CN109604313A - A method of antibiotic in heat treatment collaboration irradiation-induced degradation feces of livestock and poultry - Google Patents
A method of antibiotic in heat treatment collaboration irradiation-induced degradation feces of livestock and poultry Download PDFInfo
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- CN109604313A CN109604313A CN201910055198.6A CN201910055198A CN109604313A CN 109604313 A CN109604313 A CN 109604313A CN 201910055198 A CN201910055198 A CN 201910055198A CN 109604313 A CN109604313 A CN 109604313A
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- 244000144977 poultry Species 0.000 title claims abstract description 73
- 244000144972 livestock Species 0.000 title claims abstract description 70
- 210000003608 fece Anatomy 0.000 title claims abstract description 69
- 230000003115 biocidal effect Effects 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 46
- 230000015556 catabolic process Effects 0.000 title claims abstract description 37
- 238000006731 degradation reaction Methods 0.000 title claims abstract description 36
- 238000010438 heat treatment Methods 0.000 title claims abstract description 17
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 13
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 claims abstract description 11
- 230000005855 radiation Effects 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000004806 packaging method and process Methods 0.000 claims description 11
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 10
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 8
- 235000019394 potassium persulphate Nutrition 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 8
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 4
- 239000011575 calcium Substances 0.000 claims description 4
- 229910052791 calcium Inorganic materials 0.000 claims description 4
- 150000004968 peroxymonosulfuric acids Chemical class 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 230000002285 radioactive effect Effects 0.000 claims description 2
- 230000003197 catalytic effect Effects 0.000 abstract description 3
- 239000007800 oxidant agent Substances 0.000 abstract description 3
- 230000001590 oxidative effect Effects 0.000 abstract description 3
- 230000002195 synergetic effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 241001465754 Metazoa Species 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000000053 physical method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 2
- 244000052616 bacterial pathogen Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 125000000623 heterocyclic group Chemical group 0.000 description 2
- 239000010871 livestock manure Substances 0.000 description 2
- 239000003895 organic fertilizer Substances 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010059866 Drug resistance Diseases 0.000 description 1
- 206010059410 Faecaluria Diseases 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 235000011132 calcium sulphate Nutrition 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000005251 gamma ray Effects 0.000 description 1
- 239000007952 growth promoter Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 210000000987 immune system Anatomy 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005025 nuclear technology Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
- B09B3/45—Steam treatment, e.g. supercritical water gasification or oxidation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The invention discloses a kind of methods of antibiotic in heat treatment collaboration irradiation-induced degradation feces of livestock and poultry, it is heat-treated by successively being pre-processed using catalytic oxidant persulfate to the feces of livestock and poultry containing antibiotic, using saturated vapor, finally uses radiation treatment, synergistic effect through these means, it overcomes existing irradiation technique and applies obstacle in the degradation of feces of livestock and poultry antibiotic residue, so that can thoroughly be degraded antibiotic residue in feces of livestock and poultry using lower irradiation dose, technical application value is high, compared with prior art, there is significant progress.
Description
Technical field
The invention belongs to civilian Application of Nuclear Technology fields, also belong to resource circulation utilization technical field.Relate to a breeding stock
The degradation technique of antibiotic residue in poultry manure, especially a kind of heat treatment cooperate with the side of antibiotic in irradiation-induced degradation feces of livestock and poultry
Method.
Background technique
China is the first big country of antibiotics production, and the antibiosis produced every year is known as more than 70 kinds, and annual output is about 24.8 ten thousand
Ton, accounts for global 70%.Inlet and outlet amount is respectively 600 tons and 88000 tons, and total usage amount is 162,000 ton, wherein
48% is used for resident's clinical treatment, and 52% is used as veterinary medicine.Antibiotic is widely used as feed addictive, livestock and poultry in animal husbandry
Growth promoter is for promoting growth of animal.But antibiotic can not completely passive object absorb, most of (about 30%-90%)
It can be discharged in the form of original shape or metabolite by fecaluria, cause the residual quantity of antibiotic in feces of livestock and poultry higher.Due to livestock and poultry
The cropland application of excrement or discharge, residual antibiotic just enter the external environments such as soil and water from farm, and inducing microbial produces
Raw drug resistance, to destroy ecosystem balance, influences to give birth to so that being on the hazard to the more sensitive microorganism of antibiotic in environment
The stabilization of state, sustainable development.In addition, antibiotic itself has preferable stability, it is difficult to degrade, the antibiotic in environment can edge
Food chain enter human body, influence human immune system, reduce immunity, and then the health of harmful to human.Therefore, livestock and poultry are based on
Waste antibiotic residue tries to degrade before livestock and poultry feces utilize anti-to the potential impact of soil, water, ecological environment and the person
It is to be worth the technical problem of further investigation that raw element, which eliminates its harm,.
