CN106946601A - The method of fowl and animal excrement fermented manure - Google Patents
The method of fowl and animal excrement fermented manure Download PDFInfo
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- CN106946601A CN106946601A CN201710118086.1A CN201710118086A CN106946601A CN 106946601 A CN106946601 A CN 106946601A CN 201710118086 A CN201710118086 A CN 201710118086A CN 106946601 A CN106946601 A CN 106946601A
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- fowl
- animal excrement
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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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
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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- Processing Of Solid Wastes (AREA)
Abstract
This disclosure relates to which a kind of method of fowl and animal excrement fermented manure, the fowl and animal excrement contains antibiotic and heavy metal ion, this method includes：Under electrolysis treatment conditions, the mixed material containing the fowl and animal excrement is contacted with composite catalyst and carry out fermented manure, so that in anode oxidation reaction occurs for the organic pollution in the fowl and animal excrement, and the heavy metal ion is converted into deposit in negative electrode generation reduction reaction, obtain safely and effectively organic fertilizer.The method of the fowl and animal excrement fermented manure of the disclosure aids in the composting treatment process of fowl and animal excrement using electrochemical method, can be removed while the antibiotic in removing fowl and animal excrement and reclaim heavy metal；Simultaneously, composite catalyst is added in compost material, synergy is played to composting process and electrochemical reaction, can effectively accelerate compost reaction, promote electrolysis to remove the speed of antibiotic and heavy metal, so as to realize the purpose for improving compost fertilizer efficiency and shortening composting cycle.
Description
Technical field
This disclosure relates to debirs process field, in particular it relates to a kind of method of fowl and animal excrement fermented manure.
Background technology
According to national Pollutant source investigation publication for the first time, the pollutional load from agricultural area source alreadys exceed industry, turned into
Topmost pollution source.Wherein, Pollution from livestock and poultry is the most serious.
Large-scale farming excavates the dirty resource value of excrement to improve treatment effeciency, fully, and breeding pollution is reduced to greatest extent,
The dirty many compost treatments of solid-state excrement, liquid excrement is dirty to carry out anaerobic fermentation, production biogas and natural pond fertilizer by biogas facility.Third party's specialty
Change focuses on enterprise, mainly unifies to collect livestock and poultry feces, carries out marsh gas power generation or production bio-natural gas.
In terms of utilization orientation, livestock and poultry feces processing has recovery energy and Fertilizer Transformed using two main sides with recycling
To wherein Fertilizer Transformed is using being basis, and recovery energy is supplement.Fertilizer Transformed utilizes aspect, and natural pond fertilizer, organic fertilizer etc. goes back Tian Li
With, can improve soil organic matter content, solve arable land basic topography and decline problem, realize raiser and planting household in pairs by
Benefit, promotes agricultural sustainable development.
Conventional aerobic compost and anaerobic composting can obtain finished product organic fertilizer, but be due to the organic fertilizer standard of China
Also imperfection, antibiotic, heavy metal that livestock and poultry farm is largely added in feed addictive etc. can not have in composting process
Effect is removed, and is recycled without removing the field of going back to of fertilizer of antibiotic and heavy metal pollution and new dirt can be caused to soil and water environment
Dye.
The content of the invention
The purpose of the disclosure is to provide a kind of method of fowl and animal excrement fermented manure, and what this method can be in fertilizer be removed is anti-
Heavy metal is reclaimed while raw element, and significantly improves composting efficiency.
To achieve these goals, the disclosure provides a kind of method of fowl and animal excrement fermented manure, and the fowl and animal excrement contains
There are antibiotic and heavy metal ion, this method includes：Under electrolysis treatment conditions, make the mixed material containing the fowl and animal excrement
Contacted with composite catalyst and carry out fermented manure, so that in anode oxidation occurs for the organic pollution in the fowl and animal excrement instead
Should, and the heavy metal ion is converted into deposit in negative electrode generation reduction reaction, obtain organic fertilizer.
