CN110294528A - A kind of method and device of efficient process aquiculture waste water - Google Patents
A kind of method and device of efficient process aquiculture waste water Download PDFInfo
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- CN110294528A CN110294528A CN201910649361.1A CN201910649361A CN110294528A CN 110294528 A CN110294528 A CN 110294528A CN 201910649361 A CN201910649361 A CN 201910649361A CN 110294528 A CN110294528 A CN 110294528A
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- waste water
- bioreactor
- aquiculture waste
- cylinder
- efficient process
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Classifications
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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
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1263—Sequencing batch reactors [SBR]
-
- 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
- C02F3/322—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae
- C02F3/325—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae as symbiotic combination of algae and bacteria
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/14—NH3-N
-
- 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
Abstract
The invention belongs to cultivating wastewater purification technical fields, and in particular to a kind of method and device of efficient process aquiculture waste water.A kind of efficient, economy, the method and device of environmental protection treatment aquiculture waste water proposed by the present invention, microalgae is introduced into sbr reactor device: by anoxic/aerobic setting, in aquiculture waste water antibiotic and the nutriments such as COD, nitrogen phosphorus reach and effectively remove and recycle；The present invention improves the removal effect to antibiotic while ensure that for conventional organic matter and nutriment removal efficiency relative to common sbr reactor device；The oxygen that microalgae photosynthesis generates provides aeration quantity required for aerobic condition, energy saving in running；There is mixing sludge good settling property to be conducive to the harvest of microalgae simultaneously, reach the utilization to the nutriment in sewage by the recycling to these biomass.
Description
Technical field
The invention belongs to ecological environmental protection fields, and in particular to a kind of method and dress of efficient process aquiculture waste water
It sets.
Background technique
The demand of increase with the growth and the mankind of world population to good protein demand, aquatic products is gradually increasing
Greatly, each main fishery country focuses more on culture fishery, it is made to rapidly become industry with fastest developing speed in World of Food production
One of.Intensive aquaculture at home and abroad rapidly develops, and China's cultured output has accounted for 2/3 or so of world's cultured output.
The pollutant that the feed launched in aquaculture process is remaining, excreta is formed, so that breeding water body eutrophication increasingly.Together
When, antibiotic generally comes into operation so that antibiotic is generally detected in breeding water body, and part antibiotic concentration reaches micrograms per litre grade
Not.If aquiculture waste water is without dealing carefully with, it will the growth for influencing aquatile is discharged into antibiotic in environment simultaneously
It will cause the propagation of resistant gene.Since China's aquaculture is still by the way of drawing arrange greatly greatly, water resource is greatly consumed,
And surrounding enviroment easy to pollute.
Compared with city domestic sewage and industrial wastewater, aquaculture water pollution has the characteristics that its uniqueness, i.e. potential pollution
Object content is low, a displacement is big, has differences with common Lu Yuan sewage, and processing difficulty greatly increases.According to the mechanism of action
Difference mainly uses Ecological Disposal method to the processing method of aquiculture waste water at present, such as the artificial swamp of special matrix, ecology
Irrigation canals and ditches etc., but the method is poor to pollutant removal, impact resistance is low, and to the novel pollution in aquiculture waste water
Object does not have removal efficiency.Therefore, a kind of processing technique of low in cost, high treating effect aquiculture waste water is needed.
It is the current country using raw material of the nutriment production algal biomass for renewable energy in agricultural effluent
An outer research hotspot, but realize that the research of aquiculture waste water recycling treatment is still less for using microalgae, only see
Have using microalgae reactor for treatment sewage.Such as using batch-type microalgae reactor removal sewage in nitrogen phosphorus method (patent No.:
CN2014106033920 a kind of method using nitrogen phosphorus in batch-type microalgae reactor removal sanitary sewage, the party) are disclosed
Method uses microalgae to replace activated sludge as reactive agent, using the sequencing batch reactor of single PLC technology as microalgae photobiological
Reactor, by the microalgae concentration in control reactor, in low residence times, a step is realized to nitrogen in sewage, phosphorus
Efficiently removal, but it is high concentration that it, which necessarily requires Wastewater Pollutant, does not also remove requirement targetedly to removal emerging pollutant.