Currently, the biodegrading process of antibiotic mainly has physical method, chemical method, biological degradation method and irradiation in feces of livestock and poultry
Method.Wherein physical method is mainly absorption method；Chemical method is mainly ultraviolet catalytic oxidation technology；Biological degradation method is mainly micro- life
Object strains for degrading technology.These methods can degrade or remove to a certain extent antibiotic residue, but there is also permitted simultaneously
More drawbacks.Physical method treating capacity is small, it is difficult to scale application, and physical absorption is only that it is transferred to another kind from a kind of phase
Xiang Zhong still cannot thoroughly degrade antibiotic, can not achieve the deep treatment of antibiotic pollution；Chemical method needs that high concentration is added
Chemical reagent, easily cause secondary pollution；The biological bacterial strain preparation process of biological degradation method is complicated, and bacterial strain is easily gone out by antibiotic
It is living, it is not easy to promote and apply in actual production；Ultraviolet light and electron beam penetrate very poor in radiation method, can only act on animal dung
Just surface, gamma-ray irradiation method penetration power is strong, but the agent that thoroughly antibiotic in degradation feces of livestock and poultry needs 30kGy even higher
Amount, processing cost are higher.Therefore, single degradation technique does not all have in accordance with ideal selectivity, has biggish limitation,
Limit the application in feces of livestock and poultry antibiotic pollution control.
Summary of the invention
The purpose of the present invention is exactly a kind of heat treatment collaboration spoke for being directed to the problems of above-mentioned prior art and providing
According to the method for antibiotic in degradation feces of livestock and poultry, its main feature is that being pre-processed by high-pressure hot steam, oxidant auxiliary, to utilize
Preferable degradation effect can be obtained in lower irradiation dose.
The purpose of the present invention is achieved through the following technical solutions:
A method of antibiotic in heat treatment collaboration irradiation-induced degradation feces of livestock and poultry, which is characterized in that the method includes
Following steps:
A) it pre-processes: persulfate being configured to the solution that mass percent is 2~8%, is uniformly sprayed at feces of livestock and poultry
Surface；
B) be heat-treated: by feces of livestock and poultry pretreated in step a) using 100~180 DEG C saturated vapor processing 10~
60min；
C) it packs: the feces of livestock and poultry after step b) heat treatment is fitted into the woven bag with liner；
D) it irradiates: the feces of livestock and poultry after packaging in step c) being subjected to irradiation-induced degradation processing using irradiation devices, irradiates agent
Amount is 1~5kGy.
In above-mentioned technical proposal disclosed in this invention, overcomes existing irradiation technique and dropped in feces of livestock and poultry antibiotic residue
Obstacle is applied in solution.When individually using radiation treatment, the higher dosage of 30kGy or more is needed, at this dose, irradiates cost
Higher, cultivation user is difficult to receive.And the present invention destroys the heterocycle etc. of antibiotic by hot steam and persulfate synergistic effect
Structure, in feces of livestock and poultry antibiotic carry out initial breakdown, then irradiate joint persulfate collective effect to antibiotic into
Row depth degradation, it is thus only necessary to the low dosage of 1~5kGy, the antibiotic in the feces of livestock and poultry that can thoroughly degrade, and can also kill
Go out pathogenic bacteria therein, feces of livestock and poultry realize it is innoxious, can direct returning to farmland or for manufacturing organic fertilizer, really realize recycling benefit
With.