Alternatively, the preparation method of the composite catalyst includes：(a) mineral are gathered：Gather unpolluted from underground
Natural crystal, the natural crystal contains organic/inorganic substance, and the inorganic matter is selected from SiO2、Al2O3、Fe2O3With at least one in MgO
Kind；(b) mineral are crushed：The natural crystal is ground into the natural crystal powder that particle diameter is 45 microns -2 nanometers；(c) mineral powder
End purification：The heavy metal and radioactive substance being harmful to organism are isolated from the natural crystal powder, is obtained after purification
Natural crystal powder；(d) mineral dust burns：Burn the natural crystal powder after the purification；(e) mix and ferment：Make
Mineral dust and H through burning2O and the natural plant extracts mixing being made up of agar, obtain mixed-powder, and will be described
Mixed-powder ferments certain time to improve the activity of composite catalyst and microorganism；(f) sterilizing-drying：After the fermentation
Mixed-powder fermentation is sterilized and dried；(g) ceramic mixed-powder culture：Will be placed in the vessel through dry mixed-powder,
Addition is mixed with the solution of water, distilled water, magnetized water, glucose or carbohydrate, obtains mixed-powder solution；To the mixed-powder
Solution adding carbohydrate obtains culture for cultivating the culture medium of microorganism and carrying out the culture of more than 1 hour；(h) it is combined and urges
Agent is extracted, separation and Extraction microorganism in the culture described in step (g), and separation and Extraction is obtained from the microorganism
The composite catalyst.
Alternatively, the preparation method of the composite catalyst includes：(d) the mineral dust combustion step of step, including：The
Primary combustion technique, heats 2-3 hours to be calcined by 50-300 DEG C of temperature；Second of burning process, completes first
After secondary burning process, the natural crystal powder through first time burning is heated 0.5-10 hours with 300-850 DEG C of temperature
Second is carried out to burn；(e) in the hybrid technique step of step, 60-80% weight is ground into 45 micron of -2 nanosized
The mineral dust through burning, the H of 20-30% weight2The root of the natural plants being made up of agar of O and 2-10% weight,
Stem, the extract of leaf are mixed, and obtain the mixed-powder；(e) fermentation process step of step, the mixed-powder is existed
In maturation storehouse within -10 DEG C to 200 DEG C at a temperature of maturation fermented within 10-90 days；(f) sterilizing of step and dry step
Suddenly, the High Temperature Rotating in roaster below 180 DEG C is sterilized for 0.5-2 hours, and is done with 150-200 DEG C of temperature
It is dry；(g) condition of culture of step culture mentioned microorganism is：Possess YEM culture mediums, TSB culture mediums, M9 culture mediums, LB cultures
The culture medium of base, culture is realized by 30-37 DEG C of scope of temperature range, and the composition for constituting YEM in the medium contains
Na2HPO4·12H2O：3.0-4.5g、K2HPO4：0.5-2.0g、MgSO4·7H2O：0.01-0.05g、NH4Cl:0.2-0.7g, ferment
Female extract 3.0-5.0g, agar 10-20g, distilled water 1.0L.
Alternatively, relative to fowl and animal excrement described in 100 parts by weight, the consumption of the composite catalyst is 0.05-2 weight
Part.
Alternatively, the mixed material also contains organic carbon source material, relative to fowl and animal excrement described in 100 parts by weight, institute
The consumption for stating organic carbon source material is 10-100 parts by weight, and the organic carbon source material is stalk and/or rice husk.
Alternatively, the carbon-nitrogen ratio of the mixed material is 20-35, and moisture content is 55-65%, and pH is 6.5-8.5.
Alternatively, the condition of the fermented manure includes：The mixed material is ventilated, the frequency of the ventilation is 10-
15h/ times, Ventilation Rate is 80-150L/min, and duration of ventilation is 0.5-2h；The time of the fermented manure is 120-240h.
