CN109502865A - It is a kind of for handling the three-stage device for catalyzing and oxidating ozone and its application method of indegradable industrial effluent - Google Patents
It is a kind of for handling the three-stage device for catalyzing and oxidating ozone and its application method of indegradable industrial effluent Download PDFInfo
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- CN109502865A CN109502865A CN201811531011.7A CN201811531011A CN109502865A CN 109502865 A CN109502865 A CN 109502865A CN 201811531011 A CN201811531011 A CN 201811531011A CN 109502865 A CN109502865 A CN 109502865A
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- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 299
- 239000003295 industrial effluent Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000003647 oxidation Effects 0.000 claims abstract description 148
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 148
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 130
- 230000003197 catalytic effect Effects 0.000 claims abstract description 51
- 238000006385 ozonation reaction Methods 0.000 claims abstract description 45
- 238000005273 aeration Methods 0.000 claims abstract description 19
- 239000003054 catalyst Substances 0.000 claims abstract description 16
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000010936 titanium Substances 0.000 claims abstract description 13
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 13
- 238000012545 processing Methods 0.000 claims abstract description 10
- 238000011897 real-time detection Methods 0.000 claims description 51
- 230000001105 regulatory effect Effects 0.000 claims description 36
- 238000006243 chemical reaction Methods 0.000 claims description 21
- 239000002351 wastewater Substances 0.000 claims description 19
- 239000007789 gas Substances 0.000 claims description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 15
- 239000001301 oxygen Substances 0.000 claims description 15
- 229910052760 oxygen Inorganic materials 0.000 claims description 15
- 239000005416 organic matter Substances 0.000 claims description 13
- 230000033228 biological regulation Effects 0.000 claims description 9
- 238000009826 distribution Methods 0.000 claims description 9
- 235000013399 edible fruits Nutrition 0.000 claims description 9
- 238000006555 catalytic reaction Methods 0.000 claims description 8
- 239000002585 base Substances 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 6
- 239000003607 modifier Substances 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- -1 hydroxyl radical free radical Chemical class 0.000 claims description 4
- 239000010842 industrial wastewater Substances 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 150000003384 small molecules Chemical class 0.000 claims description 4
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 3
- 238000005276 aerator Methods 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 150000001735 carboxylic acids Chemical class 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 230000005284 excitation Effects 0.000 claims description 3
- 235000019253 formic acid Nutrition 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910000000 metal hydroxide Inorganic materials 0.000 claims description 3
- 150000004692 metal hydroxides Chemical class 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 150000002894 organic compounds Chemical class 0.000 claims description 3
- 230000002572 peristaltic effect Effects 0.000 claims description 3
- 229920002401 polyacrylamide Polymers 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 239000008187 granular material Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 description 16
- 239000010865 sewage Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 239000000149 chemical water pollutant Substances 0.000 description 4
- 230000029087 digestion Effects 0.000 description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 150000003254 radicals Chemical class 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000001079 digestive effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 2
- 239000003864 humus Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 230000001699 photocatalysis Effects 0.000 description 2
- 125000003367 polycyclic group Chemical group 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229940011871 estrogen Drugs 0.000 description 1
- 239000000262 estrogen Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000007210 heterogeneous catalysis Methods 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 231100001231 less toxic Toxicity 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- 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
- C02F2101/32—Hydrocarbons, e.g. oil
- C02F2101/327—Polyaromatic Hydrocarbons [PAH's]
-
- 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
- C02F2101/36—Organic compounds containing halogen
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Physical Water Treatments (AREA)
Abstract
The present invention relates to a kind of for handling the three-stage device for catalyzing and oxidating ozone and its application method of indegradable industrial effluent, including reactor body, and reactor body is provided with UV ozone oxidation area, catalytic ozonation area, ozone oxidation area from top to bottom；It is interconnected between each adjacent region in reactor body and is provided with supporting layer and separate；The upper surface of each supporting layer is provided with catalyst；Water inlet is connected in the ozone oxidation area of reactor body；Water outlet and exhaust outlet are connected in the UV ozone oxidation area of reactor body；UV ozone oxidation area, catalytic ozonation area, ozone oxidation area are provided with titanium aeration plate；UV ozone oxidation is provided with ultraviolet lamp in area.It has the advantages that structurally reasonable, novel in design, easy for operation, maintenance cost is low, stabilization reliable for operation, the degree of automation are relatively high, while can also effectively solve the defects of ozone oxidation rate in indegradable industrial effluent processing is low, water outlet is not sufficiently stable.
Description
Technical field
The present invention relates to catalytic ozonations and water-treatment technology field, more particularly to one kind is for handling industry difficult to degrade
The three-stage device for catalyzing and oxidating ozone and its application method of waste water.
Background technique
With the rapid development of our country's economy, the waste water that the mankind discharge into environment is increasing.Industrial wastewater contains because of it
There are a large amount of hardly degraded organic substances and become environmental science focal point, these hardly degraded organic substances are serious due to high toxicity
Threaten human health.
