CN209210575U - High saliferous organic wastewater with difficult degradation thereby reaches the processing system of IV class water quality of earth's surface - Google Patents
High saliferous organic wastewater with difficult degradation thereby reaches the processing system of IV class water quality of earth's surface Download PDFInfo
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Abstract
High saliferous organic wastewater with difficult degradation thereby disclosed by the utility model reaches the processing system of IV class water quality of earth's surface, including level-one advanced oxidation pretreatment unit, high salinity biochemical treatment unit, second level advanced oxidation advanced treatment unit and the denitrification filter pool being connected by pipeline, hydroxyl catalyst is provided in level-one advanced oxidation pretreatment unit and second level advanced oxidation advanced treatment unit and introduces ozone, it is added with salt-durable microbe flora in high salinity biochemical treatment unit, adds denitrifying bacterium in denitrification filter pool.The utility model reacts the organic matter of the difficult for biological degradation in the hydroxyl radical free radical deoxidation water generated first with ozone and Ti-base catalyst, achieve the purpose that improve B/C than removing COD with depth, Efficient salt-tolerant microbial flora is recycled to decompose the organic matter in high slat-containing wastewater, it is finally sufficiently reduced nitrate using denitrifying bacterium and carries out denitrogenation processing, so that the water quality finally discharged meets the tightened up discharge standard of country.
Description
Technical field
The utility model belongs to contamination data analysis technical field, and in particular to a kind of high saliferous organic wastewater with difficult degradation thereby reaches
The processing system of IV class water quality of earth's surface.
Background technique
As country is to environmentally friendly pay attention to day by day, the standard of sewage treatment is also being promoted.It device sewage and peace and quiet is lauched
Efflux wastewater after RO or ED concentration, in Shaanxi, original executes " Yellow River basin (Shaanxi section) integrated wastewater discharge standard " (DB61-
224-2011) primary standard and " integrated wastewater discharge standard " (GB8978-1996) primary standard, and referring to " petrochemistry work
Industry pollutant emission standard " (GB31571-2015), it now requires to execute " water environment quality standard " (GB3838-2002) four
Class standard.
The processing of high saliferous after concentration organic wastewater difficult to degrade is extremely difficult to discharge standard, and this aspect is due to portion
Point industrial organic waste water is difficult to biochemical degradation, on the other hand then due in waste water salt content it is higher, and traditional biochemical treatment side
Method is only applicable to handle salt-free waste water, if salt content is higher, such as works as Cl-> 2000mg/L, in waste water treatment system
The activity of microorganism will receive inhibition, and salt resistance degree impact capacity is weak, it is difficult to guarantee the stabilization for the treatment of effect, although using existing
Salinity domestication method can make the waste water of biochemical method processing more high salt concentration, but the required domestication time is long, and anti-salinity shock
Ability is still weaker, operational effect is still difficult to keep stable.
Utility model content
The purpose of this utility model is to provide the places that a kind of high saliferous organic wastewater with difficult degradation thereby reaches IV class water quality of earth's surface
Reason system realizes the efficient of the organic wastewater difficult to degrade to high saliferous and proposes mark purified treatment.
The technical scheme adopted by the utility model is high saliferous organic wastewater with difficult degradation thereby reaches the place of IV class water quality of earth's surface
Reason system, including level-one advanced oxidation pretreatment unit, the high salinity biochemical treatment unit, the advanced oxygen of second level being connected by pipeline
Change advanced treatment unit and denitrification filter pool, the level-one advanced oxidation pretreatment unit and second level advanced oxidation advanced treating
It is provided with hydroxyl catalyst in unit and introduces ozone, salt-durable microbe bacterium is added in the high salinity biochemical treatment unit
Group, denitrifying bacterium is added in the denitrification filter pool.
The utility model is also characterized by:
It is connected with separator for mud and water between the high salinity biochemical treatment unit and second level advanced oxidation advanced treatment unit,
It is connected by circulation between the separator for mud and water and the high salinity biochemical treatment unit by mud return line.
The level-one advanced oxidation pretreatment unit front end also passes through pipeline and is connected with high efficiency clarification tank.
