CN104419949B - Process for preparing hydrolyzed amino acids - Google Patents

Process for preparing hydrolyzed amino acids Download PDF

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Publication number
CN104419949B
CN104419949B CN201310547178.3A CN201310547178A CN104419949B CN 104419949 B CN104419949 B CN 104419949B CN 201310547178 A CN201310547178 A CN 201310547178A CN 104419949 B CN104419949 B CN 104419949B
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amino acid
reaction liquid
acid
hydrolysis amino
fur
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CN104419949A (en
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李旻谚
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    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B3/00Electrolytic production of organic compounds
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C227/00Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C227/28Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from natural products
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/582Recycling of unreacted starting or intermediate materials

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Fertilizers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention relates to a method for preparing hydrolyzed amino acid, which comprises the following steps: concentrating: collecting fur waste into a container; mixing: mixing the alkaline reaction solution with the fur waste to obtain a premix; electrolysis: electrolyzing the premix to generate an ionic reaction to obtain a first reactant; neutralizing: adding an acidic reaction solution into the first reactant, and neutralizing the acidic reaction solution and the first reactant by acid and alkali to obtain a second reactant, namely a finished product of the hydrolyzed amino acid.

Description

Hydrolysis amino acid preparation method
Technical field
The present invention mainly discloses a kind of hydrolysis amino acid preparation method.
Background technology
Feather after various butchering fowls and it is unsuitable for making the fur garbage of down products and must deals carefully with, in order to avoid Generation stench causes environmental pollution.Processing mode is mainly based on incinerating or bury, but fur is difficult to burn, and can make when burning Into air pollution.In addition, burying, ground is same to expend land utilization space.Incinerate and burial is processed and is unable to reach scrap concrete The purpose of recycling.
Protein content in feather is typically constituted between the 80%~90% of the total composition of feather, and main component is disulfide bond(- S-S-)Keratin(α-keratin), feather keratin is made up of aminoacid, sulfur-containing amino acid(Cys, Met etc.)Account for 11%~ 12%, sulphur atom therein is the basis for constituting disulfide bond.Major part is hydrophobic amino acid, and hydrophobic amino acid is distributed in angle The periphery of albumen, a small amount of hydrophilic amino acid and group are contained within the inside of peptide bond and protein backbone.Peptide bond is right hand α-spiral shell Rotation(alpha-helices), 3 right-handed alpha helix are combined into the left hand helix of rope form and constitute fibril(Protofibril), By disulfide bond mutual connection between 3 peptide bonds in fibril, 9 between fibril collection is combined into giant fibres(Macrofibril), it is many The giant fibres of many parallel shapes is be combined with each other by disulfide bond, constitutes the elementary cell of feather.
Keratin peptide interchain has abundant disulfide bond(-S-S-)Connection, forms solid close network structure, so natural Feather keratin is insoluble in water, and traditional keratin hydrolysis method generally has Physical, chemical method and biological treatment.
Physical shape and applies to Crop fertilizer for directly feather is clayed into power, but feather powder particle slightly causes not Easily absorbed by crops, and the amino acid contained not yet conversion of feather is available for plant directly to absorb.
Chemical method can destroy tryptophan (tryptophan), serine and cheese for certain density acid heating aminosal Then part is destroyed for propylhomoserin, and traditional acid hydrolysis method temperature is about at 110~120 DEG C.It is too high yet with traditional acid hydrolysis method temperature, Cause protein produce when 80 DEG C it is rotten cause that molecular structure is destroyed, therefore the hydrolysis amino that tradition acid hydrolysis method is obtained Acid will cause plant to be difficult to absorb for plant fertilising.
Biological treatment is to be hydrolyzed with microorganism or ferment, its can cracked disulfide bond and expose protein and completely molten Solution, as feather keratin.But cannot add other compositions so that aminoacid obtained by microorganism decomposition is only capable of exclusive use, keep away Exempt from other compositions and suffer that microorganism is decomposed, the operation strategies of hydrolysis amino acid have been limited to significantly.
The content of the invention
The technical problem to be solved is:Hydrolysis amino acid obtained by conventional hydrolysis aminoacid preparation method Temperature that cannot be directly as Fertilizer application and in manufacture process is too high to cause aminoacid to go bad.
