ripe jar, directly send into the double drum drier oven dry with pump then, perhaps directly with being pumped into the filter press dehydration, filter cake is sent into the dry oven dry of fluid bed dryer, filtrate is got back to the gravity tank reuse, the protein content of the forage protein that makes through pulverizing reaches more than 50%, thereby makes the comprehensive digestibility and utilization of high-concentration waste liquid.
Freezing electrical method extraction bran acid technology, the bioreactor equipment that continuously ferments, the barms of waiting involved in the present invention is general known technology, do not giving unnecessary details at this.
Above-mentioned monosodium glutamate high-concentration waste liquid is converted into the technology of forage protein, finally reaches the zero-emission of high-concentration waste liquid, has solved the unmanageable problem of monosodium glutamate high-concentration waste liquid, is a kind of process for cleanly preparing technology in glutamate production field.
Claims (7)
1. the monosodium glutamate high-concentration waste liquid is converted into the technology of forage protein, it is characterized in that comprising following processing step:
1) glutami acid fermentation liquor adopts the freezing one-level waste liquid that waits after electrical method extracts glutamic acid, removes aminoglutaminic acid thalline through separation, and the aminoglutaminic acid thalline drying makes mycoprotein,
2) secondary waste liquid evaporation and concentration to the glutamic acid content of the preceding step being removed behind the aminoglutaminic acid thalline is 15-20%, and its slurries adopt the freezing electrical method second extraction glutamic acid that waits,
3) three grades of waste liquids behind second extraction glutamic acid, directly add bioreactor, be heated to 32-36 ℃, insert barms, carry out the constant temperature ventilating fermentation, when cell concentration reaches dry weight 22-28g/L, its fermenting-ripening liquid begins to overflow from discharging opening, the waste liquid Continuous Flow adds simultaneously, constitutes continuous circulating fermentation
Described barms is candida tropicalis (Candida Tropicalis Berkhout),
4) fermenting-ripening liquid drying machine or filter press dehydrate, and make forage protein after the pulverizing, the filtrate cycle reuse.
2. monosodium glutamate high-concentration waste liquid as claimed in claim 1 is converted into the technology of forage protein, it is characterized in that three grades of waste liquids add bioreactor, its initial loading amount is the 40-60% of total capacity, heater via is heated to 32-36 ℃ in outer circulation, insert barms, carry out the constant temperature ventilating fermentation, begin the waste liquid Continuous Flow and add when cell concentration reaches dry weight 8-12g/L, fermenting-ripening liquid begins to overflow from discharging opening when cell concentration reaches dry weight 22-28g/L.
3. monosodium glutamate high-concentration waste liquid as claimed in claim 1 is converted into the technology of forage protein, it is characterized in that the aminoglutaminic acid thalline in the one-level waste liquid adopts the method separation of centrifugation, ultrafiltration or flocculation to remove.
4. monosodium glutamate high-concentration waste liquid as claimed in claim 1 is converted into the technology of forage protein, it is characterized in that the secondary waste liquid adopts quadruple effect evaporation concentrator evaporation and concentration.
5. monosodium glutamate high-concentration waste liquid as claimed in claim 1 is converted into the technology of forage protein, it is characterized in that secondary waste liquid evaporation and concentration to glutamic acid content is 18-20%.
6. monosodium glutamate high-concentration waste liquid as claimed in claim 1 or 2 is converted into the technology of forage protein, it is characterized in that three grades of waste liquids add bioreactors after, insert barms when being heated to 34-36 ℃.
