CN209010302U - High pressure ionization catalysis oxidation couples ceramic membrane purifier - Google Patents
High pressure ionization catalysis oxidation couples ceramic membrane purifier Download PDFInfo
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- CN209010302U CN209010302U CN201821634191.7U CN201821634191U CN209010302U CN 209010302 U CN209010302 U CN 209010302U CN 201821634191 U CN201821634191 U CN 201821634191U CN 209010302 U CN209010302 U CN 209010302U
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Abstract
The utility model discloses high pressure ionization catalysis oxidations to couple ceramic membrane purifier, including·OH generation device,·OH throwing device and ceramic membrane filter device；It is described·OH generation device, including gas flow and pressure-control valve, plasma integrate source, high-frequency and high-voltage power supply, venturi air and liquid mixer,·OH concentration on-line computing model；It is described·OH throwing device, including high-efficiency negative-pressure ejector,·OH concentration on-line computing model is used for high concentration·OH solution is mixed with processing the efficient of water body；The ceramic membrane filter device, including ceramic film component, pressure sensor, Inlet and outlet water valve, suction pump.The utility model using high pressure ionization water and oxygen ionization after generate the large-tonnage hydroxyl radical free radical of high concentration (·OH), give full play to·OH catalysis oxidation and oxidation resistance compared with can ceramic membrane between synergistic effect fouling membrane is effectively relieved while efficiently removal Recalcitrant chemicals, ensureing effluent quality.
Description
Technical field
The utility model belongs to water treatment field, and in particular to high pressure ionization catalysis oxidation couples ceramic membrane purifier.
Background technique
Membrane separation technique is increasingly becoming the research hotspot of water treatment field in recent years, and in drinking water treatment, sanitary sewage
The fields such as processing and Industrial Wastewater Treatment are industrialized and scale application.Compared with conventional water treatment technology, UF membrane
Technology can effectively retain the pollutants such as particulate matter, colloid, larger molecular organics and the microorganism in water body, but in longtime running
The membrane pollution problem occurred in the process still restricts the further genralrlization application of the technology.In addition, for some emerging in water
Micro-content organism, such as incretion interferent (EDCs), drug and personal-care supplies (PPCPs) and persistence organic pollutant
(POPs) etc., it is limited to its ability to function as the low pressure membrane technology of core using ultrafiltration, and these emerging pollutants are a large amount of
It is present in water body and huge threat is caused to the health of people.
Currently, preconditioning technique is widely used in the alleviation of fouling membrane and the promotion of effluent quality before film, it is main to pre-process
Mode includes coagulation, absorption and oxidation etc., but these common pretreatment modes can have some problems in practical application.Example
Such as, conventional coagulation has preferable removal effect to the macromolecular organic pollutant for causing fouling membrane, but deposits extensively in water body
Micro-content organism, such as EDCs, PPCPs and POPs removal ability is limited；Shao et al. (Journal of Membrane
Science, 2016,500:99-105) discovery using Powdered Activated Carbon as ultrafiltration membrane pre-treatment when, discovery Powdered Activated Carbon with
It will form combined pollution between humic acid, to aggravate fouling membrane；Wei et al. (Chemical Engineering
Journal, 2016,294:157-166) discovery, although ozone oxidation can alleviate the extracellular organic matter of algae to a certain extent and draw
The fouling membrane risen, but due to ozone oxidation and be not thorough, larger molecular organics have only been oxidized to small-molecule substance, have been difficult
Reach the permineralization degradation of organic matter, this allows for content of organics in water outlet and dramatically increases, and brings to effluent quality negative
Face is rung.For this reason, it is necessary to research and develop a kind of novel purifier, effluent quality can be greatly improved and film is effectively relieved
Pollution.
Utility model content
It is long-term to persistent organic pollutants removal efficiency deficiency and membrane separation technique for existing Technology development
The membrane pollution problem occurred is run, the utility model provides high pressure ionization catalysis oxidation and couples ceramic membrane purifier, utilizes height
Piezoelectricity from water and oxygen ionization after generate the large-tonnage hydroxyl radical free radical of high concentration (·OH), give full play to·OH catalysis oxidation with
Oxidation resistance in efficiently removal Recalcitrant chemicals, ensures the same of effluent quality compared with the synergistic effect between the ceramic membrane of energy
When, fouling membrane is effectively relieved.
