CN207933126U - Anaerobic biological treatment apparatus of the low C/S than sulfate-containing organic wastewater under room temperature - Google Patents
Anaerobic biological treatment apparatus of the low C/S than sulfate-containing organic wastewater under room temperature Download PDFInfo
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- CN207933126U CN207933126U CN201820031741.XU CN201820031741U CN207933126U CN 207933126 U CN207933126 U CN 207933126U CN 201820031741 U CN201820031741 U CN 201820031741U CN 207933126 U CN207933126 U CN 207933126U
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Abstract
Anaerobic biological treatment apparatus the utility model is related to low C/S under a kind of room temperature than sulfate-containing organic wastewater solves anaerobic technique under room temperature and handles existing when low C/S sulfate-containing organic wastewaters to start that speed is slow, technical barrier of poor processing effect.The utility model includes that the water outlet in influent waste water pond and one end of intake pump connect, and the other end of intake pump and the water inlet of anaerobic reactor connect, and the water outlet of anaerobic reactor and the water inlet of discharge bay connect.The top of anaerobic reactor is equipped with for adding micron order Zero-valent Iron feeding port A, feeding port B and methane outlet for adding anaerobic sludge；Simultaneously blender is equipped in anaerobic reactor；Several electrode plates are equipped in anaerobic reactor；The temperature of anaerobic reactor is 20 DEG C~25 DEG C, and regulation and control current strength is 0.001~0.003A.
Description
Technical field
The utility model belongs to sulfate-containing organic wastewater process field, and in particular to room temperature, relatively low C/S than sulfate
The anaerobic biological treatment apparatus of organic wastewater.
Background technology
The features such as China's paper industry has scale big, and the output value is high.The 1-6 months in 2017, the accumulative main management of national paper industry
4703.3 hundred million yuan of health service revenue, increases by 14.8% on a year-on-year basis.The first two season in 2017 China's machine-made paper and cardboard sales volume it is accumulative
It is 6204.0 ten thousand tons, increases by 7.37% on a year-on-year basis.However, giving off a large amount of Organic Wastewater Containing Sulfates in process of production, cooperate with
Sulfate-containing organic wastewater discharged in the production process of the fields such as chemical industry, monosodium glutamate, pharmacy generates ecological environment and human health
Strong influence.Currently, for sulfate-containing organic wastewater, Anaerobic treatment technique is generally used, as homogenous anaerobic reacts
Device ABR, IC, UASB etc. and the diphasic anaerobic techniques such as anaerobic filter+UASB.
Currently, mostly using diphasic anaerobic technique, though such technique can solve, substrate competition inhibits and sulfide toxicity is made
With problem, but there are complex process not easy-regulating, microbial ecological unbalance of structure the problems such as.In recent years, researcher is constantly right
Homogenous anaerobic technique is deeply probed into, and is found and is broken through.So far, related scholar has found the third generations, the four generation anaerobism such as UASB, IC
Reactor can be realized effectively by optimal startup mode, regulation and control service condition except carbon desulfurization.However, such anaerobic organism technique master
To be directed to high C/S than sulfate-containing organic wastewater, and need higher running temperature, limit it under the conditions of normal temperature environment,
And low C/S is than the application in sulfate-containing organic wastewater.
H2It can be used as the electron donor of sulfatereducting bacteria.Related scholar has found, mild electric field not only sustainable offer H2, and
The activity of microorganism can be enhanced.Electrochemical corrosion can occur in sulfate reduction system for Zero-valent Iron, and Fe is precipitated2+, and and sulfuric acid
The effect of salt reduzate generates precipitation, and ferro element is the prothetic group ingredient of multiple functions enzyme in microbial body, can promote microorganism
Activity.
Therefore, the characteristics of low for water temperature, low quality concentration C OD and C/S ratio, if be by mild electric field at normal temperatures
Sulfatereducting bacteria persistently provides electron donor, realizes that the precipitation of sulfide removes by Zero-valent Iron redox, then so as to
Mild electric field, ferro element can solve the substrate competition in Anaerobic treatment technique to the humidification of microorganism enzyme activity
Inhibition and sulfide toxic effect problem realize the quick startup of Anaerobic treatment technique and the synchronous removal of carbon, sulphur, will
It is of great significance than being effectively treated for sulfate-containing organic wastewater to low C/S.
Invention content
Utility model aims to solve low C/S than matrix present in sulfate-containing organic wastewater anaerobic bio-treated
Reverse transcriptase and sulfide toxic effect problem, and solve anaerobic technique under room temperature and handle low C/S than sulfate organic waste
It is existing when water to start that speed is slow, technical barrier of poor processing effect, it is more organic than sulfate to provide low C/S under a kind of normal temperature condition
Anaerobic biological treatment device for wastewater.
