CN107307190A - A kind of technique of the aquatic production feed oligosaccharide of soy-bean whey - Google Patents
A kind of technique of the aquatic production feed oligosaccharide of soy-bean whey Download PDFInfo
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- CN107307190A CN107307190A CN201710687574.4A CN201710687574A CN107307190A CN 107307190 A CN107307190 A CN 107307190A CN 201710687574 A CN201710687574 A CN 201710687574A CN 107307190 A CN107307190 A CN 107307190A
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/163—Sugars; Polysaccharides
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/142—Amino acids; Derivatives thereof
- A23K20/147—Polymeric derivatives, e.g. peptides or proteins
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- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
- C13B10/00—Production of sugar juices
-
- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13K—SACCHARIDES OBTAINED FROM NATURAL SOURCES OR BY HYDROLYSIS OF NATURALLY OCCURRING DISACCHARIDES, OLIGOSACCHARIDES OR POLYSACCHARIDES
- C13K13/00—Sugars not otherwise provided for in this class
Abstract
A kind of Soybean Milk stripping produces the technique of feed oligosaccharide, comprises the following steps：After to the Soybean Milk clear water addition neutral salt for removing insoluble impurities, adjustment pH is 4.0 5.8；Gained mixed liquor is concentrated into solid phase curdled milk that separation of solid and liquid after 28 40% obtains through sterilizing and drying and obtains soybean protein；Gained liquid phase after separation of solid and liquid is added into sodium chloride 5 15%, calcium phosphate 5 15% is mixed, and adjustment pH is 7.0 7.5, obtains quenched liquid；By the quenched liquid sterilization of gained, the feed soyabean oligosaccharides are dried to obtain.The technique of the present invention can rationally utilize whey wastewater, realize that no pollution is discharged, and the oligosaccharide prepared is adapted to pig, cattle and sheep etc. and eaten, and can improve yield rate, improve immunity, instead of part antibiotic, while providing the salt needed during growth of animal.
Description
Technical field
The present invention relates to a kind of production technology of oligosaccharide, and in particular to a kind of aquatic production feed oligosaccharide of soy-bean whey
Technique.
Background technology
Soyabean oligosaccharides are the general names of low molecule carbohydrate in soybean, and its main component is stachyose, cotton seed trisaccharide and sucrose
Deng oligosaccharides, with excellent physiological function.Soyabean oligosaccharides can promote the propagation of Bifidobacterium, improve intestinal microecology ring
Border, suppresses pathogen, strengthens immunity of organisms, anticancer and antitumor, regulation fat metabolism, reduces blood pressure, protection liver is simultaneously
Substitutes For Antibiotic can be turned into a certain extent again, a new road is opened to solve drug resistance problems.
Soybean Milk clear water is produced during to soybean processing protein isolate, in production FSPC, greatly
It can produce, can also be obtained by hot water extraction's defatted soybean dregs of beans in the technique such as beans protein isolate and production bean curd.With
Before, Soybean Milk clear water is always treated as waste water, is typically directly discharge or is handled with conventional biochemical method.With to lactalbumin,
The feature of oligosaccharide and the understanding of health protection effect deepen continuously, and people increasingly pay attention to the exploitation to Soybean Milk clear water.
Soybean protein isolate is quickly grown in recent years, and soybean protein isolate per ton produces 21-31 tons of whey wastewaters.Current whey wastewater
Main processing means are that anaerobic and aerobic ferment, it is necessary to larger input and administration fee, and do not produce economic value.
Feed of the Japan more than 40% all adds oligosaccharide as feed addictive at present.There is document to claim to add oligosaccharide energy
The growth rate of letting animals feed is enough improved, immunity of organisms is improved, while needing to add salt in feed, to meet animal to sodium salt
Demand.And exactly contain both solable matters in Soybean Milk clear water, therefore can by the oligosaccharide to Soybean Milk clear water and
Contained salt is extracted and reasonably optimizing, so that Soybean Milk clear water is turned waste into wealth, is played a significant role in feed industry.