High-level oxidation technology can generate strong oxidizing property free radical, macromolecular hardly degraded organic substance is oxidized to less toxic or nontoxic
Small-molecule substance, while there is very big advantage also in terms of the processing of the micro-content organisms such as Environmental estrogen, can make big
Partial organic substances permineralization or decomposition, therefore high-level oxidation technology is widely studied and applied to indegradable industrial effluent
Processing.In recent years, studying more high-level oxidation technology has the advanced oxidation based on ozone, the advanced oxidation based on Fenton, electricity
Chemical oxidation, photocatalysis etc..Wherein, based on the catalysis oxidation of ozone since processing cost is low, effect is good, and without secondary pollution is excellent
Point has a good application prospect.
Currently, being directed to catalytic ozonation technology, numerous studies have been done both at home and abroad and have achieved certain achievement.Application number
For the method for Humus organic pollutant in a kind of 201210436656.9 catalytic ozonation degradation water of patented invention,
The preparation and O3 catalytic oxidation for being directed to a kind of cobalt Mn complex oxide catalyst are to the processing of sewage.The hair
In the bright sewage treatment that can be used for the organic pollutants containing Humus such as landfill leachate.Application No. is 201320835733.8
Patent proposes a kind of photocatalytic ozonation reactor, for handling refractory organic industrial sewage.Application No. is
201010191750.3 patent of invention propose a kind of method and apparatus of heterogeneous catalysis ozone oxidation Sewage advanced treatment,
The method coupled using segmented ozone oxidation and catalysis oxidation, is not only removed hardly degraded organic substance in waste water, moreover it is possible to
Enough improve ozone utilization rate.Removal for hardly degraded organic substance, independent catalytic ozonation and UV ozone catalysis oxidation
Research all someone report.But solubility is not high in water for ozone, ozone utilization rate is lower in reaction process, to reduce
The effect of ozone oxidation.
Organic matter in indegradable industrial effluent, high organic content, and biodegradability is poor, generallys use the side of advanced oxidation
Method removes hardly degraded organic substance in waste water.Ozone oxidizing potential with higher can be aoxidized by directly reaction with indirect reaction
Remove the hardly degraded organic substance in waste water.However, the reaction selectivity of ozone and organic matter is stronger, not to the salinity of organic matter
Height, organic matter, which decomposes the intermediate product generated, can also prevent the further oxidation of ozone.The present invention is based on the studies above back
Scape and propose, it is intended to improve ozone utilization rate and promoted ozone oxidation effect.
Summary of the invention
It is an object of the invention to: overcome deficiency present in indegradable industrial effluent treatment process in the prior art, mentions
For a kind of for handling the three-stage device for catalyzing and oxidating ozone and its application method of indegradable industrial effluent, closed with structure
Reason, the advantage that novel in design, easy for operation, maintenance cost is low, stabilization reliable for operation, the degree of automation are relatively high, together
When can also effectively solve that ozone oxidation rate in indegradable industrial effluent processing is low, water outlet the defects of being not sufficiently stable.
In order to achieve the above object, the present invention adopts the following technical scheme that realization:
It is a kind of for handling the three-stage device for catalyzing and oxidating ozone of indegradable industrial effluent, which includes reactor master
Body, wherein reactor body is provided with UV ozone oxidation area, catalytic ozonation area, ozone oxidation area from top to bottom；Reaction
It is interconnected between each adjacent region in device main body and is provided with supporting layer and separate；The upper surface of each supporting layer is provided with catalysis
Agent；Water inlet is connected in the ozone oxidation area of the reactor body；In the UV ozone oxidation area of the reactor body
It is connected with water outlet and exhaust outlet；The UV ozone oxidation area, catalytic ozonation area, ozone oxidation area are provided with and are used for
The titanium aeration plate of uniform gas distribution；It is provided in the UV ozone oxidation area for exciting ozone to generate the ultraviolet of hydroxyl radical free radical
Lamp.
As advanced optimizing for above scheme, discharge outlet is additionally provided in the ozone oxidation area；The UV ozone
Zoneofoxidation, catalytic ozonation area, titanium aeration plate is connected with gas flowmeter in ozone oxidation area；The gas flowmeter
To the air inflow ratio of titanium aeration plate in above-mentioned UV ozone oxidation area, catalytic ozonation area, ozone oxidation area are as follows: 1-1.5:
2-3:2-3.
