CN109319977A - A kind of poultry farming wastewater treatment method - Google Patents
A kind of poultry farming wastewater treatment method Download PDFInfo
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- CN109319977A CN109319977A CN201811277434.0A CN201811277434A CN109319977A CN 109319977 A CN109319977 A CN 109319977A CN 201811277434 A CN201811277434 A CN 201811277434A CN 109319977 A CN109319977 A CN 109319977A
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/02—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of bagasse, megasse or the like
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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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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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
- C02F2001/007—Processes including a sedimentation step
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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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- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of poultry farming wastewater treatment methods, belong to poultry cultivating technology.The present invention is the following steps are included: waste water filtering, 1 coagulation of filtrate, the precipitating of filtrate 1, adjusting pH value, 1 antibiotic treatment of filtrate, absorption incinerator burn.The method of the invention includes multiple steps, and each step has used different reagents, and whole process includes multiple functions component, mutually coordinated between each component, can be by its Function to maximum.The large particulate matter in poultry farming waste water can be carried out coagulation by coagulant first, then do precipitation process, and atlapulgite and active carbon particle can adsorb finely ground particle substance.Fibrous raw material of the invention can adsorb antibiotic, so that the antibiotic amount in waste water is greatly reduced through the antibiotic of fibrous raw material absorption, finally do burning disposal.
Description
Technical field
The present invention relates to poultry cultivating technology more particularly to a kind of poultry farming wastewater treatment methods.
Background technique
In recent years, with the propulsion of adjustment and the agriculture industrialization of China's structure of agricultural production, scale, intensive livestock and poultry are supported
It grows industry to be grown rapidly, becomes the important component of China's Economy of agriculture and countryside.But one side of development of these farms
Face meets city dweller to the wilderness demand of meat, birds, beasts and eggs group food, also becomes the important pollution sources of polluted-water.China is every
The wastewater discharge of year livestock and poultry cultivation is more than 10,000,000,000 tons, considerably beyond national industrial wastewater and sanitary wastewater discharge amount summation.Together
When the fluctuation of waste water of livestock poultry water it is big, dregginess, organic matter and concentration of nitrogen and phosphorus are high, and processing technique is not mature enough, management operating cost
It is high.The processing work that China has many scale livestock farmings to carry out livestock breeding wastewater at present, but scale livestock farming
National grade one discharge standard has not yet been reached in the wastewater treatment effluent quality overwhelming majority, far away from the one of Industrial Wastewater Treatment compliance rate
Half.Therefore livestock culture industry is greatly developed brought problem of environmental pollution and is also got worse, it not only influences economic development, and
And also jeopardize ecological safety, it has also become the social concern of people's common concern.Currently, China about generates feces of livestock and poultry 4,500,000,000 every year
Ton, COD is considerably beyond the sum of China's industrial wastewater and sanitary sewage.Pollution from livestock and poultry has become after industrial dirty
One of the main reason for contaminating, the third-largest pollution sources after domestic pollution, becoming China's rural pollution.Therefore, to effectively reduce
Pollution of the livestock breeding wastewater to environment guarantees the steady and sound development of China's livestock and poultry breeding industry, researchs and develops to adaptation to local conditions
The processing technique of waste water of livestock poultry efficiently, inexpensive is extremely urgent.
Since breeding wastewater is that excrement and urine waste collects, nitrogen phosphorus rich in can as needed realize farmland and provide
Sourceization utilizes, and sufficiently realizes recycling for resource.However, pH value and salinity are indefinite due to more rich in substance in waste water,
It directly irrigates and easily leads to soil acid-base and salinization, soil is damaged.
State Intellectual Property Office disclosed on 04 06th, 2018 application No. is CN201721097859.4, and entitled one
The utility model of kind poultry farming waste water quality high-level cleaner, discloses a kind of breeding wastewater quality purifying device for water, especially
It is related to a kind of poultry farming waste water quality high-level cleaner.The utility model technical problems to be solved are to provide one kind can
Carry out preliminary purification, energy-saving and environment-friendly poultry farming waste water quality high-level cleaner.In order to solve the above-mentioned technical problem, the reality
Such a poultry farming waste water quality high-level cleaner is provided with novel, includes pedestal, bracket, separator box, filtering
Device, water inlet pipe etc.；There are two bracket, cradle top is provided with separator box for base top setting, is provided at the top of separator box
Device is filtered, water inlet pipe is provided with above filter device, is provided with water pump on water inlet pipe.The utility model has reached can be to poultry
The environmentally protective effect of breeding wastewater high-efficient purification, energy conservation, the utility model carry out preliminary mistake by the rubble in filter device
Filter, addition flocculant uniformly mix again, form particulate contamination, then handled, structure novel is practical.