Alternatively, the voltage strength of the electrolysis processing is 0.5-3.0V/cm.
Alternatively, the antibiotic is selected from tetracycline antibiotics, carbostyril antibiotic, sulfa antibiotics, soil
At least one in mycin class antibiotic, aureomycin class antibiotic and tylosin class antibiotic；The heavy metal ion is choosing
From Cu2+、Zn2+、Cd2+、Cr6+And Mn2+In at least one.
Alternatively, the negative electrode is selected from graphite electrode, platinum electrode, carbon fiber electrode, lead dioxide electrode and boron-doping gold
At least one in hard rock membrane electrode；The anode is selected from platinum electrode, carbon fiber electrode, lead dioxide electrode and boron-doping Buddha's warrior attendant
At least one in stone membrane electrode.
By above-mentioned technical proposal, the method for the fowl and animal excrement fermented manure of the disclosure aids in poultry using electrochemical method
The composting treatment process of excrement, can remove while the antibiotic in removing fowl and animal excrement and reclaim heavy metal；Meanwhile,
Composite catalyst is added in compost material, synergy is played to composting process and electrochemical reaction, can effectively accelerate compost
Reaction, the speed for promoting electrolysis removal antibiotic and heavy metal, so as to realize raising compost fertilizer efficiency and shorten composting cycle.
Other feature and advantage of the disclosure will be described in detail in subsequent embodiment part.
Brief description of the drawings
Accompanying drawing is, for providing further understanding of the disclosure, and to constitute a part for specification, with following tool
Body embodiment is used to explain the disclosure together, but does not constitute limitation of this disclosure.In the accompanying drawings：
Fig. 1 is a kind of apparatus structure signal of embodiment of the method for the fowl and animal excrement fermented manure of the disclosure
Figure.
Description of reference numerals
1 positive plate 2 is minus plate
The dc source of 3 aerator 4
The reactor of 5 mixed material 6
The air inlet of 7 compost liquid outlet 8
The charging aperture of 9 mixer 10
The thief hatch of 11 first thief hatch 12 second
The paddle of 13 filter screen 14
The reservoir of 15 discharging opening 16
Embodiment
It is described in detail below in conjunction with accompanying drawing embodiment of this disclosure.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explained the disclosure, is not limited to the disclosure.
The disclosure provides a kind of method of fowl and animal excrement fermented manure, the fowl and animal excrement contain antibiotic and heavy metal from
Son, this method includes：Under electrolysis treatment conditions, the mixed material containing the fowl and animal excrement is set to be contacted simultaneously with composite catalyst
Fermented manure is carried out, so that in anode oxidation reaction occurs for the organic pollution in the fowl and animal excrement, and makes the heavy metal
Ion occurs reduction reaction in negative electrode and is converted into deposit, obtains organic fertilizer.
The method of the fowl and animal excrement fermented manure of the disclosure aids in the compost treatment mistake of fowl and animal excrement using electrochemical method
Journey, can remove while the antibiotic in removing fowl and animal excrement and reclaim heavy metal；Meanwhile, add multiple in compost material
Catalyst is closed, synergy is played to composting process and electrochemical reaction, can effectively accelerate compost reaction, promote electrolysis to remove
The speed of antibiotic and heavy metal, so as to realize raising compost fertilizer efficiency and shorten composting cycle.