As CN103756987A discloses a kind of while the method for preparing beta amylase and high-purity soybean oligosaccharide, including
Following steps：(1) soy protein wastewater pH value is adjusted, filter aid and compound precipitantses are added；(2) demineralized water is added, is added
Calcium salt；(3) ultrafiltration membrane treatment is used；(4) ultrafiltration membrane treatment is used, beta amylase is made；(5) conductance is dropped using electroosmose process；
(6) saccharomycetes to make fermentation, ultrafiltration；(7) chromatographic isolation is carried out using Simulation moving bed, obtains soy oligosaccharides saccharic composition and fructose group
Point.
The shortcoming of above-mentioned technology is：Using filter aid and compound precipitantses, after being adjusted by pH value, substantial amounts of remove is added
After salt solution and calcium salt, by controlling milipore filter that beta amylase is made.The main component contained in the mother liquor of ultrafiltration is inorganic salts, low
Glycan and small molecule lactalbumin, the molecular weight of lactalbumin is between 200-13000 dalton, and molecular weight distribution is extremely uneven
It is even, and lactalbumin belongs to viscosity and the higher albumen of aggregation consistency, and ultrafiltration not can effectively solve the problem that albumen blocks fenestra
The problem of, cause membrane flux to reduce rapidly, concentration speed is slow, and efficiency is low, and cleaning needs substantial amounts of buck and sour water, causes dirt
Dye, it is impossible to basic to solve the problem of lactalbumin is rationally utilized.Moreover, putting into high, operating cost height using chromatography.Separately
Outside, the sucrose contained in whey and other trophism syrup compounds etc. still need further processing.
The content of the invention
Therefore, it is an object of the invention to provide a kind of technique of the aquatic production feed oligosaccharide of soy-bean whey.The technique energy
It is enough rationally to utilize whey wastewater, realize that no pollution is discharged, and the oligosaccharide prepared is adapted to pig, cattle and sheep etc. and eaten, and can improve product
Rate, improves immunity, instead of part antibiotic, while providing the salt needed during growth of animal.
For up to above-mentioned purpose, the present invention is adopted the following technical scheme that：
A kind of technique of the aquatic production feed oligosaccharide of soy-bean whey, comprises the following steps：
(1) added to the Soybean Milk clear water for removing insoluble impurities after neutral salt, adjustment pH is 4.0-5.8, is made in whey
The electric double layer of albumen reach near isoelectric point, beneficial to protein deposition, by adjusting pH and addition neutral salt, albumen can be improved and gathered
Collection rate, reduction concentration difficulty；
(2) mixed liquor obtained by step (1) is concentrated into solids accounts for separation of solid and liquid after the 28-40% of mixed liquor quality and obtain
Solid phase curdled milk obtain soybean protein through sterilizing and drying；
(3) gained liquid phase after step (2) separation of solid and liquid is added into sodium chloride 5-15%, calcium phosphate 5-15%, main function
It is to adjust the inorganic salts ingredients in feed to reach the nutritional need of suitable feed, mixes, adjustment pH is 7.0-7.5, is adjusted
Matter liquid；
(4) quenched liquid obtained by step (3) is sterilized, is dried to obtain the feed soyabean oligosaccharides.
This invention address that Soybean Milk clear water is utilized to greatest extent, the bioenergy of soybean is made full use of to be worth.This
Part whey water usually contains 20-23% or so soybean protein, 21-24% or so ash content, and 55-58%'s or so is oligomeric
Sugar.The oligosaccharide prepared by present invention process is adapted to pig, cattle and sheep etc. and eaten, and can improve yield rate, improve immunity, instead of
Part antibiotic, while providing the salt needed during growth of animal.
Preferably, the Soybean Milk clear water in step (1) is to be produced from soybean protein isolate and/or acid system protein concentrate
The whey wastewater produced in journey.
Preferably, the removal of impurities of Soybean Milk clear water is carried out by more medium filter, to remove solid impurity therein.
Preferably, the addition of neutral salt is the 0-2% of soy-bean whey water quality.Neutral salt can be without addition
Effect is more preferable.
Preferably, the neutral salt is the one kind or two or more combination in sodium chloride, sodium phosphate.
Preferably, pH is adjusted to 4.2-5.5.
Preferably, concentration is carried out using steam low-temperature concentration technique in step (2).