The purpose of this utility model is achieved through the following technical solutions:
High pressure ionization catalysis oxidation couples ceramic membrane purifier, including·OH generation device,·OH throwing device and ceramics
Film filter, it is characterised in that:
It is described·OH generation device, including gas flow and pressure-control valve, plasma integrate source, high-frequency and high-voltage power supply,
Venturi air and liquid mixer,·OH concentration on-line computing model；O2And H2O integrates source inlet end with plasma by pipeline and is connected,
Institute's connecting leg Lu Shangyu gas flow, pressure-control valve connect, plasma integrate source be connected with high-frequency and high-voltage power supply, wait from
Daughter source outlet end is connected by pipeline with the gas access end of venturi air and liquid mixer, is arranged on its connecting line·OH
Concentration on-line computing model, venturi air and liquid mixer water outlet and high-efficiency negative-pressure ejector·OH solution inlet end is connected；
It is described·OH throwing device, including high-efficiency negative-pressure ejector,·OH concentration on-line computing model is used for high concentration·OH is molten
Liquid is mixed with processing the efficient of water body；The gas liquid outlet end of venturi air and liquid mixer passes through pipeline and high-efficiency negative-pressure ejector·
OH solution inlet end is connected, and high-efficiency negative-pressure ejector water body arrival end is connected with the outlet pipeline of pending water, in high-efficiency negative-pressure
It is connected on ejector outlet conduit·OH concentration on-line computing model, high-efficiency negative-pressure ejector outlet conduit and ceramic film component into
The mouth of a river is connected；
The ceramic membrane filter device, including ceramic film component, pressure sensor, Inlet and outlet water valve, suction pump；Ceramic membrane
The water inlet of component is connected with high-efficiency negative-pressure ejector outlet conduit, and the pipeline is equipped with inlet valve, and ceramic film component goes out
The mouth of a river is connected by pipeline with suction pump water inlet, and pipeline is equipped with flowing water Valve, pressure sensor, suction pump water outlet and production
Water tank is connected；
Preferably, described·The gas being added in OH generation device is O2Or H2O；
Preferably, described·In OH throwing device·OH solution is sufficiently mixed with processing water according to the ratio of 1:20~40,·OH
The efficient incorporation time of solution and processing water body is 15-30s, oxidant·OH dosage is 0.5-1.0mg/L；
Preferably, the ceramic film component is the Ceramic excessive filtration that average membrane pore size size is 50kDa, 100kDa or 150kDa
Film or average membrane pore size size are the microfiltration ceramic membrane of 50nm, 100nm or 200nm；Ceramic membrane material be aluminium oxide, zirconium oxide,
Combination between titanium oxide or different materials；Ceramic film outward appearance configuration uses flat, tubular type or hollow fiber form.
A kind of principle of high pressure ionization catalysis oxidation coupling ceramic membrane purifier of the utility model are as follows:
(1) use strong electric field ionization discharge method, utilize high pressure ionization H2O and O2The big production of high concentration is generated after ionization
The high concentration of amount·OH, specific reaction equation are as follows:
O2+e→O2 ++2e
O2 ++H2O+M→O2 +(H2O)+M
O2 +(H2O)+H2O→H3O++O2+·OH
2H2O+e→H2O++H2O*+2e
H2O*→·H+·OH
H2O++H2O→H3O++·OH
H2O+→H++·OH
(2) it utilizes·The Strong oxdiative characteristic of OH, can by the direct mineralizing and degrading of micro quantity organic pollutant present in water body,
Or it is oxidized to intermediate product or Partial digestion, to reduce its bio-toxicity；Meanwhile passing through·The degradation of OH in-situ catalytic oxidation is drawn
The macromolecular organic pollutant for playing ceramic fouling membrane achievees the purpose that fouling membrane is alleviated.
The utility model has the following beneficial effects:
(1) the utility model passes through high pressure ionization H2O and O2A large amount of high concentration OH are generated, there is extremely strong oxidability,
And·OH oxidation have it is non-selective, oxidation efficiency is high, can thoroughly be degraded to organic matter, mineralising, while reaching water outlet
The purpose that water quality is promoted and fouling membrane is alleviated.