The inventor of the disclosure has found that the composite catalyst can be with electrolytic process and compost in further research
Process produces synergy, hence it is evident that improve compost speed and fertilizer efficiency.The composite catalyst of the disclosure is mineral material extract, excellent
Fermented cultivate of extract for electing mineral material as obtains, it is preferable that composite catalyst can adopt and prepare with the following method：
(a) mineral are gathered：Unpolluted natural crystal is gathered from underground, the natural crystal contains organic/inorganic substance, and the inorganic matter is
Selected from SiO2、Al2O3、Fe2O3With at least one in MgO；(b) mineral are crushed：It is 45 that the natural crystal is ground into particle diameter
The natural crystal powder of -2 nanometers of micron；(c) mineral dust is purified：Isolated from the natural crystal powder has to organism
Harmful heavy metal and radioactive substance, the natural crystal powder after being purified；(d) mineral dust burns：The burning purification
Natural crystal powder afterwards；(e) mix and ferment：Make mineral dust and H through burning2O and the natural plant being made up of agar
Thing extract is mixed, and obtains mixed-powder, and the mixed-powder is fermented certain time to improve composite catalyst and micro- life
The activity of thing；(f) sterilizing-drying：Mixed-powder fermentation after the fermentation is sterilized and dried；(g) ceramic mixed-powder
Culture：Will be placed in the vessel through dry mixed-powder, addition is mixed with the molten of water, distilled water, magnetized water, glucose or carbohydrate
Liquid, obtains mixed-powder solution；To the mixed-powder solution adding carbohydrate or for cultivate microorganism culture medium and carry out 1
Culture more than hour obtains culture；(h) composite catalyst is extracted, separation and Extraction in the culture described in step (g)
Microorganism, and separation and Extraction obtains the composite catalyst from the microorganism.
According to the disclosure, the preparation method of composite catalyst may further include：(d) the mineral dust burning step of step
Suddenly, including：First time burning process, heats 2-3 hours to be calcined by 50-300 DEG C of temperature；Second of burner
Skill, completes after first time burning process, the natural crystal powder through first time burning is heated with 300-850 DEG C of temperature
Carry out second of burning within 0.5-10 hours；(e) in the hybrid technique step of step, by 60-80% weight to be ground into 45 micro-
The mineral dust through burning of -2 nanosizeds of rice, the H of 20-30% weight2The day being made up of agar of O and 2-10% weight
The root of right plant, stem, the extract of leaf are mixed, and obtain the mixed-powder；(e) fermentation process step of step, by institute
State mixed-powder in maturation storehouse within -10 DEG C to 200 DEG C at a temperature of maturation fermented within 10-90 days；(f) step is gone out
Bacterium and drying steps, the High Temperature Rotating in roaster below 180 DEG C are sterilized for 0.5-2 hours, and with 150-200 DEG C
Temperature is dried；(g) condition of culture of step culture mentioned microorganism is：Possess YEM culture mediums, TSB culture mediums, M9 cultures
The culture medium of base, LB culture mediums, culture is realized by 30-37 DEG C of scope of temperature range, and constitutes YEM group in the medium
Compound contains Na2HPO4·12H2O：3.0-4.5g、K2HPO4：0.5-2.0g、MgSO4·7H2O：0.01-0.05g、NH4Cl:
0.2-0.7g, yeast extract 3.0-5.0g, agar 10-20g, distilled water 1.0L.
According to the disclosure, composite catalyst can also be commercial products, for example, purchased from quantum energy company of South Korea.
According to the disclosure, the consumption of composite catalyst can change in very large range, in order to further improve compound urge
Agent promotes the effect of compost and raising, and relative to fowl and animal excrement described in 100 parts by weight, the consumption of the composite catalyst is preferred
For 0.05-2 parts by weight, more preferably 0.1-0.5 parts by weight.
According to the disclosure, in order to improve under the effect of Composting, preferable case, the mixed material can also contain
There is an organic carbon source material, what the relative usage of organic carbon source material and fowl and animal excrement can be conventional for this area, it is preferable that relative
In 100 parts by weight fowl and animal excrements, the consumption of organic carbon source material is 10-100 parts by weight, more preferably 20-40 parts by weight.It is organic
Carbon source material can be that the organic carbon source material is stalk and/or rice husk.
