CN107055678A - A kind of triphase catalytic oxidation sewage water treatment method and reactor - Google Patents
A kind of triphase catalytic oxidation sewage water treatment method and reactor Download PDFInfo
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- CN107055678A CN107055678A CN201710283765.4A CN201710283765A CN107055678A CN 107055678 A CN107055678 A CN 107055678A CN 201710283765 A CN201710283765 A CN 201710283765A CN 107055678 A CN107055678 A CN 107055678A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 73
- 239000010865 sewage Substances 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 17
- 230000003647 oxidation Effects 0.000 title claims abstract description 14
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 49
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000011949 solid catalyst Substances 0.000 claims abstract description 23
- 239000007787 solid Substances 0.000 claims abstract description 10
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 238000003672 processing method Methods 0.000 claims 4
- 230000014759 maintenance of location Effects 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 43
- 239000007789 gas Substances 0.000 abstract description 19
- 239000003054 catalyst Substances 0.000 abstract description 17
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract description 8
- 239000007788 liquid Substances 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 239000008187 granular material Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 239000007800 oxidant agent Substances 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- -1 hydroxyl radical free radical Chemical class 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 241000700605 Viruses Species 0.000 description 2
- 150000001721 carbon Chemical class 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 230000037361 pathway Effects 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 206010067868 Skin mass Diseases 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 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
- 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
- C02F1/72—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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/32—Details relating to UV-irradiation devices
- C02F2201/322—Lamp arrangement
- C02F2201/3227—Units with two or more lamps
Abstract
The present invention provides a kind of triphase catalytic oxidation sewage water treatment method and reactor, ozone is added into treatment sewage, under ultraviolet irradiation condition, treatment sewage contacts with solid catalyst and drives it to be reacted in the case where attachment microbubble buoyancy and central tube enter aqueous flowing common action to fluidize state form in motion upwards, ozone is consumed by organic pollution, solid catalyst is settled, and biorefractory organic is efficiently removed.Water conservancy diversion reaction tube is provided with reactor, it is not exclusively contacted with housing bottom and its height is less than body height, and housing cavity is interior to be provided with multiple ultraviolet generators on the outside of water conservancy diversion reaction tube.By the present invention in that containing the molten gas sewage of a large amount of ozone microbubbles with the molten gas formation of ozone, molten gas sewage is with being loaded with TiO2Deng the activated charcoal solid catalyst haptoreaction of catalyst component, it is aided with ultraviolet light catalysis, realizes the fully contact simultaneously of solid, liquid, gas three-phase, improve efficiency.
Description
Technical field
The invention belongs to technical field of sewage, and in particular to a kind of triphase catalytic oxidation sewage water treatment method and be based on
The reactor of the method.
Background technology
Ozone is a kind of strong oxidizer, can be Organic substance in water and reducing inorganic thing oxidation Decomposition, while utilizing biology
Chemical oxidation reaction kills bacterium and virus, but simple its decomposition poisonous and harmful substance with ozone is limited in one's ability, is particularly those
The macromolecular of complexity, cyclic structure pollutant.Old friends usually introduce such as TiO containing transition-metals and their oxides2Ozone oxygen
Change catalyst to accelerate reaction, can be pollutant oxidation Decomposition into CO2、H2The nontoxic material such as O.
But current prior art, treatment with ultraviolet light technique and the ozone generator stage of reaction be separate, enters step by step
OK, although catalyst unit has been used in some processes, but catalyst unit involves great expense.And existing equipment is by participation reactant
States of matter limit value, three-phase can not synchronously be produced or can not fully contacted, and reaction efficiency is low, causes oxidant to waste, that is, improves
Handling process cost causes a large amount of residual oxidizing agents to discharge again, causes secondary pollution.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the invention to provide a kind of triphase catalytic oxidation sewage disposal side
Method and reactor, three-phase are fully contacted, efficient process polluted-water.
In order to solve the above-mentioned technical problem, the present invention, which is adopted the following technical scheme that, is achieved：
A kind of triphase catalytic oxidation sewage water treatment method, comprises the following steps,
Ozone is passed through into treatment sewage, ozone microbubble is formed,
Under ultraviolet irradiation condition, the treatment sewage containing ozone microbubble is contacted with solid catalyst, and drives solid
Catalyst is recycled, while treatment sewage is discharged after processing.