(2) high pressure ionization catalysis oxidation and ceramic membrane are integrated in integrated apparatus by the utility model, to membrane contaminant
In-situ catalytic oxidation degradation is carried out, fouling membrane can be obviously improved and alleviate efficiency, extend the ceramic membrane cycle of operation, shorten hydraulic reverse
It rinses and chemical cleaning period, lifting device operational efficiency.
(3) in the utility model water purification process without adding of agent,·OH catalysis oxidation can be by the most final decline such as organic pollutant
Solution is CO2、H2The inorganic salts of O and micro nonhazardous are environmentally friendly purifiers, will not be strong to the drinking-water of environment and people
Health causes damages.
(4) purifier of the utility model development is easy to operate, and operating cost is low, and occupied area is small, being capable of efficient, peace
A variety of persistent organic pollutants in full mineralized water.
Detailed description of the invention
Fig. 1 is that the utility model high pressure ionization catalysis oxidation couples ceramic membrane purifier schematic diagram.
Description of symbols: 1 plasma integrates source, 2 high-frequency and high-voltage power supplies, and 3·OH concentration on-line computing model, 4 venturi
Air and liquid mixer, 5 high-efficiency negative-pressure ejectors, 6·OH concentration on-line computing model, 7 ceramic film components, 8 pressure sensors, 9 suctions
Pump, 10 water producing tanks.
Specific embodiment
The utility model is specifically described with reference to the accompanying drawings and embodiments.
High pressure ionization catalysis oxidation couples ceramic membrane purifier, including·OH generation device,·OH throwing device and ceramics
Film filter；
It is described·OH generation device, including gas flow and pressure-control valve, plasma integrate source 1, high-frequency and high-voltage power supply
2, venturi air and liquid mixer 4,·OH concentration on-line computing model 3；O2And H2O integrates source inlet end phase by pipeline and plasma
Even, it being connected in institute's connecting leg Lu Shangyu gas flow, pressure-control valve, plasma integrates source and is connected with high-frequency and high-voltage power supply,
Plasma source outlet end is connected by pipeline with the gas access end of venturi air and liquid mixer, is set on its connecting line
It sets·OH concentration on-line computing model, venturi air and liquid mixer water outlet and high-efficiency negative-pressure ejector·OH solution inlet end is connected；
Source 1 is integrated by 2 plasma of high-frequency and high-voltage power supply and applies high-frequency pulse voltage, nonequilibrium plasma is generated, by O2And H2O
It is large-tonnage that high concentration is generated after ionization·OH is utilized·OH concentration on-line computing model 3 detects its concentration.Further,
Make gaseous state using venturi air and liquid mixer 4·OH is sufficiently mixed with part staying water, generates high concentration·OH solution.
It is described·OH throwing device, including high-efficiency negative-pressure ejector 5,·OH concentration on-line computing model 6 is used for high concentration·OH
Solution is mixed with processing the efficient of water body；The gas liquid outlet end of venturi air and liquid mixer passes through pipeline and high-efficiency negative-pressure jet stream
Device·OH solution inlet end is connected, and high-efficiency negative-pressure ejector water body arrival end is connected with the outlet pipeline of pending water, is efficiently bearing
It is connected on jet flow device outlet conduit·OH concentration on-line computing model, high-efficiency negative-pressure ejector outlet conduit and ceramic film component
Water inlet is connected；It is sufficiently mixed with raw water to be processed according to the ratio of 1:20~40 using high-efficiency negative-pressure ejector 5,·OH solution with
The efficient incorporation time for handling water body is 15-30s, oxidant·OH dosage is 0.5-1.0mg/L, carries out catalysis oxidation depth
Processing.
The ceramic membrane filter device, including ceramic film component 7, pressure sensor 8, Inlet and outlet water valve, suction pump 9；Pottery
The water inlet of porcelain membrane module is connected with high-efficiency negative-pressure ejector outlet conduit, and the pipeline is equipped with inlet valve, ceramic membrane group
Part water outlet is connected by pipeline with suction pump water inlet, and pipeline is equipped with flowing water Valve, pressure sensor, suction pump water outlet
It is connected with water producing tank 10；Ceramic film component is the ceramic super-filtering film that average membrane pore size size is 50kDa, 100kDa or 150kDa,
Or average membrane pore size size is the microfiltration ceramic membrane of 50nm, 100nm or 200nm；Ceramic membrane material is aluminium oxide, zirconium oxide, oxygen
Change the combination between titanium or different materials；Ceramic film outward appearance configuration uses flat, tubular type or hollow fiber form.·OH is catalyzed oxygen
Changing further to carry out ira situ degradation to membrane contaminant, be obviously improved fouling membrane and alleviate efficiency, extend the ceramic membrane cycle of operation, contracting
Short waterpower backwash and chemical cleaning period, lifting device operational efficiency.