In view of the above-mentioned problems, the present invention proposes that a kind of method and apparatus efficiently, economic, environmentally friendly are used for aquiculture waste water
Processing.The nutriments such as antibiotic and COD and nitrogen phosphorus in light sequence bioreactor removal aquiculture waste water are devised,
Control reaction condition realizes effective purification of aquiculture waste water；The symbiosis of microalgae and flora is utilized, reduces system
To CO2Demand, microalgae photosynthesis can also increase the dissolved oxygen in water, save the part aeration power consumption of reactor, reach pair
The effective use of resource.
Summary of the invention
It is an object of the invention to for the trophoplasms object such as antibiotic and COD, nitrogen phosphorus in current aquiculture waste water without
The status that method is efficiently removed provides a kind of method and device of efficient process aquiculture waste water.
A kind of method of efficient process aquiculture waste water proposed by the present invention is primarily referred to as anti-with light batch-type biology
Device and corresponding operation process are answered to realize the efficient process of aquiculture waste water, the basic process of the processing method is: by water
Aquaculture waste is pumped into bioreactor cylinder from intake pool by peristaltic pump, is controlled agitating device by PLC system, is exposed
/ aerobic setting is detested in the operation of air pump, LED lamp tube and water outlet solenoid valve by single hop or multistage oxygen, useless to aquaculture to improve
The removal effect of the nutriments such as water antibiotic, COD and nitrogen phosphorus, the specific steps are as follows:
(1) activated sludge acclimatization is continuously passed through aquiculture waste water and enters in bioreactor cylinder, makes bioreactor
Cylinder is stablized；After bioreactor cylinder is stablized, it is anti-that aquiculture waste water from intake pool is pumped into photo-biological by peristaltic pump
It answers in device cylinder；
(2) in bioreactor column Inoculation microalgae and sludge；
(3) agitating device is opened, is reacted under anaerobic condition；
(4) additional LED lamp tube and aeration pump are opened, is reacted under aerobic condition；
(5) additional LED lamp tube 7 and aeration pump are closed, algal gel mixed liquor is staticly settled, supernatant is discharged；
(6) it leaves unused, as needed repeatedly step (3)~(6)；
(7) algal gel that periodically discharge step (5) precipitates.
Adjusting peristaltic pump water intake velocity in the present invention, in step (1) may be selected one of 10rpm, 20rpm, 30rpm,
Flooding time 5-15min, each inflow are 4-20L.
Being inoculated with microalgae in the present invention, in step (2) in bioreactor cylinder can be selected chlorella, scenedesmus, chlamydomonas, green
One of anaerobic activated sludge or aerobic activated sludge can be selected in one of ball algae or cyanobacteria or multiple combinations, seed sludge
Or 1:5,1:10,1:15,1 can be selected in two kinds of combinations, the biomass ratio (unit is in terms of g/L) for being inoculated with microalgae and seed sludge:
One of 20.
In the present invention, the mixing speed of control agitating device is that 30-100 turns/min in step (3).
In the present invention, hydraulic detention time of the aquiculture waste water in bioreactor cylinder 3 is 8-24h.
In the present invention, 7 illumination of LED lamp tube is run by the way of natural lighting and artificial light source compensation in step (4), light
It is the Chinese organization of 6000-15000lx(light intensity according to intensity).
