CN1276929C - Method for producing chitin, astaxanthin, protein, calcium powder and biological fertilizer from shrimp shell - Google Patents
Method for producing chitin, astaxanthin, protein, calcium powder and biological fertilizer from shrimp shell Download PDFInfo
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- CN1276929C CN1276929C CNB2005100503904A CN200510050390A CN1276929C CN 1276929 C CN1276929 C CN 1276929C CN B2005100503904 A CNB2005100503904 A CN B2005100503904A CN 200510050390 A CN200510050390 A CN 200510050390A CN 1276929 C CN1276929 C CN 1276929C
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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Abstract
The present invention relates to a method for producing chitin, astaxanthin, protein, calcium powder and biological fertilizer from shrimp shells, which is characterized in that the method has the following technological steps: after shrimp shells are pulverized, a composite enzyme is added for enzymolysis; organic solvent is then added for extraction; after sufficient reaction, shrimp liquid is separated from shrimp solids; the shrimp liquid is divided into hydrolysis liquid and organic liquid; the organic liquid containing the astaxanthin is vacuum concentrated to extract coarse astaxanthin; after the organic solvent is removed from the hydrolysis liquid, the hydrolysis liquid is vacuum concentrated and then spray-dried to obtain protein powder; the shrimp solids are soaked into 3 % hydrochloric acid and rinsed to obtain the finished product of chitin; CO2 gas is introduced into waste acid solution to obtain white deposition; the white deposition is filtered and baked to obtain active calcium powder; the coarse astaxanthin liquid is ultrafiltered in an ultrafilter to obtain astaxanthin; after production, phytic acid and active oligose are added to waste water to obtain organic nutrient solution to be made into biological fertilizer. The method has the advantages of reasonable technological process, no pollution, complete raw material utilization, good product quality, etc.
Description
Technical field
The present invention relates to a kind of method of producing biological products, particularly a kind of method of producing chitin, astaxanthin, protein, calcium powder and bio-feritlizer with the shrimp shell with the shrimp shell.
Background technology
Application number is 02122565.6 patent disclosure a kind ofly produces chitin, astaxanthin and method of protein with fresh shrimp shell, discloses a kind ofly to produce chitin, astaxanthin and method of protein with fresh shrimp shell.This invention is according to the difference of the contained composition of fresh shrimp shell, adopt organic acid, organic solvent extraction respectively, thereby in the preparation chitin, obtain astaxanthin and protein, this method, the output that its astaxanthin extracts is not high, not only wasted the resource in the shrimp shell, and the spent acid waste lye of discharging in process of production also can cause the pollution of environment, products obtained therefrom cost height.This method has been used chloroform, and environment is had certain pollution, and is not thorough for the recycling of waste liquid, not only caused waste, and to having produced pollution.
Summary of the invention
Technical problem to be solved by this invention provides the method that a kind of technological process is reasonable, pollution-free, prepared using complete, the usefulness shrimp shell of good product quality is produced chitin, astaxanthin, protein, calcium powder and bio-feritlizer.
It is the method that this usefulness shrimp shell is produced chitin, astaxanthin, protein, calcium powder and bio-feritlizer that the present invention solves the problems of the technologies described above the technical scheme that is adopted, and its processing step is:
1. with the shrimp shell, clean up mechanical disintegration to 5 order-10 order;
2. adding and shrimp shell weight ratio are 1 in the shrimp shell of pulverizing: the water of 1-2 adds proteolytic enzyme and carries out enzymolysis, by the shrimp shell of different varieties, the temperature of enzymolysis is 30-70 ℃, pH value is 4-8, and the time is 2-6 hour, adds the 0.4%-1% that proteolytic enzyme accounts for shrimp shell gross weight;
3. enzymolysis is warming up to the 70-100 ℃ of enzyme bacterium of going out after finishing, then cooling;
4. going out adds a kind, 2 kinds or 3 kinds of extractions in sherwood oil, acetone and the ethanol behind the enzyme bacterium, and in sherwood oil, acetone and the ethanol a kind, 2 kinds or 3 kinds of ratios with shrimp shell weight are 1: 1-2,6-12 hour postcooling of abundant airtight stirring;
5. after fully reacting, be separated into shrimp liquid and shrimp solid;
6. shrimp liquid carries out separatory, is divided into hydrolyzed solution and organic liquor, and with the organic liquor vacuum concentration extraction crude product astaxanthin of astaxanthin-containing, content is 0.5-1%;
7. the hydrolyzed solution behind the separatory, remove a kind, 2 kinds or 3 kinds in sherwood oil, acetone and the ethanol after, carrying out vacuum concentration, to reach solid content be 5%-8%, spraying drying gets protein powder;
8. in the hydrochloric acid with shrimp solid flushing cleaning immersion 3%, stirred, obtain the chitin finished product after the flushing through 4 hours-8 hours;
9. feed CO2 gas at spent acid solution, white precipitate, filtering drying gets activated calcium powder;
10. crude product astaxanthin liquid enters ultrafiltration in the ultra-fine filter, and ultra-filtration membrane is 50,000 dalton, and pressure is 3MPa, holds back the larger protein molecule, obtains astaxanthin;
1 kind, 2 kinds or 3 kinds in sherwood oil, acetone and the ethanol after produces are reclaimed, and waste water enters Da Chi and adds phytic acid and active oligose in proportion, obtains organic nutrient solution for cultivating, makes bio-feritlizer.