As advanced optimizing for above scheme, which further includes automatic control system, the automatic control system packet
Include controller, first flow sensor, second flow sensor, third flow sensor, the first COD concentration sensor, second
COD concentration sensor, the first ozone concentration sensor, the second ozone concentration sensor, third ozone concentration sensor；Described
One flow sensor, second flow sensor, the first COD concentration sensor, the 2nd COD concentration sensor, the first ozone concentration
Sensor, the second concentration sensor, third concentration sensor are connect with controller data signal；
The first flow sensor is set on the water inlet pipe of the water inlet for intaking in real-time detection water inlet pipe
Signal is measured, and the inflow signal of real-time detection is sent to controller；
The second flow sensor is set on the outlet pipe of the water outlet for being discharged in real-time detection outlet pipe
Signal is measured, and the water yield signal of real-time detection is sent to controller；
The third flow sensor is set on the exhaust pipe of the exhaust outlet for being vented in real-time detection exhaust pipe
Signal is measured, and the capacity signal of real-time detection is sent to controller；
The first COD concentration sensor is set on the water inlet pipe of the water inlet in real-time detection water inlet pipe
COD concentration signal, and the COD concentration signal of real-time detection is sent to controller；
The 2nd COD concentration sensor is set on the outlet pipe of the water outlet in real-time detection outlet pipe
COD concentration signal, and the COD concentration signal of real-time detection is sent to controller；
First ozone concentration sensor is set in the ozone oxidation area in real-time detection ozone oxidation area
Ozone concentration signal, and the ozone concentration signal of real-time detection is sent to controller；
Second ozone concentration sensor is set in the catalytic ozonation area for real-time detection ozone catalytic
Ozone concentration signal in zoneofoxidation, and the ozone concentration signal of real-time detection is sent to controller；
The third ozone concentration sensor is set in the UV ozone oxidation area for real-time detection UV ozone
Ozone concentration signal in zoneofoxidation, and the ozone concentration signal of real-time detection is sent to controller；
The controller is dense by COD in received real-time inflow signal, water yield signal, capacity signal, water inlet pipe
Spend signal, COD concentration signal in outlet pipe, ozone concentration signal in ozone oxidation area, ozone concentration in UV ozone oxidation area
Ozone concentration signal is stored in the memory being connected with controller after data conversion in signal, UV ozone oxidation area,
And it is compared with respective threshold preset in memory, and comparison result is also stored in memory.
As advanced optimizing for above scheme, first flow regulating valve is provided in the water inlet pipe；
Second flow regulating valve is provided in the outlet pipe；
Third flow control valve is provided in the exhaust pipe；
The first ozone concentration regulating valve is provided in the ozone oxidation area；
The second ozone concentration regulating valve is provided in the catalytic ozonation area；
Third ozone concentration regulating valve is provided in the UV ozone oxidation area；
The controller respectively with first flow regulating valve, second flow regulating valve, third flow control valve, the first ozone
Concentration regulating valve, the second ozone concentration regulating valve, the control connection of third ozone concentration regulating valve；
The controller is according to knot of the COD concentration value compared with preset respective threshold in real-time water inlet magnitude, water inlet pipe
Water inlet/water yield of fruit control first flow regulating valve；
The controller is according to knot of the COD concentration value compared with preset respective threshold in real-time water outlet magnitude, outlet pipe
Water inlet/water yield of fruit control second flow regulating valve；
The controller is adjusted according to real-time ventilation magnitude and preset respective threshold comparison result control third flow
The capacity of valve；
The controller is according to ozone concentration value in real-time ozone oxidation area and preset respective threshold comparison result control
It makes the first ozone concentration and adjusts valve regulation ozone concentration；
The controller is according to knot of the ozone concentration value compared with preset respective threshold in real-time catalytic ozonation area
Fruit controls the second ozone concentration and adjusts valve regulation ozone concentration；
The controller is according to knot of the ozone concentration value compared with preset respective threshold in real-time UV ozone oxidation area
Fruit controls third ozone concentration and adjusts valve regulation ozone concentration.
As advanced optimizing for above scheme, the automatic control system further includes the display being connected with controller
And wireless transceiver；The display is for showing the real-time inflow signal value after data conversion, water yield signal value, row
COD concentration signal value in tolerance signal value, water inlet pipe, COD concentration signal value in outlet pipe, ozone concentration letter in ozone oxidation area
Number value, ozone concentration signal value in UV ozone oxidation area, ozone concentration signal value in UV ozone oxidation area；
The wireless transceiver is connected by wireless network and Cloud Server wireless communication；The Cloud Server passes through wireless
Network is connected with remote monitoring center or intelligent mobile terminal, and by real-time inflow signal value, water yield signal value, row
COD concentration signal value in tolerance signal value, water inlet pipe, COD concentration signal value in outlet pipe, ozone concentration letter in ozone oxidation area
Ozone concentration signal value in number value, UV ozone oxidation area ozone concentration signal value and compares in UV ozone oxidation area
As a result it is sent to remote monitoring center or intelligent mobile terminal together.
As advanced optimizing for above scheme, the automatic control system further includes connecting with controller data signal
PH concentration sensor, the pH concentration sensor are set to for the pH signal value in real-time detection water inlet pipe in water inlet pipe, and
The pH signal value of real-time detection is sent to controller, the controller is by the real-time pH signal value received after data conversion
Storage is also preset with pH concentration threshold with memory in the memory, the controller is by real-time pH value and preset pH
Concentration threshold is compared, and adjusts acid-base modifier in water inlet pipe according to the result of the comparison.
As advanced optimizing for above scheme, the acid-base modifier includes compound alkali and polyacrylamide.
As advanced optimizing for above scheme, the supporting layer be the porous plectane of stainless steel, diameter 700-800mm,
With a thickness of 3-5mm, the hole for support catalyst and water distribution gas distribution is evenly arranged on the supporting layer, which is
2-5mm；The catalyst is activated alumina or active carbon, the spherical shape of the diameter 3-5mm of the activated alumina or active carbon
Particle and area load have for metal-based catalysts such as the metal oxide of O3 catalytic oxidation or metal hydroxides；It is described
The aeration head of titanium aeration plate is hemispheric aerator, and the diameter of hemisphere is 55mm, and each aeration head respectively connects one
Gas flowmeter, for adjusting the ozone flow of three reaction zones, according to the different gas flow of water quality adjustment；The ultraviolet lamp
Power be 75W, the irradiation time of ultraviolet lamp is 1h.