The high efficiency clarification tank and separator for mud and water are connected with sludge concentration tank jointly.
The high efficiency clarification tank front end is connected with conditioning tank by pipeline.
The denitrification filter pool rear end is connected with clear water reserviors by pipeline, and passes through between denitrification filter pool and clear water reserviors
Backwash tube is connected by circulation.
The clear water reserviors rear end is connected with Disinfection examination pond by pipeline.
The denitrification filter pool rear end is also connected with flushing water wastewater disposal basin, and the flushing water wastewater disposal basin is by accident pool and adjusts
Section pond is connected.
Also there is the denitrification filter pool carbon source supplement to add structure.
The level-one advanced oxidation pretreatment unit and second level advanced oxidation advanced treatment unit include that titanium-based catalysis is smelly
Oxygen reactor and concatenated adverse current heterocatalysis oxidizing chamber and atm number circular response room, the titanium-based catalysis ozone reactor
It is connected to the front end of the adverse current heterocatalysis oxidizing chamber or is set in the adverse current heterocatalysis oxidizing chamber.
The beneficial effects of the utility model are: the high saliferous organic wastewater with difficult degradation thereby of the utility model reaches IV class water of earth's surface
The processing system of matter, first with the hardly possible biology in the ozone and hydroxyl radical free radical deoxidation water that Ti-base catalyst surface generates
The organic matter of degradation achievees the purpose that improve B/C than removing COD with depth, recycles Efficient salt-tolerant microbial flora to decompose high
Organic matter in brine waste finally sufficiently reduces nitrate under low consumption dose using denitrifying bacterium and carries out denitrogenation processing, from
And the water quality finally discharged is made to meet the tightened up discharge standard of country.
Detailed description of the invention
Fig. 1 is that the system for the processing system that the high saliferous organic wastewater with difficult degradation thereby of the utility model reaches IV class water quality of earth's surface connects
Connect block diagram.
In figure, 1. conditioning tanks, 2. accident pools, 3. high efficiency clarification tanks, 4. level-one advanced oxidation pretreatment units, 5. high salinity
Biochemical treatment unit, 6. separator for mud and water, 7. second level advanced oxidation advanced treatment units, 8. denitrification filter pools, 9. flushing waters are useless
Pond, 10. clear water reserviors, 11. sludge concentration tanks, 12. Disinfection examination ponds.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
The system that high saliferous organic wastewater with difficult degradation thereby provided by the utility model reaches the processing system of IV class water quality of earth's surface
Structural block diagram is as shown in Figure 1, include level-one advanced oxidation pretreatment unit 4, the high salinity biochemical treatment list being connected by pipeline
Member 5, second level advanced oxidation advanced treatment unit 7 and denitrification filter pool 8, level-one advanced oxidation pretreatment unit 4 and second level are high
Hydroxyl catalyst is provided in grade oxidation depth processing unit 7 and introduces ozone, is added in high salinity biochemical treatment unit 5
Efficient salt-tolerant microbial flora adds denitrifying bacterium in denitrification filter pool 8.
Sewage becomes high saliferous organic wastewater difficult to degrade after conventional concentration, the utility model first with
Medicament removes the high silicon magnesium and high rigidity pollutant that contain in waste water by the preprocessing means of conventional high-performance clarifying basin 3
It removes, guarantees the stable operation of subsequent processing units.
Waste water enters level-one advanced oxidation pretreatment unit 4 and decomposes wherein organic matter difficult to degrade later, specifically, level-one
It is provided with hydroxyl catalyst in advanced oxidation pretreatment unit 4 and introduces ozone, hydroxyl catalyst can be titanium metal catalyst,
Such as TiO2Or Ti-Ni alloy.It is micro in the hydroxyl radical free radical deoxidation water that catalyst surface generates using ozone, difficult raw
The organic matter of object degradation, to achieve the purpose that improve wastewater biodegradability.The technology is the complete oxidation technology of non-selectivity.