The utility model includes influent waste water pond, anaerobic reactor, discharge bay；The water outlet and intake pump in influent waste water pond
One end connection, the water inlet of the other end of intake pump and anaerobic reactor connects, the water outlet and discharge bay of anaerobic reactor
Water inlet connection.
The top of the anaerobic reactor is equipped with the feeding port A for adding micron order Zero-valent Iron, for adding anaerobism
The feeding port B and methane outlet of sludge；
Several electrode plates are equipped with along water (flow) direction in the anaerobic reactor, plate spacing is 3~5cm, forms more gallerys
Formula, flow are in push flowing.
The temperature of anaerobic reactor is 20 DEG C~25 DEG C, and regulation and control current strength is 0.001~0.003A, pending sulfuric acid
The C/S ratios of salt organic waste water are that 2.0~3.0, COD mass concentrations are 1100~1400mg/L, SO4 2-Mass concentration be 350~
450mg/L, pH are 7.0~7.5.
Anaerobic sludge can be common activated sludge, can also be anaerobic grain sludge.
Anaerobic reactor uses upflow type anaerobic reactor or common anaerobic digester.
Electrode plate is graphite cake, carbon brush or carbon cloth.
The utility model has the following advantages：
1) the utility model solves low C/S sulfate-containing organic wastewaters processing procedure mesostroma Reverse transcriptase and sulfide
The problem of toxic effect provides technical support to handle such anaerobic waste water biological treatment；
2) the utility model can make anaerobic organism technique realize effective place to sulfate-containing organic wastewater under normal temperature condition
Reason, for China's most area, sewage treatment plant's water temperature is less than 25 DEG C.
3) it is fast to start speed, using Starting mode at full capacity, whole process only need 20d can make COD removal rates reach 85% with
On；
4) the utility model is simple in structure, and energy conservation and consumption reduction effects are notable, and sulfate is provided also using mild electric field, Zero-valent Iron
The electron donor of opportunistic pathogen can greatly save the expense of additional carbon；
5) device operation stability is strong, when water temperature is down to 20 DEG C by 25 DEG C, COD and SO4 2-Treatment effect is without apparent wave
It is dynamic.
Description of the drawings
Fig. 1 is utility model device structure chart；
Fig. 2 is COD removal effect variation diagrams in the Anaerobic treatment technique operational process of the utility model；Wherein：R1
Ferroelectricity couples Anaerobic treatment technique；R2 Anaerobic treatment techniques；
Fig. 3 is SO in the Anaerobic treatment technique operational process of the utility model4 2-Removal effect variation diagram；Wherein：R1
Ferroelectricity couples Anaerobic treatment technique；R2 Anaerobic treatment techniques；
COD removal effect removal effects when Fig. 4 is 20 DEG C in the Anaerobic treatment technique operational process of the utility model
Variation diagram；Wherein：R1 ferroelectricities couple Anaerobic treatment technique；R2 Anaerobic treatment techniques；
SO when Fig. 5 is 20 DEG C in the Anaerobic treatment technique operational process of the utility model4 2-Removal effect removal effect
Variation diagram；Wherein：R1 ferroelectricities couple Anaerobic treatment technique；R2 Anaerobic treatment techniques.
Wherein：Influent waste water pond 1, intake pump 2, anaerobic reactor 3, discharge bay 4, the throwing for adding micron order Zero-valent Iron
Material mouth A 3-1, feeding port B 3-2 for adding anaerobic sludge, methane outlet 3-3, electrode plate 3-4.
Specific implementation mode
The utility model is further analyzed with reference to specific embodiment.
Shown in Fig. 1, the utility model includes influent waste water pond 1, anaerobic reactor 3, discharge bay 4；Influent waste water pond 1 goes out
The mouth of a river is connect with one end of intake pump 2, and the other end of intake pump 2 is connect with the water inlet of anaerobic reactor 3, anaerobic reactor 3
Water outlet connect with the water inlet of discharge bay 4.
The top of the anaerobic reactor 3 is equipped with the feeding port A 3-1 for adding micron order Zero-valent Iron, for adding
The feeding port B 3-2 and methane outlet 3-3 of anaerobic sludge；Several electrode plate 3-4, plate are equipped in the anaerobic reactor
Spacing is 3~5cm, forms more gallery types, and flow is in push flowing；
The temperature of anaerobic reactor is 20 DEG C~25 DEG C, and regulation and control current strength is 0.001~0.003A,
The C/S ratios of pending sulfate-containing organic wastewater are that 2.0~3.0, COD mass concentrations are 1100~1400mg/L,
SO4 2-Mass concentration is 350~450mg/L, and pH is 7.0~7.5.
Anaerobic sludge can be common activated sludge, can also be anaerobic grain sludge.
Anaerobic reactor uses upflow type anaerobic reactor or common anaerobic digester.