For this purpose, a kind of hydrolysis amino acid preparation method provided by the present invention, its preparation methods steps include:Concentrate:Will Fur garbage is concentrated to a container;Mixing:At room temperature, by alkaline reaction liquid, the fur garbage that pH value is 10~12 And water mixes 12~48 hours and obtains premix, the weight hundred of the alkaline reaction liquid, the fur garbage and the water Ratio is divided to be sequentially:5~8%, 30~40% and 52~65%;Electrolysis:It is electrolysed the premix and obtains first set reaction thing;With And neutralization:The acid reaction liquid that pH value is 3~6 is added in the first set reaction thing, the acid reaction liquid is anti-for the first time with this The percentage by weight for answering thing is sequentially:3~5% and 95~97% so that the acid reaction liquid is produced with the first set reaction thing Acid-base neutralization reaction and obtain second reactant, it is hydrolysis amino acid finished product.
Wherein in the blend step, more preferably scheme is the room temperature for 20~30 DEG C.
Wherein in the blend step, the percentage by weight of the water is 65%.
Wherein in the blend step, more preferably scheme be the alkaline reaction liquid pH value be 10.5~11.
Wherein in the blend step, more preferably scheme was the incorporation time for 24~48 hours.
Wherein in the neutralization procedure, more preferably scheme be the acid reaction liquid pH value be 4.5~5.
The present invention's is mainly characterized by:By cell reaction, generate by making fur garbage at room temperature big Amount second reactant, its have tiny molecule and can separately as Fertilizer application or can separately add other addition Thing is used, and the volume or weight of fur garbage is greatly decreased, and fur changing rejected material to useful resource is recycled.
The secondary of the present invention is technically characterized in that:Temperature is maintained at less than 50 DEG C in electrolysis step, and electrolysis time is 24 Hour, the molecule cracking of premix is obtained into the first set reaction thing of liquid to nanoscale.Due to the middle temperature of electrolysis step Degree is less than 50 DEG C, therefore the molecular structure of first set reaction thing will not completely be destroyed and avoid generation rotten.
Hydrolysis amino acid preparation method of the present invention achieves compared with prior art following technique effect:
1. hydrolysis amino acid preparation method of the present invention is by cell reaction, Gao Xuan by making fur garbage A at room temperature Selecting property generates substantial amounts of second reactant I, and it has tiny molecule and can be separately as Fertilizer application or can be separately Add other additives to use, and the volume or weight of fur garbage A is greatly decreased, by fur garbage A resources again Utilize.
2. hydrolysis amino acid preparation method temperature in electrolysis step of the present invention is maintained at less than 50 DEG C, and electrolysis time is 24 hours, the molecule cracking of premix E is obtained into the first set reaction thing G of liquid to nanoscale.Due to electrolysis step Middle temperature is less than 50 DEG C, therefore the molecular structure of first set reaction thing G will not completely be destroyed and avoid generation rotten.
Below in conjunction with the accompanying drawings the invention will be further described.
Description of the drawings
Fig. 1 is the flow chart of hydrolysis amino acid preparation method of the present invention;
Fig. 2 is the concentration step schematic diagram of hydrolysis amino acid preparation method of the present invention, represents that fur garbage is concentrated to one Container;
Fig. 3 is the blend step schematic diagram of hydrolysis amino acid preparation method of the present invention, represents that alkaline reaction liquid, fur are discarded Thing and water mix;
Fig. 4 is the continuity of Fig. 3, represents that alkaline reaction liquid, fur garbage and water are obtained by mixing premix;
Fig. 5 is the electrolysis step schematic diagram of hydrolysis amino acid preparation method of the present invention, represents pre- using electrolysis machine electrolysis Mixture;
Fig. 6 is the continuity of Fig. 5, represents the first set reaction thing that liquid is obtained after premix electrolysis;
Fig. 7 is the neutralization procedure schematic diagram of hydrolysis amino acid preparation method of the present invention, is shown in first set reaction thing and adds Enter acid reaction liquid;
Fig. 8 is the continuity of Fig. 7, represents that acid reaction liquid produces acid-base neutralization reaction and obtains second with first set reaction thing Secondary response thing;
Fig. 9 is second reactant electrolysis schematic diagram of hydrolysis amino acid preparation method of the present invention.
Description of reference numerals:A- fur garbages;B- containers;C- alkaline reaction liquid;D- water;E- premixs;F- is electrolysed Machine;G- first set reaction things;H- acid reaction liquids;Second reactant of I-.
Specific embodiment
Embodiment and its test data etc. are the following is, but present disclosure is not limited to the scope of these embodiments.
Fig. 1 is refer to, is the schematic flow sheet of hydrolysis amino acid preparation method of the present invention.It is prepared by hydrolysis amino acid of the present invention Method includes following steps:Concentrate, mix, be electrolysed and neutralize.After each step is described in detail.
Concentrate:Fig. 2 is refer to, first by fur garbage A(Such as feather)It is concentrated to a container B.