Preferably, evaporating temperature during concentration is 40-90 DEG C, and temperature is 120-180 DEG C after both vapor compression, and vacuum is 0-
94Kpa.Evaporating temperature is that the temperature after the temperature of feed liquid heating, both vapor compression is that the steam after evaporation is through overcompression, temperature liter
Temperature after height.
Preferably, separation of solid and liquid can be using centrifuging, for example can be using the separation of horizontal helical type centrifugal separator, or uses
Press filtration, disk centrifuge and the separation of other kinds of solid-liquid separating machine.
Preferably, separation factor during separation is 2000-15000G.
Preferably, dry is roller drying or spray drying.
Preferably, the temperature of sterilization is 120-155 DEG C in step (4), the time of sterilization is 3-8 seconds.
Preferably, flash liberation is carried out before drying.
Preferably, drying uses spray drying to obtain soybean whey proteins.
Preferably, pH adjustment is realized by adding pH adjusting agent.
Preferably, the pH adjusting agent is the one kind or two or more combination in sodium hydroxide, calcium hydroxide, hydrochloric acid.
Preferably, the technique of the present invention comprises the following steps：
A) Soybean Milk clear water removes insoluble impurities：The solid removed by more medium filter in Soybean Milk clear water is miscellaneous
Matter, more medium filter therein is mainly filtering insoluble impurities；
B) pH is adjusted：Remove after the clear liquid of insoluble impurities, addition neutral salt 0-2%, adjusting pH by pH adjusting agent exists
Between 4.0-5.8, by adjusting pH and salt adding amount, albumen PAR, reduction concentration difficulty are improved；
C) steam recompression technology concentration Soybean Milk clear water：Exchanged using steam low-temperature concentration technique have suffered pH carry out it is dense
Contracting, 40-90 DEG C of evaporating temperature, 120-180 DEG C of temperature after compression, vacuum 0-94Kpa. is concentrated into concentration and reaches 28%-40%,
Obtain pending concentrate；
D) centrifuge：Concentrate in step c) is subjected to horizontal helical type centrifugal separator separation, separation factor 2000-
15000G, isolated solid phase curdled milk, solid phase curdled milk is after sterilization, and roller drying obtains soybean protein；
E) it is quenched：By the liquid phase of previous step, sodium chloride 5-15%, calcium phosphate 5-15% are added, is stirred, adjusted
PH7.0-7.5, obtains quenched liquid；
H) sterilize：Quenched 120-155 DEG C of liquid is sterilized 3-8 seconds；
I) dry：Quenched liquid after sterilization, is dried, and recovery obtains feed soyabean oligosaccharides.What the present invention was provided
Whey water production feed is had the advantages that with the technique of oligosaccharide：
1st, the feed soyabean oligosaccharides that present invention process is obtained contain carbohydrate 60-75%, wherein oligosaccharide cotton
Sub- sugar and content of stachyose are 25-37%, can absorbed carbohydrate be 30-40%, salt content content contains in 8-25%
Protein content 5-18%, while obtaining a kind of T.GT.GT containing Protein G 55% soybean protein, is available for further purifying beta amylase, fatty oxygen
The beneficiating ingredient such as synthase and trypsin inhibitor；
2nd, the soyabean oligosaccharides that present invention process is obtained contain 5-18% soybean whey protein, with soybean whey protein
Healthcare function；
3rd, the soyabean oligosaccharides that present invention process is obtained have functions that antitumor and improve immunity；
4th, present invention process reduces the processing hardly possible of the whey wastewater of the generation of soybean separation protein bletilla FSPC
Degree, improves the utilization rate of soybean；
What the 5th, present invention process was obtained is easy to industrialized production；
6th, the feed addictive that present invention process is obtained can add in the feeds such as pig, cattle and sheep that there is provided energy there is provided oligosaccharide
The disaccharide and monose in source are measured, while providing sodium salt and calcium salt and phosphine to meet feed applications.
Embodiment
For ease of understanding the present invention, it is as follows that the present invention enumerates embodiment.Those skilled in the art are it will be clearly understood that the implementation
Example is used only for help and understands the present invention, is not construed as the concrete restriction to the present invention.
