CN114686295A - Separation and purification process for amino acid liquor of animals died of diseases - Google Patents
Separation and purification process for amino acid liquor of animals died of diseases Download PDFInfo
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- CN114686295A CN114686295A CN202011628017.3A CN202011628017A CN114686295A CN 114686295 A CN114686295 A CN 114686295A CN 202011628017 A CN202011628017 A CN 202011628017A CN 114686295 A CN114686295 A CN 114686295A
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B1/00—Production of fats or fatty oils from raw materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
- C11B3/001—Refining fats or fatty oils by a combination of two or more of the means hereafter
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- Oil, Petroleum & Natural Gas (AREA)
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Abstract
The invention relates to a separation and purification process of amino acid liquor of animals died of diseases. The method comprises the working procedures of preheating system, pretreatment, pre-separation, premixing and separation and purification. The treatment process has the advantages of simple and convenient operation, no pollution, safe and reliable treatment process, and the produced product has the advantages of low oil content of amino acid liquid, low viscosity of amino acid liquid, good color of amino acid liquid, low acid value of oil, high added value of the product and the like.
Description
Technical Field
The invention relates to the field of harmless treatment of animals died of diseases, in particular to a separation and purification process of amino acid liquor of the animals died of diseases.
Background
With the rapid rise of the harmless treatment industry of animals died of illness, the harmless treatment method of the animals died of illness is avoided more and more appearing, the high-temperature preparation method has the problems of large heat energy loss, more waste water, difficult treatment, standard reaching, difficult treatment of odor and the like, and the acidolysis method has the problems of zero discharge of production waste water, easy collection and treatment of odor, difficult separation of grease, large difficulty in material separation and purification, strong acidity and the like. Therefore, how to solve the problem of the acidolysis treatment process is the first technical problem which needs to be solved urgently in the emerging industry of innocent treatment of animals died of diseases.
Disclosure of Invention
The invention aims to provide a process for separating and purifying amino acid liquor of animals died of diseases, which has the advantages of simple and convenient operation, no pollution, safe and reliable treatment process, low oil content of amino acid liquor, low viscosity of amino acid liquor, good color of amino acid liquor, low acid value of oil, high added value of products and the like.
The invention also aims to provide the process for separating and purifying the amino acid solution of the animal died of diseases.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a separation and purification process of amino acid liquor of animals died of illness comprises a preheating system, pretreatment, pre-separation, premixing and separation and purification processes, wherein:
(1) preheating system procedure
Conveying the amino acid stock solution subjected to acidolysis in the reaction kettle to a preheating system, heating to 75-96 ℃, pressurizing to 0.02-0.4 MPa through air, maintaining the pressure for 0.2-2 h, conveying the oil to a centrifuge through an oil pouring port, centrifuging for 2-21 min through 6000-16000 r/min, washing and centrifuging the oil for 3 times through hot water at 70-100 ℃, conveying the oil to an oil storage tank, and conveying the amino acid stock solution to the next process;
(2) a pretreatment procedure:
treating the amino acid stock solution at the outlet of the step (1) by 10-50 um micro-bubbles, filtering and extruding the suspended matters, conveying the filtered and extruded suspended matters to a product warehouse, mixing the liquid phase by a medicament for 1min, treating the mixed solution by 10-50 um micro-bubbles, and conveying the treated mixed solution to a pre-separation step;
(3) a pre-separation process:
conveying the liquid-phase material in the step (2) to a centrifuge of a pre-separation step, centrifuging for 2-21 min at 6000-16000 r/min by the centrifuge, conveying the suspension to a product warehouse after filtering and extruding, and filtering the liquid phase by a filter screen of 500-8000 meshes to obtain an amino acid clear solution;
(4) premixing, separating and purifying:
adding eggshell powder into the amino acid clear liquid in the step (3), adjusting the pH value of the amino acid clear liquid to 5.5, centrifuging for 2-21 min by a centrifuge of 6000-16000 r/min, conveying the suspension to a product warehouse after filtering and extruding, and filtering the liquid phase by a filter screen of 500-8000 meshes to obtain the amino acid liquid.