It is anti-in motion generation upwards to fluidize state form that treatment sewage containing ozone microbubble drives solid catalyst
Ying Hou, solid catalyst settling circulation is used.
Treatment sewage containing ozone microbubble is contacted with 1.5m/h-3m/h flow line speed of crossing with solid catalyst.
It is passed through into treatment sewage after ozone, effective ozone amount is 2.5-4 times for the treatment of sewage COD value in sewage.
Treatment sewage is contacted with solid catalyst, and hydraulic detention time is not less than 40min.
The present invention also provides a kind of reactor, includes the housing of column, lower housing portion is provided with water inlet, and housing upper is set
Delivery port is equipped with, housing cavity is provided with the water conservancy diversion reaction tube of a column, and its underpart opening is corresponding with water inlet, water conservancy diversion reaction
Cylinder is not exclusively contacted with housing bottom and the height of water conservancy diversion reaction tube is less than body height, and the interior intracavitary of housing is reacted around water conservancy diversion
Cylinder outside is provided with multiple ultraviolet generators.
The case top is machined with relief hole.
The ultraviolet generator includes ultraviolet lamp tube.It is preferred that, the luminescence-utraviolet wavelength of the ultraviolet generator includes
254nm or 365nm.
Further, the height of the central reaction cylinder is the 1/3 of body height, water conservancy diversion reaction tube external diameter and housing outer diameter ratio
It is worth for 1:6, water conservancy diversion reaction tube external diameter is 2 with water inlet external diameter ratio:1.
The water inlet and water outlet of the housing are provided with stainless steel plate.The stainless steel plate thickness is 1mm,
Opening diameter is 1mm, and perforate center spacing is 3mm.
The present invention compared with prior art, has the following technical effect that：
1st, by the present invention in that containing the molten gas sewage of a large amount of ozone microbubbles with the molten gas formation of ozone, molten gas sewage is with carrying
There is TiO2Deng the activated charcoal solid catalyst haptoreaction of catalyst component, it is aided with ultraviolet light catalysis, realizes solid, liquid, gas three
Fully contacted when identical, improve efficiency.
2nd, solid catalyst activity carbon particle of the invention is entered aqueous stream and made jointly in attachment microbubble buoyancy and central tube
Under with fluidize state form in upwards motion react after, solid catalyst sedimentation, water conservancy diversion reaction tube effect under can be real
Existing short distance circulating contact catalysis, while treatment sewage is discharged after processing, reaches the mesh for removing biorefractory organic in sewage
's.
3rd, reactor of the invention is particularly suitable for use in low suspension, low BOD, high chemical oxygen consumption (COC) sewage, processing
Efficiency high, oxidant using fully, without manually add medicament, automaticity it is high, without waste residue sludge, do not result in secondary dirt
Dye.
4th, the present invention can as hardly possible biochemical waste water final process method, can act also as the advanced oxidation of other handling process
Unit is used.
5th, the water after present invention processing can mix with raw sewage again carries out circular treatment, COD clearances up to 80.39% or
Higher (by further improving ozone amount and extension hydraulic detention time).
Brief description of the drawings
Fig. 1 is reactor schematic diagram of the present invention.
The implication of each label is in Fig. 1：
II is to be loaded with catalyst TiO2Activated carbon granule circulation catalytic pathway；
1-housing, 2-water inlet, 3-delivery port, 4-water conservancy diversion reaction tube, 5-ultraviolet generator, 6-relief hole, 7-
Stainless steel plate.
Explanation is further explained in detail to the particular content of the present invention below in conjunction with accompanying drawing.
Embodiment
Specific embodiment of the invention given below is, it is necessary to which explanation is that the invention is not limited in implement in detail below
Example, all equivalents done on the basis of technical scheme each fall within protection scope of the present invention.
Photocatalyst principle is ultraviolet oxidation catalyst such as TiO2It is activated under the irradiation of ultraviolet light, works as energy
Light wave (hv) radiation TiO of the amount more than or equal to semiconductor band-gap energy2When, TiO2Electron absorption luminous energy (hv) in valence band (VB)
After be excited on conduction band (CB), make to produce excitation state electronics (e-) on conduction band, and produced in valence band (VB) positively charged
Hole (h+).E- is with absorption in TiO2O on particle surface2Generation reduction reaction, generates O2 -, O2 -With H+Further reaction generation
H2O2, and h+With H2O、OH-Occur the hydroxyl radical free radical (OH) that oxidation reaction generates high activity, H2O2, hydroxyl radical free radical (
OH) absorption in TiO2Organic pollutant degradation on surface is CO2、H2O etc., is oxidized to poisonous and hazardous pollutant harmless
Thing, and kill bacterial virus.
