CN109180230A - A method of less salt high bioactivity organic fertilizer is produced using fish meal machining cooking water - Google Patents
A method of less salt high bioactivity organic fertilizer is produced using fish meal machining cooking water Download PDFInfo
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- CN109180230A CN109180230A CN201811217641.7A CN201811217641A CN109180230A CN 109180230 A CN109180230 A CN 109180230A CN 201811217641 A CN201811217641 A CN 201811217641A CN 109180230 A CN109180230 A CN 109180230A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F7/00—Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C11/00—Other nitrogenous fertilisers
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/046—Treatment of water, waste water, or sewage by heating by distillation or evaporation under vacuum produced by a barometric column
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
- C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/22—Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/342—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the enzymes used
-
- 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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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a kind of methods for producing less salt high bioactivity organic fertilizer using fish meal machining cooking water, using fish meal machining cooking water as raw material, using electrodialysis except series methods such as sodium salt, low-temperature reduced-pressure concentration, compound appropriateness enzymatic hydrolysis, effectively reduce the sodium salt in fish meal machining cooking water, the activity for more maintaining Fish protein small peptide and functional Aminosteril KE, makes it possible that fish meal machining cooking water produces less salt high bioactivity organic fertilizer.
Description
Technical field
The invention belongs to waste material comprehensive processing technology fields, and in particular to a kind of to utilize fish meal machining cooking water system
The method for taking less salt high bioactivity organic fertilizer.
Background technique
Zhoushan is that mainly one of fish meal processing ground, You Shuojia fish meal manufacturing enterprise, raw material are main greatly for the current country three
Low value fish and aquatic products processing leftover bits and pieces from inshore fishing, the whole industry process raw material about 500,000 tons every year, produce fish meal 10
Ten thousand tons or so, occupy the production capacity of domestic about a quarter.Fish meal, which is processed, to be brought economic benefit to enterprise while also producing many
Environmental problem, a large amount of high-COD waste waters generated in digestion process, these wastes all annoying enterprise, and the industry of limiting can be held
How supervention exhibition breaks through processing industry chain, and how reasonable this kind of waste resource of efficient process, which becomes fish meal processing industry, is continued
Restriction factor.According to measuring and calculating, at present after technological innovation, 1 ton of fish meal product of every production will generate 1 ton of waste water from cooking, produce
Raw amount is very huge.However these waste water CODs are up to 100000mg/L, wherein protein content can reach 15% or so, if
Waste water from cooking is directly discharged into sewage disposal system, one side system will can't bear the heavy load, on the other hand good protein resource quilt
Waste, very unfortunately.If energy rationally high efficiente callback protein therein, on the one hand can effectively reduce COD in waste water obtains it
To enter sewage disposal system, on the other hand protein can be developed into novel high biology necessary to suitable modern agricultural development
Active organic fertilizer (i.e. multi-Functional Fertilizers).High efficiency, functionalization, environmental protection are the new trend of China's Fertilizer development, the seed manure
Material can effectively make up conventional fertilizers excessively using bringing the drawbacks of, improve chemical fertilizer utilization ratio.
Although higher fish meal machining cooking water protein content is a kind of preferable protein resource up to 18% or more,
But often and containing 4% or so sodium salt, this causes more detrimental effect to the agricultural use of cooking water protein resource, because
Sodium ion cannot be absorbed for plant, energy extended residual be easy to cause the salinization of soil in soil after being manured into soil, permanent previous meeting
Irreversible destruction is caused to plant and soil.Simultaneously when carrying out agricultural development using Fish protein resource, traditional mode is equal
Simply to degrade using soda acid, cause that amino acid bio validity is not high, and left-handed spiral configuration is destroyed, Fish protein small peptide and part
The aminoacid functional of left-handed spiral configuration cannot be effectively played.
Therefore, how to reduce the sodium salt in cooking water and how to improve the biological effectiveness of Fish protein degradation, be to utilize
Fish meal machining cooking water produces the key factor of less salt high bioactivity organic fertilizer.
Summary of the invention
Object of the present invention is to: a kind of side being produced less salt high bioactivity organic fertilizer using fish meal machining cooking water is provided
Method, to solve the above problems.