Preferably, in step a), the persulfate is one of potassium peroxydisulfate, ammonium persulfate, persulfuric acid calcium or several
Kind.
Preferably, in step a), the persulfate is the compound of potassium peroxydisulfate and ammonium persulfate.
Preferably, in step b), the temperature of the saturated vapor is 120~180 DEG C, and heat treatment time is 15~30min.
Preferably, in step d), the irradiation dose is 2~4kGy.
Preferably, in step d), the irradiation devices are used60When Co γ device, packaged feces of livestock and poultry is directly put
Enter irradiation box, radiation chamber is sent by Transmission system and is irradiated.
Further, in step d), the irradiation devices are used60When Co γ device,60The activity of Co radioactive source is 30
~400 ten thousand Curie.
Further, in step d), the irradiation devices are used60When Co γ device, 42 groups of irradiation box are shared, every group is divided into
Upper and lower 2, the handling of feces of livestock and poultry use jacking type or pallet fork formula handling mode, and irradiation box can be realized automatic by Transmission system
It changes layer and changes face.
Further, in step d), the maximum specification (length × width × height) of each irradiation box internal volume is 1220mm
× 560mm × 1350mm, single irradiation box maximum capacity are 400kg.
Further, in step d), the irradiation is used60When Co γ device, Transmission system can be used pure suspension chain, hang
Chaining+the formula of migrating crosses one kind of source mechanical type, roller-way type.
Preferably, in step d), when the irradiation devices use electron accelerator, packaged feces of livestock and poultry is placed in spoke
According to pallet, radiation chamber is sent by Transmission system and is irradiated, packaging bag is by manually carrying out changing face.
Further, in step d), when the irradiation devices use electron accelerator, energy is 1~10MeV, Shu Gong
Rate is 50~100kW, sweep length 100cm.
Further, in step d), when the irradiation is using electron accelerator, irradiation pallet maximum width is 100cm, poultry
The thickness of poultry manure packaging is in 20cm or less.
Further, in step d), when the irradiation is using electron accelerator, irradiation Transmission system can be used roller bed type,
Crawler type, one kind of chain type.
Compared with the existing technology, the method that heat treatment of the invention cooperates with antibiotic in irradiation-induced degradation feces of livestock and poultry, shows
The technological merit of work is:
(1) method that heat treatment of the invention cooperates with antibiotic in irradiation-induced degradation feces of livestock and poultry, passes through catalytic oxidant mistake
Sulfate, the pretreatment of hot saturated vapor act synergistically with irradiation technique, can thoroughly be degraded livestock and poultry using lower irradiation dose
Antibiotic residue in excrement, technical application value is high, compared with prior art, has significant progress；
(2) method that heat treatment of the invention cooperates with antibiotic in irradiation-induced degradation feces of livestock and poultry, additives persulfuric acid
Potassium, ammonium persulfate, persulfuric acid calcium, are greatly improved the functioning efficiency of hot saturated vapor and radiation treatment, and in treatment process
In be changed into potassium sulfate, ammonium sulfate, calcium sulfate, can be improved feces of livestock and poultry returning to the field or manufacture organic fertilizer utilize when potassium, nitrogen, calcium seek
Support component content；
(3) method that heat treatment of the invention cooperates with antibiotic in irradiation-induced degradation feces of livestock and poultry, it is pre- using hot saturated vapor
Processing, can be such that persulfate rapidly penetrates into inside feces of livestock and poultry, destroy the primary structures such as the heterocycle of antibiotic, mention significantly
The irradiation-induced degradation efficiency of high antibiotic；
(4) in heat treatment collaboration irradiation-induced degradation feces of livestock and poultry of the invention antibiotic method, using radiation processing technology,
Irradiation efficiency is high, good evenness, high degree of automation, can treating capacity it is big, can scale, convenient for promoting, and irradiation can also have
Effect kills the pathogenic bacteria in feces of livestock and poultry, ensures that it recycles safety.
