CN108726829A - A kind of method of situ catalytic persulfate abatement livestock and poultry feces antibiotic - Google Patents
A kind of method of situ catalytic persulfate abatement livestock and poultry feces antibiotic Download PDFInfo
- Publication number
- CN108726829A CN108726829A CN201810630111.9A CN201810630111A CN108726829A CN 108726829 A CN108726829 A CN 108726829A CN 201810630111 A CN201810630111 A CN 201810630111A CN 108726829 A CN108726829 A CN 108726829A
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- livestock
- antibiotic
- persulfate
- poultry
- poultry feces
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/06—Treatment of sludge; Devices therefor by oxidation
-
- 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
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
There are the propagation risks of antibiotic and heavy metal to disclose a kind of method of situ catalytic persulfate abatement livestock and poultry feces antibiotic for the application of livestock and poultry solid waste returning to the field by the present invention, by adding a kind of auxiliary agent promoting antibiotic and copper ion release in livestock and poultry feces, the antibiotic that potentiometric titrations abatement livestock and poultry feces solid phase releases is generated using the copper ion catalytic activation persulfate released, the auxiliary agent main component includes chelating agent and inorganic acid, and the molar ratio of the chelating agent and inorganic acid is 5:1-7.5:1；The chelating agent includes disodium ethylene diamine tetraacetate or sodium citrate, and the inorganic acid includes hydrochloric acid, sulfuric acid or phosphoric acid.It is added in livestock and poultry feces with 0.02~0.5wt% ratios after the auxiliary agent and persulfate mixing and is handled, 30-60% can be improved in removal rate.The antibiotic in efficient situ catalytic persulfate oxidation processing livestock and poultry solid waste can be achieved, product is made to reach the method for agricultural fertilizer standard.
Description
Technical field
The invention belongs to environmental catalysis and waste resource utilization technology field, propose a kind of situ catalytic persulfate
Cut down the method for livestock and poultry feces antibiotic.
Background technology
With the development of livestock and poultry breeding industry, a large amount of antibiotic are used for livestock and poultry cultivation industry.However antibiotic is in livestock and poultry body
Interior to fully absorb, 30-70% can be excreted with excrement.Feces of livestock and poultry is as the weight that organic fertilizer is farmland antibiotic pollution
Want source.
The method of processing livestock and poultry feces includes mainly aerobic compost and anaerobic digestion at present, these methods have for antibiotic
There is certain removal effect, but antibiotic hinders it further there are still higher pollution risk in treated livestock and poultry feces
Safe utilization.The problem of being difficult to remove for antibiotic in current livestock and poultry feces, the present invention propose to promote poultry using a kind of auxiliary agent
Antibiotic and copper ion release, potentiometric titrations are generated using the copper ion catalytic activation persulfate released in brid guano dirt
The antibiotic that abatement livestock and poultry feces solid phase releases, makes product reach agricultural fertilizer standard.
Invention content
The present invention utilizes what is released by adding a kind of auxiliary agent promoting antibiotic and copper ion release in livestock and poultry feces
Copper ion catalytic activation persulfate generates the antibiotic that potentiometric titrations abatement livestock and poultry feces release, realizes efficiently former
Antibiotic in position catalysis persulfate oxidation processing livestock and poultry feces, makes product reach agricultural fertilizer standard.
The present invention particular content include：
A kind of method of situ catalytic persulfate abatement livestock and poultry feces antibiotic, after auxiliary agent is mixed with persulfate with
0.02~0.5wt% ratios, which are added in livestock and poultry feces, to be handled, and the auxiliary agent main component includes chelating agent and inorganic acid,
The molar ratio of the chelating agent and inorganic acid is 5:1-7.5:1；The chelating agent includes disodium ethylene diamine tetraacetate or citric acid
Sodium, the inorganic acid include hydrochloric acid, sulfuric acid or phosphoric acid.The antibiotic includes the common tetracycline of livestock and poultry cultivation, sulfanilamide (SN), quinoline promise
Ketone antibiotic, but not limited to this.
Further, the livestock and poultry feces are the fresh pig manure below of solid content 30%, chicken manure, cow dung and fermented rear life
The biogas residue of production.The livestock and poultry feces are the fresh wastes below of solid content 30% of semisolid, semi liquid state and liquid, especially suitable
Before farm's livestock and poultry feces are separated by solid-liquid separation.