The amount of adding phytic acid of the present invention and active oligose is respectively 0.3 ‰ of waste water gross weight-0.5 ‰ and 0.08 ‰-0.12 ‰.
The present invention compares with prior art and has the following advantages and effect: 1, adopt prozyme, separate astaxanthin and protein, effect is obvious, helps improving percentage extraction, reduces energy consumption, reduces environmental pollution.2, adopt compounded organic solvent, help extracting astaxanthin, and easily reclaim solvent.3, adopt spraying drying can obtain high-quality protein powder.4, ultrafiltration purification astaxanthin is an important step of the present invention.5, can do liquid fertilizer after waste water downstream is handled.
Description of drawings
Fig. 1 is a technological process of production synoptic diagram of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with embodiment, and following examples are explanation of the invention and the present invention is not limited to following examples.
Embodiment 1:
100 kilograms on the huge legendary turtle shrimp shell of dirt in the shrimp is removed in flushing, mechanical disintegration to 5 order-10 order, the purpose of pulverizing is in order to reduce energy consumption, to improve yield, pouring reactor into.The water that adds 100 kilograms then in reactor carries out enzymolysis, and the temperature of enzymolysis is 30 ℃, and pH value is 4-8, and the time is 2 hours, adds by 1 kilogram of proteolytic enzyme, and the enzymolysis main purpose is with protein separation.Enzymolysis is warming up to 80 ℃ of enzyme bacterium of going out after finishing, then cooling.In reactor, add 50 kilograms of sherwood oils, 20 kilograms of acetone and 80 kilograms of ethanol again and extract 6 hours postcooling of abundant airtight stirring.Separating liquid and solid then, liquid carries out separatory, is divided into hydrolyzed solution and organic liquor, and the organic liquor of astaxanthin-containing is extracted the crude product astaxanthin through vacuum concentration, and content is 0.5%.Separatory posthydrolysis liquid, it is 8% that removal organic solvent removal organic solvent vacuum concentration reaches solid content, spraying drying gets protein powder.Solids separation post-flush cleaning is dipped in 3% the hydrochloric acid, stirred through 4 hours, after the flushing the pure white chitin finished product of color.The spent acid solution acid content is 0.8%, feeds C0
2Gas, white precipitate, filtering drying obtains activated calcium powder.Crude product astaxanthin liquid enters ultrafiltration in the ultra-fine filter, and wherein ultra-filtration membrane is 50,000 dalton, and pressure is 3MPa, holds back the larger protein molecule more than 90%, and astaxanthin passes through, and obtains highly purified astaxanthin.Waste water after the production enters among the Da Chi, adds 0.03 kilogram phytic acid and 0.008 kilogram active oligose, obtains the organic nutrient solution for cultivating of the activated N of being rich in, P, K, makes bio-feritlizer.