According to the disclosure, the conventional heap in this area is met for the carbon-nitrogen ratio of the mixed material of compost, moisture content and pH value
Fertilizer requires that the carbon-nitrogen ratio of mixed material is preferably 20-35, more preferably 21-25；Moisture content is preferably 55-65, more preferably
For 60-64；PH is preferably 6.5-8.5, more preferably 7.0-8.0.
According to the disclosure, what the condition of fermented manure can be well known to those skilled in the art, in order to further improve
Compost speed and ferment effect, preferred pair mixed material is ventilated during fermented manure, and the frequency of ventilation can be 10-15h/ times, excellent
Elect as 11-12h/ times, Ventilation Rate can be 80-150L/min, and preferably 100-120L/min, duration of ventilation can be 0.5-
2h, preferably 1-1.5h；The time of the fermented manure can be 100-300h, more preferably preferably 120-240h, 150-
200h。
According to the disclosure, the composting process for aiding in fowl and animal excrement by cell reaction can be removed effectively in fowl and animal excrement
Antibiotic and heavy metal ion, specifically, the macromolecular organic matter in fowl and animal excrement be able to will be dropped in anode by oxidation reaction
Solve and be degraded removal to be more easy to be absorbed by crops the antibiotic in the small-molecule substance utilized, feed addictive；In fowl and animal excrement
Heavy metal ion simple substance be reduced to by reduction reaction in negative electrode be deposited on cathode surface so that the fermentation heap with fowl and animal excrement
Fertile product separation.
According to the disclosure, what the reaction condition for being electrolysed processing can be conventional for this area, in order to further improve this method
To the removal efficiency of organic matter in fowl and animal excrement and heavy metal, the voltage strength of electrolysis processing is preferably 0.5-3.0V/cm, more excellent
Elect 1.0-2.0V/cm as.
According to the disclosure, for carrying out the conventional kind that the negative electrode and anode material of cell reaction can be ability, negative electrode
It is preferably selected from least one in graphite electrode, platinum electrode, carbon fiber electrode, lead dioxide electrode and boron-doped diamond film electrode
Plant, more preferably at least one in graphite electrode, carbon fiber electrode and boron-doped diamond film electrode；Anode is preferably selected from platinum
At least one in electrode, carbon fiber electrode, lead dioxide electrode and boron-doped diamond film electrode, more preferably platinum electrode, two
At least one in lead dioxide electrode and boron-doped diamond film electrode.Above-mentioned preferred electrode material enters with being conducive to cell reaction
OK, it is more preferable to the antibiotic and the removal effect of heavy metal in fowl and animal excrement.
According to disclosed method, fermented manure can be carried out in the reactor with cell reaction negative electrode and anode,
In preferably a kind of embodiment of the disclosure, fermented manure is carried out in reactor as shown in Figure 1, the manure of livestock and poultry of the disclosure
Just the method for fermented manure can include：Positive plate 1 and minus plate 2 are fixed in compost reactor 6 with certain spacing, and
Connect dc source 4.The moisture content of regulation compost material, carbon-nitrogen ratio, temperature, pH value.Compost material is combined with mineral
Material 5 is sufficiently mixed in certain proportion, enters reactor by charging aperture 10.Compost material in reactor passes through aerator
3, per 11-12h, once, Ventilation Rate is 100-120L/min for ventilation, and ventilation continues 1-1.5h.Simultaneously by paddle 14 with
12-15r/min stir speed (S.S.) is stirred to heap body, and stirring frequency is 10-15min/12h.Complex mineral material is in reaction
Promote becoming thoroughly decomposed for heap body in device, simultaneously participate in electrochemical reaction.Apply voltage in negative electrode and anode and carry out constant current degraded, pass through
Electrochemistry makes the organic pollutions such as antibiotic be degraded in anode, and the pollutant such as heavy metal is reduced in negative electrode.Pass through thief hatch
11 and 12 samplings, determine the middle change of heap body fermentation process.Compost filtrate is discharged into reservoir 16 by compost liquid outlet 7.
The material of completion of becoming thoroughly decomposed is taken out by discharging opening 15.