Waste water is then passed through high salinity biochemical treatment unit 5, high salinity biochemical treatment unit 5 includes connected hydrolysis acid
Beggar's unit and catalytic oxidation subelement two parts, added in hydrolysis acidification subelement and catalytic oxidation subelement respectively anaerobism and
Aerobic Efficient salt-tolerant microbial flora interrupts the macro-radical in waste water using hydrolysis acidification subelement and ferments,
Then it is further carried out catalytic oxidation processing.Efficient salt-tolerant microbial flora is that enriching of being contained using nature hypersaline environment is resistance to
Salt microorganism and halophilic microorganism resource, from hypersaline environments such as ocean, salt lake, salt-soda soil, soil, it is enriched, screening, separation,
Culture, domestication, cultivate and manufacturing condition under obtained high efficiency composition salt-durable microbe preparation.Its microbial inoculum is one
The pure natural microorganism formulation of kind includes salt tolerant bacterium, thermophilic as product form in the form of liquid, reference state or dry powder state etc.
Different generations including salt bacterium, halophilic archaea, salt-toler ant yeast, thermophilic salt saccharomycete, salt tolerant microfauna and thermophilic salt microfauna
The functional microorganism population for thanking to type rushes with organic pollutant degradation microorganism chain abundant in salt resistance ability, salt resistance degree
It is outstanding to hit the more general microbial inoculum of ability and anti-Organic loading shock ability etc..It can be according to aerobic, anaerobism and oxygen, denitrogenation
Different biochemical process and be added according to the target contaminants such as aliphatic hydrocarbon and arene, phenols, organic amine, efficiently it is resistance to
Salt tolerant and halophilic microorganism flora in the natural hypersaline environment of salt microbial flora set, can in the ring of salinity 1%-20%
Normal growth metabolism is carried out under border, is adapted to different high-salt wastewater water quality and is purified.
High salinity biochemical treatment unit 5 has been connected by circulation separator for mud and water 6 by mud return line, and separator for mud and water 6 is right
Mud-water separation is carried out by the waste water that Facultative Halophiles are handled, the qualified waste water of processing is passed through second level advanced oxidation advanced treatment unit
7 continue with, and underproof waste water is then back in high salinity biochemical treatment unit 5 and carries out secondary treatment.
Second level advanced oxidation advanced treatment unit 7 is identical as the structure of level-one advanced oxidation pretreatment unit 4, the processing list
Member is mainly used for the guarantee up to standard of water outlet；Ozone utilization rate can be improved using two-stage ozonation technology, reduce overall operation
Cost.
Preferably, level-one advanced oxidation pretreatment unit 4 and second level advanced oxidation advanced treatment unit 7 are urged including titanium-based
Change ozone reactor and concatenated adverse current heterocatalysis oxidizing chamber and atm number circular response room, titanium-based catalysis ozone reactor
It is connected to the front end of adverse current heterocatalysis oxidizing chamber or is set in adverse current heterocatalysis oxidizing chamber.The reaction of titanium-based catalysis ozone
Device is a kind of advanced oxidation device, and catalyst can use TiO2Or the catalyst such as Ti-Ni alloy, after being contacted with ozone
Sufficient concentrations of hydroxyl radical free radical can be generated to be reacted with the COD in water, stable and reliable operation, and to COD non-selectivity.
Titanium-based catalysis ozone reactor can be set outside adverse current heterocatalysis oxidizing chamber, make ozone gas after completing catalysis oxidation,
Ozone content is still greater than 1.0mg/m3, which enters atm number circular response room and carries out atm number circular response, to return
It receives using the ozone in tail gas, improves ozone utilization rate to the maximum extent, and the synchronous oxygen for carrying out speed and being exceedingly fast in the gas phase
Change reaction.The process engineering of its processing unit is a complete gas absorbing reaction process, and ozone utilization rate is more same than other
The ozone utilization rate of class reactor is higher by 20% or more, and cost reduces by 20% or more.