Embodiment 1
A kind of technique of the aquatic production feed oligosaccharide of soy-bean whey, comprises the following steps：
A) Soybean Milk clear water removes insoluble impurities：The solid removed by more medium filter in Soybean Milk clear water is miscellaneous
Matter, more medium filter therein is mainly filtering insoluble impurities；
B) pH is adjusted：Remove after the clear liquid of insoluble impurities, addition neutral salt 0.2%, adjusting pH by pH adjusting agent exists
Between 4.8-5.0, by adjusting pH and salt adding amount, albumen PAR, reduction concentration difficulty are improved；
C) steam recompression technology concentration Soybean Milk clear water：Exchanged using steam low-temperature concentration technique have suffered pH carry out it is dense
Contracting, 80-85 DEG C of evaporating temperature, 160-165 DEG C of temperature after compression, vacuum 90-94Kpa is concentrated into concentration and reaches 28%-
30%, obtain pending concentrate；
D) centrifuge：By in step c) concentrate carry out horizontal helical type centrifugal separator separation, separation factor 3300G,
Isolated solid phase curdled milk, solid phase curdled milk is after sterilization, and roller drying obtains soybean protein；
E) it is quenched：By the liquid phase of previous step, sodium chloride 5% is added, calcium phosphate 5% stirs, adjusts pH7.3-7.5,
Obtain quenched liquid；
H) sterilize：Quenched 128-132 DEG C of liquid is sterilized 6 seconds；
I) dry：Quenched liquid after sterilization, is dried, and recovery obtains feed soyabean oligosaccharides.
Embodiment 2
A kind of technique of the aquatic production feed oligosaccharide of soy-bean whey, comprises the following steps：
A) Soybean Milk clear water removes insoluble impurities：The solid removed by more medium filter in Soybean Milk clear water is miscellaneous
Matter, more medium filter therein is mainly filtering insoluble impurities.
B) pH is adjusted：Remove after the clear liquid of insoluble impurities, addition neutral salt 0.4%, adjusting pH by pH adjusting agent exists
5.3-5.5 between.By adjusting pH and salt adding amount, albumen PAR, reduction concentration difficulty are improved；
C) steam recompression technology concentration Soybean Milk clear water：Exchanged using steam low-temperature concentration technique have suffered pH carry out it is dense
Contracting, 75-78 DEG C of evaporating temperature, 140-145 DEG C of temperature after compression, vacuum 80-84Kpa is concentrated into concentration and reaches 38%-
40%, obtain pending concentrate.
D) centrifuge：By in step c) concentrate carry out horizontal helical type centrifugal separator separation, separation factor 4500G,
Isolated solid phase curdled milk, solid phase curdled milk is after sterilization, and roller drying obtains soybean protein.
E) it is quenched：By the liquid phase of previous step, sodium chloride 8% is added, calcium phosphate 9% stirs, adjusts pH7.3-7.5,
Obtain quenched liquid；
H) sterilize：Quenched 120-125 DEG C of liquid is sterilized 5-8 seconds；
I) dry：Quenched liquid after sterilization, is dried, and recovery obtains feed soyabean oligosaccharides.
Embodiment 3
A kind of technique of the aquatic production feed oligosaccharide of soy-bean whey, comprises the following steps：
A) Soybean Milk clear water removes insoluble impurities：The solid removed by more medium filter in Soybean Milk clear water is miscellaneous
Matter, more medium filter therein is mainly filtering insoluble impurities.
B) pH is adjusted：PH is adjusted after the clear liquid of removing insoluble impurities, addition neutral salt 0.6% by pH adjusting agent to exist
4.9-5.1 between.By adjusting pH and salt adding amount, albumen PAR, reduction concentration difficulty are improved；
C) steam recompression technology concentration Soybean Milk clear water：Exchanged using steam low-temperature concentration technique have suffered pH carry out it is dense
Contracting, 65-70 DEG C of evaporating temperature, 160-165 DEG C of temperature after compression, vacuum 35-40Kpa is concentrated into concentration and reaches 32%-
34%, obtain pending concentrate.
D) centrifuge：By in step c) concentrate carry out horizontal helical type centrifugal separator separation, separation factor 6000G,
Isolated solid phase curdled milk, solid phase curdled milk is after sterilization, and roller drying obtains soybean protein.