Disclosed method can be used for handle the fowl and animal excrement containing antibiotic and heavy metal ion, wherein antibiotic and
The species of heavy metal ion can be used for conventional kind common in livestock culture and fowl and animal excrement for this area, it is preferable that this
Disclosed method for selected from tetracycline antibiotics, carbostyril antibiotic, sulfa antibiotics, terramycin class antibiotic,
It is more preferable that the antibiotic of at least one of aureomycin class antibiotic and tylosin class antibiotic decomposes eradicating efficacy；The side of the disclosure
Method is for selected from Cu2+、Zn2+、Cd2+、Cr6+And Mn2+In at least one heavy metal ion reduction eradicating efficacy it is more preferable.
The disclosure is further illustrated by the following examples, but the disclosure is not therefore any way limited.This public affairs
In the following embodiments opened, composite catalyst is the composite catalyst synthesized using above-mentioned preparation method.
Embodiment 1
The present embodiment is used for the method for illustrating the fowl and animal excrement fermented manure of the disclosure.
Fowl and animal excrement fermented manure is carried out using device as shown in Figure 1, mixed material (contains four from fresh pig manure
Ring element class antibiotic 21.1mg/kg, arsenic ion 0.32mg/kg, chromium ion 1.63mg/kg and copper ion 11.95mg/kg), straw
Stalk, feces of livestock and poultry and stalk are pressed after carbon-nitrogen ratio 20-25 proportion adjustment, 0.3% composite catalyst is added, mixture is adjusted
The moisture content of material is that 65%, initial temperature is that environment temperature, pH value are 7.8, and mixed material enters device by charging aperture 10, in hair
Apply voltage at mixture stockpile body two ends during ferment, carry out the organic matter, antibiotic and heavy metal of mixture stockpile body
Cell reaction, composting 10 days, compost filtrate is discharged into reservoir 16 by compost liquid outlet 7.Become thoroughly decomposed completion material by going out
Material mouth 15 is taken out, and obtains the organic fertilizer of the present embodiment.Electrochemistry major parameter：The area at negative and positive the two poles of the earth is 1m2, two die openings
0.5m, voltage strength 1V/cm, negative electrode uses graphite electrode, and anode uses platinum electrode；Required treatment time is 240h, hair
Moisture content is controlled during ferment 65% or so.Compost reactor is ventilated once per 12h, and Ventilation Rate is 120L/min, and ventilation is held
Continuous 1h.Heap body is stirred with 15r/min stir speed (S.S.) by paddle 14 simultaneously, stirring frequency is 10min/12h.
Embodiment 2
Fowl and animal excrement fermented manure is carried out using the raw material of embodiment 1, apparatus and method, except that, composite catalyzing
The consumption of agent is the 5% of fowl and animal excrement weight.
Embodiment 3
Using the raw material of embodiment 1, apparatus and method carry out fowl and animal excrement fermented manure, except that, not including pair
The step of mixed material is ventilated.
Embodiment 4
Fowl and animal excrement fermented manure is carried out using the raw material of embodiment 1, apparatus and method, except that, voltage strength
0.2V/cm。
Embodiment 5
Fowl and animal excrement fermented manure is carried out using the raw material of embodiment 1, apparatus and method, except that, negative electrode is used
Lead dioxide electrode, anode uses carbon fiber electrode.
Embodiment 6
Fowl and animal excrement fermented manure is carried out using the apparatus and method of embodiment 1, except that, in fowl and animal excrement raw material
Contain sulfa antibiotics.
Comparative example 1
This comparative example is used for the method for illustrating the fowl and animal excrement fermented manures different from the disclosure.
Fowl and animal excrement fermented manure is carried out using the raw material of embodiment 1, apparatus and method, except that, mixed material
In be added without composite catalyst.
Comparative example 2
This comparative example is used for the method for illustrating the fowl and animal excrement fermented manures different from the disclosure.
