CN108585379A - A kind of apparatus and method improving organic wastewater with difficult degradation thereby treatment effect - Google Patents
A kind of apparatus and method improving organic wastewater with difficult degradation thereby treatment effect Download PDFInfo
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- CN108585379A CN108585379A CN201810533549.5A CN201810533549A CN108585379A CN 108585379 A CN108585379 A CN 108585379A CN 201810533549 A CN201810533549 A CN 201810533549A CN 108585379 A CN108585379 A CN 108585379A
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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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic 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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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
- C02F3/005—Combined electrochemical biological 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
- 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2846—Anaerobic digestion processes using upflow anaerobic sludge blanket [UASB] reactors
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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
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Abstract
The invention discloses a kind of device and method improving organic wastewater with difficult degradation thereby treatment effect, described device includes mainly UASB reactors, the first bioelectrochemical system, the second bioelectrochemical system, the first iron-carbon micro-electrolysis pond, the second iron-carbon micro-electrolysis pond, aerobic aeration pond, sedimentation basin and Sewage advanced treatment pond；UASB reactors, the anode chamber of the first bioelectrochemical system, the cathode chamber of the first bioelectrochemical system, the first iron-carbon micro-electrolysis pond, the anode chamber of the second bioelectrochemical system, the cathode chamber of the second bioelectrochemical system, the second iron-carbon micro-electrolysis pond, aerobic aeration pond, sedimentation basin, Sewage advanced treatment pond are sequentially communicated；The blow-off pipe in Sewage advanced treatment pond connects the water inlet pipe of UASB reactors by a flow controllable tube road.The present invention is suitable for the processing of organic wastewater with difficult degradation thereby, the treatment effect of organic wastewater with difficult degradation thereby not only can be improved, but also also reduce cost.
Description
Technical field
The present invention relates to a kind of wastewater processing technologies, specifically, the present invention relates to a kind of raising organic wastewater with difficult degradation thereby
The apparatus and method for the treatment of effect.
Background technology
The whole world generates a large amount of organic wastewater every year, and traditional biological wastewater treatment process not only needs to consume a large amount of energy
Amount, and a large amount of sludge is generated, and it is also very high to the processing cost of sludge.It thus needs development efficiency height and at low cost replaces
Generation technique.Upflow type anaerobic reactor (UASB) has good treatment effect to high concentrated organic wastewater, in processing waste water
Bio-fuel methane is generated simultaneously, but the COD (Chemical Oxygen Demand, COD) of its water outlet is higher,
Discharge standard is not achieved, and to the poor processing effect of hardly degraded organic substance.Although Fenton oxidation handles waste water to difficult to degrade organic
Waste water has good treatment effect, but needs to consume a large amount of divalent iron salt, acid and H2O2, cost is higher, and has brought nothing into
Machine salt secondary pollution.Though iron-carbon micro-electrolysis processing waste water solves the source of ferrous ion, still need to add a large amount of H2O2。
Bioelectrochemical system (Microbial Electrochemical System, MES) is to rapidly develop in recent years
Come it is a kind of merged sewage disposal and generate the energy new technology, can to sewage carry out biological treatment while acquisition not
With the energy of form, the new process as sewage disposal.If generating the H with high redox potential using MES2O2With reality
The oxidative degradation of existing hardly degraded organic substance.But H2O2Oxidability it is low compared with the oxidability of free radical.
Invention content
Limitation existing for organic wastewater is individually handled in order to solve traditional UASB, MES and iron-carbon micro-electrolysis, the present invention
Provide a kind of apparatus and method improving organic wastewater with difficult degradation thereby treatment effect.
The device provided by the invention for improving organic wastewater with difficult degradation thereby treatment effect, including UASB reactors, the first biology
Electro-chemical systems, the first iron-carbon micro-electrolysis pond, the second iron-carbon micro-electrolysis pond, aerobic aeration pond, sink at the second bioelectrochemical system
Shallow lake pond, Sewage advanced treatment pond and for electric installation；
UASB reactors, the anode chamber of the first bioelectrochemical system, the cathode chamber of the first bioelectrochemical system, first
Iron-carbon micro-electrolysis pond, the anode chamber of the second bioelectrochemical system, the cathode chamber of the second bioelectrochemical system, the second iron carbon are micro-
Electrolytic cell, aerobic aeration pond, sedimentation basin, Sewage advanced treatment pond are sequentially communicated；
The blow-off pipe in Sewage advanced treatment pond connects the water inlet pipe of UASB reactors by a flow controllable tube road；
It is used for providing electric energy to the first bioelectrochemical system and the second bioelectrochemical system for electric installation.