The device of efficient process aquiculture waste water proposed by the present invention by intake pool 1, bioreactor cylinder 3, stirs
It mixes device 4, aeration pump 5, micropore aeration pipe 6, LED lamp tube 7, solenoid valve 8, water tank 9 and PLC system 10 to form, intake pool 1 is logical
It crosses peristaltic pump 2 and connects 3 top of bioreactor cylinder with pipeline, 3 middle and lower part of bioreactor cylinder passes through pipeline and electricity
Magnet valve 8 connects water tank 9, and bioreactor cylinder 3 is pumped by intake pool 1 by peristaltic pump 2, and water outlet passes through gravity stream
Enter water tank 9, agitating device 4 and micropore aeration pipe 6 are provided in bioreactor cylinder 3, the micropore aeration pipe 6 passes through
Pipeline and aeration pump 5 connect PLC system 10, and 3 side of bioreactor cylinder is equipped with LED lamp tube 7, and the PLC system 10 is divided
It Lian Jie not peristaltic pump 2 and solenoid valve 8.
In the present invention, one of transparent organic glass, glass or resin is can be selected in 3 material of bioreactor cylinder,
One of box, pipe dress or cylindricality, diameter 10-50cm can be used in configuration.
Agitating device is provided in the present invention, among bioreactor cylinder 3 to keep the homogeneity of system, stirring dress
The stirring flabellum diameter set is 6-9cm, according to the actual situation depending on, material can select PVC, UPVC, copper, PE, PP or not
Become rusty one of steel or multiple combinations.
Beneficial effects of the present invention are as follows: (1) being replaced in light sequence bioreactor using algae-bacteria symbiotic system original
Activated Sludge System, algae formed the cellular material of itself using nutriment in water body, mentioned using sunlight as energy source
High removal rate of the system to COD；(2) algae releases oxygen for flora to organic matter and other nutrients in the process
The oxidation of matter can effectively improve the removal efficiency of antibiotic and nitrogen phosphorus；(3) non-target life of the algae as antibiotic
Object can reduce the generation and propagation of resistant gene；(4) oxygen that algae photosynthesis generates is fully used, and is reduced
The aeration energy consumption of system, while the microalgae for harvesting growth can be used as the concentrated feed of domestic animal.
Detailed description of the invention
Fig. 1 is the structure chart of apparatus of the present invention (PSBR).
Figure label: 1- inlet tank, 2- peristaltic pump, 3-SBR reactor cylinder, 4- agitating device, 5- aeration pump, 6- micropore
Aeration tube, 7-LED lamp bracket, 8- solenoid valve, 9- water tank, 10-PLC control system.
Specific embodiment
The present invention is further described below by case study on implementation.It should be understood that these embodiments be merely to illustrate the present invention and
It is not used in and limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art
The present invention can be made various changes or modifications, such equivalent forms are equally fallen within defined by the application the appended claims
Range.
Embodiment 1: as shown in Figure 1, device include intake pool 1, bioreactor cylinder 3, blender 4, aeration pump 5,
Micropore aeration pipe 6, LED lamp tube 7, solenoid valve 8 and water tank 9, water inlet are pumped by peristaltic pump 2, and water outlet is flowed by gravity
Water tank, whole system are controlled by microcomputer controller 10 and are run.Stirring dress is installed in light sequence bioreactor cylinder 3
4 and nanopore device 6 are set, one of transparent organic glass, glass or resin can be selected in Photoreactor material, and case can be used in configuration
Type, pipe dress or one of cylindricality, diameter 10-50cm, be provided among light sequence bioreactor cylinder blender with
The homogeneity of holding system.Stir flabellum diameter 6-9cm, according to the actual situation depending on, material can select PVC, UPVC,
One of copper, PE, PP or stainless steel or multiple combinations, illumination are run by the way of natural lighting and artificial light source compensation,
Intensity of illumination is 6000-15000lx.A kind of device of efficient process aquiculture waste water is light sequence bioreactor
(PSBR) cylinder (high 71cm, internal diameter 7cm), effective swept volume are 9.2 L.1.5g/L is inoculated in bioreactor cylinder 3
Activated sludge and 0.25g/L chlorella are kept stirring into water 0.5 hour, and sewage is the simulation aquatic products waste water of human configuration, is contained
COD 150mg/L (sodium acetate), ammonia nitrogen 15mg N/L, phosphorus 5mg P/L, sulfamethoxazole 100ug/L.Running temperature is constant 26
± 1 DEG C, using three sections of aerobic/anaerobic techniques, the reactor cycle of operation is set as 8 h, the method for operation be 1.5 h(of anaerobism contain into
10 min of water), it is aerobic 1.5 h, 1 h of anaerobism, aerobic 1 h, 1 h of anaerobism, aerobic 0.5 h, 0.5 h of anaerobism, completely anti-by 7h
Ying Hou closes stirring and aeration, staticly settles algal gel 20 minutes, drains 10 minutes after 20 minutes precipitatings, supernatant is discharged
4.6L.After 0.5 hour idle, and start water inlet, reaction, precipitating, draining, idle cycles, continues 10 periods altogether.PSBR
The photostage and time of reactor and the aeration phase of reactor and time remain exactly the same.The volume of reactor each cycle
Exchange is than being 50%, so that hydraulic detention time is 16 hours, and by controlling sludge age at 18 days in aerobic stage end spoil disposal.