Fowl and animal excrement fermented manure is carried out using the raw material of embodiment 1, apparatus and method, except that, mixed material
Heap body two ends do not apply voltage.
Comparative example 3
This comparative example is used for the method for illustrating the fowl and animal excrement fermented manures different from the disclosure.
Fowl and animal excrement fermented manure is carried out using the raw material of embodiment 1, except that, using common compost method, mix
Composite catalyst is added without in compound material, and mixture stockpile body two ends do not apply voltage.
Testing example 1
Determined respectively during fermented manure in embodiment 1-6 and comparative example 1-3 in mixture stockpile body antibiotic with
The clearance of heavy metal, and the clearance of antibiotic and heavy metal in the organic fertilizer obtained after compost terminates is determined, as a result it is listed in
In Tables 1 and 2.
Antibiosis clearance before and after the embodiment 1-6 of table 1 and comparative example 1-3 compost
Water-soluble state heavy metal element situation of change before and after the embodiment 1-6 of table 2 and comparative example 1-3 compost
The side of the fowl and animal excrement fermented manure of the disclosure it can be seen from embodiment 1-6 and comparative example 1-3 Data Comparison
Method can effectively improve the degradation rate of organic matter and the clearance of heavy metal ion in fowl and animal excrement, and ferment obtained organic fertilizer
Middle antibiotic and heavy metal ion content are substantially reduced.
In the disclosure being ventilated to the mixed material preferably, the frequency of the ventilation is 10-15h/ times, and Ventilation Rate is
80-150L/min, duration of ventilation is 0.5-2h；In the case that the time of the fermented manure is 120-240h, using the disclosure
The obtained organic fertilizer of method fermentation fowl and animal excrement in antibiotic and heavy metal ion removal it is more thorough；Preferred in the disclosure
Electrolysis processing, in the case that voltage strength is 0.5-3.0V/cm, using having that disclosed method fermentation fowl and animal excrement is obtained
Antibiotic and the clearance of heavy metal ion are higher in machine fertilizer.
The preferred embodiment of the disclosure is described in detail above in association with accompanying drawing, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out with technical scheme of this disclosure
Monotropic type, these simple variants belong to the protection domain of the disclosure.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the disclosure to it is various can
The combination of energy no longer separately illustrates.
In addition, can also be combined between a variety of embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought, it should equally be considered as disclosure disclosure of that.
Claims (10)
1. a kind of method of fowl and animal excrement fermented manure, the fowl and animal excrement contains antibiotic and heavy metal ion, its feature exists
In this method includes：Under electrolysis treatment conditions, the mixed material containing the fowl and animal excrement is set to be contacted simultaneously with composite catalyst
Fermented manure is carried out, so that in anode oxidation reaction occurs for the organic pollution in the fowl and animal excrement, and makes the heavy metal
Ion occurs reduction reaction in negative electrode and is converted into deposit, obtains organic fertilizer.
2. according to the method described in claim 1, it is characterised in that the preparation method of the composite catalyst includes：
(a) mineral are gathered：Unpolluted natural crystal is gathered from underground, the natural crystal contains organic/inorganic substance, described inorganic
Thing is selected from SiO2、Al2O3、Fe2O3With at least one in MgO；
(b) mineral are crushed：The natural crystal is ground into the natural crystal powder that particle diameter is 45 microns -2 nanometers；
(c) mineral dust is purified：The heavy metal and radioactive material being harmful to organism are isolated from the natural crystal powder
Matter, the natural crystal powder after being purified；
(d) mineral dust burns：Burn the natural crystal powder after the purification；
(e) mix and ferment：Make mineral dust and H through burning2O and the natural plant extracts mixing being made up of agar, are obtained
Fermented certain time to mixed-powder, and by the mixed-powder；
(f) sterilizing-drying：Mixed-powder fermentation after fermentation is sterilized and dried；
(g) ceramic mixed-powder culture：Will be placed in the vessel through dry mixed-powder, addition is mixed with water, distilled water, magnetization
The solution of water, glucose or carbohydrate, obtains mixed-powder solution；To the mixed-powder solution adding carbohydrate or micro- for cultivating
Biological culture medium simultaneously carries out the culture of more than 1 hour and obtains culture；
(h) composite catalyst is extracted, separation and Extraction microorganism in the culture described in step (g), and from the microorganism
Middle separation and Extraction obtains the composite catalyst.