As a kind of specific implementation mode, the UASB reactors include hydraulic barrier 2 in cylinder 1 and cylinder 1,
Gas collector 3, conductive material 4；Gas collector 3 is set to 1 top of cylinder, and conductive material 4 is placed in 1 lower part of cylinder, baffling gear
Plate 2 is set between gas collector 3 and conductive material 4, and 1 lower end of cylinder connects water inlet pipe 5；
First bioelectrochemical system includes first anode electrode 7 in first shell 6 and first shell 6,
One refraction baffle 10, the first cathode electrode 12, the first air sparger 13；First refractive baffle 10 is located at first anode electrode 7
And first between cathode electrode 12, and first shell 6 is separated into anode chamber and cathode chamber；First air sparger 13 is located at cathode
Below room；6 upper end of first shell is equipped with downtake pipe 9 and second exhaust pipe 16, the cathode chamber lower end connection the of first shell 6
One blow-off pipe 14, the first blow-off pipe 14 connect main blow-off pipe 61 by first flow control valve 15；
First iron-carbon micro-electrolysis pond includes the second refraction baffle 18 in second shell 17 and second shell 17, the
One support plate 19 with holes, the first iron-carbon micro-electrolysis filler 20；Second refraction baffle 18 is set at the water inlet of second shell 17, and first
Support plate 19 with holes is used for carrying the first iron-carbon micro-electrolysis filler 20；17 upper end of second shell be equipped with third exhaust pipe 23, second
17 lower end of shell connects the second blow-off pipe 21, and the second blow-off pipe 21 connects main blow-off pipe 61 by second flow control valve 22；
Second bioelectrochemical system includes the second plate electrode in third shell 24 and third shell 24
25, third reflect baffle 28, the second cathode electrode 29, the second air sparger 32；Third reflect baffle 28 is located at second plate
Between electrode 25 and the second cathode electrode 29, third shell 24 is separated into anode chamber and cathode chamber；Second air sparger 32
Below cathode chamber；24 upper end of third shell is equipped with the 4th exhaust pipe 27 and the 5th exhaust pipe 31；The cathode of third shell 24
Room lower end connects third blow-off pipe 33, and third blow-off pipe 33 connects main blow-off pipe 61 by third flow control valve 34；
Second iron-carbon micro-electrolysis pond includes the 4th shell 35 and fourth reflect baffle 36 in the 4th shell 35,
Two support plates 38 with holes, the second iron-carbon micro-electrolysis filler 39；Fourth reflect baffle 36 is set at the water inlet of the 4th shell 35, and second
Support plate 38 with holes is used for carrying the second iron-carbon micro-electrolysis filler 39；4th shell, 35 upper end be equipped with the 6th exhaust pipe 37, the 4th
35 lower end of shell connects the 4th blow-off pipe 40, and the 4th blow-off pipe 40 connects main blow-off pipe 61 by the 4th flow control valve 41；
The aerobic aeration pond includes the 5th refraction baffle 43, third air in the 5th shell 42 and the 5th shell 42
Distributor 44；5th refraction baffle 43 is set at the water inlet of the 5th shell 42, and 42 lower end of the 5th shell connects the 5th blow-off pipe 45,
5th blow-off pipe 45 connects main blow-off pipe 61 by the 5th flow control valve 46；
The sedimentation basin include set in the 6th shell 47 and the 6th shell 47 first built in water pipe 48, water built in first
Pipe 48 connects the 5th shell 42；6th shell, 47 lower end connects the 6th blow-off pipe 49, and the 6th blow-off pipe 49 passes through the 6th flow control
Valve 50 processed connects main blow-off pipe 61；
The Sewage advanced treatment pond include set in the 7th shell 51 and the 7th shell 51 second built in water pipe 52,
Water pipe 52 built in two connects the 6th shell 47；Meanwhile water pipe 52 is also connected with alkali liquor pipe 55 built in second；7th shell, 51 upper end is set
There are the 7th exhaust pipe 56, side to connect drainpipe 57, lower end connects the 7th blow-off pipe 53, and the 7th blow-off pipe 53 passes through the 7th flow
Control valve 54, the second water pipe 62,63 connection main water inlet tube 64 of pump；
Sewage outlet pipe 66 also connects main water inlet tube 64, the connection water inlet of main water inlet tube 64 by the 9th flow control valve 65
Pipe 5；Main water inlet tube 64 connects agitation and filtration device 59 by the 8th flow control valve 58；The connection master of agitation and filtration device 59
Blow-off pipe 61；Agitation and filtration device 59 also passes through 60 connector drum 1 of the first water pipe.
Further, the conductive material is carbon cloth, granular activated carbon, Reticulated Vitreous charcoal, ferroso-ferric oxide, mineral conduction
The Reticulated Vitreous charcoal of carbon cloth, the granular activated carbon that ammonia is modified or ammonia modification that material, ammonia are modified.
Further, the first anode electrode and the second plate electrode are carbon cloth, granular graphite, Reticulated Vitreous
Carbon, granular activated carbon or carbon fiber brush.
Further, first cathode electrode and second cathode electrode are carbon cloth or carbon fiber brush.
Further, apparatus of the present invention further include general control system, and the general control system is used for controlling disengaging water, row
Dirt amount and aeration quantity.
Further, it is described for electric installation be device of solar generating.