E) it is quenched：By the liquid phase of previous step, sodium chloride 12% is added, calcium phosphate 5% stirs, adjust pH7.0-
7.5, obtain quenched liquid；
H) sterilize：Quenched 140-145 DEG C of liquid is sterilized 8 seconds；
I) dry：Quenched liquid after sterilization, is dried, and recovery obtains feed soyabean oligosaccharides.
Embodiment 4
A kind of technique of the aquatic production feed oligosaccharide of soy-bean whey, comprises the following steps：
A) Soybean Milk clear water removes insoluble impurities：The solid removed by more medium filter in Soybean Milk clear water is miscellaneous
Matter, more medium filter therein is mainly filtering insoluble impurities.
B) pH is adjusted：Remove after the clear liquid of insoluble impurities, addition neutral salt 1.0%, adjusting pH by pH adjusting agent exists
4.3-4.5 between.By adjusting pH and salt adding amount, albumen PAR, reduction concentration difficulty are improved；
C) steam recompression technology concentration Soybean Milk clear water：Exchanged using steam low-temperature concentration technique have suffered pH carry out it is dense
Contracting, 65-70 DEG C of evaporating temperature, 75-80 DEG C of temperature after compression, vacuum 65-69Kpa is concentrated into concentration and reaches 28%-30%,
Obtain pending concentrate.
D) centrifuge：By in step c) concentrate carry out horizontal helical type centrifugal separator separation, separation factor 6500G,
Isolated solid phase curdled milk, solid phase curdled milk is after sterilization, and roller drying obtains soybean protein.
E) it is quenched：By the liquid phase of previous step, sodium chloride 8% is added, calcium phosphate 11% stirs, adjust pH7.0-
7.5, obtain quenched liquid；
H) sterilize：Quenched 150-155 DEG C of liquid is sterilized 7 seconds；
I) dry：Quenched liquid after sterilization, is dried, and recovery obtains feed soyabean oligosaccharides.
Embodiment 5
A kind of technique of the aquatic production feed oligosaccharide of soy-bean whey, comprises the following steps：
A) Soybean Milk clear water removes insoluble impurities：The solid removed by more medium filter in Soybean Milk clear water is miscellaneous
Matter, more medium filter therein is mainly filtering insoluble impurities.
B) pH is adjusted：Remove after the clear liquid of insoluble impurities, addition neutral salt 2%, adjusting pH by pH adjusting agent exists
4.5-4.8 between.By adjusting pH and salt adding amount, albumen PAR, reduction concentration difficulty are improved；
C) steam recompression technology concentration Soybean Milk clear water：Exchanged using steam low-temperature concentration technique have suffered pH carry out it is dense
Contracting, 73-75 DEG C of evaporating temperature, 70-75 DEG C of temperature after compression, vacuum 90-94Kpa is concentrated into concentration and reaches 28%-30%,
Obtain pending concentrate.
D) centrifuge：By in step c) concentrate carry out horizontal helical type centrifugal separator separation, separation factor 3300G,
Isolated solid phase curdled milk, solid phase curdled milk is after sterilization, and roller drying obtains soybean protein.
E) it is quenched：By the liquid phase of previous step, sodium chloride 8% is added, calcium phosphate 11% stirs, adjust pH7.2-
7.5, obtain quenched liquid；
H) sterilize：Quenched 140-145 DEG C of liquid is sterilized 6 seconds；
I) dry：Quenched liquid after sterilization, is dried, and recovery obtains feed soyabean oligosaccharides.
Embodiment 6
A kind of technique of the aquatic production feed oligosaccharide of soy-bean whey, comprises the following steps：
A) Soybean Milk clear water removes insoluble impurities：The solid removed by more medium filter in Soybean Milk clear water is miscellaneous
Matter, more medium filter therein is mainly filtering insoluble impurities.
B) pH is adjusted：The clear liquid of insoluble impurities is removed, pH is adjusted between 4.7-5.1 by pH adjusting agent.By adjusting
Whole pH, improves albumen PAR, reduction concentration difficulty；
C) steam recompression technology concentration Soybean Milk clear water：Exchanged using steam low-temperature concentration technique have suffered pH carry out it is dense
Contracting, 65-70 DEG C of evaporating temperature, 130-135 DEG C of temperature after compression, vacuum 85-90Kpa is concentrated into concentration and reaches 32%-
34%, obtain pending concentrate.