Further, concentration range 100-10000 μ g/kg of the antibiotic in livestock and poultry feces.
Further, the auxiliary agent mixes in proportion with persulfate, molar ratio 20:1~80:1.
Further, the persulfate is one or more of sodium peroxydisulfate, potassium peroxydisulfate, ammonium persulfate.
Further, the processing procedure carries out at ambient temperature, and pH is between 4~6, processing time 4h.
It is bright to the degradation effect of antibiotic in identical persulfate dosage after auxiliary agent concerted catalysis
It is aobvious to improve.Specific raising degree is related with the auxiliary agent relative scale and reaction condition of addition.Comparatively, in other factors phase
With in the case of, auxiliary agent and persulfate ratio are more than 20:When 1, and improvement effect is notable within the scope of pH 4-6.
Compared with existing processing method, processing method proposed by the present invention has outstanding feature：
Be added a kind of auxiliary agent that promotion antibiotic and copper ion are discharged from livestock and poultry feces, the auxiliary agent can in copper ion and
The catalytic site that activation persulfate is formed in the livestock and poultry feces of antibiotic combined pollution generates potentiometric titrations, is strengthening
Antibiotic is removed while the catalytic performance of sulfate in situ, 30-60% can be improved in removal rate.Efficient situ catalytic mistake can be achieved
Oxide sulfate handles the antibiotic in livestock and poultry solid waste, and product is made to reach the method for agricultural fertilizer standard.
Description of the drawings
Fig. 1 antibiotic auxiliary agents cooperate with antibiotic effect contrast figure in persulfate removal livestock and poultry feces.
Specific implementation mode
The present invention is described in more detail with reference to the accompanying drawings and examples.
A kind of method of situ catalytic persulfate abatement livestock and poultry feces antibiotic, after auxiliary agent is mixed with persulfate with
0.02~0.5wt% ratios, which are added in livestock and poultry feces, to be handled, and the auxiliary agent main component includes chelating agent and inorganic acid,
The molar ratio of the chelating agent and inorganic acid is 5:1-7.5:1；The chelating agent includes disodium ethylene diamine tetraacetate or citric acid
Sodium, the inorganic acid include hydrochloric acid, sulfuric acid or phosphoric acid, and the antibiotic includes the common tetracycline of livestock and poultry cultivation, sulfanilamide (SN), quinoline promise
Ketone antibiotic.
Embodiment 1
It is respectively 20 according to mole by auxiliary agent and sodium peroxydisulfate:1,40:1,80:1 mixing, is added to 0.1% ratio and is contained
In the fresh cow dung of 1000 μ g/kg of terramycin, cow dung solid content 30%.It in pH=4, vibrates at room temperature, terramycin removes after 4h
Rate is 34.7-67.3%.As shown in table 1
Embodiment 2
By auxiliary agent and sodium peroxydisulfate according to molar ratio 80:1 mixing, is added to 0.2% ratio containing 200 μ g/ of Norfloxacin
In the biogas residue of kg, biogas residue solid content 10% is to be vibrated at room temperature within the scope of 4-6 in pH.Norfloxacin removal rate is after 4h
51.4-60.1%.As shown in table 1.
Embodiment 3
By auxiliary agent and sodium peroxydisulfate according to molar ratio 80:1 mixing, is added to 0.08% ratio containing 1000 μ of sulphadiazine
In the fresh pig manure of g/kg, pig manure solid content 20%, pH=4 vibrate at room temperature.Sulphadiazine removal rate is 50.6% after 4h.
As shown in table 1.
Embodiment 4
A kind of antibiotic auxiliary agent concerted catalysis persulfate processing livestock and poultry solid waste antibiotic method cost accounting, auxiliary agent price
7 yuan/kilogram often handle 1 ton of livestock and poultry solid waste, in terms of used additives 19g, price 7*19 ÷ 1000=0.13 members.Persulfate dosage
1.2g is counted, and 1.2 ÷ 1000*5.3=0.006 members need 0.13+0.006=0.136 yuan/ton.