The present invention is above-mentioned for handling the application method packet of the three-stage device for catalyzing and oxidating ozone of indegradable industrial effluent
Include following steps: 1) pH value in adjusting indegradable industrial effluent, inflow, and be delivered to industrial wastewater instead by water inlet pipe
Answer the ozone oxidation area of device main body；The ozone concentration for adjusting ozone oxidation area, by long chain organic compound difficult to degrade, polycyclic virtue
Hydrocarbon, organic chloride decompose, and form organic matter, the aldehyde material of short chain；
2) waste water after ozone Oxidation Treatment in step 1) enters catalytic ozonation area progress catalytic ozonation
Reaction adjusts the ozone concentration in catalytic ozonation area, the hydroxyl generated in the catalytic ozonation area using ozone catalytic
Short chain organic matter, the aldehyde material that the further ozone oxidation of free radical is formed, generate the formic acid, carboxylic acid, carbon dioxide of small molecule
And water；
3) by catalytic ozonation in step 2), treated that waste water enters UV ozone oxidation area, in UV ozone oxygen
Change in area, ozone passes through ultraviolet excitation, to further oxidation processes are discharged, improves the utilization rate of ozone, guarantees that water outlet can
Stably reaching standard；
4) water outlet by step 3) reaction returns to water inlet 6 by peristaltic pump, and COD reaches processing and wants in the waste water
It asks, stops reactor.
Using of the invention for handling three-stage device for catalyzing and oxidating ozone and its user of indegradable industrial effluent
Method has the following beneficial effects:
(1) the application's is reasonable in design, can be realized according to different waste water qualities except three-stage ozone oxidation, ozone are urged
Change outside oxidation and UV ozone oxidation coupled mode, can also be achieved three-stage ozone oxidation, three-stage catalytic ozonation, three sections
The integrated modes such as formula UV ozone oxidation are using three-stage ozone oxidation when hardly degraded organic substance content is lower in waste water
The qualified discharge of sewage can be achieved；It, cannot be complete using three-stage ozone oxidation when hardly degraded organic substance content is higher in waste water
Ozone oxidation, catalytic ozonation and UV ozone coupled mode can be used in degradable organic matter at this time.
(2) the application can also be constituted according to waste water water, organic matter and organic concentration adjusts each reaction zone catalyst
Type to meet the processing requirement of different quality water.
(3) the anaerobic sludge digestion liquid for being 1000-1400mg/L for COD concentration, utilizes three-stage catalytic ozonation
Device removes the hardly degraded organic substance in digestive juice, reacts 1h, and COD is down to 200-300mg/L, effectively removes difficult to degrade in waste water
Organic matter.
(4) landfill leachate for being 350-500mg/L for COD concentration, is gone using three-stage device for catalyzing and oxidating ozone
Except the hardly degraded organic substance in digestive juice, 1h is reacted, COD can be down to 100mg/L hereinafter, reaching discharge standard.
Detailed description of the invention
Attached drawing 1 is the structural representation of three-stage device for catalyzing and oxidating ozone of the present invention for handling indegradable industrial effluent
Figure.
Specific embodiment
With reference to the accompanying drawing 1 couple of present invention be used to handle indegradable industrial effluent three-stage device for catalyzing and oxidating ozone and
Its application method is described in detail.
It is a kind of for handling the three-stage device for catalyzing and oxidating ozone of indegradable industrial effluent, which includes reactor master
Body 1, wherein reactor body is provided with UV ozone oxidation area 2, catalytic ozonation area 3, ozone oxidation area 4 from top to bottom；
It is interconnected between each adjacent region in reactor body and is provided with supporting layer 5 and separate；The upper surface of each supporting layer is respectively provided with
There is catalyst；Water inlet 6 is connected in the ozone oxidation area of the reactor body；The UV ozone oxygen of the reactor body
Change and is connected with water outlet 7 and exhaust outlet 8 in area；The UV ozone oxidation area, catalytic ozonation area, ozone oxidation area are all provided with
It is equipped with the titanium aeration plate 9 for uniform gas distribution；It is provided in the UV ozone oxidation area for exciting ozone to generate hydroxyl certainly
By the ultraviolet lamp 10 of base.
Discharge outlet 11 is additionally provided in the ozone oxidation area；It is the UV ozone oxidation area, catalytic ozonation area, smelly
Titanium aeration plate is connected with gas flowmeter in oxygen zoneofoxidation；The gas flowmeter is to above-mentioned UV ozone oxidation area, smelly
The air inflow ratio of titanium aeration plate in oxygen catalysis oxidation area, ozone oxidation area are as follows: 1-1.5:2-3:2-3.