The method provided by the invention for improving organic wastewater with difficult degradation thereby treatment effect, using above-mentioned apparatus, including：
(1) organic wastewater enters the progress anaerobic digestion of UASB reactors, to reduce the COD of organic wastewater；
(2) water outlet of UASB reactors is into the anode chamber of the first bioelectrochemical system, as anode electricity-producing microorganism
The nutrient source of growth, anode electricity-producing microorganism carries out catabolism to organic waste Organic substance in water under anaerobic environment；Meanwhile
Under electric booster action, the cathode chamber in-situ preparation H of the first bioelectrochemical system2O2；
The water outlet of (3) first bioelectrochemical system cathode chambers enters the first iron-carbon micro-electrolysis pond, utilizes the hydroxyl of generation
Free radical degrades to organic waste Organic substance in water；
The water outlet in (4) first iron-carbon micro-electrolysis ponds is produced electricity into the anode chamber of the second bioelectrochemical system as anode
The nutrient source of microorganism growth, anode electricity-producing microorganism carries out decomposition generation again to organic waste Organic substance in water under anaerobic environment
It thanks；Meanwhile under electric booster action, the cathode chamber in-situ preparation H of the first bioelectrochemical system2O2；
The water outlet of (5) second bioelectrochemical system cathode chambers enters the second iron-carbon micro-electrolysis pond, utilizes the hydroxyl of generation
Free radical again degrades to organic waste Organic substance in water；
The water outlet in (6) second iron-carbon micro-electrolysis ponds is successively through aerobic aeration pond, sedimentation basin, small point generated with removal degradation
Sub- organic matter；
(7) water outlet of sedimentation basin enters Sewage advanced treatment pond, using iron-based electron acceptor and electroactive microorganism, to having
The useless Organic substance in water of machine further carries out metabolic degradation, and the iron-based conductive material that the reduction of iron-based electron acceptor generates is injected
UASB reactors, the conductive material as UASB reactors.
Further, the electroactive microorganism in the Sewage advanced treatment pond is alienation metal reducing miroorganisms.
Compared to the prior art, the invention has the characteristics that and advantageous effect：
Present invention incorporates a UASB reactors, two bioelectrochemical systems, two iron-carbon micro-electrolysis ponds, an aerobic aerations
Pond, a sedimentation basin and a Sewage advanced treatment pond carry out anaerobic digestion using UASB reactors to organic wastewater, organic to reduce
The COD of waste water, and generate methane；Organic waste organic pollutants are removed using bioelectrochemical system, while also in situ raw
At H2O2, H is provided to generate the high active oxide materials such as hydroxyl radical free radical for iron-carbon micro-electrolysis2O2, improving sewage disposal
While effect, cost of sewage disposal is reduced；Using the ferric hydroxide colloid generated in Sewage advanced treatment pond be electronics by
Organic metabolism in organic wastewater is degraded and is removed by the electroactive microorganism such as alienation metal reducing miroorganisms by body, thus into one
Step reduces the COD of water outlet；The ferroso-ferric oxide conductive material that ferric hydroxide colloid reduction generates may further enter into UASB reactors work
For conductive material, further to strengthen the anaerobic digestion of UASB reactors.
It is difficult present invention also overcomes being handled using only UASB reactors, bioelectrochemical system, iron-carbon micro-electrolysis pond
Existing deficiency when degradation of organic waste water, not only increases the treatment effect of organic wastewater with difficult degradation thereby, and reduces cost；Separately
Outside, the bio-fuel methane obtained while handling organic wastewater, also compensates for the cost of sewage disposal.
The present invention is not only organic sewage to be effectively treated to provide new way, and have energy-saving and emission-reduction and environmental improvement
It is significant.
Description of the drawings
Fig. 1 is the concrete structure schematic diagram for the device that organic wastewater with difficult degradation thereby treatment effect is improved in embodiment.
In figure, 1- cylinders, 2- hydraulic barriers, 3- gas collectors, 4- conductive materials, 5- water inlet pipes, 6- first shells,
7- first anode electrodes, 8,11,26,30,68,69- conducting wires, 9- downtake pipes, 10- first refractive baffles, 12- first is cloudy
Pole electrode, the first air spargers of 13-, the first blow-off pipes of 14-, 15- first flow control valves, 16- second exhaust pipes, 17-
Second shell, 18- second reflect baffle, the first support plates with holes of 19-, the first iron-carbon micro-electrolysis fillers of 20-, the second blowdowns of 21-
Pipe, 22- second flow control valves, 23- third exhaust pipes, 24- third shells, 25- second plate electrodes, 27- the 4th are vented
Pipe, 28- third reflect baffles, the second cathode electrodes of 29-, the 5th exhaust pipes of 31-, the second air spargers of 32-, 33- thirds row
Dirt pipe, 34- third flow control valves, the 4th shells of 35-, 36- fourth reflect baffles, the 6th exhaust pipes of 37-, the second bands of 38-
Hole support plate, the second iron-carbon micro-electrolysis fillers of 39-, the 4th blow-off pipes of 40-, the 4th flow control valves of 41-, the 5th shells of 42-
Body, 43- the 5th reflect baffle, 44- third air spargers, the 5th blow-off pipes of 45-, the 5th flow control valves of 46-, 47- the
Six shells, water pipe built in 48- first, the 6th blow-off pipes of 49-, the 6th flow control valves of 50-, the 7th shells of 51-, 52- second
Built-in water pipe, the 7th blow-off pipes of 53-, the 7th flow control valves of 54-, 55- alkali liquor pipes, the 7th exhaust pipes of 56-, 57- drainpipes,
The 8th flow control valves of 58-, 59- agitation and filtration devices, the first water pipes of 60-, the main blow-off pipes of 61-, the second water pipes of 62-, 63-
Pump, 64- main water inlet tubes, the 9th flow control valves of 65-, 66- sewage outlet pipes, 67- D.C. regulated power supplies, 70- solar panels.