7. monosodium glutamate high-concentration waste liquid as claimed in claim 1 or 2 is converted into the technology of forage protein, and when it is characterized in that cell concentration reaches dry weight 24-26g/L, fermenting-ripening liquid begins to overflow from discharging opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031032621A CN1241489C (en) | 2003-01-28 | 2003-01-28 | Process of making high-concentration waste liquid of aginomoto convert into fodder protein |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031032621A CN1241489C (en) | 2003-01-28 | 2003-01-28 | Process of making high-concentration waste liquid of aginomoto convert into fodder protein |
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| Publication Number | Publication Date |
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| CN1437864A true CN1437864A (en) | 2003-08-27 |
| CN1241489C CN1241489C (en) | 2006-02-15 |
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| CNB031032621A Expired - Fee Related CN1241489C (en) | 2003-01-28 | 2003-01-28 | Process of making high-concentration waste liquid of aginomoto convert into fodder protein |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100425152C (en) * | 2006-04-25 | 2008-10-15 | 河北梅花味精集团有限公司 | Method of producing feed yeast by utilizing waste liquid in prodn. procedue of gourmet powder |
| CN1916155B (en) * | 2006-09-08 | 2010-11-24 | 中国水稻研究所 | Method for preparing fermention medium, and producing biological pesticide by using wastewater from fermentation |
| CN102071152A (en) * | 2010-11-09 | 2011-05-25 | 诸城东晓生物科技有限公司 | Method for recovering yeast in fermented erythritol liquor |
| CN102578369A (en) * | 2011-12-30 | 2012-07-18 | 梅花生物科技集团股份有限公司 | Method for preparing feed by using waste liquor generated in the process of producing L-glutamine |
| CN101731450B (en) * | 2009-12-21 | 2012-08-22 | 江苏联海生物科技有限公司 | Preparation method of single cell protein feed by taking acetone butanol fermentation wastewater as raw materials |
| CN103642707A (en) * | 2013-12-03 | 2014-03-19 | 湖北工业大学 | Method for producing candida for feeds by fermenting high-salt-content amino acid wastewater |
| CN105230966A (en) * | 2015-09-30 | 2016-01-13 | 河南科技大学 | Fermented feed for animals, and preparation method thereof |
-
2003
- 2003-01-28 CN CNB031032621A patent/CN1241489C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100425152C (en) * | 2006-04-25 | 2008-10-15 | 河北梅花味精集团有限公司 | Method of producing feed yeast by utilizing waste liquid in prodn. procedue of gourmet powder |
| CN1916155B (en) * | 2006-09-08 | 2010-11-24 | 中国水稻研究所 | Method for preparing fermention medium, and producing biological pesticide by using wastewater from fermentation |
| CN101731450B (en) * | 2009-12-21 | 2012-08-22 | 江苏联海生物科技有限公司 | Preparation method of single cell protein feed by taking acetone butanol fermentation wastewater as raw materials |
| CN102071152A (en) * | 2010-11-09 | 2011-05-25 | 诸城东晓生物科技有限公司 | Method for recovering yeast in fermented erythritol liquor |
| CN102578369A (en) * | 2011-12-30 | 2012-07-18 | 梅花生物科技集团股份有限公司 | Method for preparing feed by using waste liquor generated in the process of producing L-glutamine |
| CN102578369B (en) * | 2011-12-30 | 2013-08-28 | 通辽梅花生物科技有限公司 | Method for preparing feed by using waste liquor generated in the process of producing L-glutamine |
| CN103642707A (en) * | 2013-12-03 | 2014-03-19 | 湖北工业大学 | Method for producing candida for feeds by fermenting high-salt-content amino acid wastewater |
| CN105230966A (en) * | 2015-09-30 | 2016-01-13 | 河南科技大学 | Fermented feed for animals, and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN1241489C (en) | 2006-02-15 |
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Assignee: Zhejiang Tianke High-Tech Development Co., Ltd. Assignor: Jin Xinmei Contract fulfillment period: 2008.11.18 to 2016.11.17 contract change Contract record no.: 2008330002433 Denomination of invention: Process of making high-concentration waste liquid of aginomoto convert into fodder protein Granted publication date: 20060215 License type: Exclusive license Record date: 20081126 |
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Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.11.18 TO 2016.11.17; CHANGE OF CONTRACT Name of requester: ZHEJIANG PROVINCE TIANKE HIGH-TECH DEVELOPMENT CO. Effective date: 20081126 |
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Granted publication date: 20060215 Termination date: 20130128 |