State Intellectual Property Office discloses on December 23rd, 2015 application No. is CN201510595145.5, and entitled one
The patent of invention of the processing method of kind livestock breeding wastewater, discloses a kind of processing method of livestock breeding wastewater, this method packet
Include following steps: precipitation process, compost treatment, heat treatment, Anammox processing, secondary precipitation processing, separation discharge.This
Fowl breeding wastewater is first separated and is handled respectively again by method, and this method carries out at compost after separating sludge
Reason, sludge can be re-utilized effectively, improve economic value, reduce processing cost, and isolated last time
Liquid can be discharged after passing through heat treatment, Anammox processing, secondary precipitation processing again, simplified processing step, mentioned
High efficiency.
State Intellectual Property Office disclosed on May 20th, 2015 application No. is CN201310557242.6, entitled family
The patent of invention of fowl breeding wastewater water purification agent, discloses a kind of water purification agent, is related to a kind of poultry farming waste water water purification mode, is one
Kind of breeding wastewater water purification agent, it by the score ratio preparation by weight of ferrous sulfate, sulfuric acid, calcium chloride, magnesium chloride, sodium metasilicate and water and
At.The present invention is good to cultivation wastewater purification effect, can effectively be purified to the nutriment in sewage.Simple process, at
Sheet is low, does not have secondary pollution, is easy to use.
State Intellectual Property Office disclosed on 08 18th, 2017 application No. is CN201710310838.4, and entitled one
The patent of invention of the method for antibiotics resistance gene, discloses a kind of removal livestock breeding wastewater in kind removal livestock breeding wastewater
The method of middle antibiotics resistance gene, this method are combined technique in livestock breeding wastewater by coagulating sedimentation-free-radical oxidation
Antibiotics resistance gene (ARGs) be removed.Steps are as follows to reason everywhere in livestock breeding wastewater for this method: supporting to livestock and poultry
It grows dosing coagulant in waste water and carries out coagulation operation, precipitated after coagulation, isolate the supernatant of livestock breeding wastewater；
Fe and peroxydisulfate is added in clear liquid then up or peroxy-monosulfate excites free radical, the free radical is to the resistance in water sample
Gene carries out oxidation removal；Coagulating sedimentation and free-radical oxidation combination technique are reachable to the removal rate of ARGs in livestock breeding wastewater
1 ~ 6log unit.This method is easy to operate, and economic cost is lower, can have to antibiotics resistance gene in livestock breeding wastewater
The removal of effect provides a kind of new feasible technical method to solve the propagation of resistant gene.
By the above-mentioned prior art it is found that poultry farming waste water has many ingredients, direct emission pollutes the environment.It is at present
During fowl cultivating wastewater purification, mostly can also further it be purified using some water purification agent is sprinkled into water, treatment effect
It is bad, therefore need to research and develop and a kind of be able to carry out preliminary purification, energy conservation and environmental protection, eliminate the useless of biologic garbage in poultry farming waste water
Water treatment agent.
Summary of the invention
In order to solve above-mentioned problems of the prior art, the invention proposes a kind of poultry farming wastewater treatment sides
Method, the poultry farming wastewater treatment method are capable of the impurity of rapid precipitation poultry farming waste water, while will be in poultry farming waste water
Common antibiotic is handled, to complete the efficient process to poultry farming waste water.
The technical solution of the present invention is as follows:
A kind of poultry farming wastewater treatment method, comprising the following steps:
A. waste water filtering
By poultry farming waste water by strainer filtering, filtrate 1 and filter residue 1 are obtained.
B. 1 coagulation of filtrate
4~10 parts of coagulant are added into filtrate 1, are stirred until homogeneous.Uniform judgment criteria is to take at least 3 parts of samples at random,
The variance of its density is not more than 3.