D) centrifuge：By in step c) concentrate carry out horizontal helical type centrifugal separator separation, separation factor 6000G,
Isolated solid phase curdled milk, solid phase curdled milk is after sterilization, and roller drying obtains soybean protein.
E) it is quenched：By the liquid phase of previous step, sodium chloride 12% is added, calcium phosphate 5% stirs, adjust pH7.0-
7.5, obtain quenched liquid；
H) sterilize：Quenched 140-145 DEG C of liquid is sterilized 8 seconds；
I) dry：Quenched liquid after sterilization, is dried, and recovery obtains feed soyabean oligosaccharides.
The feed soyabean oligosaccharides that above-described embodiment is obtained contain carbohydrate 60-75%, wherein oligosaccharide cotton seed
Sugar and content of stachyose be 25-37%, can absorbed carbohydrate be 30-40%, salt content content is in 8-25%, containing egg
White amount 5-18%, while obtaining a kind of T.GT.GT containing Protein G 55% soybean protein, is available for further purifying beta amylase, lipoxidase
The beneficiating ingredient such as enzyme and trypsin inhibitor；Obtained soyabean oligosaccharides contain 5-18% soybean whey protein, with big
The albuminised healthcare function of soya-bean milk.Embodiment 6 is, without neutral salt, as a result to show compared with Example 3 in step b), real
Apply the products obtained therefrom performance of example 6 a little compared with the products obtained therefrom poor performance of embodiment 3.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (10)
1. a kind of technique of the aquatic production feed oligosaccharide of soy-bean whey, comprises the following steps：
(1) added to the Soybean Milk clear water for removing insoluble impurities after neutral salt, adjustment pH is 4.0-5.8；
(2) by consolidating that mixed liquor obtained by step (1) is concentrated into that solids accounts for that separation of solid and liquid after the 28-40% of mixed liquor quality obtains
Phase curdled milk obtains soybean protein through sterilizing and drying；
(3) gained liquid phase after step (2) separation of solid and liquid is added into sodium chloride 5-15%, calcium phosphate 5-15%, mixing, adjustment pH is
7.0-7.5, obtains quenched liquid；
(4) quenched liquid obtained by step (3) is sterilized, is dried to obtain the feed soyabean oligosaccharides.
2. technique according to claim 1, it is characterised in that the Soybean Milk clear water in step (1) is from soybean separation protein
The whey wastewater produced in white and/or acid system protein concentrate production process；
Preferably, the removal of impurities of Soybean Milk clear water is carried out by more medium filter.
3. production technology according to claim 1 or 2, it is characterised in that the addition of neutral salt is soybean in step (1)
The 0-2% of whey water quality；
Preferably, the neutral salt is the one kind or two or more combination in sodium chloride, sodium phosphate；
Preferably, pH is adjusted to 4.2-5.5.
4. the production technology according to claim any one of 1-3, it is characterised in that concentration is low using steam in step (2)
Warm concentration technique is carried out；
Preferably, evaporating temperature during concentration is 40-90 DEG C, and temperature is 120-180 DEG C after both vapor compression, and vacuum is 0-
94Kpa。
5. the production technology according to claim any one of 1-4, it is characterised in that in step (2) separation of solid and liquid use from
The heart is separated；
Preferably, separation factor during separation is 2000-15000G.
6. the production technology according to claim any one of 1-5, it is characterised in that it is roller drying to be dried in step (2)
Or spray drying.
7. the production technology according to claim any one of 1-6, it is characterised in that the temperature of sterilization is in step (4)
120-155 DEG C, the time of sterilization is 3-8 seconds.
8. the production technology according to claim any one of 1-7, it is characterised in that flashed before being dried in step (4)
Degassing.
9. the production technology according to claim any one of 1-8, it is characterised in that dried in step (4) dry using spraying
It is dry.
10. the production technology according to claim any one of 1-9, it is characterised in that the pH adjustment is adjusted by adding pH
Agent is saved to realize；
Preferably, the pH adjusting agent is the one kind or two or more combination in sodium hydroxide, calcium hydroxide, hydrochloric acid.
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| CN109609472A (en) * | 2019-01-20 | 2019-04-12 | 齐鲁工业大学 | A kind of utilization method of soya whey wastewater |
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