Specific implementation mode
In order to illustrate more clearly of the present invention and/or technical solution in the prior art, below originally by control description of the drawings
The specific implementation mode of invention.It should be evident that drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill of field, without creative efforts, others are can also be obtained according to these attached drawings
Attached drawing, and obtain other embodiments.
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
In addition, technical characteristic involved in the various embodiments of the present invention described below is as long as they do not conflict with each other
It can be combined with each other.
Referring to Fig. 1, it show the concrete structure schematic diagram for the device for improving organic wastewater with difficult degradation thereby treatment effect, it is dirty in figure
Water refers to organic wastewater.Below in conjunction with Fig. 1, the specific implementation mode and its technique effect of the present invention are described in detail.This
In specific implementation mode, the device for improving organic wastewater with difficult degradation thereby treatment effect includes mainly a UASB reactors, two bioelectricity
Chemical system, two iron-carbon micro-electrolysis ponds, an aerobic aeration pond, a sedimentation basin, a Sewage advanced treatment pond, solar power generation dress
It sets and a general control system.
UASB reactors include hydraulic barrier 2, gas collector 3, conductive material 4 in cylinder 1 and cylinder 1, gas
Collector 3 is set to 1 top of cylinder, for collecting the methane of generation；Conductive material 4 is placed in 1 lower part of cylinder, is used as Bacteriophage vectors；
Hydraulic barrier 2 is set between gas collector 3 and conductive material 4, for deoxygenation and prevents fluid short；1 lower end of cylinder connects
Water inlet pipe 5.Conductive material 4 is used as the carrier of thalline in UASB reactors, and conductive material 4 can be but be not limited to carbon cloth, particle is lived
Property charcoal, Reticulated Vitreous charcoal, ferroso-ferric oxide, mineral conductive material, ammonia be modified carbon cloth, ammonia be modified granular activated carbon,
The Reticulated Vitreous charcoal that ammonia is modified；The addition of conductive material 4 can promote the inter-species direct electron transfer between microorganism, so as to pole
It is big to improve methane phase efficiency.
Two bioelectrochemical systems are denoted as the first bioelectrochemical system and the second bioelectrochemical system respectively.Wherein,
First bioelectrochemical system include first anode electrode 7 in first shell 6 and first shell 6, first refractive baffle 10,
First cathode electrode 12, the first air sparger 13, first refractive baffle 10 are located at first anode electrode 7 and the first cathode electricity
Between pole 12, first shell 6 is separated into anode chamber and cathode chamber, the first air sparger 13 is located at below cathode chamber.First
Refraction baffle 10 is used for deoxygenation and prevents fluid short, and the first air sparger 13 is used for being aerated, and cathode chamber is made to have enough oxygen
Gas.6 lower end of first shell connects the first blow-off pipe 14, and the first blow-off pipe 14 connects main row by first flow control valve 15
Dirty pipe 61；6 upper end of first shell is equipped with downtake pipe 9 and second exhaust pipe 16；First anode electrode 7 and the first cathode electrode
12 connect the hot end and cold end of D.C. regulated power supply 67 by conducting wire 8 and conducting wire 11 respectively.
Two iron-carbon micro-electrolysis ponds are denoted as the first iron-carbon micro-electrolysis pond and the second iron-carbon micro-electrolysis pond respectively.Wherein, the first iron
Carbon micro-electrolysis pond includes the second refraction baffle 18 in second shell 17 and second shell 17, the first support plate 19 with holes, the
One iron-carbon micro-electrolysis filler 20；Second refraction baffle 18 is set at the water inlet of second shell 17, for deoxygenation and prevents fluid short
Road；First support plate 19 with holes be set to 17 lower part of second shell and positioned at second refraction baffle 18 and 17 inner wall of second shell it
Between, the first iron-carbon micro-electrolysis filler 20 is placed in the first support plate 19 with holes；17 lower end of second shell connects the second blow-off pipe
21, the second blow-off pipe 21 connects main blow-off pipe 61 by second flow control valve 22；It is arranged equipped with third 17 upper end of second shell
Tracheae 23.