C. filtrate 1 is precipitated
2~5 parts of ferrous sulfate of addition, 2~6 parts of calcium chloride and 0.05~0.2 part of magnesium chloride in filtrate 1 into step B.
Stand 4~8h；Filtrate 2 and filter residue 2 is obtained by filtration.
D. pH value is adjusted
2~5 parts of sulfuric acid are added into filtrate 2；Adjust pH≤5.5；Obtain acid filtrate 2.
E. 1 antibiotic treatment of filtrate
2~5 parts of sodium metasilicate and 40~60 parts of fibrous raw materials are added in oxytropism filtrate 2；50~70 DEG C at a temperature of heating 2~
5h；Filter residue 3 and filtrate 3 is obtained by filtration.
F. it adsorbs
2~5 parts of atlapulgites and 10~20 parts of active particles will be added in filtrate 3；Water after suction, which returns, to be used.
G. incinerator burns
By filter residue 1, filter residue 2 and filter residue 3 in burning disposal in closed container.
In step A of the present invention, the pore size of the filter screen is less than 1cm.
In step B of the present invention, the coagulant is aluminium polychloride, polyaluminium sulfate, ferric trichloride, bodied ferric sulfate
With one of aluminum sulfate or two or more mixing.
Present invention dwell temperature described in step C is 20~30 DEG C.
For the present invention in step E, the fibrous raw material refers to sawdust, stalk, straw or chaff.
For the present invention in step F, the specific surface area of the active carbon particle is 500~1000m2/g；The active carbon
The aperture of grain is 10~30 μm.
The present invention is in step F, the relative density 2.3~2.5 of the atlapulgite.
Bring beneficial effect of the present invention has:
(1) the method for the invention includes multi-step, and each step has used different reagents, and whole process includes a variety of function
Can component, it is mutually coordinated between each component, can be by its Function to maximum.Coagulant can give up poultry farming first
Large particulate matter in water carries out coagulation, then does precipitation process, and atlapulgite and active carbon particle can be by small particles
Matter is adsorbed.Fibrous raw material of the invention can adsorb antibiotic, so that the antibiotic amount in waste water greatly reduces
And the antibiotic adsorbed by fibrous raw material, finally do burning disposal.
(2) specific surface area of active carbon particle of the present invention is limited in a specific range, the activity within the scope of this
Charcoal particle can cooperate with atlapulgite, the adsorption effect being optimal.
(3) fibrous raw material of the invention can be limited to a range, can cross the particle size of 40~100 meshes, this
Range can all absorb most antibiotic, and antibiotic in poultry farming waste water is effectively treated to reach.
Specific embodiment
Embodiment 1
A kind of poultry farming wastewater treatment method, comprising the following steps:
A. waste water filtering
By poultry farming waste water by strainer filtering, filtrate 1 and filter residue 1 are obtained.
B. 1 coagulation of filtrate
4~10 parts of coagulant are added into filtrate 1, are stirred until homogeneous.
C. filtrate 1 is precipitated
2~5 parts of ferrous sulfate of addition, 2~6 parts of calcium chloride and 0.05~0.2 part of magnesium chloride in filtrate 1 into step B.
Stand 4~8h；Filtrate 2 and filter residue 2 is obtained by filtration.
D. pH value is adjusted
2~5 parts of sulfuric acid are added into filtrate 2；Adjust pH≤5.5；Obtain acid filtrate 2.
E. 1 antibiotic treatment of filtrate
2~5 parts of sodium metasilicate and 40~60 parts of fibrous raw materials are added in oxytropism filtrate 2；50~70 DEG C at a temperature of heating 2~
5h；Filter residue 3 and filtrate 3 is obtained by filtration.
F. it adsorbs
2~5 parts of atlapulgites and 10~20 parts of active particles will be added in filtrate 3；Water after suction, which returns, to be used.
G. incinerator burns
By filter residue 1, filter residue 2 and filter residue 3 in burning disposal in closed container.
Embodiment 2
A kind of poultry farming wastewater treatment method, comprising the following steps:
A. waste water filtering
By poultry farming waste water by strainer filtering, filtrate 1 and filter residue 1 are obtained.