The technical scheme is that
A method of less salt high bioactivity organic fertilizer being produced using fish meal machining cooking water, this method includes as follows
Step:
(1) after obtaining fish meal machining cooking water, cooking water is subjected to water-oil separating using butterfly centrifugal machine, obtains de-oiling
Liquid；
(2) the de-oiling liquid is carried out using homogeneous membrane electrodialytic technique obtaining desalting liquids except salt treatment；
(3) desalting liquids are concentrated using low-temperature reduced-pressure concentration technique, obtain concentrate；
(4) EDTA, carbon source and vitamin C are added to digest the concentrate using complex enzyme hydrolysis technology, obtains enzyme
Solve liquid；
(5) enzymolysis liquid is carried out killing enzymatic treatment, obtains less salt high bioactivity organic fertilizer.
Further, the de-oiling rate of de-oiling liquid described in step (1) is greater than 90%-95%.
Further, except the sodium ion removal rate in salt treatment is greater than 90%-95% described in step (2).
Further, the temperature of concentration described in step (3) is lower than 40 DEG C -50 DEG C.
Further, complex enzyme described in step (4) is the compound of papain and active dry yeasr, the pawpaw egg
The weight ratio of white enzyme and active dry yeasr is 1:1.
Further, the concentration of papain described in step (4) and active dry yeasr compound is solid content in liquid
0.5%-1%.
Further, the reaction temperature of enzymatic hydrolysis described in step (4) is 40 DEG C -50 DEG C, the reaction system pH of the enzymatic hydrolysis
Value control is in 5-8.
Further, the additive amount of EDTA described in step (4) is the 0.1%- of the reaction system total weight of the enzymatic hydrolysis
0.2%, the carbon source is molasses, and the additive amount of the carbon source is the 1%-2% of the reaction system total weight of the enzymatic hydrolysis, described
Ascorbic additive amount is the 0.01%-0.02% of the reaction system total weight of the enzymatic hydrolysis.
Further, the additive that enzymatic treatment is killed described in step (5) is citric acid, and the additive amount of the additive is institute
State the 0.05%-0.1% that enzymolysis liquid kill the reaction system gross mass of enzymatic treatment.
Further, the temperature that enzymatic treatment is killed described in step (5) is 50 DEG C -65 DEG C.
The present invention provides a kind of methods for producing less salt high bioactivity organic fertilizer using fish meal machining cooking water, adopt
With the resulting high activity organic fertilizer of this method, small peptide with higher and left-handed spiral configuration amino acid active, with traditional preparation
Unlike amino acid technique, this product is to carry out agricultural synthesis utilization, does not need thoroughly to degrade to Fish protein, not need
The processing of deodorant debitterized technique is carried out to cooking water, reduces processing cost, only need to moderately degrade and keep peptide and Aminosteril KE
Activity；Innovatively cooking water handle except sodium salt using electrodialytic technique, so that the agricultural use of fish meal processing waste water
Value is largely promoted, so that fish meal machining cooking water carries out agricultural use exploitation and obtains preferable basis, can be solved
Certainly the problem of fish meal processing waste water pollution environment, pollution of the waste water to environment is avoided.It is carried out compared to fish meal processing waste water dirty
Water biochemical treatment is compared, and the production cost of this method is far below the equipment investment and operating cost of biochemical wastewater treatment, and can increase
Add the commercial value of boiling processing waste water.
Specific embodiment
The present invention provides a kind of method for producing less salt high bioactivity organic fertilizer using fish meal machining cooking water, with fish
Powder machining cooking water is raw material, using electrodialysis except series methods such as sodium salt, low-temperature reduced-pressure concentration, compound appropriateness enzymatic hydrolysis, effectively
The sodium salt in fish meal machining cooking water is reduced, the activity of Fish protein small peptide and functional Aminosteril KE is more maintained, improves
The level that its agricultural resources utilizes, improve nutrients resource using horizontal, may be implemented the zero-emission of fish meal processing waste water
It puts.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, With reference to embodiment
The present invention is described in further detail.
A method of less salt high bioactivity organic fertilizer is produced using fish meal machining cooking water, comprising:
Step 1: after obtaining fish meal machining cooking water, cooking water is subjected to water-oil separating using butterfly centrifugal machine, is obtained
De-oiling liquid；
The step specific as follows can execute: boiling small fish, and the processing of the water after obtaining boiling small fish, as fish meal is steamed
It is to boil water.After obtaining fish meal machining cooking water, it will be steamed under conditions of revolving speed is 6000-8000r/min using butterfly centrifugal machine
Carry out water-oil separating to boil water, de-oiling rate are greater than 90%-95%, obtain de-oiling liquid, and de-oiling is needed because having oil in the flesh of fish
De-oiling.