Aquiculture waste water is after processing.Aeration quantity reduces 0.2L/min, and the processing to metabolism
Effect remains unchanged, and water outlet COD is consistently lower than 30mg/L, and ammonia nitrogen is lower than 1.75mg/L, and phosphorus is lower than 0.6mg/L, sulfamethoxazole
Lower than 30ug/L.
Claims (9)
1. a kind of method of efficient process aquiculture waste water, it is characterised in that；Refer to and uses light sequence bioreactor and phase
The operation process answered realizes the efficient process of aquiculture waste water, and the basic process of the processing method is: aquaculture is given up
Water is pumped into bioreactor cylinder from intake pool by peristaltic pump, controls agitating device, aeration pump, LED by PLC system
The operation of fluorescent tube and water outlet solenoid valve detests/aerobic setting by single hop or multistage oxygen, to improve to aquiculture waste water antibiosis
The removal effect of the nutriments such as element, COD and nitrogen phosphorus, the specific steps are as follows:
(1) activated sludge acclimatization is continuously passed through aquiculture waste water and enters in bioreactor cylinder, makes bioreactor
Cylinder is stablized；After bioreactor cylinder is stablized, it is anti-that aquiculture waste water from intake pool is pumped into photo-biological by peristaltic pump
It answers in device cylinder；
(2) in bioreactor column Inoculation microalgae and sludge；
(3) agitating device is opened, is reacted under anaerobic condition；
(4) additional LED lamp tube and aeration pump are opened, is reacted under aerobic condition；
(5) additional LED lamp tube and aeration pump are closed, algal gel mixed liquor is staticly settled, supernatant is discharged；
(6) it leaves unused, as needed repeatedly step (3)~(6)；
(7) algal gel that periodically discharge step (5) precipitates.
2. a kind of method of efficient process aquiculture waste water according to claim 1, it is characterised in that；In step (1)
One of the selection of peristaltic pump water intake velocity 10rpm, 20rpm or 30rpm, flooding time 5-15min are adjusted, each inflow is
4-20L。
3. a kind of method of efficient process aquiculture waste water according to claim 1, it is characterised in that；In step (2)
Microalgae is inoculated in bioreactor cylinder can be selected one of chlorella, scenedesmus, chlamydomonas, Chlorococcum or cyanobacteria or a variety of groups
It closes, the combination of one or both of anaerobic activated sludge or aerobic activated sludge can be selected in seed sludge, is inoculated with microalgae and inoculation
One of 1:5,1:10,1:15,1:20 can be selected in the biomass ratio (unit is in terms of g/L) of sludge.
4. a kind of method of efficient process aquiculture waste water according to claim 1, it is characterised in that；In step (3)
The mixing speed for controlling agitating device is that 30-100 turns/min.
5. a kind of method of efficient process aquiculture waste water according to claim 1, it is characterised in that；Aquaculture is useless
Water is 8-24h in the intracorporal hydraulic detention time of bioreactor column.