The device further includes automatic control system, and the automatic control system includes controller, first flow sensor,
Two flow sensors, third flow sensor, the first COD concentration sensor, the 2nd COD concentration sensor, the first ozone concentration
Sensor, the second ozone concentration sensor, third ozone concentration sensor；The first flow sensor, second flow sensing
Device, the first COD concentration sensor, the 2nd COD concentration sensor, the first ozone concentration sensor, the second concentration sensor, third
Concentration sensor is connect with controller data signal；
The first flow sensor is set on the water inlet pipe of the water inlet for intaking in real-time detection water inlet pipe
Signal is measured, and the inflow signal of real-time detection is sent to controller；
The second flow sensor is set on the outlet pipe of the water outlet for being discharged in real-time detection outlet pipe
Signal is measured, and the water yield signal of real-time detection is sent to controller；
The third flow sensor is set on the exhaust pipe of the exhaust outlet for being vented in real-time detection exhaust pipe
Signal is measured, and the capacity signal of real-time detection is sent to controller；
The first COD concentration sensor is set on the water inlet pipe of the water inlet in real-time detection water inlet pipe
COD concentration signal, and the COD concentration signal of real-time detection is sent to controller；
The 2nd COD concentration sensor is set on the outlet pipe of the water outlet in real-time detection outlet pipe
COD concentration signal, and the COD concentration signal of real-time detection is sent to controller；
First ozone concentration sensor is set in the ozone oxidation area in real-time detection ozone oxidation area
Ozone concentration signal, and the ozone concentration signal of real-time detection is sent to controller；
Second ozone concentration sensor is set in the catalytic ozonation area for real-time detection ozone catalytic
Ozone concentration signal in zoneofoxidation, and the ozone concentration signal of real-time detection is sent to controller；
The third ozone concentration sensor is set in the UV ozone oxidation area for real-time detection UV ozone
Ozone concentration signal in zoneofoxidation, and the ozone concentration signal of real-time detection is sent to controller；
The controller is dense by COD in received real-time inflow signal, water yield signal, capacity signal, water inlet pipe
Spend signal, COD concentration signal in outlet pipe, ozone concentration signal in ozone oxidation area, ozone concentration in UV ozone oxidation area
Ozone concentration signal is stored in the memory being connected with controller after data conversion in signal, UV ozone oxidation area,
And it is compared with respective threshold preset in memory, and comparison result is also stored in memory.
First flow regulating valve is provided in the water inlet pipe；
Second flow regulating valve is provided in the outlet pipe；
Third flow control valve is provided in the exhaust pipe；
The first ozone concentration regulating valve is provided in the ozone oxidation area；
The second ozone concentration regulating valve is provided in the catalytic ozonation area；
Third ozone concentration regulating valve is provided in the UV ozone oxidation area；
The controller respectively with first flow regulating valve, second flow regulating valve, third flow control valve, the first ozone
Concentration regulating valve, the second ozone concentration regulating valve, the control connection of third ozone concentration regulating valve；
The controller is according to knot of the COD concentration value compared with preset respective threshold in real-time water inlet magnitude, water inlet pipe
Water inlet/water yield of fruit control first flow regulating valve；
The controller is according to knot of the COD concentration value compared with preset respective threshold in real-time water outlet magnitude, outlet pipe
Water inlet/water yield of fruit control second flow regulating valve；
The controller is adjusted according to real-time ventilation magnitude and preset respective threshold comparison result control third flow
The capacity of valve；
The controller is according to ozone concentration value in real-time ozone oxidation area and preset respective threshold comparison result control
It makes the first ozone concentration and adjusts valve regulation ozone concentration；
The controller is according to knot of the ozone concentration value compared with preset respective threshold in real-time catalytic ozonation area
Fruit controls the second ozone concentration and adjusts valve regulation ozone concentration；
The controller is according to knot of the ozone concentration value compared with preset respective threshold in real-time UV ozone oxidation area
Fruit controls third ozone concentration and adjusts valve regulation ozone concentration.
The automatic control system further includes the display and wireless transceiver being connected with controller；The display is used
In showing that real-time inflow signal value after data conversion, water yield signal value, capacity signal value, COD is dense in water inlet pipe
Spend signal value, COD concentration signal value in outlet pipe, ozone concentration signal value in ozone oxidation area, smelly in UV ozone oxidation area
Ozone concentration signal value in oxygen concentration signal value, UV ozone oxidation area；
The wireless transceiver is connected by wireless network and Cloud Server wireless communication；The Cloud Server passes through wireless
Network is connected with remote monitoring center or intelligent mobile terminal, and by real-time inflow signal value, water yield signal value, row
COD concentration signal value in tolerance signal value, water inlet pipe, COD concentration signal value in outlet pipe, ozone concentration letter in ozone oxidation area
Ozone concentration signal value in number value, UV ozone oxidation area ozone concentration signal value and compares in UV ozone oxidation area
As a result it is sent to remote monitoring center or intelligent mobile terminal together.
The automatic control system further includes the pH concentration sensor connecting with controller data signal, and the pH concentration passes
Sensor is set to for the pH signal value in real-time detection water inlet pipe in water inlet pipe, and the pH signal value of real-time detection is sent to
Controller, the controller by the real-time pH signal value received stored after data conversion with memory in, the memory
In be also preset with pH concentration threshold, real-time pH value is compared by the controller with preset pH concentration threshold, according to comparing
Result adjust water inlet pipe in acid-base modifier.
The acid-base modifier includes compound alkali and polyacrylamide.
