CN105731658A - Biological enhancer for treating livestock and poultry breeding wastewater and preparation method thereof - Google Patents
Biological enhancer for treating livestock and poultry breeding wastewater and preparation method thereof Download PDFInfo
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- CN105731658A CN105731658A CN201610202116.2A CN201610202116A CN105731658A CN 105731658 A CN105731658 A CN 105731658A CN 201610202116 A CN201610202116 A CN 201610202116A CN 105731658 A CN105731658 A CN 105731658A
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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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/347—Use of yeasts or fungi
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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
- C02F1/52—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
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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
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
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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
- C02F3/02—Aerobic processes
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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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- 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
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The invention provides a biological enhancer used for treating livestock and poultry breeding wastewater and having higher pertinence and purification efficiency.The biological enhancer is prepared from a microbial agent, soluble iron salt and soluble cobalt salt, wherein the number of effective living bacteria in the microbial agents is not less than 10 billions/g, the living bacteria include at least bacillus licheniformis, and the weight ratio of the bacillus licheniformis to an iron element to a cobalt element is 1:(0.010-0.085):(0.0010-0.0095).The composite biological enhancer is prepared by analyzing the components of the livestock and poultry breeding wastewater and selectively proportioning the microbial agent, a chemical agent and a biological agent, the components of the livestock and poultry breeding wastewater can be effectively supplemented and improved, the biological activities of biochemical treatment units in a sewage treatment system are improved, biochemical reaction is accelerated, the efficiency of a livestock and poultry breeding wastewater treatment system is improved, and the effluent water quality of the livestock and poultry breeding wastewater is effectively improved.
Description
Technical field
The present invention relates to a kind of biological preparation for wastewater treatment, particularly relate to a kind of biological reinforced dose that processes livestock breeding wastewater and preparation method thereof, belong to biological environmental production field.
Background technology
The process technique of livestock breeding wastewater is varied, but the basic schema of biochemical treatment part is mainly anaerobism in conjunction with Aerobic Process for Treatment.Wherein, Aerobic treatment method is concentrated mainly on activated sludge process and contact oxidation method, also Some Enterprises is had to adopt oxidation ditch process, but the water outlet COD after its process is still at more than 500mg/L, and most process all needs to add plant's raw wastewater, the time of staying is typically in 15～30 days, causes the problems such as reactor volume is huge, energy consumption is higher, sludge yield is many, and treatment effect is all not satisfactory.
Chinese patent CN201410657644.8 discloses a kind of method that multistage microbial augmentation improves livestock breeding wastewater treatment effeciency, the different biochemical treatment unit for the treatment of facility add different types of purifying water micrcxDrganism preparation, enhanced sewage treatment effect, thus significantly improving each processing unit sewage treating efficiency；Chinese patent application CN201310557242.6 discloses a kind of chemically composited medicament being prepared from by ferrous sulfate, sulphuric acid, calcium chloride, magnesium chloride, sodium silicate and water score ratio by weight, nutrient substance contained in poultry farming waste water is removed, thus reaching to purify the purpose of waste water by forming flocculating effect.
In above-mentioned processing method, only with microbial bacterial agent, it is used for supplementing the deficiency of the microorganism in livestock breeding wastewater with degradation function, but other pollution problem, as: the C/N/P that breeding wastewater itself exists is out of proportion, part trace element deficiency, content of cellulose are high, it is impossible to improve by adding the method for functional microorganism microbial inoculum；Only with the chemical flocculation medicament with universality, particulate matter is removed by flocculation, precipitation, although this method can reach to purify purpose, but process lacking of property, and the material such as chloride ion, sulfate radical can be introduced in waste water, in the precipitation produced, the concentration of metal ions such as ferrum, aluminum is higher, there is the potential risk of secondary pollution.