The invention has the beneficial effects that:
(1) after heat treatment and pressure treatment, three-phase primary separation of oil-water residue in the amino acid stock solution can be promoted, and after separation and purification treatment of the oil, the acid value of the oil is obviously reduced, and the quality of the oil is obviously improved;
(2) after the amino acid stock solution is treated by the microbubbles, the content of suspended matters in the amino acid stock solution is further improved, the treatment difficulty is reduced for further removing the suspended matters in the amino acid stock solution, meanwhile, the treatment effect of the medicament is obviously improved, and powerful support is provided for improving the yield of subsequent amino acid clear liquid and the product quality;
(3) the eggshells have agricultural solid wastes, and the eggshell powder is used for replacing potassium hydroxide, so that not only is the waste effectively utilized, but also the production and operation cost is obviously reduced, and meanwhile, the problem of high acidity in the amino acid clear liquid is solved, thereby avoiding the defect of adding a large amount of alkali liquor during acid neutralization in the follow-up process and greatly reducing the project operation cost;
(4) the process overcomes the defects of acid value containing acid and high acid value of the oleic acid in the ortho-hydrolysis process, and simultaneously replaces the neutralization raw material potassium hydroxide by the eggshell powder, so that the neutralization cost is obviously reduced, the acidity in the amino acid clear liquid is further reduced, and the defect of reducing the content of the amino acid in the amino acid liquid due to the use of the potassium hydroxide in the subsequent neutralization of the amino acid clear liquid is avoided.
Detailed Description
The following description of specific embodiments of the present invention is provided in connection with examples to facilitate a better understanding of the present invention. These examples are intended to illustrate the invention and are not intended to limit the scope of the invention. Experimental procedures without specific conditions noted in the examples below, generally according to conditions conventional in the art or as suggested by the manufacturer; the raw materials, reagents and the like used are those commercially available from conventional markets and the like unless otherwise specified. Any insubstantial changes and substitutions made by those skilled in the art based on the present invention are intended to be covered by the claims.
Example 1
A process for separating and purifying amino acid liquor of animals died of diseases comprises the following steps:
(1) preheating system procedure
Conveying the amino acid stock solution subjected to acidolysis in the reaction kettle to a preheating system, heating to 80 ℃, pressurizing to 0.15MPa through air, maintaining the pressure for 0.6h, conveying the oil to a centrifuge through an oil pouring port, centrifuging for 3min at 10000r/min, washing and centrifuging the oil for 3 times at 85 ℃ in hot water, pumping the oil to an oil storage tank, and conveying the amino acid stock solution to the next process;
(2) a pretreatment procedure:
treating the amino acid stock solution at the outlet of the step (1) by using 15um micro-bubbles, filtering and extruding the suspended matters, conveying the filtered and extruded suspended matters to a product warehouse, mixing the liquid phase by using a medicament for 1min, treating the mixed solution by using the 15um micro-bubbles, and conveying the treated mixed solution to a pre-separation step;
(3) a pre-separation process:
conveying the liquid phase material in the step (2) to a centrifugal machine in a pre-separation step, centrifuging for 3min at 10000r/min by the centrifugal machine, conveying the suspension to a product warehouse after filtering and extruding, and filtering the liquid phase by a 5000-mesh filter screen to obtain an amino acid clear solution;
(4) premixing, separating and purifying:
adding eggshell powder into the amino acid clear liquid in the step (3), adjusting the pH value of the amino acid clear liquid to 5.5, centrifuging for 3min by a centrifuge at 10000r/min, filtering and extruding the suspended matters, conveying the suspended matters to a product warehouse, and filtering the liquid phase by a 5000-mesh filter screen to obtain the amino acid liquid.
Example 2
A process for separating and purifying amino acid liquor of animals died of diseases comprises the following steps:
(1) preheating system procedure
Conveying the amino acid stock solution subjected to acidolysis in the reaction kettle to a preheating system, heating to 75 ℃, pressurizing to 0.02MPa through air, maintaining the pressure for 2 hours, conveying the oil to a centrifugal machine through an oil pouring port, centrifuging for 21 minutes at 6000r/min, washing and centrifuging the oil for 3 times through hot water at 70 ℃, conveying the oil to an oil storage tank, and conveying the amino acid stock solution to the next process;
(2) a pretreatment procedure:
treating the amino acid stock solution at the outlet of the step (1) by 10um micro-bubbles, filtering and extruding the suspended matters, conveying the filtered and extruded suspended matters to a product warehouse, mixing the liquid phase by a medicament for 1min, treating the mixed solution by the 10um micro-bubbles, and conveying the treated mixed solution to a pre-separation step;
(3) a pre-separation process:
conveying the liquid phase material in the step (2) to a centrifuge of a pre-separation step, centrifuging for 21min at 6000r/min by the centrifuge, conveying the suspension to a product warehouse after filtering and extruding, and filtering the liquid phase by a 500-mesh filter screen to obtain an amino acid clear solution;
(4) premixing, separating and purifying:
adding eggshell powder into the amino acid clear liquid in the step (3), adjusting the pH value of the amino acid clear liquid to 5.5, centrifuging for 21min by a centrifuge of 6000r/min, filtering and extruding suspended matters, conveying the suspended matters to a product warehouse, and filtering a liquid phase by a 500-mesh filter screen to obtain the amino acid liquid.