Electrode plate is graphite cake, carbon brush or carbon cloth.
The course of work：
The feeding port A 3-1 and feeding port B 3-2 of anaerobic reactor, are separately added into micron order Zero-valent Iron, anaerobic sludge, control
Anaerobic sludge processed and the mass ratio of Zero-valent Iron are 50:1~100:1；Set 20-25 DEG C under the conditions of, open intake pump, using into
Pending sulfate-containing organic wastewater is evacuated in anaerobic reactor by water pump, and it is 10min to preset flooding time, and flow of inlet water is
1L/min closes intake pump later；Electrode plate power supply is connected, regulation and control current strength is 0.001~0.003A；Intermittent duty for 24 hours,
This operating mode is maintained until the COD removal rates in reactor are stablized 85% or more, anaerobic reactor start completion.Reaction process
The biogas of middle generation is discharged through methane outlet 3-3.
Embodiment 1：
Experiment is with water with certain speciality paper production waste water, and specific water quality is as follows：COD average quality concentration is about 1400mg/
L, SO4 2-Average quality a concentration of 450mg/L, NH4 +Average quality concentration is about 35mg/L, and TN average quality concentration is less than
40mg/L is controlled water temperature at 25 DEG C using hot water jacket's layer.Structure coupling Anaerobic treatment technique is assisted using ferroelectricity, together
When structure without ferroelectricity auxiliary Anaerobic treatment technique, as a control group, concrete operation step is as follows：
1) in the common anaerobic digester that inoculation anaerobic activated sludge is 10L to dischargeable capacity, by 50:1 mud iron ratio will
Micron order Zero-valent Iron is added to reactor, while turn on agitator；
2) blender is closed, by graphite plate electrode intercalation reaction device, plate spacing 5cm connects power supply；
3) under the conditions of 25 DEG C of water temperature, intake pump is opened, speciality paper waste water is added to 10L using intake pump and commonly detests
In oxygen digester, it is 10min to preset flooding time, and flow of inlet water 1L/min closes intake pump later, at this point, in reactor
Sludge concentration is 3500~4000mg/L；
4) electrode plate power supply is connected, regulation and control current strength is 0.003A；
5) after intermittent duty for 24 hours, pending speciality paper waste water is continuously passed through into anaerobic reactor using intake pump, if
It is for 24 hours, to maintain this operating mode until the COD removal rates in reactor are stablized 85% or more, anaerobism is anti-to set hydraulic detention time
Answer device start completion.
The result shows that (referring to Fig. 2 and Fig. 3), when running about 20d, COD residual concentrations are 202.27mg/L, and removal rate reaches
85.07%；SO4 2-Residual concentration is 102.24mg/L, and removal rate has reached 80.38%, does not smell apparent rotten egg gas
Taste, and have apparent light yellow on electrode plate, it is sulphur simple substance through analysis.And at this point, the COD removal rates of control group are only 58.55%,
SO4 2-Removal rate is 76.61%, there is apparent rotten egg smell.As it can be seen that ferroelectricity couples Anaerobic treatment technique in room temperature item
Low C/S be can effectively deal under part than sulfate-containing organic wastewater, and be better than control group.
Embodiment 2：
Operation stability of the anaerobic organism technique under normal temperature condition is coupled for verification ferroelectricity, is carried out extremely in embodiment 1
Water temperature is down to 20 DEG C, other parameters are constant, run by 20d, and reactor operating mode tends to be steady by 40d after system maturation is stablized
It is fixed.It can be obtained by Fig. 4 and Fig. 5, COD removal rates are 80.17~84.12% or so, SO4 2-Removal rate is 71.63~76.67%,
And at this point, the COD removal rates of control group are only 43.44~62.65%, SO4 2-Removal rate is 67.58~71.63%, shows have
There is stronger stability.
Embodiment 3：
Experiment uses manual simulation's waste water, specific water quality as follows：COD mass concentrations are about 1100mg/L, SO4 2-Quality is dense
Degree is about 350mg/L, NH4 +Average quality concentration is about 35mg/L, and TN average quality concentration is less than 40mg/L, and pH is about 7.0, profit
Water temperature is controlled at 25 DEG C with hot water jacket's layer.Structure coupling Anaerobic treatment technique, concrete operations step are assisted using ferroelectricity
It is rapid as follows：
1) in the upflow type anaerobic reactor that inoculation anaerobic activated sludge is 10L to dischargeable capacity, by 100:1 or so
Mud iron ratio adds micron order Zero-valent Iron to reactor, while turn on agitator；
2) blender is closed, by carbon brush electrode intercalation reaction device, plate spacing 3cm connects power supply；
3) under the conditions of 25 DEG C of water temperature, intake pump is opened, speciality paper waste water is added to 10L using intake pump and commonly detests
In oxygen digester, it is 10min to preset flooding time, and flow of inlet water 1L/min closes intake pump later, at this point, in reactor
Sludge concentration is about 4000~5000mg/L；
4) electrode plate power supply is connected, regulation and control current strength is 0.002A；
5) after intermittent duty for 24 hours, it is continuously passed through simulated wastewater into anaerobic reactor using intake pump, hydraulic retention is set
Time is for 24 hours, to maintain this operating mode until the COD removal rates in reactor are stablized 85% or more, anaerobic reactor has started
At.