Embodiment 2:
200 kilograms on the huge legendary turtle shrimp shell of dirt in the shrimp is removed in flushing, mechanical disintegration to 5 order-10 order, the purpose of pulverizing is in order to reduce energy consumption, to improve yield, pouring reactor into.The water that adds 300 kilograms then in reactor carries out enzymolysis, and the temperature of enzymolysis is 60 ℃, and pH value is 4-8, and the time is 5 hours, adds by 1.6 kilograms of proteolytic enzyme, and the enzymolysis main purpose is with protein separation.Enzymolysis is warming up to 100 ℃ of enzyme bacterium of going out after finishing, then cooling.100 kilograms of sherwood oils of adding and 300 kilograms of ethanol extract 10 hours postcooling of abundant airtight stirring in reactor again.Separating liquid and solid then, liquid carries out separatory, is divided into hydrolyzed solution and organic liquor, and the organic liquor of astaxanthin-containing is extracted the crude product astaxanthin through vacuum concentration, and content is 1%.Separatory posthydrolysis liquid, it is 7% that removal organic solvent removal organic solvent vacuum concentration reaches solid content, spraying drying gets protein powder.Solids separation post-flush cleaning is dipped in 3% the hydrochloric acid, stirred through 6 hours, after the flushing the pure white chitin finished product of color.The spent acid solution acid content is 0.9%, feeds CO
2Gas, white precipitate, filtering drying obtains activated calcium powder.Crude product astaxanthin liquid enters ultrafiltration in the ultra-fine filter, and wherein ultra-filtration membrane is 50,000 dalton, and pressure is 3MPa, holds back the larger protein molecule more than 90%, and astaxanthin passes through, and obtains highly purified astaxanthin.Waste water after the production enters among the Da Chi, adds 0.12 kilogram phytic acid and 0.03 kilogram active oligose, obtains the organic nutrient solution for cultivating of the activated N of being rich in, P, K, makes bio-feritlizer.
Embodiment 3:
150 kilograms on the huge legendary turtle shrimp shell of dirt in the shrimp is removed in flushing, mechanical disintegration to 5 order-10 order, the purpose of pulverizing is in order to reduce energy consumption, to improve yield, pouring reactor into.The water that adds 300 kilograms then in reactor carries out enzymolysis, and the temperature of enzymolysis is 70 ℃, and pH value is 4-8, and the time is 6 hours, adds by 1.1 kilograms of proteolytic enzyme, and the enzymolysis main purpose is with protein separation.Enzymolysis is warming up to 70 ℃ of enzyme bacterium of going out after finishing, then cooling.In reactor, add 100 kilograms of ethanol of 50 kilograms of acetone again and extract 8 hours postcooling of abundant airtight stirring.Separating liquid and solid then, liquid carries out separatory, is divided into hydrolyzed solution and organic liquor, and the organic liquor of astaxanthin-containing is extracted the crude product astaxanthin through vacuum concentration, and content is 0.7%.Separatory posthydrolysis liquid, it is 5% that removal organic solvent removal organic solvent vacuum concentration reaches solid content, spraying drying gets protein powder.Solids separation post-flush cleaning is dipped in 3% the hydrochloric acid, stirred through 7 hours, after the flushing the pure white chitin finished product of color.The spent acid solution acid content is 0.7%, feeds CO
2Gas, white precipitate, filtering drying obtains activated calcium powder.Crude product astaxanthin liquid enters ultrafiltration in the ultra-fine filter, and wherein ultra-filtration membrane is 50,000 dalton, and pressure is 3MPa, holds back the larger protein molecule more than 90%, and astaxanthin passes through, and obtains highly purified astaxanthin.Waste water after the production enters among the Da Chi, adds 0.15 kilogram phytic acid and 0.036 kilogram active oligose, obtains the organic nutrient solution for cultivating of the activated N of being rich in, P, K, makes bio-feritlizer.