B. 1 coagulation of filtrate
4~10 parts of coagulant are added into filtrate 1, are stirred until homogeneous.
C. filtrate 1 is precipitated
2~5 parts of ferrous sulfate of addition, 2~6 parts of calcium chloride and 0.05~0.2 part of magnesium chloride in filtrate 1 into step B.
Stand 4~8h；Filtrate 2 and filter residue 2 is obtained by filtration.
D. pH value is adjusted
2~5 parts of sulfuric acid are added into filtrate 2；Adjust pH≤5.5；Obtain acid filtrate 2.
E. 1 antibiotic treatment of filtrate
2~5 parts of sodium metasilicate and 40~60 parts of fibrous raw materials are added in oxytropism filtrate 2；50~70 DEG C at a temperature of heating 2~
5h；Filter residue 3 and filtrate 3 is obtained by filtration.
F. it adsorbs
2~5 parts of atlapulgites and 10~20 parts of active particles will be added in filtrate 3；Water after suction, which returns, to be used.
G. incinerator burns
By filter residue 1, filter residue 2 and filter residue 3 in burning disposal in closed container.
In step A of the present invention, the pore size of the filter screen is less than 1cm.
Embodiment 3
A kind of poultry farming wastewater treatment method, comprising the following steps:
A. waste water filtering
By poultry farming waste water by strainer filtering, filtrate 1 and filter residue 1 are obtained.
B. 1 coagulation of filtrate
4~10 parts of coagulant are added into filtrate 1, are stirred until homogeneous.
C. filtrate 1 is precipitated
2~5 parts of ferrous sulfate of addition, 2~6 parts of calcium chloride and 0.05~0.2 part of magnesium chloride in filtrate 1 into step B.
Stand 4~8h；Filtrate 2 and filter residue 2 is obtained by filtration.
D. pH value is adjusted
2~5 parts of sulfuric acid are added into filtrate 2；Adjust pH≤5.5；Obtain acid filtrate 2.
E. 1 antibiotic treatment of filtrate
2~5 parts of sodium metasilicate and 40~60 parts of fibrous raw materials are added in oxytropism filtrate 2；50~70 DEG C at a temperature of heating 2~
5h；Filter residue 3 and filtrate 3 is obtained by filtration.
F. it adsorbs
2~5 parts of atlapulgites and 10~20 parts of active particles will be added in filtrate 3；Water after suction, which returns, to be used.
G. incinerator burns
By filter residue 1, filter residue 2 and filter residue 3 in burning disposal in closed container.
In step B of the present invention, the coagulant is aluminium polychloride, polyaluminium sulfate, ferric trichloride, bodied ferric sulfate
With one of aluminum sulfate or two or more mixing.
Embodiment 4
A kind of poultry farming wastewater treatment method, comprising the following steps:
A. waste water filtering
By poultry farming waste water by strainer filtering, filtrate 1 and filter residue 1 are obtained.
B. 1 coagulation of filtrate
4~10 parts of coagulant are added into filtrate 1, are stirred until homogeneous.
C. filtrate 1 is precipitated
2~5 parts of ferrous sulfate of addition, 2~6 parts of calcium chloride and 0.05~0.2 part of magnesium chloride in filtrate 1 into step B.
Stand 4~8h；Filtrate 2 and filter residue 2 is obtained by filtration.
D. pH value is adjusted
2~5 parts of sulfuric acid are added into filtrate 2；Adjust pH≤5.5；Obtain acid filtrate 2.
E. 1 antibiotic treatment of filtrate
2~5 parts of sodium metasilicate and 40~60 parts of fibrous raw materials are added in oxytropism filtrate 2；50~70 DEG C at a temperature of heating 2~
5h；Filter residue 3 and filtrate 3 is obtained by filtration.
F. it adsorbs
2~5 parts of atlapulgites and 10~20 parts of active particles will be added in filtrate 3；Water after suction, which returns, to be used.
G. incinerator burns
By filter residue 1, filter residue 2 and filter residue 3 in burning disposal in closed container.
Present invention dwell temperature described in step C is 20~30 DEG C.