Denitrogenation processing is carried out in denitrification filter pool 8 by the waste water that second level advanced oxidation advanced treatment unit 7 is handled.Instead
The denitrifying bacterium added in nitrification filter tank 8 is the facultative oxygen-starved microorganism of a kind of chemoheterotrophy, is reacted under conditions of anoxic
It carries out, can be Micrococcus, Proteus, Bacillus, pseudomonas, alcaligenes, Flavobacterium etc..Instead
In nitrifying process, if in the presence of having dissolved oxygen in the water inlet of filter tank, denitrifying bacterium decomposing organic matter, using molecular oxygen as most
Whole electron acceptor organic matter provides energy as carbon source and electron donor and is oxidized stabilization, if the carbon source content of filter tank water inlet
It if lower, needs to add carbon source appropriate (such as methanol), therefore the denitrification filter pool 8 of the utility model also there is carbon source to mend
It fills and adds structure (not shown)；In the case where no dissolved oxygen, denitrifying bacterium utilizes the N in NO3-N and NO2-N5+And N3+
As the electron acceptor in energetic supersession, O2-H is generated as hydrogen acceptor2O and OH-Ion.In denitrification process, organic matter conduct
Electron donor provides energy and obtains oxidative degradation, electron acceptor is made using the nitrogen in nitrate, so that nitrate-nitrogen reduction is at nitrogen
Gas, reaction equation are as follows:
NO3 -+1.08CH3OH+0.24H2CO3→0.056C5H7NO2+0.47N2↑+1.68H2O+HCO3 -
NO2 -+0.67CH3OH+0.53H2CO3→0.04C5H7NO2+0.48N2↑+1.23H2O+HCO3 -
And the conversion of denitrification process Nitrite and nitrate anion is the assimilation and alienation by denitrifying bacteria
It acts on completing.Nitrite anions and nitrate anion are reduced into ammonia nitrogen under assimilation, for synthesizing cell, the nitrogen of new microbe
Process as cytoplasmic ingredient；Nitrite anions and nitrate anion are reduced to nitrogen, nitric oxide or an oxygen under dissimilation
Change the process of the gaseous materials such as phenodiazine, wherein main component is nitrogen, and the nitrogen of dissimilation removal accounts for about the 70- of total removal amount
75%.
Sludge is passed through sludge pump and is sent into sludge concentration tank 11, sludge concentration tank 11 by high efficiency clarification tank 3 and separator for mud and water 6
It is transported outward after being carried out dehydrating to sludge.
And conditioning tank 1 is also connected with by pipeline in 3 front end of high efficiency clarification tank.
8 rear end of denitrification filter pool is connected with clear water reserviors 10 by pipeline, and leads between denitrification filter pool 8 and clear water reserviors 10
Backwash tube is crossed to be connected by circulation.
10 rear end of clear water reserviors is connected with Disinfection examination pond 12 by pipeline, by sterilizing, detecting, if meeting discharge standard
Then directly discharged.
8 rear end of denitrification filter pool is also connected with flushing water wastewater disposal basin 9, and flushing water wastewater disposal basin 9 passes through accident pool 2 and conditioning tank
1 is connected.
Above structure is the conventional arrangement of this field, and this will not be repeated here.
The high saliferous organic wastewater with difficult degradation thereby of the utility model reaches the processing system of IV class water quality of earth's surface, first with
The organic matter of ozone and the difficult for biological degradation in hydroxyl radical free radical deoxidation water that Ti-base catalyst surface generates, reaches and improves B/
C recycles Efficient salt-tolerant microbial flora to decompose the organic matter in high slat-containing wastewater, finally than the purpose with depth removal COD
It using denitrifying bacterium under low consumption dose, sufficiently reduces nitrate and carries out denitrogenation processing, so that the water quality finally discharged is full
The discharge standard of IV class water standard of foot country.
Claims (10)
1. the processing system that high saliferous organic wastewater with difficult degradation thereby reaches IV class water quality of earth's surface, which is characterized in that including passing through pipeline
Connected level-one advanced oxidation pretreatment unit, high salinity biochemical treatment unit, second level advanced oxidation advanced treatment unit and
Hydroxyl is provided in denitrification filter pool, the level-one advanced oxidation pretreatment unit and second level advanced oxidation advanced treatment unit
Catalyst simultaneously introduces ozone, and salt-durable microbe flora, the denitrification filter pool are added in the high salinity biochemical treatment unit
Middle addition denitrifying bacterium.