The supporting layer is the porous plectane of stainless steel, and diameter 700-800mm is equal on the supporting layer with a thickness of 3-5mm
The even hole being disposed with for support catalyst and water distribution gas distribution, the hole diameter are 2-5mm；The catalyst is active oxidation
The spheric granules and area load of the diameter 3-5mm of aluminium or active carbon, the activated alumina or active carbon has smelly for being catalyzed
The metal-based catalysts such as the metal oxide or metal hydroxides of oxygen oxidation；The aeration head of the titanium aeration plate is hemispheric
Aerator, the diameter of hemisphere are 55mm, and each aeration head respectively connects a gas flowmeter, for adjusting three reactions
The ozone flow in area, according to the different gas flow of water quality adjustment；The power of the ultraviolet lamp is 75W, when the irradiation of ultraviolet lamp
Between be 1h.
The present invention is above-mentioned for handling the application method packet of the three-stage device for catalyzing and oxidating ozone of indegradable industrial effluent
Include following steps: 1) pH value in adjusting indegradable industrial effluent, inflow, and be delivered to industrial wastewater instead by water inlet pipe
Answer the ozone oxidation area of device main body；The ozone concentration for adjusting ozone oxidation area, by long chain organic compound difficult to degrade, polycyclic virtue
Hydrocarbon, organic chloride decompose, and form organic matter, the aldehyde material of short chain；
2) waste water after ozone Oxidation Treatment in step 1) enters catalytic ozonation area progress catalytic ozonation
Reaction adjusts the ozone concentration in catalytic ozonation area, the hydroxyl generated in the catalytic ozonation area using ozone catalytic
Short chain organic matter, the aldehyde material that the further ozone oxidation of free radical is formed, generate the formic acid, carboxylic acid, carbon dioxide of small molecule
And water；
3) by catalytic ozonation in step 2), treated that waste water enters UV ozone oxidation area, in UV ozone oxygen
Change in area, ozone passes through ultraviolet excitation, to further oxidation processes are discharged, improves the utilization rate of ozone, guarantees that water outlet can
Stably reaching standard；
4) water outlet by step 3) reaction returns to water inlet 6 by peristaltic pump, and COD reaches processing and wants in the waste water
It asks, stops reactor.
Application method of the invention is described in detail by taking specific two embodiments as an example below.
Embodiment 1:
The anaerobic sludge digestion liquid of certain sewage treatment plant is left having for difficult for biological degradation after Anammox removes ammonia nitrogen
Machine object.Directly it is exceeded to will cause water factory's water outlet for the water inlet of return water factory.Using the water as raw water, urged using three-stage ozone of the invention
Change oxidation unit to handle it.
Raw water COD is in 1000-1400mg/L, and ammonia nitrogen concentration 50-80mg/L, BOD5 80-100mg/L, B/C is lower,
Biodegradability is poor.Anaerobic sludge digestion liquid is handled using three-stage device for catalyzing and oxidating ozone described in Fig. 1.It is utilized respectively smelly
Hardly degraded organic substance in oxygen oxidation, catalytic ozonation and UV ozone oxidation removal sewage.Inlet flow-patterm is adjusted to 9.0 or so,
Adjusting ozone concentration is 80mg/L, and catalyst filling rate is 20%, and ultraviolet lamp power is 75W, reaction time 1h.After having reacted
Water outlet COD is down to 200-300mg/L, can return to water factory's water inlet, and it is exceeded not will cause water factory's water outlet.
Embodiment 2:
The landfill leachate of certain Refuse Leachate Treatment Plant is after anaerobic digestion, Anammox, coagulating treatment, ammonia nitrogen drop
To 25mg/L, for COD concentration in 350-500mg/L, biodegradability is poor.
Using the landfill leachate after coagulation as raw water, handled using three-stage device for catalyzing and oxidating ozone described in Fig. 1.
It is utilized respectively ozone oxidation, catalytic ozonation and UV ozone oxidation and removes hardly degraded organic substance in sewage.Inlet flow-patterm is adjusted
To 8.5 or so, adjusting ozone concentration is 60mg/L, and catalyst filling rate is 20%, and ultraviolet lamp power is 75W, and the reaction time is
1h.After having reacted, water outlet COD is down to 100mg/L hereinafter, reaching discharge standard.
Can be seen that by above-mentioned two embodiment can be effective using three-stage device for catalyzing and oxidating ozone of the invention
The utilization rate of ozone is improved, and ensures that COD concentration can achieve the desired results in water outlet, can meet actual motion needs.
This hair can be understood and applied the above description of the embodiments is intended to facilitate those skilled in the art
It is bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to implementations here
Example, those skilled in the art's announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be
Within protection scope of the present invention.
Claims (9)
1. a kind of for handling the three-stage device for catalyzing and oxidating ozone of indegradable industrial effluent, it is characterised in that: the device packet
Include reactor body (1), wherein reactor body is provided with UV ozone oxidation area (2), catalytic ozonation area from top to bottom
(3), ozone oxidation area (4)；It is interconnected between each adjacent region in reactor body and is provided with supporting layer (5) and separate；Often
The upper surface of a supporting layer is provided with catalyst；Water inlet (6) are connected in the ozone oxidation area of the reactor body；It is described
Water outlet (7) and exhaust outlet (8) are connected in the UV ozone oxidation area of reactor body；It is the UV ozone oxidation area, smelly
Oxygen catalysis oxidation area, ozone oxidation area are provided with the titanium aeration plate (9) for uniform gas distribution；In the UV ozone oxidation area
It is provided with the ultraviolet lamp (10) for exciting ozone to generate hydroxyl radical free radical.