Specific embodiment
In order to better understand the present invention, below with reference to the embodiment content that the present invention is furture elucidated, so that of the invention
The advantages of and feature can be easier to be readily appreciated by one skilled in the art.It should be noted that it is as described below be only it is of the invention compared with
Good embodiment, but the contents of the present invention are not limited to the following examples.In fact, without departing from the scope or spirit of the invention
In the case where, it can carry out various modifications and change in the present invention, this will be apparent for a person skilled in the art
's.For example, the feature that a part as one embodiment shows or describes can be used together to produce with another embodiment
Another raw embodiment.Therefore, it is intended that such modifications and variations are included in appended claims and it by the present invention
Equivalent in the range of.
Embodiment 1
A) potassium peroxydisulfate is configured to 5% solution, be uniformly sprayed at feces of livestock and poultry surface；
B) feces of livestock and poultry in step a) is handled into 60min using 100 DEG C of saturated vapor；
C) by treated in step b), feces of livestock and poultry is fitted into the woven bag with liner；
D) feces of livestock and poultry after packaging in step c) is used into 500,000 Curie60The radiation chamber of Co Dynarad is irradiated
Degradation treatment, irradiation dose 2kGy.
The irradiation box internal volume specification (length × width × height) is 1220mm × 560mm × 1350mm, and irradiation box load-bearing is
400kg, the handling of feces of livestock and poultry use jack-up method, and irradiation box carries out automatic layer-changing by Transmission system and changes face, and irradiation passes
Defeated system uses pure suspension chain.
Antibiotic content after predose is measured, degradation rate 96.6%.
Embodiment 2
A) potassium peroxydisulfate is configured to 5% solution, be uniformly sprayed at feces of livestock and poultry surface；
B) feces of livestock and poultry in step a) is handled into 10min using 180 DEG C of saturated vapor；
C) by treated in step b), feces of livestock and poultry is fitted into the woven bag with liner；
D) feces of livestock and poultry after packaging in step c) is used into 4,000,000 Curie60The radiation chamber of Co Dynarad carries out spoke
According to degradation treatment, irradiation dose 4kGy.
The irradiation box internal volume specification (length × width × height) is 1220mm × 560mm × 1350mm, and irradiation box load-bearing is
400kg, the handling of feces of livestock and poultry use pallet fork mode, and irradiation box carries out automatic layer-changing by Transmission system and changes face, and irradiation passes
Defeated system crosses source mechanical type using the suspended chain+formula of migrating.
Antibiotic content after predose is measured, degradation rate 98.6%.
Embodiment 3
A) potassium peroxydisulfate is configured to 5% solution, be uniformly sprayed at feces of livestock and poultry surface；
B) feces of livestock and poultry in step a) is handled into 30min using 150 DEG C of saturated vapor；
C) by treated in step b), feces of livestock and poultry is fitted into the woven bag with liner；
D) feces of livestock and poultry after packaging in step c) is packed into irradiation pallet, being sent into energy by automatic transmission system is
10MeV, beam power are that the electron accelerator irradiation room of 20kW is irradiated, irradiation dose 5kGy.
The irradiation pallet width is 100cm, feces of livestock and poultry packaging with a thickness of 15cm, irradiate Transmission system and use roller-way
Formula.
Antibiotic content after predose is measured, degradation rate 99.7%.
Comparative example 1
Feces of livestock and poultry is packed into the woven bag with liner, using described in embodiment 260Co Dynarad carries out spoke
According to irradiation dose 30kGy.
Antibiotic content after predose is measured, degradation rate 90.4%.
Comparative example 2
A) potassium peroxydisulfate is configured to 5% solution, be uniformly sprayed at feces of livestock and poultry surface；
B) by treated in step a), feces of livestock and poultry is fitted into the woven bag with liner；
C) feces of livestock and poultry after packaging in step b) is used into 4,000,000 Curie60The radiation chamber of Co Dynarad carries out spoke
According to degradation treatment, irradiation dose 4kGy.
The irradiation box internal volume specification (length × width × height) is 1220mm × 560mm × 1350mm, and irradiation box load-bearing is
400kg, the handling of feces of livestock and poultry use pallet fork mode, and irradiation box carries out automatic layer-changing by Transmission system and changes face, and irradiation passes
Defeated system crosses source mechanical type using the suspended chain+formula of migrating.
Antibiotic content after predose is measured, degradation rate 73.8%.