Summary of the invention
It is an object of the invention to provide a kind of for livestock breeding wastewater process more targetedly, purification efficiency is higher biological reinforced dose.The present invention is by analyzing livestock breeding wastewater composition, selectivity proportioning microbial bacterial agent, chemical agent and biological agent, thus preparing biological reinforced dose of a kind of compound, effectively to supplement and to improve the composition of livestock breeding wastewater, improve the biological activity of sewage disposal system mesophytization processing unit, and accelerate biochemical reaction, improve livestock breeding wastewater and process system effectiveness, be effectively improved the effluent quality of livestock breeding wastewater.
The present invention also aims to provide a kind of preparation method of this kind biological reinforced dose.
In order to achieve the above object, technical scheme is as follows:
The invention provides a kind of biological reinforced dose processed for livestock breeding wastewater, it is characterised in that including:
Microbial bacterial agent, including Bacillus licheniformis, it is preferable that also include Candida tropicalis and its weight ratio 2:1～1.5；Described microbial bacterial agent living bacteria count is not less than 10,000,000,000/g；These two kinds of microbial strains are based on the component analysis to numerous livestock breeding wastewaters and select collocation, and they can be worked in coordination with mutually, and do not produce antagonism with the original microorganism of wastewater biochemical system；
One or several in soluble ferric iron salt, it is preferable that one or several in iron sulfate, iron chloride and ferric nitrate, with iron salt in supplementary livestock breeding wastewater, produce flocculation simultaneously, and form precipitation with sulfide, reduce hydrogen sulfide and produce；
One or several in soluble cobalt, it is preferable that in cobaltous chloride, cobaltous sulfate and cobalt nitrate one or several, with the deficiency of cobalt ion in supplementary livestock breeding wastewater, improve microbial activity；
Wherein, the weight ratio of above-mentioned constituent is: the weight ratio of Bacillus licheniformis, ferrum element and cobalt element is 1:0.010～0.085:0.0010～0.0095.
Preferably, described biological reinforced dose also includes ammonium phosphate, it is possible to supplement quick-acting phosphorus source and nitrogenous source, both quick-acting nutritious sources simultaneously, it is possible to is quickly utilized by the microorganisms fast, accelerates its growth and breeding, promotes microbial activity in biochemical system.
Preferably, described biological reinforced dose also includes cellulase, for the degraded of the cellulose substances being promoted difficult degradation by zymolysis.
Preferably, described microbial bacterial agent and described cellulase are pressed powder, to be conducive to preserving and maintaining living bacteria count amount.
Preferably, above-mentioned repertoire (includes chemicals) and is pressed powder, and size is 40～60 orders.
Alternatively, above-mentioned each constituent pressed powder parts by weight are: Bacillus licheniformis 2～6 parts, Candida tropicalis 1～3 part, cellulase 0.2～0.7 part, soluble ferric iron salt 0.1～0.3 part, 0.4～0.7 part of ammonium phosphate, soluble cobalt 0.005～0.02 part.
The preparation method that present invention also offers above-mentioned biological reinforced dose processed for livestock breeding wastewater, it is characterised in that comprise the steps:
1) mixing soluble cobalt and soluble ferric iron salt, become chemical mixture A；
2) distinguish mixed microorganism microbial inoculum successively, become microbial inoculum mixture B；
3) before use, mix above-mentioned A and B, namely complete to prepare biological reinforced dose.
Preferably, step 2) middle addition cellulase, after it is mixed with a kind of microbial bacterial agent, then mix with other microbial bacterial agents.
Preferably, in step 1) in obtain chemical mixture A in can also add ammonium phosphate.