6. a kind of method of efficient process aquiculture waste water according to claim 1, it is characterised in that；In step (4)
LED lamp tube illumination is run by the way of natural lighting and artificial light source compensation, intensity of illumination 6000-15000lx.
7. a kind of device of efficient process aquiculture waste water as described in claim 1, it is characterised in that；By intake pool, light
Bioreactor cylinder, blender, aeration pump, micropore aeration pipe, LED lamp tube, solenoid valve, water tank and PLC system composition,
Intake pool is connected at the top of bioreactor cylinder by peristaltic pump with pipeline, and bioreactor cylinder middle and lower part passes through pipeline
Water tank is connected with solenoid valve, bioreactor cylinder is pumped by intake pool by peristaltic pump, and water outlet passes through gravity stream
Enter water tank, agitating device and micropore aeration pipe are provided in bioreactor cylinder, the micropore aeration pipe passes through pipeline
PLC system is connected with aeration pump, bioreactor cylinder side is equipped with LED lamp tube, and the PLC system is separately connected peristaltic pump
And solenoid valve.
8. the apparatus according to claim 1, it is characterised in that: the transparent organic glass of bioreactor cylinder material selection
One of box, pipe dress or cylindricality, diameter 10-50cm can be used in one of glass, glass or resin, configuration.
9. the apparatus according to claim 1, it is characterised in that: be provided among bioreactor cylinder agitating device with
The homogeneity of holding system, the stirring flabellum diameter of agitating device are 6-9cm, according to the actual situation depending on, material selection
One of PVC, UPVC, copper, PE, PP or stainless steel or multiple combinations.
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| CN201910649361.1A CN110294528A (en) | 2019-07-18 | 2019-07-18 | A kind of method and device of efficient process aquiculture waste water |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110896834A (en) * | 2019-12-05 | 2020-03-24 | 梁荷 | Desert planting, fertilizing and irrigating method and device |
| CN111320324A (en) * | 2020-03-02 | 2020-06-23 | 陕西科技大学 | Biological filtering device for treating trace antibiotic wastewater and working method thereof |
| CN113292164A (en) * | 2021-04-30 | 2021-08-24 | 哈尔滨工业大学 | Preparation method and application of phycomycete symbiont for degrading culture wastewater containing high-concentration antibiotics and having low C/N ratio |
| CN114477459A (en) * | 2022-01-17 | 2022-05-13 | 哈尔滨工业大学 | Method for reducing antibiotic resistance genes in aquaculture wastewater |
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| CN105621783A (en) * | 2014-10-30 | 2016-06-01 | 中国科学院上海高等研究院 | Method for removing nitrogen and phosphorus in sewage with sequencing batch microalgae reactor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110896834A (en) * | 2019-12-05 | 2020-03-24 | 梁荷 | Desert planting, fertilizing and irrigating method and device |
| CN111320324A (en) * | 2020-03-02 | 2020-06-23 | 陕西科技大学 | Biological filtering device for treating trace antibiotic wastewater and working method thereof |
| CN113292164A (en) * | 2021-04-30 | 2021-08-24 | 哈尔滨工业大学 | Preparation method and application of phycomycete symbiont for degrading culture wastewater containing high-concentration antibiotics and having low C/N ratio |
| CN113292164B (en) * | 2021-04-30 | 2022-05-17 | 哈尔滨工业大学 | Preparation method and application of phycomycete symbiont for degrading culture wastewater containing high-concentration antibiotics and having low C/N ratio |
| CN114477459A (en) * | 2022-01-17 | 2022-05-13 | 哈尔滨工业大学 | Method for reducing antibiotic resistance genes in aquaculture wastewater |
| CN114477459B (en) * | 2022-01-17 | 2023-02-07 | 哈尔滨工业大学 | Method for reducing antibiotic resistance genes in aquaculture wastewater |
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Application publication date: 20191001 |