CN105541014B - A kind of processing method of livestock breeding wastewater - Google Patents
A kind of processing method of livestock breeding wastewater Download PDFInfo
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- CN105541014B CN105541014B CN201511003887.0A CN201511003887A CN105541014B CN 105541014 B CN105541014 B CN 105541014B CN 201511003887 A CN201511003887 A CN 201511003887A CN 105541014 B CN105541014 B CN 105541014B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
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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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/026—Fenton's reagent
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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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)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The present invention provides a kind of processing methods of livestock breeding wastewater, belong to technical field of waste water processing, and pretreatment, heavy metal processing, antibiotic treatment and duckweed is used to cultivate 4 steps and carries out wastewater treatment.Wastewater treatment method of the present invention is mainly for summer livestock breeding wastewater, it is cultivated using duckweed, both the content of ammonia nitrogen in waste water, phosphorus had been reduced, natural feed is provided for livestock and poultry cultivation again, simultaneously so that waste water of livestock poultry has obtained good processing, the economic pressures of raiser are alleviated, while solve pollution problem.
Description
Technical field
The present invention relates to technical field of waste water processing, are on a kind of processing method of livestock breeding wastewater specifically.
Background technology
With the fast development of the intensive livestock and poultry breeding industry in China and the continuous expansion of management mode, livestock breeding wastewater is dirty
Dye problem is increasingly prominent.Nitrogen, phosphorus, antibiotic (such as sulfamido, macrolides and the tetracycline contained in livestock breeding wastewater
Class) it is low with heavy metal (copper, arsenic, zinc, lead and nickel etc.) isoconcentration be high harm pollutant, constituted to human health huge
Potential threat.
Duckweed is distributed in Chinese north and south various regions, and breeding is fast, is good pannage, duck feed；And the bait of grass carp.
Due to technology and economic dispatch, the missing of management aspect in addition, the pollutant emission of livestock and poultry farms in scale
To a great extent in the state let alone from " stream ", most of farm fails to carry out fowl and animal excrement effectively processing and profit
With feces of livestock and poultry enters water body turnover rate and is up to 30%.China's livestock and poultry farms in scale pollution reducing facility is built up at present
Rate is less than 30%, wherein minimum facility most of or cannot be up to standard.Therefore, the pollution problem of livestock and poultry farms in scale is urgently
It is to be solved.
The content of the invention
It is an object of the invention to provide a kind of processing method of livestock breeding wastewater, especially for summer livestock and poultry cultivation
Waste water processing.
To achieve the above object, the present invention uses following technical scheme：A kind of processing method of livestock breeding wastewater, it is special
Sign is, comprises the following steps：
(1) pre-process：Livestock breeding wastewater is discharged into the pretreatment pool equipped with large-scale agitating paddle, adds in a certain amount of flocculant
And after stirring 1h, 12h is stood, then carries out separation of solid and liquid；
(2) heavy metal processing pond：Supernatant liquid in step (1) is discharged into equipped with large-scale agitating paddle heavy metal processing pond,
PH value is adjusted, adds in heavy metal absorbent, adsorbs 24-48h；
(3) antibiotic treatment pond：Waste water in step (2) is discharged into antibiotic treatment pond, adjusts pH value, adds in Fenton examination
Agent, reaction carry out the process of step (1) after a certain period of time, wherein flocculation time of repose is 1-2h；
(4) duckweed aquaculture pond：Upper liquid in step (3) is discharged into duckweed aquaculture pond, adjusts pH value, duckweed is carried out and supports
It grows, can be discharged after culturing time.
Further, the flocculant is organic polymer coargulator.
Further, the weight percent of each component of the heavy metal absorbent is maize straw 32-40%, wheat
Stalk 23-28%, Poplar leaves 20-30%, beta-cyclodextrin 10-15%.
Further, the Fenton reagent of the step (3) is hydrogen peroxide and frerrous chloride, and the pH of reaction is 6.0-
7.0。
Further, the processing method is suitable for the processing of summer waste water.