Technical scheme provides the benefit that:
nullA) each constituent of biological reinforced dose processed for livestock breeding wastewater provided by the invention，All it is based on the carbon source (especially cellulose substances) in livestock breeding wastewater、Nitrogenous source、Phosphorus source、Existing trace element kind sum quantitative analysis result，And combine the analysis result of the Plasma-Atomic Emission spectrum to 19 kinds of ion concentrations in livestock breeding wastewater，Arrange in pairs or groups to the property selected and form，So that wastewater treatment is more targeted，And by add in livestock breeding wastewater general lack of trace metal ion (ferrum and two kinds of metallic elements of cobalt)，Supplement the not enough composition in livestock breeding wastewater，It is effectively improved the biodegradability of waste water，And the growth and breeding of microorganism species in livestock breeding wastewater biochemical treatment system can be promoted，Improve its metabolism、Promote biodegradability，The disposal ability and the impact resistance that finally realize livestock breeding wastewater biochemical treatment system promote；
B) added amount of chemical is few, but can significantly improve built livestock breeding wastewater and process the COD clearance of engineering；
C) in biological reinforced dose provided by the invention, microbial bacteria, enzyme agent can act on chemical agent simultaneously, growth of microorganism in biochemical sewage system, efficient degradation sewage Middle nutrition material, the foam reducing processing procedure generation and stink can be promoted, improve aerobic treatment unit microbial activity；
D) in this preparation method of biological reinforced dose, first chemical mixture is separated preparation with bacterium enzymatic mixture, mixing before use again, this method effectively prevent the concentration of metal ions contained in the chemicals suppression to bacterium enzymatic activity, thus more effectively improving biochemical system degradation capability；Additionally, this method is simple, do not need additionally to add microbe carrier, be more convenient for Practical Project operation and application.
Detailed description of the invention
In order to illustrate technical scheme and technical purpose, the present invention is described further by embodiment in detail below.
Embodiment 1
Certain vaccary sewage treatment project, the process water yield is 150m3/ d, sewage treatment process is: all excrement stain disease in vaccary fully enter regulating reservoir, within it after solid-liquid separating machine, the boosted pump of supernatant fraction enters marsh-gas fermentation tank anaerobic fermentation, biogas slurry after fermentation is from flowing into after contact-oxidation pool carries out Aerobic Process for Treatment, then through can qualified discharge after air-flotation process.Wherein, aerobic unit influent COD 1400mg/L, Aerobic Process for Treatment adopts contact oxidation method.
Configuring biological reinforced dose, concrete grammar is as follows:
1) it is taken as the following compositions of pressed powder (40～60 order), and its parts by weight are: Bacillus licheniformis 2 parts, Candida tropicalis 1 part, cellulase 0.7 part, 0.1 part of iron sulfate, 0.4 part of ammonium phosphate and cobaltous chloride 0.005 part；
2) first mixed chlorinated cobalt and iron sulfate, after mix homogeneously, adds ammonium phosphate mixing, is A after inorganic constituents mix homogeneously；
3), after cellulase and candida tropicalis (CandidatropicalisATCC76500) mix homogeneously, add Bacillus licheniformis (BacilluslicheniformisATCC53757), be B after mix homogeneously.
4) before use, A and B mixes, and is biological reinforced dose.
During use, after dissolving biological reinforced dose, using 40 days continuously in the contact-oxidation pool of system, record corresponding test index every day, contrast makes related data change before and after with medicament.Result shows, can promote microbial growth in sewage disposal system after employing biological reinforced dose, improves degradation capability, and system treatment effeciency is significantly increased.
Make consumption: 8g/ ton water, use 1.2kg every day, within every two days, use once, use 40 days continuously, amount to and use 24kg.
Result of use is in Table 1
Table 1: biological reinforced dose is applied to vaccary wastewater treatment efficiency
Embodiment 2
Certain Pig farm wastewater processes engineering, and the process water yield is 60m3/ d, sewage treatment process is: sewage completes solid-liquid separation through sedimentation tank by natural subsidence, its supernatant is lifted into anaerobic pond by immersible pump and reacts, subsequently flow into anoxic pond and continue reaction, then Aerobic Process for Treatment is carried out from inflow contact-oxidation pool, waste water after Aerobic Process for Treatment is after flocculation sedimentation tank reacts, and supernatant gets final product qualified discharge.Hydrolysis acidification influent COD 3000mg/L.