Activated carbon pore is flourishing, and with big specific surface area and heat endurance, therefore be excellent catalyst carrier.Pass through
The medium method of the aqueous solution that activated carbon is immersed in into metal salt can make catalyst loading thereon, in order to make dispersed use surface
Oxidized activated carbon, by ultraviolet light and ozone simultaneously for sewage disposal, and use the activity for being loaded with transition metal oxide
Charcoal is catalyzed, and can greatly improve the treatment effect of sewage.
Solid, liquid, gas three-phase of the present invention is sufficiently mixed with fluidized state in reactor, and solid catalyst can be attached to can
On the solid particle for forming fluidized state, and oxidant haptoreaction, solid particle can be fibrous nodules, activated carbon, float stone etc.,
Above material is not limited to, catalyst can be chosen according to pollutant difference is attached in sewage in addition to COD, can select Al2O3、MnO2、
TiO2、CeO2Deng, above material is not limited to, the solid particle of catalyst is attached with, by the buoyancy and intake pressure of microbubble,
Can be formed in reactor in the fluidisation state that rises upwards, and be catalyzed light source can uniform irradiation in the solid for being attached with catalyst
On particle.
It is activated carbon rising area as reaction is carried out, in water conservancy diversion reaction tube, activated carbon sedimentation is formed at water conservancy diversion reaction tube top
Decline area for activated carbon on the outside of area, water conservancy diversion reaction tube, the II marked in the short distance circulation of solid catalyst, such as Fig. 1 is realized accordingly
Circulate catalytic pathway.
It is 1.5-3 meters per hour that flow line speed is crossed in reactor, and such as excessive lift of air dissolved pump flow is too high, can pass through backflow
The molten gas sewage control reactor inlet lift in part is to 3-5 meters (pressure 30-50kPa).The present invention experiments verify that, for relatively low
The difficult biochemical organic wastewater of concentration, (with the molten gas of air dissolved pump mode, 75%) molten gas efficiency be usually about COD numerical value for effective ozone amount
Removal COD effects are good at 2.5-4 times, and ozone utilization rate is higher, and residue ozone is less in tail gas.
Embodiment 1：
Above-mentioned technical proposal is deferred to, as shown in figure 1, the present embodiment provides a kind of triphase catalytic oxidation sewage water treatment method：
Ozone microbubble is added first into treatment sewage, can use molten gas equipment that ozone is dissolved in treatment sewage, and
Microbubble is discharged in reaction vessel, it can be air dissolved pump, pressure air-dissolving filling etc. to hold gas equipment, be not limited to the molten gas side of the above
Formula；
While using ultraviolet light solid catalyst, treatment sewage is contacted with solid catalyst, and drives solid
Catalyst is reacted with fluidizing state form in motion upwards, solid catalyst sedimentation, ozone microbubble or consumption or rupture,
Or be attached on catalysed particulate or discharge, after treatment sewage is reacted, biorefractory organic is efficiently removed.After testing, make
With this method, COD clearances are up to 80.39%.
Embodiment 2：
The present embodiment provides a kind of reactor, includes the housing 1 of column, the bottom of housing 1 is provided with water inlet 2, housing 1
Portion is provided with the water conservancy diversion reaction tube 4 that a column is provided with delivery port 3, the axis of the inner chamber of housing 1, and water conservancy diversion reaction tube 4 is not
Contacted completely with the bottom of housing 1 and the height of water conservancy diversion reaction tube 4 is less than the height of housing 1, the interior intracavitary of housing 1 is reacted around water conservancy diversion
The outside of cylinder 4 is provided with multiple ultraviolet generators 5, promotes advanced oxidation to react using ultraviolet catalytic oxidation agent.Examined in safety
Consider, the top of housing 1 is machined with relief hole 6.