Second bioelectrochemical system includes second plate electrode 25 in third shell 24 and third shell 24, third
Baffle 28, the second cathode electrode 29, the second air sparger 32 are reflected, third reflect baffle 28 is located at 25 He of second plate electrode
Between second cathode electrode 29, third shell 24 is separated into anode chamber and cathode chamber, third reflect baffle 28 is also used for deoxygenation
And prevent fluid short；Second air sparger 32 is located at below cathode chamber, is used for being aerated, cathode chamber is made to have enough oxygen
Gas.24 lower end of third shell connects third blow-off pipe 33, and third blow-off pipe 33 connects main row by third flow control valve 34
Dirty pipe 61；24 upper end of third shell is equipped with the 4th exhaust pipe 27 and the 5th exhaust pipe 31；Second plate electrode 25 and the second cathode
Electrode 29 connects the hot end and cold end of D.C. regulated power supply 67 by conducting wire 26 and conducting wire 30 respectively.First bioelectricity
In chemical system and the second bioelectrochemical system, anode electrode can be but be not limited to carbon cloth, granular graphite, reticulated vitreous carbon,
Granular activated carbon, carbon fiber brush；Cathode electrode can be but be not limited to carbon cloth, carbon fiber brush.
Second iron-carbon micro-electrolysis pond includes the 4th shell 35 and fourth reflect baffle 36, the second band in the 4th shell 35
Hole support plate 38, the second iron-carbon micro-electrolysis filler 39；Fourth reflect baffle 36 is set at the water inlet of the 4th shell 35, is used for deoxygenation
And prevent fluid short；Second support plate 38 with holes is set to 35 lower part of the 4th shell and is located at fourth reflect baffle 36 and the 4th shell
Between 35 inner wall of body, the second iron-carbon micro-electrolysis filler 39 is placed in the second support plate 38 with holes；4th shell, 35 lower end connection the
Four blow-off pipes 40, the 4th blow-off pipe 40 connect main blow-off pipe 61 by the 4th flow control valve 41；4th shell, 35 upper end is set
There is the 6th exhaust pipe 37.
Aerobic aeration pond includes that the 5th refraction baffle 43, the third air in the 5th shell 42 and the 5th shell 42 are distributed
Device 44；5th refraction baffle 43 is set at the water inlet of the 5th shell 42, for deoxygenation and prevents fluid short；Under 5th shell 42
The 5th blow-off pipe 45 of end connection, third air sparger 44 are set to 45 top of the 5th blow-off pipe, and the 5th blow-off pipe 45 passes through the 5th
Flow control valve 46 connects main blow-off pipe 61.Sedimentation basin include set in the 6th shell 47 and the 6th shell 47 first built in
Water pipe 48, water pipe 48 built in first connect the 5th shell 42；6th shell, 47 lower end connects the 6th blow-off pipe 49, the 6th blowdown
Pipe 49 connects main blow-off pipe 61 by the 6th flow control valve 50.Sewage advanced treatment pond includes the 7th shell 51 and the 7th
Water pipe 52 built in second set in shell 51, water pipe 52 built in second connect the 6th shell 47, meanwhile, water pipe 52 built in second is also
Connect alkali liquor pipe 55；7th shell, 51 upper end is equipped with the 7th exhaust pipe 56, and side connects drainpipe 57；7th shell, 51 lower end connects
Connect the 7th blow-off pipe 53, the 7th blow-off pipe 53 pass sequentially through the 7th flow control valve 54, the second water pipe 62,63 connection of pump it is main into
Water pipe 64.Sewage outlet pipe 66 also connects main water inlet tube 64 by the 9th flow control valve 65.Sewage outlet pipe 66 passes through
Nine flow control valves 65 also connect main water inlet tube 64.
Device of solar generating includes solar panels 70, D.C. regulated power supply 67 and accessory power supply, solar panels 70 and straight
It flows regulated power supply 67 by conducting wire 68 and conducting wire 69 to be connected, accessory power supply also connects D.C. regulated power supply 67.Work as solar power generation
When can maintain system operation, electric energy is provided a system to using solar power generation；When solar power generation can be not enough to maintenance system fortune
When row, electric energy is provided a system to using accessory power supply.
In present embodiment, cylinder 1 is connected to the anode chamber of first shell 6, the cathode chamber of first shell 6 and second
Shell 17 is connected to, and second shell 17 is also connected to the anode chamber of third shell 24, and the cathode chamber of third shell 24 connects the 4th shell
Body 35, the 4th shell 35, the 5th shell 42, the 6th shell 47, the 7th shell 51 are sequentially communicated.That is, organic wastewater enters this dress
Postpone, followed by UASB reactors, the anode chamber of the first bioelectrochemical system, the first bioelectrochemical system cathode
Room, the first iron-carbon micro-electrolysis pond, the anode chamber of the second bioelectrochemical system, the cathode chamber of the second bioelectrochemical system,
Then two iron-carbon micro-electrolysis ponds, aerobic aeration pond, sedimentation basin, Sewage advanced treatment pond are discharged through drainpipe 57.