Configuring biological reinforced dose, concrete grammar is as follows:
1) it is taken as the following compositions of pressed powder (40～60 order), and its parts by weight are: Bacillus licheniformis 6 parts, Candida tropicalis 3 parts, cellulase 0.2 part, 0.3 part of iron chloride, 0.7 part of ammonium phosphate and cobaltous sulfate 0.02 part；
2) first mix cobaltous sulfate and iron chloride, after mix homogeneously, add ammonium phosphate mixing, be A after inorganic constituents mix homogeneously；
3), after cellulase and candida tropicalis (CandidatropicalisATCC76500) mix homogeneously, add Bacillus licheniformis (BacilluslicheniformisATCC53757), be B after mix homogeneously.
4) before use, A and B mixes, and is biological reinforced dose.
During use, after dissolving biological reinforced dose, using 30 days continuously in the contact-oxidation pool of system, record the aerobic pond water outlet COD that sinks to the bottom every day, contrast makes related data change before and after with medicament.Result shows, can promote microbial growth in sewage disposal system after employing biological reinforced dose, improves degradation capability, and system treatment effeciency is significantly increased.
Making consumption: 7g/ ton water, use 420g every day, every day uses once, uses 30 days continuously, amounts to and uses 12.6kg.
Result of use is in Table 2
Table 2: biological reinforced dose is applied to Pig farm wastewater and processes catalytic oxidation unit effect
Embodiment 3
Certain chicken farm sewage treatment project, the process water yield is 60m3/ d, sewage treatment process is: sewage initially enters Buffer Pool, in Buffer Pool, sewage is after solid-liquid separating machine, clear liquid flows into regulating reservoir, in regulating reservoir, sewage is lifted into marsh-gas fermentation tank by immersible pump, biogas slurry after fermentation enters sedimentation tank and carries out natural subsidence, and supernatant is lifted into CASS pond by pump and carries out Aerobic Process for Treatment, and the water outlet of CASS pond can qualified discharge after sandfiltration pot and ultraviolet sterilizer process.CASS pond influent COD 400mg/L.
Configuring biological reinforced dose, concrete grammar is as follows:
1) it is taken as the following compositions of pressed powder (40～60 order), and its parts by weight are: Bacillus licheniformis 3 parts, Candida tropicalis 2 parts, cellulase 0.5 part, ferric nitrate 0.2 part, 0.5 part of ammonium phosphate and cobalt nitrate 0.01 part；
2) first mixed nitrate cobalt and ferric nitrate, after mix homogeneously, adds ammonium phosphate mixing, is A after inorganic constituents mix homogeneously；
3), after cellulase and candida tropicalis (CandidatropicalisATCC76500) mix homogeneously, add Bacillus licheniformis (BacilluslicheniformisATCC53757), be B after mix homogeneously.
4) before use, A and B mixes, and is biological reinforced dose.
During use, after dissolving biological reinforced dose, using 35 days continuously in the CASS pond of system, record CASS pond water outlet COD every day, contrast makes related data change before and after with medicament.Result shows, can promote microbial growth in sewage disposal system after employing biological reinforced medicament, improves degradation capability, and system treatment effeciency is significantly increased.
Making consumption: 7g/ ton water, use 420g every day, every day uses once, uses 28 days continuously, amounts to and uses 11.76kg.
Result of use is in Table 3
Table 3: biological reinforced dose is applied to sewage disposal CASS pond, chicken farm effect
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; described in above-described embodiment and description is that principles of the invention is described; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and claimed scope is defined by appending claims, description and equivalent thereof.
Claims (10)
1. biological reinforced dose processed for livestock breeding wastewater, it is characterized in that, including microbial bacterial agent, soluble ferric iron salt and soluble cobalt, wherein, the living bacteria count of described microbial bacterial agent is not less than 10,000,000,000/g, and at least including Bacillus licheniformis, the weight ratio of described Bacillus licheniformis and ferrum element, cobalt element is 1:0.010～0.085:0.0010～0.0095.
2. as claimed in claim 1 a kind of for livestock breeding wastewater process biological reinforced dose, it is characterised in that described soluble ferric iron salt is one or several in iron sulfate, iron chloride and ferric nitrate.