Ultraviolet generator 5 include ultraviolet lamp tube or industrial ultraviolet pipe, the ultraviolet emission wavelength of generator 5 include 254nm or
365nm, it is especially good with the treatment with ultraviolet light effect of both wavelength, it also the combination of multi-wavelength ultraviolet light can be used to improve oxidation reaction effect
Rate.
The height of water conservancy diversion reaction tube 4 is the 1/3 of the height of housing 1, and the external diameter of water conservancy diversion reaction tube 4 is 1 with the external diameter ratio of housing 1:
6, certain activated carbon decanting zone is reserved with, the external diameter of water conservancy diversion reaction tube 4 is 2 with the external diameter ratio of water inlet 2:1, it is ensured that three-phase is abundant
Time of contact.
Stainless steel plate 7 is provided with the water inlet 2 and delivery port 3 of housing 1, the thickness of stainless steel plate 7 is 1mm, is opened
Bore dia is 1mm, and perforate center spacing is 3mm, and the stainless steel plate 7 of water inlet 2 prevents activated carbon granule from blocking pipeline, water outlet
Mouth 3 sets stainless steel plates 7 to prevent the activated carbon granule not settled completely from escaping.
This reactor course of work is：
Waste water is passed through into simple filtration first, excessive suspension is removed, using in air dissolved pump lifting sewage to reactor
And complete with the molten gas process of oxidant-ozone, produce the sewage after microbubble, molten gas in reactor water conservancy diversion reaction tube 4 with
The activated carbon granule contact of catalyst is loaded with, microbubble is discharged and is attached to activated carbon granule surface, activated carbon granule is in attachment
Microbubble buoyancy and the water inlet of water conservancy diversion reaction tube 4 rise under liquid flowing common action, reactor upper strata are floated to, in the mistake floated upwards
Receive ultraviolet irradiation in journey, realize that photocatalysis, ozone and sewage fully react, reach the purpose for removing COD.Water conservancy diversion reaction tube
It is activated carbon rising area in 4, activated carbon decanting zone is formed at the top of water conservancy diversion reaction tube 4, and activated carbon granule is in the liquid stream of water conservancy diversion reaction tube 4
Under promotion, the bottom of water conservancy diversion reaction tube 4 is settled back on the outside of reactor, the outside of water conservancy diversion reaction tube 4 declines area for activated carbon.Leading
The top of reaction tube 4 is flowed, totally, solid catalyst separates sedimentation with sewage for ozone-depleting, and supernatant is to handle water outlet from water outlet
Mouth 3 is discharged.Reaction is run out of after ozone, completes catalyst recycling process with molten gas waste water again.
Compliance test result is carried out to the reactor of embodiment 2 below：
Comparative example 1：
This comparative example reactor diameter 600mm, excessively stream part clear height 1000mm, ozone generator gas production are 5g/h, purple
Outer line source is that 6 36W emission wavelengths are 365nm ultraviolet lamps；Treatment sewage crosses flow line speed, 20kPa with 1.1m/h's
Intake pressure enters reactor.
Treatment sewage 300L is taken, COD of sewage is 218.06, effective ozone amount is 500, and pH value is 7.58, is placed in water storage
In tank, pass through y-type filter (screen cloth) simple filtration；Sewage is with being loaded with TiO2Activated carbon granule contact, activated carbon granule exists
Adhere to microbubble buoyancy and central tube water inlet rises under liquid flowing common action, float to reactor upper strata, reaction runs out of ozone
Afterwards activated carbon granule water conservancy diversion reaction tube liquid stream promotion under, water conservancy diversion reaction tube bottom is settled back on the outside of reactor, again with
Molten gas waste water completes catalyst recycling process.
Sewage completes processing procedure after stopping 20min in whole reactor, as a result shows：It is 82.45, COD to produce water COD
Clearance is 62.19%.
Embodiment 3：
The present embodiment is different from comparative example 1：Ozone generator gas production is 10g/h, and effective ozone amount is 945, is treated
Processing sewage enters reactor with 1.5m/h cross flow line speed, 30kPa intake pressures.
Sewage, which is stopped in whole reaction process after 20min, enters production water tank, and production water COD is 73.12, COD clearances
For 66.47%.
Embodiment 4：
Enter air dissolved pump after the production water of embodiment 3 is mixed with raw sewage, when control sewage adds up to stop in reactor
Between reach 40min, final production water COD is that 42.78, COD clearances are 80.39%.