The beneficial effects of the invention are as follows：1. wastewater treatment method technological innovation proposed by the present invention, has used chemical-biological
Etc. technologies combination；2. the present invention uses quick solid-liquid separation technique, subsequent reactions unit load is reduced；3. using duckweed
Cultivation, had not only reduced the content of ammonia nitrogen in waste water, phosphorus, but also natural feed is provided for livestock and poultry cultivation；4. the method for the present invention makes
It obtains waste water of livestock poultry and has obtained good processing, alleviate the economic pressures of raiser, while solve pollution problem.
Specific embodiment
The following detailed description of the specific implementation of the present invention, it is necessary to it is indicated herein to be, implement to be only intended to this hair below
Bright further explanation, it is impossible to be interpreted as the limitation to invention protection domain, field technology skilled person is according to above-mentioned hair
Some nonessential modifications and adaptations that bright content makes the present invention, still fall within protection scope of the present invention.
Embodiment 1
A kind of processing method of livestock breeding wastewater, comprises the following steps：
(1) pre-process：Livestock breeding wastewater is discharged into the pretreatment pool equipped with large-scale agitating paddle, adds in a certain amount of flocculant
And after stirring 1h, 12h is stood, then carries out separation of solid and liquid；
(2) heavy metal processing pond：Supernatant liquid in step (1) is discharged into equipped with large-scale agitating paddle heavy metal processing pond,
PH value is adjusted, adds in heavy metal absorbent, adsorbs 24-48h；
(3) antibiotic treatment pond：Waste water in step (2) is discharged into antibiotic treatment pond, it is 6.0 to adjust pH value, is added in
Hydrogen peroxide and frerrous chloride, the two molar ratio are 1.5:1, reaction carries out the process of step (1) after a certain period of time, wherein flocculating
Time of repose is 1.5h；
(4) duckweed aquaculture pond：Upper liquid in step (3) is discharged into duckweed aquaculture pond, it is 6.7 to adjust pH, carries out duckweed
It cultivates, can be discharged after culturing time.
Wherein, the flocculant is organic polymer coargulator.
Wherein, the weight percent of each component of the heavy metal absorbent is maize straw 32-40%, wheat stalk
23-28%, Poplar leaves 20-30%, beta-cyclodextrin 10-15%.
Wherein, the Fenton reagent of the step (3) is hydrogen peroxide and frerrous chloride, and the pH of reaction is 6.0-7.0.
Embodiment 2
A kind of processing method of livestock breeding wastewater, comprises the following steps：
(1) pre-process：Livestock breeding wastewater is discharged into the pretreatment pool equipped with large-scale agitating paddle, adds in a certain amount of flocculant
And after stirring 1h, 12h is stood, then carries out separation of solid and liquid；
(2) heavy metal processing pond：Supernatant liquid in step (1) is discharged into equipped with large-scale agitating paddle heavy metal processing pond,
PH value is adjusted, adds in heavy metal absorbent, adsorbs 24-48h；
(3) antibiotic treatment pond：Waste water in step (2) is discharged into antibiotic treatment pond, it is 6.5 to adjust pH value, is added in
Hydrogen peroxide and frerrous chloride, the two molar ratio are 1:1, reaction carries out the process of step (1) after a certain period of time, wherein it is quiet to flocculate
The time is put as 1h；
(4) duckweed aquaculture pond：Upper liquid in step (3) is discharged into duckweed aquaculture pond, it is 7.2 to adjust pH, carries out duckweed
It cultivates, can be discharged after culturing time.
Wherein, the flocculant is organic polymer coargulator.
Wherein, the weight percent of each component of the heavy metal absorbent is maize straw 32-40%, wheat stalk
23-28%, Poplar leaves 20-30%, beta-cyclodextrin 10-15%.