The result shows that when operation about 22d, COD residual concentrations are 150.96mg/L, and removal rate has reached 86.27%；SO4 2-
Residual concentration is 65.98mg/L, and removal rate has reached 81.15%, does not smell apparent rotten egg smell, and at this point, control group
COD removal rates be only 58.96%, SO4 2-Removal rate is 76.48%.
Embodiment 4：
Couple operation stability of the anaerobic organism technique under normal temperature condition for verification ferroelectricity, when embodiment 3 system at
After ripe stabilization, hydraulic detention time, current strength are adjusted to 12h and 0.001A respectively, other parameters are constant, run by 7d,
Reactor for treatment effect does not have significant change, COD and SO4 2-Average removal rate respectively stablize in 84.06% and 80.14%.And
At this point, the COD and SO of control group4 2-Average removal rate be only respectively 42.25% and 42.12%, show to have stronger steady
It is qualitative.
Claims (5)
1. anaerobic biological treatment apparatus of the low C/S than sulfate-containing organic wastewater under room temperature, it is characterised in that including influent waste water pond,
Anaerobic reactor, discharge bay；The water outlet in influent waste water pond and one end of intake pump connect, and the other end and anaerobism of intake pump are anti-
The water inlet of device is answered to connect, the water outlet of anaerobic reactor and the water inlet of discharge bay connect；
The top of the anaerobic reactor is equipped with the feeding port A for adding micron order Zero-valent Iron, for adding anaerobic sludge
Feeding port B and methane outlet；Simultaneously blender is equipped in anaerobic reactor；
Several electrode plates are equipped with along water (flow) direction in the anaerobic reactor, plate spacing is 3~5cm, forms more gallery types；
The temperature of anaerobic reactor is 20 DEG C~25 DEG C, and regulation and control current strength is 0.001~0.003A.
2. than the anaerobic biological treatment apparatus of sulfate-containing organic wastewater, feature exists low C/S under room temperature as described in claim 1
In anaerobic sludge be ordinary activated sludge or anaerobic grain sludge.
3. than the anaerobic biological treatment apparatus of sulfate-containing organic wastewater, feature exists low C/S under room temperature as described in claim 1
Upflow type anaerobic reactor or common anaerobic digester are used in anaerobic reactor.
4. than the anaerobic biological treatment apparatus of sulfate-containing organic wastewater, feature exists low C/S under room temperature as described in claim 1
In electrode plate be graphite cake, carbon brush or carbon cloth.
5. than the anaerobic biological treatment apparatus of sulfate-containing organic wastewater, feature exists low C/S under room temperature as described in claim 1
Waste water in influent waste water pond is pending sulfate-containing organic wastewater, and C/S mass concentration ratios are 2.0~3.0, COD matter
Measure a concentration of 1100~1400mg/L, SO4 2-Mass concentration is 350~450mg/L, and pH is 7.0~7.5.
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| CN201820031741.XU CN207933126U (en) | 2018-01-09 | 2018-01-09 | Anaerobic biological treatment apparatus of the low C/S than sulfate-containing organic wastewater under room temperature |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108046427A (en) * | 2018-01-09 | 2018-05-18 | 衢州学院 | Low C/S is than the anaerobic bio-treated method of sulfate-containing organic wastewater under room temperature |
| CN110759489A (en) * | 2019-11-15 | 2020-02-07 | 盐城工学院 | Electricity-zero-valent iron system for accelerating removal of sulfide in sewage pipeline |
-
2018
- 2018-01-09 CN CN201820031741.XU patent/CN207933126U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108046427A (en) * | 2018-01-09 | 2018-05-18 | 衢州学院 | Low C/S is than the anaerobic bio-treated method of sulfate-containing organic wastewater under room temperature |
| CN110759489A (en) * | 2019-11-15 | 2020-02-07 | 盐城工学院 | Electricity-zero-valent iron system for accelerating removal of sulfide in sewage pipeline |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Ningbo Dianshi Building Decoration Engineering Co.,Ltd. Assignor: QUZHOU University Contract record no.: X2023980035757 Denomination of utility model: Anaerobic Biological Treatment Device for Low C/S Ratio Sulfate Organic Wastewater at Normal Temperature Granted publication date: 20181002 License type: Common License Record date: 20230520 |