Embodiment 4:
200 kilograms on the huge legendary turtle shrimp shell of dirt in the shrimp is removed in flushing, mechanical disintegration to 5 order-10 order, the purpose of pulverizing is in order to reduce energy consumption, to improve yield, pouring reactor into.The water that adds 240 kilograms then in reactor carries out enzymolysis, and the temperature of enzymolysis is 45 ℃, and pH value is 4-8, and the time is 4 hours, adds by 0.8 kilogram of proteolytic enzyme, and the enzymolysis main purpose is with protein separation.Enzymolysis is warming up to 90 ℃ of enzyme bacterium of going out after finishing, then cooling.In reactor, add 240 kilograms of acetone again and extract 12 hours postcooling of abundant airtight stirring.Separating liquid and solid then, liquid carries out separatory, is divided into hydrolyzed solution and organic liquor, and the organic liquor of astaxanthin-containing is extracted the crude product astaxanthin through vacuum concentration, and content is 0.6%.Separatory posthydrolysis liquid, it is 5% that removal organic solvent removal organic solvent vacuum concentration reaches solid content, spraying drying gets protein powder.Solids separation post-flush cleaning is dipped in 3% the hydrochloric acid, stirred through 8 hours, after the flushing the pure white chitin finished product of color.The spent acid solution acid content is 0.6%, feed CO
2Gas, white precipitate, filtering drying obtains activated calcium powder.Crude product astaxanthin liquid enters ultrafiltration in the ultra-fine filter, and wherein ultra-filtration membrane is 50,000 dalton, and pressure is 3MPa, holds back the larger protein molecule more than 90%, and astaxanthin passes through, and obtains highly purified astaxanthin.Waste water after the production enters among the Da Chi, adds 0.096 kilogram phytic acid and 0.024 kilogram active oligose, obtains the organic nutrient solution for cultivating of the activated N of being rich in, P, K, makes bio-feritlizer.
Claims (2)
1, a kind of method of producing chitin, astaxanthin, protein, calcium powder and bio-feritlizer with the shrimp shell, it is characterized in that: processing step is:
1. with the shrimp shell, clean up mechanical disintegration to 5 order-10 order;
2. adding and shrimp shell weight ratio are 1 in the shrimp shell of pulverizing: the water of 1-2 adds proteolytic enzyme and carries out enzymolysis, by the shrimp shell of different varieties, the temperature of enzymolysis is 30-70 ℃, pH value is 4-8, and the time is 2-6 hour, adds the 0.4%-1% that proteolytic enzyme accounts for shrimp shell gross weight;
3. enzymolysis is warming up to the 70-100 ℃ of enzyme bacterium of going out after finishing, then cooling;
4. going out adds a kind, 2 kinds or 3 kinds of extractions in sherwood oil, acetone and the ethanol behind the enzyme bacterium, and in sherwood oil, acetone and the ethanol a kind, 2 kinds or 3 kinds of ratios with shrimp shell weight are 1: 1-2,6-12 hour postcooling of abundant airtight stirring;
5. after fully reacting, be separated into shrimp liquid and shrimp solid;
6. shrimp liquid carries out separatory, is divided into hydrolyzed solution and organic liquor, and with the organic liquor vacuum concentration extraction crude product astaxanthin of astaxanthin-containing, content is 0.5-1%;
7. the hydrolyzed solution behind the separatory, remove a kind, 2 kinds or 3 kinds in sherwood oil, acetone and the ethanol after, carrying out vacuum concentration, to reach solid content be 5%-8%, spraying drying gets protein powder;
8. in the hydrochloric acid with shrimp solid flushing cleaning immersion 3%, stirred, obtain the chitin finished product after the flushing through 4 hours-8 hours;
9. feed CO2 gas at spent acid solution, white precipitate, filtering drying gets activated calcium powder;
10. crude product astaxanthin liquid enters ultrafiltration in the ultra-fine filter, and ultra-filtration membrane is 50,000 dalton, and pressure is 3MPa, holds back the larger protein molecule, obtains astaxanthin;
1 kind, 2 kinds or 3 kinds in sherwood oil, acetone and the ethanol after produces are reclaimed, and waste water enters Da Chi and adds phytic acid and active oligose in proportion, obtains organic nutrient solution for cultivating, makes bio-feritlizer.
2, method of producing chitin, astaxanthin, protein, calcium powder and bio-feritlizer with the shrimp shell according to claim 1, it is characterized in that: the amount of described adding phytic acid and active oligose is respectively 0.3 ‰ of waste water gross weight-0.5 ‰ and 0.08 ‰-0.12 ‰.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100503904A CN1276929C (en) | 2005-05-20 | 2005-05-20 | Method for producing chitin, astaxanthin, protein, calcium powder and biological fertilizer from shrimp shell |
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| CNB2005100503904A CN1276929C (en) | 2005-05-20 | 2005-05-20 | Method for producing chitin, astaxanthin, protein, calcium powder and biological fertilizer from shrimp shell |
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