2. it is according to claim 1 for handling the three-stage device for catalyzing and oxidating ozone of indegradable industrial effluent, it is special
Sign is: discharge outlet (11) are additionally provided in the ozone oxidation area；The UV ozone oxidation area, catalytic ozonation area,
Titanium aeration plate is connected with gas flowmeter in ozone oxidation area；The gas flowmeter to above-mentioned UV ozone oxidation area,
The air inflow ratio of titanium aeration plate in catalytic ozonation area, ozone oxidation area are as follows: 1-1.5:2-3:2-3.
3. it is according to claim 1 for handling the three-stage device for catalyzing and oxidating ozone of indegradable industrial effluent, it is special
Sign is: the device further includes automatic control system, and the automatic control system includes controller, first flow sensor,
Two flow sensors, third flow sensor, the first COD concentration sensor, the 2nd COD concentration sensor, the first ozone concentration
Sensor, the second ozone concentration sensor, third ozone concentration sensor；The first flow sensor, second flow sensing
Device, the first COD concentration sensor, the 2nd COD concentration sensor, the first ozone concentration sensor, the second concentration sensor, third
Concentration sensor is connect with controller data signal；The first flow sensor is set on the water inlet pipe of the water inlet
Controller is sent to for inflow signal in real-time detection water inlet pipe, and by the inflow signal of real-time detection；Described second
Flow sensor is set on the outlet pipe of the water outlet for water yield signal in real-time detection outlet pipe, and will be examined in real time
The water yield signal of survey is sent to controller；The third flow sensor is set on the exhaust pipe of the exhaust outlet for real
When detection exhaust pipe in capacity signal, and the capacity signal of real-time detection is sent to controller；The first COD concentration
Sensor is set on the water inlet pipe of the water inlet for COD concentration signal in real-time detection water inlet pipe, and by real-time detection
COD concentration signal be sent to controller；The 2nd COD concentration sensor is set on the outlet pipe of the water outlet and is used for
COD concentration signal in real-time detection outlet pipe, and the COD concentration signal of real-time detection is sent to controller；Described first is smelly
Oxygen concentration sensor is set in the ozone oxidation area for ozone concentration signal in real-time detection ozone oxidation area, and will be real
When the ozone concentration signal that detects be sent to controller；Second ozone concentration sensor is set to the catalytic ozonation
For ozone concentration signal in real-time detection catalytic ozonation area in area, and the ozone concentration signal of real-time detection is sent to
Controller；The third ozone concentration sensor is set in the UV ozone oxidation area for real-time detection UV ozone oxygen
Change ozone concentration signal in area, and the ozone concentration signal of real-time detection is sent to controller；The controller will be received
Real-time inflow signal, water yield signal, capacity signal, COD concentration signal in water inlet pipe, COD concentration signal in outlet pipe,
Ozone concentration signal in ozone oxidation area, ozone concentration signal in UV ozone oxidation area, ozone is dense in UV ozone oxidation area
Degree signal be stored in after data conversion in the memory being connected with controller, and with respective threshold preset in memory into
Row compares, and comparison result is also stored in memory.
4. it is according to claim 3 for handling the three-stage device for catalyzing and oxidating ozone of indegradable industrial effluent, it is special
Sign is: first flow regulating valve is provided in the water inlet pipe；Second flow regulating valve is provided in the outlet pipe；It is described
Third flow control valve is provided in exhaust pipe；The first ozone concentration regulating valve is provided in the ozone oxidation area；It is described smelly
The second ozone concentration regulating valve is provided in oxygen catalysis oxidation area；Third ozone concentration is provided in the UV ozone oxidation area
Regulating valve；The controller respectively with first flow regulating valve, second flow regulating valve, third flow control valve, the first ozone
Concentration regulating valve, the second ozone concentration regulating valve, the control connection of third ozone concentration regulating valve；The controller according in real time into
In water value, water inlet pipe COD concentration value and preset respective threshold comparison result control first flow regulating valve water inlet/go out
Water；The controller is according to COD concentration value and preset respective threshold comparison result control in real-time water outlet magnitude, outlet pipe
Water inlet/water yield of second flow regulating valve processed；The controller is according to real-time ventilation magnitude compared with preset respective threshold
Result control third flow control valve capacity；The controller is according to ozone concentration value in real-time ozone oxidation area and in advance
If respective threshold comparison result control the first ozone concentration adjust valve regulation ozone concentration；The controller is according to smelly in real time
Ozone concentration value and preset respective threshold comparison result control the second ozone concentration and adjust valve regulation in oxygen catalysis oxidation area
Ozone concentration；The controller is according to knot of the ozone concentration value compared with preset respective threshold in real-time UV ozone oxidation area
Fruit controls third ozone concentration and adjusts valve regulation ozone concentration.