Step 2: the de-oiling liquid is carried out using homogeneous membrane electrodialytic technique to obtain desalting liquids except salt treatment；
The step specific as follows can execute: be carried out at desalination using homogeneous membrane electrodialytic technique to the de-oiling liquid
Reason, wherein sodium ion removal rate is greater than 90%-95%, obtains desalting liquids.
Step 3: the desalting liquids are concentrated using low-temperature reduced-pressure concentration technique, obtain concentrate；
The step specific as follows can execute: the desalting liquids is concentrated using low-temperature reduced-pressure concentration technique, it is dense
The temperature of contracting is lower than 40 DEG C -50 DEG C, and pressure 600-800mmHg obtains concentrate.
Step 4: addition EDTA, carbon source and vitamin C digest the concentrate using complex enzyme hydrolysis technology, obtain
To enzymolysis liquid；
The step specific as follows can execute: add EDTA, the enzyme of the 0.1%-0.2% of the reaction system total weight of enzymatic hydrolysis
The dimension of the 0.01%-0.02% of the reaction system total weight of the carbon source and enzymatic hydrolysis of the 1%-2% of the reaction system total weight of solution is raw
Plain C in reaction temperature is 40 DEG C -50 DEG C using papain and active dry yeasr compound, pH value be 5-8 under conditions of to dense
Contracting liquid is digested, and the weight ratio of papain and active dry yeasr is 1:1, the papain and active dry yeasr compound
Concentration be liquid in solid content 0.5%-1%, obtain enzymolysis liquid.
Step 5: carrying out enzymolysis liquid to kill enzymatic treatment, obtains less salt high bioactivity organic fertilizer.
The step specific as follows can execute: addition enzymolysis liquid kill the reaction system gross mass of enzymatic treatment
The citric acid of 0.05%-0.1% carries out killing enzymatic treatment, obtains less salt height to enzymolysis liquid under conditions of temperature is 50 DEG C -65 DEG C
Biological active organic fertilizer material.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, further below with reference to embodiment
Illustrate technical solution of the present invention.But the present invention is not limited to listed embodiments, should also be included in of the presently claimed invention
Other any well known changes in interest field.
" one embodiment " or " embodiment " referred to herein, which refers to, may be included at least one implementation of the invention
A particular feature, structure, or characteristic." in one embodiment " that different places occur in the present specification not refers both to same
A embodiment, nor the individual or selective embodiment mutually exclusive with other embodiments.
Embodiment 1
It is organic that the implementation case shows that a kind of utilization fish meal machining cooking water produces less salt high bioactivity as follows
The method of fertilizer:
(1) after obtaining fish meal machining cooking water, cooking water is subjected to oil removing (water-oil separating) using butterfly centrifugal machine, is taken off
Oil cut rate reaches 95% or more, obtains de-oiling liquid；
(2) de-oiling liquid is carried out except salt treatment using homogeneous membrane electrodialytic technique, sodium ion removal rate reach 95% with
On, obtain desalting liquids；
(3) desalting liquids are concentrated using low-temperature reduced-pressure concentration technique, temperature control is at 45 DEG C hereinafter, being concentrated
Liquid；
(4) part EDTA, carbon source and vitamin C are added, appropriate enzymatic hydrolysis is carried out to concentrate using complex enzyme hydrolysis technology, obtained
To enzymolysis liquid, the complex enzyme is the compound of papain, active dry yeasr etc., and concentration is 0.5% of solid content in liquid,
At 45 DEG C, reaction system pH is controlled 6 for reaction temperature control.The additive amount of EDTA is 0.1% measured during system is total, and carbon source is sugar
Honey, additive amount 1%, vitamin C additive amount are 0.01%.
(5) enzymolysis liquid is carried out killing enzymatic treatment, obtains less salt high bioactivity organic fertilizer, enzyme addition is killed in the step
Agent is citric acid, and additive amount is the 0.05% of reaction system gross mass, and temperature is controlled at 60 DEG C.