Mixing:Fig. 3 and Fig. 4 is refer to, at room temperature, by the alkaline reaction liquid C that pH value is 10~12(Such as potassium hydroxide is molten The alkaline solutions such as liquid, sodium hydroxide solution, lithium hydroxide solution, cesium hydroxide solution), fur garbage A and water D mixing 12 ~48 hours and obtain premix E, the percentage by weight of alkaline reaction liquid C, fur garbage A and water D is sequentially:5~ 8%th, 30~40% and 52~65%.In this blend step, more preferably scheme for alkaline reaction liquid C pH value be 10.5~ 11, room temperature is 20~30 DEG C, and incorporation time is 24~48 hours.The pH value of alkaline reaction liquid C is controlled between 10.5~11 and makes The disulfide bond obtained in the feather keratin in fur garbage A is effectively destroyed, and is to improve feather small molecular amount albumen to contain One of effective ways of amount.But because alkaline reaction liquid C can destroy the optical activity of aminoacid, produce substantial amounts of D types aminoacid, nothing Method is absorbed and used by plants, so should avoid using the pH value of high-alkalinity, alkaline reaction liquid C to be controlled between 10.5~11 It is preferably span of control.Furthermore, the long peptide bond fission that can cause between all amino acid residues of incorporation time, generation disappears in a large number Rotation aminoacid, therefore incorporation time is controlled between 24~48 hours, both to reach disulfide bond mesh in destruction feather protein structure , it is unlikely to generate substantial amounts of free amino acid again.
Electrolysis:Fig. 5 and Fig. 6 is refer to, using an electrolysis machine F electrolysis premix E ionic reaction, and electrolysis step are produced Middle temperature is maintained at less than 50 DEG C, and electrolysis time is 24 hours, and the molecule cracking of premix E is obtained to nanoscale The first set reaction thing G of liquid.Because temperature is less than 50 DEG C, therefore the molecular structure of first set reaction thing G in electrolysis step Will not completely be destroyed and avoid generation rotten.
Neutralization:Fig. 7 and Fig. 8 is refer to, acid reaction liquid H that pH value is 3~6 is added in first set reaction thing G (such as salt The acid solutions such as acid, pyroligneous acid), acid reaction liquid H is sequentially with the percentage by weight of first set reaction thing G:3~5% and 95 ~97% so that acid reaction liquid H produces acid-base neutralization reaction and obtains second reactant I with first set reaction thing G, and it is For hydrolysis amino acid finished product.In this neutralization procedure, more preferably scheme is 4.5~5 for the pH value of acid reaction liquid H.By acid Property reactant liquor H pH value adjust the pH of second reactant I with the neutralization of the first set reaction thing G-acid alkali in alkalescence for 4.5~5 Value so as in neutrality.Furthermore, Fig. 9 is refer to, second reactant I can reuse electrolysis machine F and be electrolysed again, during electrolysis Between be 24 hours, make the molecule of second reactant I more tiny so that second reactant I is used as can allow plant during fertilizer Thing more rapidly absorbs.
Second reactant I with fur garbage A as amino acid carrier, aminoacid(Amino acid)It is to constitute protein Ultimate unit, give protein specific molecular morphosis, protein generates more than 20 kinds of a-amino acid Jing after hydrolysis, that is, Such as glycine, alanine, aspartic acid, glutamic acid.And have amino in the chemical constitution of aminoacid(- NH2group), it is Organic fine molecule (organic molecules) simultaneously can be identified as:Basic group(NH2)With acidic-group-carboxylic acid Base(- COOH group).
Second reactant I is with 2.6% full nitrogen(N), 3.55% full phosphoric anhydride(P2O5)Oxidized potassium with 3.6% (K2O), therefore second reactant I is with a large amount of big important as the considerable nitrogen of fertilizer (N), phosphorus (P), potassium (K) etc. three Element, nitrogen can promote the stem of plant and the growth of leaf, and phosphorus has promotes crops precocity and full grains effect, and potassium can promote Enter the g and D of plant.
Second reactant I, i.e. hydrolysis amino acid finished product, due to the characteristic of aminoacid itself, are particularly to plant growing Photosynthesis have facilitation, especially glycine, and it can increase chlorophyll content of plant, improve the activity of enzyme, promote two The infiltration of carbonoxide, makes photosynthesis more vigorous, and the content to improving crop quality, increase vitamin and sugar suffers from important Effect.
Crop growth process needs the absorption quantity ratio of various nutrients and material, these nutrients and material Example and the equilibrium condition in crop, affect very big to the nutrition physiology of crop, can be directly connected to the quality of crop and fruit, And aminoacid exactly solves the key component of this problem, plant-spraying or filling are applied amino acid nutrient liquid fertilizer and can be increased in plant body Required various nutrients, aggravate the accumulation of dry and from plant root or leaf portion to the running speed sum at other positions Amount, adjusts the ratio and poised state of a great number of elements, trace element and various nutritions, normal so as to play regulation plant The effect of growth.
The three big important elements such as nitrogen (N), phosphorus (P), potassium (K) are necessary materials in crop body.Crop meeting Jing often occurs Lack the symptom of some elements, its reason be can be absorbed by crops live part content very little, and aminoacid can be with slightly solubility There is chelatropic reaction in element, to element needed for crop protective effect is produced, and generate good, the easily absorbed by crops chelating of dissolubility Thing, so as to be conducive to plant absorption.Exactly play a part of chelating agent in this aminoacid.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention Enclose and be defined, on the premise of without departing from design spirit of the present invention, technical side of the those of ordinary skill in the art to the present invention Various modifications and improvement that case is made, all should fall in the protection domain of claims of the present invention determination.