3. as described in claim 1 or 2 a kind of for livestock breeding wastewater process biological reinforced dose, it is characterised in that described soluble cobalt be in cobaltous chloride, cobaltous sulfate and cobalt nitrate one or several.
4. as described in claim 1 or 2 a kind of for livestock breeding wastewater process biological reinforced dose, it is characterized in that, described microbial bacterial agent also includes Candida tropicalis, and the weight ratio of described Bacillus licheniformis and described Candida tropicalis is 2:1～1.5.
5. as claimed in claim 3 a kind of for livestock breeding wastewater process biological reinforced dose, it is characterized in that, described microbial bacterial agent also includes Candida tropicalis, and the weight ratio of described Bacillus licheniformis and described Candida tropicalis is 2:1～1.5.
6. a kind of biological reinforced dose processed for livestock breeding wastewater as described in claim 1 or 5, it is characterised in that described biological reinforced dose also includes cellulase and ammonium phosphate.
7. as claimed in claim 6 a kind of for livestock breeding wastewater process biological reinforced dose, it is characterised in that described microbial bacterial agent and described cellulase are pressed powder.
8. as claimed in claim 7 a kind of for livestock breeding wastewater process biological reinforced dose, it is characterized in that, each constituent of described biological reinforced dose is pressed powder, and its parts by weight are respectively as follows: Bacillus licheniformis 2～6 parts, Candida tropicalis 1～3 part, cellulase 0.2～0.7 part, soluble ferric iron salt 0.1～0.3 part, 0.4～0.7 part of ammonium phosphate, soluble cobalt 0.005～0.02 part.
9. a kind of biological reinforced dose processed for livestock breeding wastewater as described in claim 1 or 5, it is characterised in that described biological reinforced dose also includes cellulase or ammonium phosphate.
10. the method preparing biological reinforced dose processed for livestock breeding wastewater as claimed in claim 1, it is characterised in that comprise the steps:
1) mixing soluble cobalt and soluble ferric iron salt, become chemical mixture A；
2) distinguish mixed microorganism microbial inoculum successively, become microbial inoculum mixture B；
3) before use, mix above-mentioned A and B, namely complete to prepare biological reinforced dose.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106830350A (en) * | 2016-12-31 | 2017-06-13 | 新昌县派特普科技有限公司 | Compound improver of water quality of aquaculture and preparation method thereof |
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| CN103880194A (en) * | 2014-03-20 | 2014-06-25 | 广西大学 | Microorganism water purification agent and preparation method thereof |
| CN104211184A (en) * | 2014-08-07 | 2014-12-17 | 镇江华域环保设备制造有限公司 | Microbial sewage treating agent used for livestock and poultry breeding wastewater treatment |
| CN104512989A (en) * | 2013-09-27 | 2015-04-15 | 南京宏博环保实业有限公司 | Process capable of increasing gas yield of biogas |
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2016
- 2016-04-01 CN CN201610202116.2A patent/CN105731658A/en active Pending
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| CN1287976A (en) * | 2000-07-07 | 2001-03-21 | 于学忠 | Biological water purification agent and method for preparing same |
| JP2006042774A (en) * | 2004-08-03 | 2006-02-16 | Hinode Sangyo Kk | New yeast of yarrowia and method for biologically treating waste water |
| CN104512989A (en) * | 2013-09-27 | 2015-04-15 | 南京宏博环保实业有限公司 | Process capable of increasing gas yield of biogas |
| CN103880194A (en) * | 2014-03-20 | 2014-06-25 | 广西大学 | Microorganism water purification agent and preparation method thereof |
| CN104211184A (en) * | 2014-08-07 | 2014-12-17 | 镇江华域环保设备制造有限公司 | Microbial sewage treating agent used for livestock and poultry breeding wastewater treatment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106830350A (en) * | 2016-12-31 | 2017-06-13 | 新昌县派特普科技有限公司 | Compound improver of water quality of aquaculture and preparation method thereof |
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Application publication date: 20160706 |