Embodiment 2
It is organic that the implementation case shows that a kind of utilization fish meal machining cooking water produces less salt high bioactivity as follows
The method of fertilizer:
(1) after obtaining fish meal machining cooking water, cooking water is subjected to oil removing (water-oil separating) using butterfly centrifugal machine, is taken off
Salt rate reaches 95% or more, obtains de-oiling liquid；
(2) de-oiling liquid is carried out except salt treatment using homogeneous membrane electrodialytic technique, sodium ion removal rate reach 95% with
On, obtain desalting liquids；
(3) desalting liquids are concentrated using low-temperature reduced-pressure concentration technique, temperature control is at 50 DEG C hereinafter, being concentrated
Liquid；
(4) part EDTA, carbon source and vitamin C are added, appropriate enzymatic hydrolysis is carried out to concentrate using complex enzyme hydrolysis technology, obtained
To enzymolysis liquid, the complex enzyme is the compound of papain, active dry yeasr etc., and concentration is 0.8% of solid content in liquid,
At 50 DEG C, reaction system pH is controlled 7 for reaction temperature control.The additive amount of EDTA is 0.2% measured during system is total, and carbon source is sugar
Honey, additive amount 1.2%, vitamin C additive amount are 0.04%.
(5) enzymolysis liquid is carried out killing enzymatic treatment, obtains less salt high bioactivity organic fertilizer, enzyme addition is killed in the step
Agent is citric acid, and additive amount is the 0.06% of reaction system gross mass, and temperature is controlled at 55 DEG C.
Embodiment 3
It is organic that the implementation case shows that a kind of utilization fish meal machining cooking water produces less salt high bioactivity as follows
The method of fertilizer:
(1) after obtaining fish meal machining cooking water, cooking water is subjected to oil removing (water-oil separating) using butterfly centrifugal machine, is taken off
Salt rate reaches 95% or more, obtains de-oiling liquid；
(2) de-oiling liquid is carried out except salt treatment using homogeneous membrane electrodialytic technique, sodium ion removal rate reach 95% with
On, obtain desalting liquids；
(3) desalting liquids are concentrated using low-temperature reduced-pressure concentration technique, temperature control is at 50 DEG C hereinafter, being concentrated
Liquid；
(4) part EDTA, carbon source and vitamin C are added, appropriate enzymatic hydrolysis is carried out to concentrate using complex enzyme hydrolysis technology, obtained
To enzymolysis liquid, the complex enzyme is the compound of papain, active dry yeasr etc., and concentration is 1% of solid content in liquid, instead
Answer temperature control at 50 DEG C, reaction system pH is controlled 8.The additive amount of EDTA is 0.2% measured during system is total, and carbon source is sugar
Honey, additive amount 2%, vitamin C additive amount are 0.02%.
(5) enzymolysis liquid is carried out killing enzymatic treatment, obtains less salt high bioactivity organic fertilizer, enzyme addition is killed in the step
Agent is citric acid, and additive amount 1%, temperature control is at 65 DEG C.
Following table 1 is the comparison of three embodiments and present technology, specific as follows:
Table 1
As shown in Table 1, due to not carrying out after the degradation of cooking water Fish protein except salt treatment salt content is substantially 4% or more, and
Ministry of Agriculture's Industry code requirements of fertilizer, no more than 3%, must mark more than 3%, cannot avoid again containing sodium ion and chloride ion
It is applied on chlorine crop, the high fertilizer product of sodium salt is unable to chronic administration, soil texture can be caused to destroy after chronic administration.And this
The product sodium ion and chloride ion content of technique production can accomplish that 1% or less is even lower, and agricultural application is just comparatively safe.
Compared with prior art, the beneficial effects of the present invention are: reducing the sodium salt in cooking water, improving Fish protein degradation
Biological effectiveness.
It should be noted that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to preferable
Embodiment describes the invention in detail, those skilled in the art should understand that, it can be to technology of the invention
Scheme is modified or replaced equivalently, and without departing from the spirit and scope of the technical solution of the present invention, should all be covered in this hair
In bright scope of the claims.