Claims (8)

1. a kind of hydrolysis amino acid preparation method, it is characterised in that comprise the steps of:
Concentrate:Fur garbage is concentrated to into a container;
Mixing:At room temperature, alkaline reaction liquid, the fur garbage and water that pH value is 10~12 are mixed 12~48 hours And premix is obtained, the percentage by weight of the alkaline reaction liquid, the fur garbage and the water is sequentially:5~8%, 30 ~40% and 52~65%;
Electrolysis:It is electrolysed the premix and obtains first set reaction thing;And
Neutralization:The acid reaction liquid that pH value is 3~6 is added in the first set reaction thing, the acid reaction liquid is with this for the first time The percentage by weight of reactant is sequentially:3~5% and 95~97% so that the acid reaction liquid and the first set reaction produce Give birth to acid-base neutralization reaction and obtain second reactant, it is hydrolysis amino acid finished product.
2. hydrolysis amino acid preparation method as claimed in claim 1, wherein in blend step, the room temperature is 20~30 DEG C.
3. hydrolysis amino acid preparation method as claimed in claim 1, wherein in blend step, the percentage by weight of the water is 65%.
4. hydrolysis amino acid preparation method as claimed in claim 1, wherein in blend step, the pH value of the alkaline reaction liquid For 10.5~11.
5. hydrolysis amino acid preparation method as claimed in claim 1, wherein in blend step, the incorporation time is 24~48 Hour.
6. hydrolysis amino acid preparation method as claimed in claim 1, wherein in neutralization procedure, the pH value of the acid reaction liquid For 4.5~5.
7. hydrolysis amino acid preparation method as claimed in claim 1, wherein in blend step, the alkaline reaction liquid is hydrogen-oxygen Change potassium solution, sodium hydroxide solution, lithium hydroxide solution or cesium hydroxide solution.
8. hydrolysis amino acid preparation method as claimed in claim 1, wherein in neutralization procedure, the acid reaction liquid is hydrochloric acid Or pyroligneous acid.
CN201310547178.3A 2013-08-22 2013-11-06 Process for preparing hydrolyzed amino acids Expired - Fee Related CN104419949B (en)

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CN108101716A (en) * 2018-03-02 2018-06-01 广州惠农农业科技有限公司 A kind of organic fertilizer and preparation method thereof

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CN203782246U (en) 2014-08-20
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TWI482780B (en) 2015-05-01
CN104419949A (en) 2015-03-18
JP2015040345A (en) 2015-03-02
US20150053570A1 (en) 2015-02-26

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