2. high saliferous organic wastewater with difficult degradation thereby as described in claim 1 reaches the processing system of IV class water quality of earth's surface, feature
It is, is connected between the high salinity biochemical treatment unit and second level advanced oxidation advanced treatment unit by separator for mud and water,
It is connected by circulation between the separator for mud and water and the high salinity biochemical treatment unit by mud return line.
3. high saliferous organic wastewater with difficult degradation thereby as described in claim 1 reaches the processing system of IV class water quality of earth's surface, feature
It is, the level-one advanced oxidation pretreatment unit front end also passes through pipeline and is connected with high efficiency clarification tank.
4. high saliferous organic wastewater with difficult degradation thereby as claimed in claim 3 reaches the processing system of IV class water quality of earth's surface, feature
It is, the high efficiency clarification tank and separator for mud and water are connected with sludge concentration tank jointly.
5. high saliferous organic wastewater with difficult degradation thereby as claimed in claim 3 reaches the processing system of IV class water quality of earth's surface, feature
It is, the high efficiency clarification tank front end is connected with conditioning tank by pipeline.
6. high saliferous organic wastewater with difficult degradation thereby as described in claim 1 reaches the processing system of IV class water quality of earth's surface, feature
It is, the denitrification filter pool rear end is connected with clear water reserviors by pipeline, and by anti-between denitrification filter pool and clear water reserviors
Flushing pipe is connected by circulation.
7. high saliferous organic wastewater with difficult degradation thereby as claimed in claim 6 reaches the processing system of IV class water quality of earth's surface, feature
It is, the clear water reserviors rear end is connected with Disinfection examination pond by pipeline.
8. high saliferous organic wastewater with difficult degradation thereby as described in claim 1 reaches the processing system of IV class water quality of earth's surface, feature
It is, the denitrification filter pool rear end is also connected with flushing water wastewater disposal basin, and the flushing water wastewater disposal basin is by accident pool and adjusts
Pond is connected.
9. high saliferous organic wastewater with difficult degradation thereby as described in claim 1 reaches the processing system of IV class water quality of earth's surface, feature
It is, also there is the denitrification filter pool carbon source supplement to add structure.
10. high saliferous organic wastewater with difficult degradation thereby as described in claim 1 reaches the processing system of IV class water quality of earth's surface, feature
It is, the level-one advanced oxidation pretreatment unit and second level advanced oxidation advanced treatment unit include that titanium-based catalysis ozone is anti-
Answer device and concatenated adverse current heterocatalysis oxidizing chamber and atm number circular response room, the titanium-based catalysis ozone reactor connection
In the adverse current heterocatalysis oxidizing chamber front end or be set in the adverse current heterocatalysis oxidizing chamber.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111606410A (en) * | 2020-06-12 | 2020-09-01 | 天津德鑫石化设备有限公司 | High salt denitrification test device that contains |
| CN112777847A (en) * | 2020-12-09 | 2021-05-11 | 北京理工大学 | Method for degrading surface water chemical oxygen demand by coupling advanced oxidation and fungus biochemistry |
| CN114291981A (en) * | 2022-02-11 | 2022-04-08 | 贵州中车绿色环保有限公司 | Red mud leachate biochemical treatment system and treatment method |
| CN115093072A (en) * | 2022-06-09 | 2022-09-23 | 江苏方洋水务有限公司 | Advanced treatment method for petrochemical high-salinity degradation-resistant wastewater |
-
2018
- 2018-09-12 CN CN201821490552.5U patent/CN209210575U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111606410A (en) * | 2020-06-12 | 2020-09-01 | 天津德鑫石化设备有限公司 | High salt denitrification test device that contains |
| CN112777847A (en) * | 2020-12-09 | 2021-05-11 | 北京理工大学 | Method for degrading surface water chemical oxygen demand by coupling advanced oxidation and fungus biochemistry |
| CN114291981A (en) * | 2022-02-11 | 2022-04-08 | 贵州中车绿色环保有限公司 | Red mud leachate biochemical treatment system and treatment method |
| CN115093072A (en) * | 2022-06-09 | 2022-09-23 | 江苏方洋水务有限公司 | Advanced treatment method for petrochemical high-salinity degradation-resistant wastewater |
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