5. it is according to claim 4 for handling the three-stage device for catalyzing and oxidating ozone of indegradable industrial effluent, it is special
Sign is: the automatic control system further includes the display and wireless transceiver being connected with controller；The display is used
In showing that real-time inflow signal value after data conversion, water yield signal value, capacity signal value, COD is dense in water inlet pipe
Spend signal value, COD concentration signal value in outlet pipe, ozone concentration signal value in ozone oxidation area, smelly in UV ozone oxidation area
Ozone concentration signal value in oxygen concentration signal value, UV ozone oxidation area；The wireless transceiver is taken by wireless network and cloud
Device wireless communication of being engaged in connects；The Cloud Server is connected by wireless network with remote monitoring center or intelligent mobile terminal
It connects, and by COD concentration signal value in real-time inflow signal value, water yield signal value, capacity signal value, water inlet pipe, water outlet
COD concentration signal value in pipe, ozone concentration signal value in ozone oxidation area, ozone concentration signal value in UV ozone oxidation area,
Ozone concentration signal value and comparison result are sent to remote monitoring center or intelligent sliding together in UV ozone oxidation area
Dynamic terminal.
6. it is according to claim 5 for handling the three-stage device for catalyzing and oxidating ozone of indegradable industrial effluent, it is special
Sign is: the automatic control system further includes the pH concentration sensor connecting with controller data signal, and the pH concentration passes
Sensor is set to for the pH signal value in real-time detection water inlet pipe in water inlet pipe, and the pH signal value of real-time detection is sent to
Controller, the controller by the real-time pH signal value received stored after data conversion with memory in, the memory
In be also preset with pH concentration threshold, real-time pH value is compared by the controller with preset pH concentration threshold, according to comparing
Result adjust water inlet pipe in acid-base modifier.
7. it is according to claim 6 for handling the three-stage device for catalyzing and oxidating ozone of indegradable industrial effluent, it is special
Sign is: the acid-base modifier includes compound alkali and polyacrylamide.
8. it is according to claim 1 for handling the three-stage device for catalyzing and oxidating ozone of indegradable industrial effluent, it is special
Sign is: the supporting layer is the porous plectane of stainless steel, and diameter 700-800mm is equal on the supporting layer with a thickness of 3-5mm
The even hole being disposed with for support catalyst and water distribution gas distribution, the hole diameter are 2-5mm；The catalyst is active oxidation
The spheric granules and area load of the diameter 3-5mm of aluminium or active carbon, the activated alumina or active carbon has smelly for being catalyzed
The metal-based catalysts such as the metal oxide or metal hydroxides of oxygen oxidation；The aeration head of the titanium aeration plate is hemispheric
Aerator, the diameter of hemisphere are 55mm, and each aeration head respectively connects a gas flowmeter, for adjusting three reactions
The ozone flow in area, according to the different gas flow of water quality adjustment；The power of the ultraviolet lamp is 75W, when the irradiation of ultraviolet lamp
Between be 1h.
9. a kind of urge described in any one of -8 for handling the three-stage ozone of indegradable industrial effluent according to claim 1
Change the application method of oxidation unit, which is characterized in that the application method includes the following steps:
1) pH value in adjusting indegradable industrial effluent, inflow, and industrial wastewater is delivered to by reactor master by water inlet pipe
The ozone oxidation area of body；The ozone concentration for adjusting ozone oxidation area, by long chain organic compound difficult to degrade, polycyclic aromatic hydrocarbon, has
Machine chloride decomposes, and forms organic matter, the aldehyde material of short chain；
2) waste water after ozone Oxidation Treatment in step 1) enters the progress catalytic ozonation reaction of catalytic ozonation area,
The ozone concentration for adjusting catalytic ozonation area, the hydroxyl radical free radical generated in the catalytic ozonation area using ozone catalytic
Short chain organic matter, the aldehyde material that further ozone oxidation is formed, generate formic acid, carboxylic acid, carbon dioxide and the water of small molecule；
3) by catalytic ozonation in step 2), treated that waste water enters UV ozone oxidation area, in UV ozone oxidation area
In, ozone passes through ultraviolet excitation, to further oxidation processes are discharged, improves the utilization rate of ozone, guarantees that water outlet can stablize
It is up to standard；
4) water outlet by step 3) reaction returns to water inlet (6) by peristaltic pump, until COD reaches processing requirement in waste water,
Stop reactor.
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| CN201811531011.7A CN109502865A (en) | 2018-12-14 | 2018-12-14 | It is a kind of for handling the three-stage device for catalyzing and oxidating ozone and its application method of indegradable industrial effluent |
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| CN201811531011.7A CN109502865A (en) | 2018-12-14 | 2018-12-14 | It is a kind of for handling the three-stage device for catalyzing and oxidating ozone and its application method of indegradable industrial effluent |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110040814A (en) * | 2019-05-20 | 2019-07-23 | 佛山柯维光电股份有限公司 | Ultra-violet oxidation process for purifying water and device |
| CN110845057A (en) * | 2019-12-24 | 2020-02-28 | 北京城市排水集团有限责任公司 | Electrochemical coupling ozone micro-nano bubble treatment system and wastewater treatment method |
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| CN106746034A (en) * | 2017-03-01 | 2017-05-31 | 南京大学盐城环保技术与工程研究院 | A kind of device and method of two-stage gradient ozone catalytic fluidized bed deep treatment biochemical tail water |
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| JPH09150166A (en) * | 1995-11-30 | 1997-06-10 | Meidensha Corp | Ozone treating device |
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