Claims (10)
1. a kind of method for producing less salt high bioactivity organic fertilizer using fish meal machining cooking water, which is characterized in that the party
Method includes the following steps:
(1) after obtaining fish meal machining cooking water, cooking water is subjected to water-oil separating using butterfly centrifugal machine, obtains de-oiling liquid
Body；
(2) the de-oiling liquid is carried out using homogeneous membrane electrodialytic technique obtaining desalting liquids except salt treatment；
(3) desalting liquids are concentrated using low-temperature reduced-pressure concentration technique, obtain concentrate；
(4) EDTA, carbon source and vitamin C are added to digest the concentrate using complex enzyme hydrolysis technology, obtains enzymolysis liquid；
(5) enzymolysis liquid is carried out killing enzymatic treatment, obtains less salt high bioactivity organic fertilizer.
2. a kind of side for producing less salt high bioactivity organic fertilizer using fish meal machining cooking water according to claim 1
Method, it is characterised in that: the de-oiling rate of de-oiling liquid described in step (1) is greater than 90%-95%.
3. a kind of side for producing less salt high bioactivity organic fertilizer using fish meal machining cooking water according to claim 1
Method, it is characterised in that: except the sodium ion removal rate in salt treatment is greater than 90%-95% described in step (2).
4. a kind of side for producing less salt high bioactivity organic fertilizer using fish meal machining cooking water according to claim 1
Method, it is characterised in that: the temperature of concentration described in step (3) is lower than 40 DEG C -50 DEG C.
5. a kind of side for producing less salt high bioactivity organic fertilizer using fish meal machining cooking water according to claim 1
Method, it is characterised in that: complex enzyme described in step (4) is the compound of papain and active dry yeasr, the Papain
The weight ratio of enzyme and active dry yeasr is 1:1.
6. a kind of side for producing less salt high bioactivity organic fertilizer using fish meal machining cooking water according to claim 1
Method, it is characterised in that: the concentration of papain described in step (4) and active dry yeasr compound is solid content in liquid
0.5%-1%.
7. a kind of side for producing less salt high bioactivity organic fertilizer using fish meal machining cooking water according to claim 1
Method, it is characterised in that: the reaction temperature of enzymatic hydrolysis described in step (4) is 40 DEG C -50 DEG C, the pH value of reaction system control of the enzymatic hydrolysis
System is in 5-8.
8. a kind of side for producing less salt high bioactivity organic fertilizer using fish meal machining cooking water according to claim 1
Method, it is characterised in that: the additive amount of EDTA described in step (4) is the 0.1%- of the reaction system total weight of the enzymatic hydrolysis
0.2%, the carbon source is molasses, and the additive amount of the carbon source is the 1%-2% of the reaction system total weight of the enzymatic hydrolysis, described
Ascorbic additive amount is the 0.01%-0.02% of the reaction system total weight of the enzymatic hydrolysis.
9. a kind of side for producing less salt high bioactivity organic fertilizer using fish meal machining cooking water according to claim 1
Method, it is characterised in that: the additive that enzymatic treatment is killed described in step (5) is citric acid, and the additive amount of the additive is described
Enzymolysis liquid kill the 0.05%-0.1% of the reaction system gross mass of enzymatic treatment.
10. according to claim 1 a kind of less salt high bioactivity organic fertilizer is produced using fish meal machining cooking water
Method, it is characterised in that: the temperature that enzymatic treatment is killed described in step (5) is 50 DEG C -65 DEG C.
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2018
- 2018-10-18 CN CN201811217641.7A patent/CN109180230A/en active Pending
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| CN101073374A (en) * | 2006-06-18 | 2007-11-21 | 威海市桢昊生物技术有限公司 | Production of biochemical fish meal from fish-meal waste water |
| CN102887732A (en) * | 2012-10-30 | 2013-01-23 | 海南大学 | Method for producing amino acid liquid fertilizer by processing wastewater via tilapias |
| CN105060944A (en) * | 2015-08-07 | 2015-11-18 | 浙江海洋学院 | Method for preparing egg white fertilizer by fish soluble |
| CN105152690A (en) * | 2015-08-07 | 2015-12-16 | 浙江海洋学院 | Method for preparing protein fertilizer from fish solubles |
| CN105732216A (en) * | 2016-02-15 | 2016-07-06 | 海南大学 | Compound inoculant used for producing liquid organic fertilizer with fish meal wastewater and application |
| CN107089869A (en) * | 2017-06-01 | 2017-08-25 | 慈溪创璞食品科技有限公司 | A kind of preparation method of the molten slurry Protein fertilizer of fish |
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| Title |
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Application publication date: 20190111 |