Example 3
A process for separating and purifying amino acid liquor of animals died of diseases comprises the following steps:
(1) preheating system procedure
Conveying the amino acid stock solution subjected to acidolysis in the reaction kettle to a preheating system, heating to 96 ℃, pressurizing to 0.4MPa through air, maintaining the pressure for 0.2h, conveying the oil to a centrifuge through an oil pouring port, centrifuging for 2min at 16000r/min, washing and centrifuging the oil for 3 times through hot water at 100 ℃, conveying the oil to an oil storage tank, and conveying the amino acid stock solution to the next process;
(2) a pretreatment procedure:
treating the amino acid stock solution at the outlet of the step (1) by 50um micro-bubbles, filtering and extruding the suspended matters, conveying the filtered and extruded suspended matters to a product warehouse, mixing the liquid phase by a medicament for 1min, treating the mixed solution by 50um micro-bubbles, and conveying the treated mixed solution to a pre-separation step;
(3) a pre-separation process:
conveying the liquid phase material in the step (2) to a centrifuge of a pre-separation step, centrifuging for 2min at 16000r/min by the centrifuge, conveying the suspension to a product warehouse after filtering and extruding, and filtering the liquid phase by a 8000-mesh filter screen to obtain an amino acid clear solution;
(4) premixing, separating and purifying:
adding eggshell powder into the amino acid clear liquid in the step (3), adjusting the pH value of the amino acid clear liquid to 5.5, centrifuging for 2min by a centrifuge 16000r/min, filtering and extruding suspended matters, conveying to a product warehouse, and filtering a liquid phase by a 8000-mesh filter screen to obtain the amino acid liquid.
Example 4
A process for separating and purifying amino acid liquor of animals died of diseases comprises the following steps:
(1) preheating system procedure
Conveying the amino acid stock solution subjected to acidolysis in the reaction kettle to a preheating system, heating to 79 ℃, pressurizing to 0.05MPa through air, maintaining the pressure for 0.7h, conveying the oil to a centrifuge through an oil pouring port, centrifuging for 6min at 7000r/min, washing and centrifuging the oil for 3 times at 78 ℃ hot water, pumping the oil to an oil storage tank, and conveying the amino acid stock solution to the next process;
(2) a pretreatment procedure:
treating the amino acid stock solution at the outlet of the step (1) by 12um micro-bubbles, filtering and extruding the suspended matters, conveying the filtered and extruded suspended matters to a product warehouse, mixing the liquid phase by a medicament for 1min, treating the mixed solution by the 12um micro-bubbles, and conveying the treated mixed solution to a pre-separation step;
(3) a pre-separation process:
conveying the liquid phase material in the step (2) to a centrifuge of a pre-separation step, centrifuging for 6min at 7000r/min by the centrifuge, conveying the suspension to a product warehouse after filtering and extruding, and filtering the liquid phase by a 800-mesh filter screen to obtain an amino acid clear solution;
(4) premixing and separating purification process:
adding eggshell powder into the amino acid clear liquid in the step (3), adjusting the pH value of the amino acid clear liquid to 5.5, centrifuging for 6min by a centrifuge 7000r/min, filtering and extruding the suspended matters, conveying the suspended matters to a product warehouse, and filtering the liquid phase by a 800-mesh filter screen to obtain the amino acid liquid.
Example 5
A process for separating and purifying amino acid liquor of animals died of diseases comprises the following steps:
(1) preheating system procedure
Conveying the amino acid stock solution subjected to acidolysis in the reaction kettle to a preheating system, heating to 81 ℃, pressurizing to 0.16MPa by air, maintaining the pressure for 1h, conveying the grease to a centrifugal machine through a grease pouring port, centrifuging for 8min at 9000r/min, washing and centrifuging the grease for 3 times by hot water at 83 ℃, pumping the grease to an oil storage tank, and conveying the amino acid stock solution to the next working procedure;
(2) a pretreatment procedure:
treating the amino acid stock solution at the outlet of the step (1) by 19um micro-bubbles, filtering and extruding the suspended matters, conveying the filtered and extruded suspended matters to a product warehouse, mixing the liquid phase by a medicament for 1min, treating the mixed solution by 19um micro-bubbles, and conveying the treated mixed solution to a pre-separation step;
(3) a pre-separation process:
conveying the liquid phase material in the step (2) to a centrifuge of a pre-separation step, centrifuging for 8min at 9000r/min by the centrifuge, conveying the suspension to a product warehouse after filtering and extruding, and filtering the liquid phase by a 1000-mesh filter screen to obtain an amino acid clear solution;
(4) premixing and separating purification process:
adding eggshell powder into the amino acid clear liquid in the step (3), adjusting the pH value of the amino acid clear liquid to 5.5, centrifuging for 8min by a centrifuge at 9000r/min, filtering and extruding the suspended matters, conveying the suspended matters to a product warehouse, and filtering the liquid phase by a 1000-mesh filter screen to obtain the amino acid liquid.