Embodiment 5
A kind of poultry farming wastewater treatment method, comprising the following steps:
A. waste water filtering
By poultry farming waste water by strainer filtering, filtrate 1 and filter residue 1 are obtained.
B. 1 coagulation of filtrate
4~10 parts of coagulant are added into filtrate 1, are stirred until homogeneous.
C. filtrate 1 is precipitated
2~5 parts of ferrous sulfate of addition, 2~6 parts of calcium chloride and 0.05~0.2 part of magnesium chloride in filtrate 1 into step B.
Stand 4~8h；Filtrate 2 and filter residue 2 is obtained by filtration.
D. pH value is adjusted
2~5 parts of sulfuric acid are added into filtrate 2；Adjust pH≤5.5；Obtain acid filtrate 2.
E. 1 antibiotic treatment of filtrate
2~5 parts of sodium metasilicate and 40~60 parts of fibrous raw materials are added in oxytropism filtrate 2；50~70 DEG C at a temperature of heating 2~
5h；Filter residue 3 and filtrate 3 is obtained by filtration.
F. it adsorbs
2~5 parts of atlapulgites and 10~20 parts of active particles will be added in filtrate 3；Water after suction, which returns, to be used.
G. incinerator burns
By filter residue 1, filter residue 2 and filter residue 3 in burning disposal in closed container.
For the present invention in step E, the fibrous raw material refers to sawdust, stalk, straw or chaff.
Embodiment 6
A kind of poultry farming wastewater treatment method, comprising the following steps:
A. waste water filtering
By poultry farming waste water by strainer filtering, filtrate 1 and filter residue 1 are obtained.
B. 1 coagulation of filtrate
4~10 parts of coagulant are added into filtrate 1, are stirred until homogeneous.
C. filtrate 1 is precipitated
2~5 parts of ferrous sulfate of addition, 2~6 parts of calcium chloride and 0.05~0.2 part of magnesium chloride in filtrate 1 into step B.
Stand 4~8h；Filtrate 2 and filter residue 2 is obtained by filtration.
D. pH value is adjusted
2~5 parts of sulfuric acid are added into filtrate 2；Adjust pH≤5.5；Obtain acid filtrate 2.
E. 1 antibiotic treatment of filtrate
2~5 parts of sodium metasilicate and 40~60 parts of fibrous raw materials are added in oxytropism filtrate 2；50~70 DEG C at a temperature of heating 2~
5h；Filter residue 3 and filtrate 3 is obtained by filtration.
F. it adsorbs
2~5 parts of atlapulgites and 10~20 parts of active particles will be added in filtrate 3；Water after suction, which returns, to be used.
G. incinerator burns
By filter residue 1, filter residue 2 and filter residue 3 in burning disposal in closed container.
For the present invention in step F, the specific surface area of the active carbon particle is 500~1000m2/g；The active carbon
The aperture of grain is 10~30 μm.
The present invention is in step F, the relative density 2.3~2.5 of the atlapulgite.
Embodiment 7
A kind of poultry farming wastewater treatment method, comprising the following steps:
A. waste water filtering
By poultry farming waste water by strainer filtering, filtrate 1 and filter residue 1 are obtained.
B. 1 coagulation of filtrate
4~10 parts of coagulant are added into filtrate 1, are stirred until homogeneous.
C. filtrate 1 is precipitated
2~5 parts of ferrous sulfate of addition, 2~6 parts of calcium chloride and 0.05~0.2 part of magnesium chloride in filtrate 1 into step B.
Stand 4~8h；Filtrate 2 and filter residue 2 is obtained by filtration.
D. pH value is adjusted
2~5 parts of sulfuric acid are added into filtrate 2；Adjust pH≤5.5；Obtain acid filtrate 2.
E. 1 antibiotic treatment of filtrate
2~5 parts of sodium metasilicate and 40~60 parts of fibrous raw materials are added in oxytropism filtrate 2；50~70 DEG C at a temperature of heating 2~
5h；Filter residue 3 and filtrate 3 is obtained by filtration.
F. it adsorbs
2~5 parts of atlapulgites and 10~20 parts of active particles will be added in filtrate 3；Water after suction, which returns, to be used.
G. incinerator burns
By filter residue 1, filter residue 2 and filter residue 3 in burning disposal in closed container.