3. method according to claim 2, it is characterised in that the preparation method of the composite catalyst includes：(d) step
Mineral dust combustion step, including：First time burning process, heats 2-3 hours to be roasted by 50-300 DEG C of temperature
Burn；After second of burning process, completion first time burning process, by the natural crystal powder through first time burning with 300-
850 DEG C of temperature heats 0.5-10 hours to carry out second of burning；
(e) in the hybrid technique step of step, by the ore deposit through burning for being ground into 45 micron of -2 nanosized of 60-80% weight
The H of thing powder, 20-30% weight2The root of the natural plants being made up of agar of O and 2-10% weight, stem, the extract of leaf
Mixed, obtain the mixed-powder；
(e) fermentation process step of step, by the mixed-powder in maturation storehouse within -10 DEG C to 200 DEG C at a temperature of
Maturation is fermented for 10-90 days；
(f) sterilizing of step and drying steps, the High Temperature Rotating in roaster below 180 DEG C are sterilized for 0.5-2 hours,
And be dried with 150-200 DEG C of temperature；
(g) condition of culture of step culture mentioned microorganism is：Possess YEM culture mediums, TSB culture mediums, M9 culture mediums, LB cultures
The culture medium of base, culture is realized by 30-37 DEG C of scope of temperature range, and the composition for constituting YEM in the medium contains
Na2HPO4·12H2O：3.0-4.5g、K2HPO4：0.5-2.0g、MgSO4·7H2O：0.01-0.05g、NH4Cl:0.2-0.7g, ferment
Female extract 3.0-5.0g, agar 10-20g, distilled water 1.0L.
4. it is according to the method described in claim 1, it is characterised in that relative to fowl and animal excrement described in 100 parts by weight, described compound
The consumption of catalyst is 0.05-2 parts by weight.
5. according to the method described in claim 1, it is characterised in that the mixed material also contains organic carbon source material, relatively
In fowl and animal excrement described in 100 parts by weight, the consumption of the organic carbon source material is 10-100 parts by weight, the organic carbon source material
For stalk and/or rice husk.
6. according to the method described in claim 1, it is characterised in that the carbon-nitrogen ratio of the mixed material is 20-35, moisture content is
55-65%, pH are 6.5-8.5.
7. according to the method described in claim 1, it is characterised in that the condition of the fermented manure includes：To the mixture
Material ventilation, the frequency of the ventilation is 10-15h/ times, and Ventilation Rate is 80-150L/min, and duration of ventilation is 0.5-2h；It is described
The time of fermented manure is 120-240h.
8. according to the method described in claim 1, it is characterised in that the voltage strength of the electrolysis processing is 0.5-3.0V/cm.
9. according to the method described in claim 1, it is characterised in that the antibiotic is selected from tetracycline antibiotics, quinoline promise
In ketone antibiotic, sulfa antibiotics, terramycin class antibiotic, aureomycin class antibiotic and tylosin class antibiotic extremely
Few one kind；The heavy metal ion is selected from Cu2+、Zn2+、Cd2+、Cr6+And Mn2+In at least one.
10. according to the method described in claim 1, it is characterised in that the negative electrode is fine selected from graphite electrode, platinum electrode, carbon
Tie up at least one in electrode, lead dioxide electrode and boron-doped diamond film electrode；The anode is selected from platinum electrode, carbon fiber
At least one in electrode, lead dioxide electrode and boron-doped diamond film electrode.
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