Example 6
A process for separating and purifying amino acid liquor of animals died of diseases comprises the following steps:
(1) preheating system procedure
Conveying the amino acid stock solution subjected to acidolysis in the reaction kettle to a preheating system, heating to 85 ℃, pressurizing to 0.2MPa through air, maintaining the pressure for 1h, conveying the oil to a centrifugal machine through an oil pouring port, centrifuging for 15min at 11000r/min, washing and centrifuging the oil for 3 times through hot water at 83 ℃, pumping the oil to an oil storage tank, and conveying the amino acid stock solution to the next process;
(2) a pretreatment procedure:
treating the amino acid stock solution at the outlet of the step (1) by 26um micro-bubbles, filtering and extruding the suspended matters, conveying the filtered and extruded suspended matters to a product warehouse, mixing the liquid phase by a medicament for 1min, treating the mixed solution by the 26um micro-bubbles, and conveying the treated mixed solution to a pre-separation step;
(3) a pre-separation process:
conveying the liquid-phase material in the step (2) to a centrifuge of a pre-separation step, centrifuging for 15min at 11000r/min by the centrifuge, conveying the suspension to a product warehouse after filtering and extruding, and filtering the liquid phase by a 2000-mesh filter screen to obtain an amino acid clear solution;
(4) premixing, separating and purifying:
adding eggshell powder into the amino acid clear liquid in the step (3), adjusting the pH value of the amino acid clear liquid to 5.5, centrifuging for 15min by a centrifuge of 11000r/min, filtering and extruding suspended matters, conveying the suspended matters to a product warehouse, and filtering a liquid phase by a 1000-mesh filter screen to obtain the amino acid liquid.
Example 7
A process for separating and purifying amino acid liquor of animals died of diseases comprises the following steps:
(1) preheating system procedure
Conveying the amino acid stock solution subjected to acidolysis in the reaction kettle to a preheating system, heating to 93 ℃, pressurizing to 0.35MPa through air, maintaining the pressure for 1.6h, conveying the oil to a centrifuge through an oil pouring port, centrifuging for 19min at 15000r/min, washing and centrifuging the oil for 3 times through hot water at 96 ℃, conveying the oil to an oil storage tank, and conveying the amino acid stock solution to the next process;
(2) a pretreatment procedure:
treating the amino acid stock solution at the outlet of the step (1) by 41um micro-bubbles, filtering and extruding suspended matters, conveying the filtered and extruded suspended matters to a product warehouse, mixing the liquid phase by a medicament for 1min, treating the mixed solution by 41um micro-bubbles, and conveying the treated mixed solution to a pre-separation step;
(3) a pre-separation process:
conveying the liquid phase material in the step (2) to a centrifuge of a pre-separation step, centrifuging for 19min at 1500r/min by the centrifuge, conveying the suspension to a product warehouse after filtering and extruding, and filtering the liquid phase by a 7000-mesh filter screen to obtain an amino acid clear solution;
(4) premixing, separating and purifying:
and (4) adding eggshell powder into the amino acid clear liquid in the step (3), adjusting the pH value of the amino acid clear liquid to 5.5, centrifuging for 19min by a centrifuge at 15000r/min, filtering and extruding suspended matters, conveying the suspended matters to a product warehouse, and filtering a liquid phase by a 7000-mesh filter screen to obtain the amino acid liquid.