Comparative example 3
A) feces of livestock and poultry is handled into 30min using 150 DEG C of saturated vapor；
B) by treated in step a), feces of livestock and poultry is fitted into the woven bag with liner；
C) feces of livestock and poultry after packaging in step b) is packed into irradiation pallet, being sent into energy by automatic transmission system is
10MeV, beam power are that the electron accelerator irradiation room of 20kW is irradiated, irradiation dose 5kGy.
The irradiation pallet width is 100cm, feces of livestock and poultry packaging with a thickness of 15cm, irradiate Transmission system and use roller-way
Formula.
Antibiotic content after predose is measured, degradation rate 78.5%.
By antibiotic content measurement result in above-described embodiment and comparative example it is found that heat treatment collaboration irradiation drop of the invention
The method for solving antibiotic in feces of livestock and poultry passes through persulfate catalysed oxidn, the pretreatment of hot saturated vapor and irradiation-induced degradation
After technology synergy processing, irradiation-induced degradation efficiency is significantly improved, irradiation dose is greatly reduced, relatively low-dose only is used only can be thorough
Antibiotic in bottom degradation feces of livestock and poultry.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
It describes in detail bright.It should be understood that the above is only a specific embodiment of the present invention, it is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in guarantor of the invention
Within the scope of shield.
Claims (10)
1. a kind of method of antibiotic in heat treatment collaboration irradiation-induced degradation feces of livestock and poultry, which is characterized in that the method includes such as
Lower step:
A) it pre-processes: persulfate being configured to the solution that mass percent is 2~8%, is uniformly sprayed at feces of livestock and poultry surface；
B) be heat-treated: by feces of livestock and poultry pretreated in step a) using 100~180 DEG C saturated vapor processing 10~
60min；
C) it packs: the feces of livestock and poultry after step b) heat treatment is fitted into the woven bag with liner；
D) it irradiates: the feces of livestock and poultry after packaging in step c) is subjected to irradiation-induced degradation processing, irradiation dose 1 using irradiation devices
~5kGy.
2. the method according to the claims, which is characterized in that in step a), the persulfate be potassium peroxydisulfate,
One or more of ammonium persulfate, persulfuric acid calcium.
3. the method according to the claims, which is characterized in that in step a), the persulfate be potassium peroxydisulfate with
The compound of ammonium persulfate.
4. the method according to the claims, which is characterized in that in step b), the temperature of the saturated vapor is 120
~180 DEG C, heat treatment time is 15~30min.
5. the method according to the claims, which is characterized in that in step d), the irradiation dose is 2~4kGy.
6. the method according to the claims, which is characterized in that in step d), the irradiation devices are used60Co γ dress
When setting, packaged feces of livestock and poultry is directly placed into irradiation box, radiation chamber is sent by Transmission system and is irradiated.
7. according to the method described in claim 6, it is characterized in that, the irradiation devices use in step d)60Co γ device
When,60The activity of Co radioactive source is 30~4,000,000 Curie.
8. the method according to the description of claim 7 is characterized in that the irradiation devices use in step d)60Co γ device
When, 42 groups of irradiation box are shared, every group is divided into 2 up and down, and the handling of feces of livestock and poultry use jacking type or pallet fork formula handling mode, spoke
Automatic layer-changing can be realized by Transmission system according to case and change face.
9. according to the method described in claim 8, it is characterized in that, in step d), the maximum of each irradiation box internal volume
Specification (length × width × height) is 1220mm × 560mm × 1350mm, and single irradiation box maximum capacity is 400kg.
10. according to the method described in claim 9, it is characterized in that, the irradiation uses in step d)60When Co γ device, pass
One kind that pure suspension chain, the suspended chain+formula of migrating cross source mechanical type, roller-way type can be used in defeated system.
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|---|---|---|---|
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108500034A (en) * | 2018-03-27 | 2018-09-07 | 中广核达胜加速器技术有限公司 | A kind of antibiotic bacterium residues processing technique |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108500034A (en) * | 2018-03-27 | 2018-09-07 | 中广核达胜加速器技术有限公司 | A kind of antibiotic bacterium residues processing technique |
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