Claims (4)
1. high pressure ionization catalysis oxidation couples ceramic membrane purifier, including·OH generation device,·OH throwing device and ceramic membrane
Filter device, it is characterised in that:
It is described·OH generation device, including gas flow and pressure-control valve, plasma integrate source, high-frequency and high-voltage power supply, Wen Qiu
In air and liquid mixer,·OH concentration on-line computing model；O2And H2O integrates source inlet end with plasma by pipeline and is connected, in institute
Connecting leg road is connect with gas flow, pressure-control valve, and plasma integrates source and is connected with high-frequency and high-voltage power supply, plasma
Source outlet end is connected by pipeline with the gas access end of venturi air and liquid mixer, is arranged on its connecting line·OH concentration
On-line computing model, venturi air and liquid mixer water outlet and high-efficiency negative-pressure ejector·OH solution inlet end is connected；
It is described·OH throwing device, including high-efficiency negative-pressure ejector,·OH concentration on-line computing model is used for high concentration·OH solution with
Handle the efficient mixing of water body；The gas liquid outlet end of venturi air and liquid mixer passes through pipeline and high-efficiency negative-pressure ejector·OH is molten
Liquid arrival end is connected, and high-efficiency negative-pressure ejector water body arrival end is connected with the outlet pipeline of pending water, in high-efficiency negative-pressure jet stream
It is connected on device outlet conduit·OH concentration on-line computing model, the water inlet of high-efficiency negative-pressure ejector outlet conduit and ceramic film component
It is connected；
The ceramic membrane filter device, including ceramic film component, pressure sensor, Inlet and outlet water valve, suction pump；Ceramic film component
Water inlet be connected with high-efficiency negative-pressure ejector outlet conduit, the pipeline be equipped with inlet valve, ceramic film component water outlet
It is connected by pipeline with suction pump water inlet, pipeline is equipped with flowing water Valve, pressure sensor, suction pump water outlet and water producing tank
It is connected.
2. high pressure ionization catalysis oxidation according to claim 1 couples ceramic membrane purifier, it is characterised in that: described·
The gas being added in OH generation device is O2Or H2O。
3. high pressure ionization catalysis oxidation according to claim 1 couples ceramic membrane purifier, it is characterised in that: described·
In OH throwing device·OH solution is sufficiently mixed with processing water according to the ratio of 1:20~40,·OH solution is efficient with processing water body
Incorporation time is 15-30s, oxidant·OH dosage is 0.5-1.0mg/L.
4. high pressure ionization catalysis oxidation according to claim 1 couples ceramic membrane purifier, it is characterised in that: the pottery
Porcelain membrane module is the ceramic super-filtering film that average membrane pore size size is 50kDa, 100kDa or 150kDa or average membrane pore size size is
The microfiltration ceramic membrane of 50nm, 100nm or 200nm；Ceramic membrane material is between aluminium oxide, zirconium oxide, titanium oxide or different materials
Combination；Ceramic film outward appearance configuration uses flat, tubular type or hollow fiber form.
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| CN201821634191.7U CN209010302U (en) | 2018-10-09 | 2018-10-09 | High pressure ionization catalysis oxidation couples ceramic membrane purifier |
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| CN201821634191.7U CN209010302U (en) | 2018-10-09 | 2018-10-09 | High pressure ionization catalysis oxidation couples ceramic membrane purifier |
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| CN209010302U true CN209010302U (en) | 2019-06-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112340840A (en) * | 2019-08-08 | 2021-02-09 | 北京化工大学 | Membrane oxidation reactor and wastewater treatment method |
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2018
- 2018-10-09 CN CN201821634191.7U patent/CN209010302U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112340840A (en) * | 2019-08-08 | 2021-02-09 | 北京化工大学 | Membrane oxidation reactor and wastewater treatment method |
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