Example 8
A process for separating and purifying amino acid liquor of animals died of diseases comprises the following steps:
(1) preheating system procedure
Conveying the amino acid stock solution subjected to acidolysis in the reaction kettle to a preheating system, heating to 89 ℃, pressurizing to 0.3MPa through air, maintaining the pressure for 1.3h, conveying the oil to a centrifuge through an oil discharge port, centrifuging for 16min at 14000r/min, washing and centrifuging the oil for 3 times through hot water at 90 ℃, conveying the oil to an oil storage tank, and conveying the amino acid stock solution to the next process;
(2) a pretreatment procedure:
treating the amino acid stock solution at the outlet of the step (1) by 33um micro-bubbles, filtering and extruding the suspended matters, conveying the filtered and extruded suspended matters to a product warehouse, mixing the liquid phase by a medicament for 1min, treating the mixed solution by the 33um micro-bubbles, and conveying the treated mixed solution to a pre-separation step;
(3) a pre-separation process:
conveying the liquid phase material in the step (2) to a centrifuge of a pre-separation step, centrifuging for 16min at 14000r/min, conveying the suspension to a product warehouse after filtering and extruding, and filtering the liquid phase through a 6000-mesh filter screen to obtain an amino acid clear solution;
(4) premixing, separating and purifying:
adding eggshell powder into the amino acid clear liquid in the step (3), adjusting the pH value of the amino acid clear liquid to 5.5, centrifuging for 16min by a centrifuge of 14000r/min, filtering and extruding suspended matters, conveying the suspended matters to a product warehouse, and filtering a liquid phase by a 6000-mesh filter screen to obtain the amino acid liquid.
The oil acid value, the amino acid content, the pH value of the amino acid liquid and the oil content in the amino acid liquid of the amino acid liquid separation and purification process for the animals died of illness prepared in the embodiment 1-8 are characterized, the oil acid value and the amino acid content are tested according to GB/T5009.229-2016 and GB/T14965, and the test results are shown in the following Table 1.
TABLE 1 product of amino acid solution separation and purification process for animals died of illness prepared in examples 1-8
As can be seen from table 1 above, the amino acid solution separation and purification process for animals died of illness prepared in the embodiments of the present invention has low fatty acid value, high amino acid content, weak pH of amino acid solution, and low fatty content in amino acid solution, which indicates that the amino acid solution separation and purification process for animals died of illness prepared from the raw materials provided by the present invention has low fatty acid value, high amino acid content, weak pH of amino acid solution, and low fatty content in amino acid solution.
While the foregoing is directed to the preferred embodiment of the present invention, it will be appreciated by those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (3)
1. The process for separating and purifying the amino acid liquor of the animals died of the disease is characterized by comprising the working procedures of preheating system, pretreatment, preseparation, premixing and separation and purification, wherein:
(1) preheating system procedure
Conveying the amino acid stock solution subjected to acidolysis in the reaction kettle to a preheating system, heating to 75-96 ℃, pressurizing to 0.02-0.4 MPa through air, maintaining the pressure for 0.2-2 h, conveying the oil to a centrifuge through an oil pouring port, centrifuging for 2-21 min through 6000-16000 r/min, washing and centrifuging the oil for 3 times through hot water at 70-100 ℃, conveying the oil to an oil storage tank, and conveying the amino acid stock solution to the next process;
(2) a pretreatment procedure:
treating the amino acid stock solution at the outlet of the step (1) by 10-50 um micro-bubbles, filtering and extruding the suspended matters, conveying the filtered and extruded suspended matters to a product warehouse, mixing the liquid phase by a medicament for 1min, treating the mixed solution by 10-50 um micro-bubbles, and conveying the treated mixed solution to a pre-separation step;
(3) a pre-separation process:
conveying the liquid-phase material in the step (2) to a centrifuge of a pre-separation step, centrifuging for 2-21 min at 6000-16000 r/min by the centrifuge, conveying the suspension to a product warehouse after filtering and extruding, and filtering the liquid phase by a filter screen of 500-8000 meshes to obtain an amino acid clear solution;
(4) premixing, separating and purifying:
adding eggshell powder into the amino acid clear liquid in the step (3), adjusting the pH value of the amino acid clear liquid to 5.5, centrifuging for 2-21 min by a centrifuge of 6000-16000 r/min, conveying the suspension to a product warehouse after filtering and extruding, and filtering the liquid phase by a filter screen of 500-8000 meshes to obtain the amino acid liquid.
2. The process for separating and purifying amino acid solution of animals died of diseases as claimed in claim 1, wherein the pharmaceutical agent is one or more of protein, polyaluminium chloride and its derivatives, glycoprotein, cellulose and its derivatives, polyacrylamide and its derivatives, ferric sulfate and its derivatives, aluminum sulfate and its derivatives, and mucopolysaccharide.
3. The process for separating and purifying amino acid liquor of animals died of illness according to claim 1, characterized in that the eggshell powder is eggshell, wherein the organic matter mass content is less than or equal to 0.5%.
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