1. antibiotic auxiliary agent of table cooperates with antibiotic condition optimizing in persulfate removal livestock and poultry feces
Technical scheme of the present invention is described in detail in above-described embodiment.It is apparent that the present invention is not limited being retouched
The embodiment stated.Based on the embodiments of the present invention, those skilled in the art can also make a variety of variations accordingly, but appoint
What is equal with the present invention or similar variation shall fall within the protection scope of the present invention.
Claims (6)
1. a kind of method of situ catalytic persulfate abatement livestock and poultry feces antibiotic, which is characterized in that by auxiliary agent and persulfuric acid
It is added in livestock and poultry feces with 0.02~0.5wt% ratios after salt mixing and is handled, the auxiliary agent main component includes chelating
The molar ratio of agent and inorganic acid, the chelating agent and inorganic acid is 5:1-7.5:1；The chelating agent includes ethylenediamine tetra-acetic acid two
Sodium or sodium citrate, the inorganic acid include hydrochloric acid, sulfuric acid or phosphoric acid, and the antibiotic includes the common Fourth Ring of livestock and poultry cultivation
Element, sulfanilamide (SN), quinolone antibiotics.
2. according to the method described in claim 1, it is characterized in that, the livestock and poultry feces are 30% fresh pigs below of solid content
Excrement, chicken manure, cow dung and the fermented rear biogas residue produced.
3. according to the method described in claim 1, it is characterized in that, concentration range 100- of the antibiotic in livestock and poultry feces
10000μg/kg。
4. according to the method described in claim 1, it is characterized in that, the auxiliary agent mixes in proportion with persulfate, molar ratio
It is 20:1~80:1.
5. according to the method described in claim 1, it is characterized in that, the persulfate is sodium peroxydisulfate, potassium peroxydisulfate, over cure
One or more of sour ammonium.
6. according to the method described in claim 1, it is characterized in that, the processing procedure carries out at ambient temperature, pH 4~
Between 6, processing time 4h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810630111.9A CN108726829B (en) | 2018-06-19 | 2018-06-19 | Method for reducing livestock and poultry manure antibiotic by in-situ catalysis of persulfate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810630111.9A CN108726829B (en) | 2018-06-19 | 2018-06-19 | Method for reducing livestock and poultry manure antibiotic by in-situ catalysis of persulfate |
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| Publication Number | Publication Date |
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| CN108726829A true CN108726829A (en) | 2018-11-02 |
| CN108726829B CN108726829B (en) | 2020-09-01 |
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| CN201810630111.9A Expired - Fee Related CN108726829B (en) | 2018-06-19 | 2018-06-19 | Method for reducing livestock and poultry manure antibiotic by in-situ catalysis of persulfate |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110803755A (en) * | 2019-11-19 | 2020-02-18 | 济南大学 | Preparation of composite water treatment oxidant based on sodium percarbonate and method for degrading antibiotics in livestock and poultry breeding wastewater by using composite water treatment oxidant |
| CN110803756A (en) * | 2019-11-19 | 2020-02-18 | 济南大学 | Preparation of novel composite water treatment oxidant and method for degrading arsenic-containing feed additive in livestock and poultry breeding wastewater |
| CN113651507A (en) * | 2021-09-14 | 2021-11-16 | 中国科学院南京土壤研究所 | Method for removing heavy metals in livestock and poultry manure/biogas residues and EKR-PRB coupling device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112250158A (en) * | 2020-09-30 | 2021-01-22 | 华中科技大学 | Method for oxidative degradation of PPCP pollutants by using alcohol-reinforced persulfate system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110803755A (en) * | 2019-11-19 | 2020-02-18 | 济南大学 | Preparation of composite water treatment oxidant based on sodium percarbonate and method for degrading antibiotics in livestock and poultry breeding wastewater by using composite water treatment oxidant |
| CN110803756A (en) * | 2019-11-19 | 2020-02-18 | 济南大学 | Preparation of novel composite water treatment oxidant and method for degrading arsenic-containing feed additive in livestock and poultry breeding wastewater |
| CN113651507A (en) * | 2021-09-14 | 2021-11-16 | 中国科学院南京土壤研究所 | Method for removing heavy metals in livestock and poultry manure/biogas residues and EKR-PRB coupling device |
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| CN108726829B (en) | 2020-09-01 |
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