First air sparger 13, the second air sparger 32 and third air sparger 44 are separately connected compressed air
Pipe.Water inlet pipe 5 connects agitation and filtration device 59 by the 8th flow control valve 58, and agitation and filtration device 59 connects main blow-off pipe
61,60 connector drum 1 of the first water pipe.Agitation and filtration device 59 and the first water pipe 60, for recycling the conduction material in discharge sludge
Material, and the conductive material of recycling is returned into UASB reactors.
In present embodiment, cylinder 1, first shell 6, second shell 17, third shell 24, the 4th shell 35,
Five shells 42, the 6th shell 47, the 7th shell 51 are made of armored concrete or carbon steel.Cylinder 1, first shell 6, second shell
Liquid level in body 17, third shell 24, the 4th shell 35, the 5th shell 42, the 6th shell 47, the 7th shell 51 passes through several streams
Control valve door is adjusted.
The present invention controls each flow control valve, air sparger by general control system, to adjust disengaging water, blowdown
Amount and aeration quantity.
Below in conjunction with specific implementation mode, the operation principle of above-mentioned apparatus is described in detail：
First, it is inoculated with and detests in UASB reactors, the anode chamber of two bioelectrochemical systems and Sewage advanced treatment pond
Oxygen sludge.Pending organic wastewater is through main water inlet tube 64 followed by UASB reactors, the first bioelectrochemical system, first
Iron-carbon micro-electrolysis pond, the second bioelectrochemical system, the second iron-carbon micro-electrolysis pond, aerobic aeration pond, sedimentation basin, waste water advanced place
Pond is managed, then, is discharged through drainpipe 57.
During the treatment of Organic Wastewater of present embodiment, 67 output voltage of D.C. regulated power supply be fixed as 0.5V~
3 V.Organic wastewater eliminates most COD (Chemical Oxygen Demand, chemical oxygen demand after UASB is handled
Amount), and methane is generated, methane is collected by gas collector 3.The electricity production of the anode electrode surface attachment of bioelectrochemical system is micro-
Biology, in anode chamber, the organic matter in being discharged using UASB reactors produces electricity micro- as the nutrient source of anode electrode electricity-producing microorganism
Biology carries out catabolism to the organic matter in organic wastewater, while handling organic wastewater, generates CO2、H+And electronics.Production
Raw H+And electron transfer reacts with oxygen to form H to cathode electrode in the case where electricity assists2O2.The H of generation2O2Into iron carbon
Micro cell and Fe2+Reaction, generates the hydroxyl radical free radical with high redox potential, and hydroxyl radical free radical again has difficult to degrade
Machine object is degraded.
The water outlet in the first iron-carbon micro-electrolysis pond is again successively through the second bioelectrochemical system, the second iron-carbon micro-electrolysis pond, good
Oxygen aeration tank, sedimentation basin, Sewage advanced treatment pond, sedimentation basin are used for removing sludge and oxygen.Second iron-carbon micro-electrolysis pond goes out
It degrades the small organic molecule of generation, can further be removed in aerobic aeration pond in water.By alkali liquor pipe 55 to waste water advanced
Processing pond injects lye and generates ferric hydroxide colloid, using ferric hydroxide colloid as electron acceptor, by alienation metal reducing miroorganisms
Etc. electroactive microorganism, organic metabolism in organic wastewater is degraded, and is removed, to further decrease the COD of water outlet.And it generates
Ferric hydroxide colloid and iron hydroxide reduction generate ferroso-ferric oxide conductive material enter UASB reactors, can be used as conduction
Material can be digested in UASB reactors with reinforced anaerobic again.
Following reaction mainly occurs in UASB reactors：
The anode electrode of bioelectrochemical system mainly occurs to react as follows：
The cathode electrode of bioelectrochemical system mainly occurs to react as follows：
4O2+8H++8e-→4H2O2。
Iron-carbon micro-electrolysis pond mainly occurs to react as follows：
Fe→Fe2++2e-；
H2O2+Fe2+→OH·+OH-+Fe3+；
Organic matter+OH → organic molecule+CO2；
Organic molecule+OH → CO2+H2O。
Sewage advanced treatment pond
OH-+Fe3+→Fe(OH)3；
Conductive material is added in UASB reactors in the present invention, can promote the efficiency of direct electron transfer between microorganism, from
And strengthen anaerobic digestion and the wastewater treatment efficiency of UASB reactors；The same of removal organic polluter is gone using bioelectrochemical system
When, it can also in-situ preparation H2O2, H is provided to generate the high active oxide materials such as hydroxyl radical free radical for iron-carbon micro-electrolysis2O2,
While improving wastewater treatment efficiency, cost of sewage disposal is reduced；In addition, utilizing the hydrogen generated in Sewage advanced treatment pond
Colloid of iron oxide is electron acceptor, by the electroactive microorganism such as alienation metal reducing miroorganisms, by organic metabolism in organic wastewater
Degradation, and remove, to further decrease the COD of water outlet.The ferroso-ferric oxide conductive material that ferric hydroxide colloid reduction generates is also
UASB reactors can be entered as conductive material, further to strengthen the anaerobic digestion of UASB reactors.