Embodiment 3
A kind of processing method of livestock breeding wastewater, comprises the following steps：
(1) pre-process：Livestock breeding wastewater is discharged into the pretreatment pool equipped with large-scale agitating paddle, adds in a certain amount of flocculant
And after stirring 1h, 12h is stood, then carries out separation of solid and liquid；
(2) heavy metal processing pond：Supernatant liquid in step (1) is discharged into equipped with large-scale agitating paddle heavy metal processing pond,
PH value is adjusted, adds in heavy metal absorbent, adsorbs 24-48h；
(3) antibiotic treatment pond：Waste water in step (2) is discharged into antibiotic treatment pond, pH value 7.0 is adjusted, added in
Hydrogen oxide and frerrous chloride, the two molar ratio are 2:1, reaction carries out the process of step (1) after a certain period of time, wherein flocculation is stood
Time is 2h；
(4) duckweed aquaculture pond：Upper liquid in step (3) is discharged into duckweed aquaculture pond, it is 7.3 to adjust pH, carries out duckweed
It cultivates, can be discharged after culturing time.
Wherein, the flocculant is organic polymer coargulator.
Wherein, the weight percent of each component of the heavy metal absorbent is maize straw 32-40%, wheat stalk
23-28%, Poplar leaves 20-30%, beta-cyclodextrin 10-15%.
Wherein, the wastewater treatment method of 3 embodiments is suitable only for the processing of summer waste water more than.
To disclosed in this invention the description of embodiment be not intended to limit the scope of the invention, but for describing
The present invention.Correspondingly, the scope of the present invention but is carried out from the limitation of embodiment of above by claim or its equivalent
It limits.
Claims (4)
1. a kind of processing method of livestock breeding wastewater, which is characterized in that comprise the following steps：
(1) pre-process：Livestock breeding wastewater is discharged into the pretreatment pool equipped with large-scale agitating paddle, a certain amount of flocculant is added in and stirs
After mixing 1h, 12h is stood, then carries out separation of solid and liquid；
(2) heavy metal processing pond：Supernatant liquid in step (1) is discharged into equipped with large-scale agitating paddle heavy metal processing pond, is adjusted
PH value adds in heavy metal absorbent, adsorbs 24-48h；
(3) antibiotic treatment pond：Waste water in step (2) is discharged into antibiotic treatment pond, adjusts pH value, adds in Fenton reagent,
Reaction carries out the process of step (1) after a certain period of time, wherein flocculation time of repose is 1-2h；
(4) duckweed aquaculture pond：Upper liquid in step (3) is discharged into duckweed aquaculture pond, adjusts pH value, carries out duckweed cultivation, is supported
It can be discharged after growing the time；
The weight percent of each component of the heavy metal absorbent for maize straw 32-40%, wheat stalk 23-28%,
Poplar leaves 20-30%, beta-cyclodextrin 10-15%.
2. the processing method of livestock breeding wastewater according to claim 1, which is characterized in that the flocculant is organic
High polymer coagulant.
3. the processing method of livestock breeding wastewater according to claim 1, which is characterized in that the sweet smell of the step (3)
The reagent that pauses is hydrogen peroxide and ferrous sulfate, and the pH of reaction is 6.0-7.0.
4. the processing method of livestock breeding wastewater according to claim 1, which is characterized in that the processing method is suitble to
In the processing of summer waste water.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511003887.0A CN105541014B (en) | 2015-12-29 | 2015-12-29 | A kind of processing method of livestock breeding wastewater |
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| CN201511003887.0A CN105541014B (en) | 2015-12-29 | 2015-12-29 | A kind of processing method of livestock breeding wastewater |
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| CN105541014B true CN105541014B (en) | 2018-05-25 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107473416A (en) * | 2016-06-07 | 2017-12-15 | 张德荣 | A kind of method of heavy metal ions removal in both culturing microalgae liquid |
| CN107487982A (en) * | 2017-09-22 | 2017-12-19 | 兴源环境科技股份有限公司 | A kind of feces of livestock and poultry desiccation conditioning medicament and desiccation dewatering process |
| CN108892262A (en) * | 2018-08-16 | 2018-11-27 | 蚌埠市腾宇水产养殖农民专业合作社 | A kind of method of aquaculture water cycling and reutilization |
| CN110759611B (en) * | 2019-12-30 | 2020-04-07 | 鲁东大学 | Sterilization treatment device for industrial aquaculture wastewater |
| CN113501631B (en) * | 2021-09-08 | 2021-11-12 | 南通西田环保科技有限公司 | Treatment process of livestock and poultry wastewater containing antibiotics |
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