In step A of the present invention, the pore size of the filter screen is less than 1cm.
In step B of the present invention, the coagulant is aluminium polychloride, polyaluminium sulfate, ferric trichloride, bodied ferric sulfate
With one of aluminum sulfate or two or more mixing.
Present invention dwell temperature described in step C is 20~30 DEG C.
For the present invention in step E, the fibrous raw material refers to sawdust, stalk, straw or chaff.
For the present invention in step F, the specific surface area of the active carbon particle is 500~1000m2/g；The active carbon
The aperture of grain is 10~30 μm.
The present invention is in step F, the relative density 2.3~2.5 of the atlapulgite.
Embodiment 8
A kind of poultry farming wastewater treatment method, including the following components according to poidometer:
Sulfuric acid 3kg；
4 kg of coagulant；
3 kg of ferrous sulfate；
3.5 kg of calcium chloride；
0.1 kg of magnesium chloride；
2.3 kg of sodium metasilicate；
4.2 kg of atlapulgite；
12.1 kg of active particle；
44 kg of fibrous raw material.
Fibrous raw material refers to sawdust.
Embodiment 9
A kind of poultry farming wastewater treatment method, including the following components according to poidometer:
Sulfuric acid 3kg；
7 kg of coagulant；
4.5 kg of ferrous sulfate；
5.5 kg of calcium chloride；
0.2 kg of magnesium chloride；
2.1 kg of sodium metasilicate；
2.2 kg of atlapulgite；
14 kg of active particle；
47 kg of fibrous raw material.
Wherein the aperture of active carbon particle is 10 μm.
The specific embodiment of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
The limitation to the application protection scope therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, under the premise of not departing from technical scheme design, various modifications and improvements can be made, these belong to this
The protection scope of application.
Claims (7)
1. a kind of poultry farming wastewater treatment method, it is characterised in that: the following steps are included:
A. waste water filtering
By poultry farming waste water by strainer filtering, filtrate 1 and filter residue 1 are obtained；
B. 1 coagulation of filtrate
4~10 parts of coagulant are added into filtrate 1, are stirred until homogeneous；
C. filtrate 1 is precipitated
2~5 parts of ferrous sulfate of addition, 2~6 parts of calcium chloride and 0.05~0.2 part of magnesium chloride in filtrate 1 into step B；
Stand 4~8h；Filtrate 2 and filter residue 2 is obtained by filtration；
D. pH value is adjusted
2~5 parts of sulfuric acid are added into filtrate 2；Adjust pH≤5.5；Obtain acid filtrate 2；
E. 1 antibiotic treatment of filtrate
2~5 parts of sodium metasilicate and 40~60 parts of fibrous raw materials are added in oxytropism filtrate 2；50~70 DEG C at a temperature of heating 2~
5h；Filter residue 3 and filtrate 3 is obtained by filtration；
F. it adsorbs
2~5 parts of atlapulgites and 10~20 parts of active particles will be added in filtrate 3；Water after suction, which returns, to be used；
G. incinerator burns
By filter residue 1, filter residue 2 and filter residue 3 in burning disposal in closed container.
2. poultry farming wastewater treatment method as described in claim 1, it is characterised in that: in step, the filter screen
Pore size is less than 1cm.
3. poultry farming wastewater treatment method as described in claim 1, it is characterised in that: in stepb, the coagulant is
One of aluminium polychloride, polyaluminium sulfate, ferric trichloride, bodied ferric sulfate and aluminum sulfate or two or more mixing.
4. poultry farming wastewater treatment method as described in claim 1, it is characterised in that: the dwell temperature described in step C
It is 20~30 DEG C.
5. poultry farming wastewater treatment method as described in claim 1, it is characterised in that: in step E, the fibrous raw material
Refer to sawdust, stalk, straw or chaff.
6. poultry farming wastewater treatment method as described in claim 1, it is characterised in that: in step F, the active carbon
The specific surface area of grain is 500~1000m2/g；The aperture of the active carbon particle is 10~30 μm.
7. poultry farming wastewater treatment method as described in claim 1, it is characterised in that: in step F, the activity is white
The relative density 2.3~2.5 of soil.
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