Specific embodiment described herein is only to be given an example to patent spirit of the present invention.Patent institute of the present invention
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit or beyond the scope defined by the appended claims of patent of the present invention.
Claims (9)
1. a kind of device improving organic wastewater with difficult degradation thereby treatment effect, it is characterized in that：
Including UASB reactors, the first bioelectrochemical system, the second bioelectrochemical system, the first iron-carbon micro-electrolysis pond,
Two iron-carbon micro-electrolysis ponds, aerobic aeration pond, sedimentation basin, Sewage advanced treatment pond and for electric installation；
UASB reactors, the anode chamber of the first bioelectrochemical system, the cathode chamber of the first bioelectrochemical system, the first iron carbon
Micro cell, the anode chamber of the second bioelectrochemical system, the cathode chamber of the second bioelectrochemical system, the second iron-carbon micro-electrolysis
Pond, aerobic aeration pond, sedimentation basin, Sewage advanced treatment pond are sequentially communicated；
The blow-off pipe in Sewage advanced treatment pond connects the water inlet pipe of UASB reactors by a flow controllable tube road；
It is used for providing electric energy to the first bioelectrochemical system and the second bioelectrochemical system for electric installation.
2. the device of organic wastewater with difficult degradation thereby treatment effect is improved as described in claim 1, it is characterized in that：
The UASB reactors include cylinder（1）And cylinder（1）Interior hydraulic barrier（2）, gas collector（3）, conduction material
Material（4）；Gas collector（3）Set on cylinder（1）Top, conductive material（4）It is placed in cylinder（1）Lower part, hydraulic barrier（2）It is set to
Gas collector（3）And conductive material（4）Between, cylinder（1）Lower end connects water inlet pipe（5）；
First bioelectrochemical system includes first shell（6）And first shell（6）Interior first anode electrode（7）、
First refractive baffle（10）, the first cathode electrode（12）, the first air sparger（13）；First refractive baffle（10）Positioned at first
Anode electrode（7）With the first cathode electrode（12）Between, by first shell（6）It is separated into anode chamber and cathode chamber；First air
Distributor（13）Below cathode chamber；First shell（6）Upper end is equipped with downtake pipe（9）And second exhaust pipe（16）, the
One shell（6）Cathode chamber lower end connect the first blow-off pipe（14）, the first blow-off pipe（14）Pass through first flow control valve
（15）Connect main blow-off pipe（61）；
First iron-carbon micro-electrolysis pond includes second shell（17）And second shell（17）The second interior refraction baffle（18）、
First support plate with holes（19）, the first iron-carbon micro-electrolysis filler（20）；Second refraction baffle（18）Set on second shell（17）'s
At water inlet, the first support plate with holes（19）For carrying the first iron-carbon micro-electrolysis filler（20）；Second shell（17）Upper end is equipped with
Third exhaust pipe（23）, second shell（17）Lower end connects the second blow-off pipe（21）, the second blow-off pipe（21）Pass through second flow
Control valve（22）Connect main blow-off pipe（61）；
Second bioelectrochemical system includes third shell（24）And third shell（24）Interior second plate electrode
（25）, third reflect baffle（28）, the second cathode electrode（29）, the second air sparger（32）；Third reflect baffle（28）Position
In second plate electrode（25）With the second cathode electrode（29）Between, by third shell（24）It is separated into anode chamber and cathode chamber；
Second air sparger（32）Below cathode chamber；Third shell（24）Upper end is equipped with the 4th exhaust pipe（27）With the 5th exhaust
Pipe（31）；Third shell（24）Cathode chamber lower end connect third blow-off pipe（33）, third blow-off pipe（33）Pass through third flow
Control valve（34）Connect main blow-off pipe（61）；
Second iron-carbon micro-electrolysis pond includes the 4th shell（35）And the 4th shell（35）Interior fourth reflect baffle（36）、
Second support plate with holes（38）, the second iron-carbon micro-electrolysis filler（39）；Fourth reflect baffle（36）Set on the 4th shell（35）'s
At water inlet, the second support plate with holes（38）For carrying the second iron-carbon micro-electrolysis filler（39）；4th shell（35）Upper end is equipped with
6th exhaust pipe（37）, the 4th shell（35）Lower end connects the 4th blow-off pipe（40）, the 4th blow-off pipe（40）Pass through the 4th flow
Control valve（41）Connect main blow-off pipe（61）；
The aerobic aeration pond includes the 5th shell（42）And the 5th shell（42）The 5th interior refraction baffle（43）, third it is empty
Gas distributor（44）；5th refraction baffle（43）Set on the 5th shell（42）Water inlet at, the 5th shell（42）Lower end connection the
Five blow-off pipes（45）, the 5th blow-off pipe（45）Pass through the 5th flow control valve（46）Connect main blow-off pipe（61）；
The sedimentation basin includes the 6th shell（47）And the 6th shell（47）Water pipe built in first inside set（48）, built in first
Water pipe（48）Connect the 5th shell（42）；6th shell（47）Lower end connects the 6th blow-off pipe（49）, the 6th blow-off pipe（49）It is logical
Cross the 6th flow control valve（50）Connect main blow-off pipe（61）；
The Sewage advanced treatment pond includes the 7th shell（51）And the 7th shell（51）Water pipe built in second inside set（52）,
Water pipe built in second（52）Connect the 6th shell（47）；Meanwhile water pipe built in second（52）It is also connected with alkali liquor pipe（55）；7th shell
Body（51）Upper end is equipped with the 7th exhaust pipe（56）, side connects drainpipe（57）, lower end connects the 7th blow-off pipe（53）, the 7th row
Dirt pipe（53）Pass through the 7th flow control valve（54）, the second water pipe（62）, pump（63）Connect main water inlet tube（64）；
Sewage outlet pipe（66）Pass through the 9th flow control valve（65）Also main water inlet tube is connected（64）, main water inlet tube（64）Connection
Water inlet pipe（5）；Main water inlet tube（64）Pass through the 8th flow control valve（58）Connect agitation and filtration device（59）；Agitation and filtration fills
It sets（59）Connect main blow-off pipe（61）；Agitation and filtration device（59）Also pass through the first water pipe（60）Connector drum（1）.
3. the device of organic wastewater with difficult degradation thereby treatment effect is improved as claimed in claim 2, it is characterized in that：
The conductive material is carbon cloth, granular activated carbon, Reticulated Vitreous charcoal, ferroso-ferric oxide, mineral conductive material, ammonia modification
Carbon cloth, ammonia be modified granular activated carbon or ammonia be modified Reticulated Vitreous charcoal.
4. the device of organic wastewater with difficult degradation thereby treatment effect is improved as claimed in claim 2, it is characterized in that：
The first anode electrode and the second plate electrode be carbon cloth, granular graphite, reticulated vitreous carbon, granular activated carbon or
Carbon fiber brush.
5. the device of organic wastewater with difficult degradation thereby treatment effect is improved as claimed in claim 2, it is characterized in that：
First cathode electrode and second cathode electrode are carbon cloth or carbon fiber brush.
6. the device of organic wastewater with difficult degradation thereby treatment effect is improved as described in claim 1, it is characterized in that：
Further include general control system, the general control system is used for controlling disengaging water, blowdown flow rate and aeration quantity.
7. the device of organic wastewater with difficult degradation thereby treatment effect is improved as described in claim 1, it is characterized in that：
It is described for electric installation be device of solar generating.
8. a kind of method improving organic wastewater with difficult degradation thereby treatment effect, it is characterized in that：
Using the device described in any one of claim 1 ~ 7, including：
（1）Organic wastewater enters UASB reactors and carries out anaerobic digestion, to reduce the COD of organic wastewater；
（2）The water outlet of UASB reactors is grown into the anode chamber of the first bioelectrochemical system as anode electricity-producing microorganism
Nutrient source, under anaerobic environment anode electricity-producing microorganism to organic waste Organic substance in water carry out catabolism；Meanwhile it is auxiliary in electricity
It helps under effect, the cathode chamber in-situ preparation H of the first bioelectrochemical system2O2；
（3）The water outlet of first bioelectrochemical system cathode chamber enters the first iron-carbon micro-electrolysis pond, utilizes the hydroxyl free of generation
Base degrades to organic waste Organic substance in water；
（4）The water outlet in the first iron-carbon micro-electrolysis pond produces electricity micro- life into the anode chamber of the second bioelectrochemical system, as anode
The nutrient source of object growth, anode electricity-producing microorganism carries out catabolism again to organic waste Organic substance in water under anaerobic environment；
Meanwhile under electric booster action, the cathode chamber in-situ preparation H of the first bioelectrochemical system2O2；
（5）The water outlet of second bioelectrochemical system cathode chamber enters the second iron-carbon micro-electrolysis pond, utilizes the hydroxyl free of generation
Base again degrades to organic waste Organic substance in water；
（6）The water outlet in the second iron-carbon micro-electrolysis pond through aerobic aeration pond, sedimentation basin, has successively with the small molecule that removal degradation generates
Machine object；
（7）The water outlet of sedimentation basin enters Sewage advanced treatment pond, using iron-based electron acceptor and electroactive microorganism, to organic waste
Organic substance in water further carries out metabolic degradation, and the iron-based conductive material injection UASB that the reduction of iron-based electron acceptor is generated is anti-
Device is answered, the conductive material as UASB reactors.
9. the method for improving organic wastewater with difficult degradation thereby treatment effect as claimed in claim 8, it is characterized in that：
Electroactive microorganism in the Sewage advanced treatment pond is alienation metal reducing miroorganisms.
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