Comparative example 2：
This comparative example inside reactor does not have the path that catalyst is circulated, and accessing pending water enters after reactor, reaches certain
Time, other were same as Example 1 i.e. from the outflow of reactor top delivery port, and experiment is found, this system not circulated wants
Ensure certain hydraulic detention time so as to fully reaction, then accessing pending water is very low into the water velocity of reactor, this
The consequence of sample is that catalyst can not realize flow patterns, cannot also realize the gas-liquid-solid three-phase association reaction of the present invention, catalysis
Agent utilization rate is low, and reaction efficiency is low, completes processing procedure after sewage stops 40min in whole reactor, as a result shows：This
Comparative example COD clearances and the result of comparative example 1 of 20min residence times are essentially identical.
Claims (10)
1. a kind of triphase catalytic oxidation sewage water treatment method, it is characterised in that comprise the following steps,
Ozone is passed through into treatment sewage, ozone microbubble is formed,
Under ultraviolet irradiation condition, the treatment sewage containing ozone microbubble is contacted with solid catalyst, and drives solid catalysis
Agent is recycled, while treatment sewage is discharged after processing.
2. processing method as claimed in claim 1, it is characterised in that the treatment sewage containing ozone microbubble drives solid to urge
After agent is to fluidize state form in motion reacts upwards, solid catalyst settling circulation is used.
3. processing method as claimed in claim 1, it is characterised in that the treatment sewage containing ozone microbubble is with 1.5m/h-
3m/h flow line speed of crossing is contacted with solid catalyst.
4. processing method as claimed in claim 1, it is characterised in that be passed through into treatment sewage after ozone, in sewage effectively
Ozone amount is 2.5-4 times for the treatment of sewage COD value.
5. processing method as claimed in claim 1, it is characterised in that treatment sewage is contacted with solid catalyst, hydraulic retention
Time is not less than 40min.
6. a kind of reactor, includes the housing (1) of column, housing (1) bottom is provided with water inlet (2), and housing (1) top is set
There is delivery port (3), it is characterised in that housing (1) inner chamber is provided with the water conservancy diversion reaction tube (4) of the upper and lower opening of a column, leads
The lower openings for flowing reaction tube (4) are corresponding with water inlet (2), and water conservancy diversion reaction tube (4) is not exclusively contacted and led with housing (1) bottom
The height of reaction tube (4) is flowed less than housing (1) height, and the interior intracavitary of housing (1) is provided with many on the outside of water conservancy diversion reaction tube (4)
Individual ultraviolet generator (5).
7. reactor as claimed in claim 6, it is characterised in that be machined with relief hole (6) at the top of the housing (1).
8. reactor as claimed in claim 6, it is characterised in that the ultraviolet generator (5) includes ultraviolet lamp tube, emission wavelength
Including 254nm or 365nm.
9. reactor as claimed in claim 6, it is characterised in that the height of the water conservancy diversion reaction tube (4) is housing (1) height
1/3, water conservancy diversion reaction tube (4) external diameter is 1 with housing (1) external diameter ratio:6, water conservancy diversion reaction tube (4) external diameter and water inlet (2) external diameter
Ratio is 2:1.
10. reactor as claimed in claim 6, it is characterised in that the water inlet (2) of the housing (1) and delivery port (3) place are equal
Stainless steel plate (7) is provided with, stainless steel plate (7) thickness is 1mm, and opening diameter is 1mm, and perforate center spacing is
3mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710283765.4A CN107055678A (en) | 2017-04-26 | 2017-04-26 | A kind of triphase catalytic oxidation sewage water treatment method and reactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710283765.4A CN107055678A (en) | 2017-04-26 | 2017-04-26 | A kind of triphase catalytic oxidation sewage water treatment method and reactor |
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ID=59605073
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514562A (en) * | 2019-09-05 | 2019-11-29 | 青岛科技大学 | A kind of experimental provision for simulating particulate carbonate biogenesis and deposition process |
| CN113816541A (en) * | 2021-10-26 | 2021-12-21 | 中国石油化工股份有限公司 | Sewage treatment method and device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005334761A (en) * | 2004-05-26 | 2005-12-08 | Hitachi Zosen Corp | Method for treating water containing organic arsenic compound |
| CN1884125A (en) * | 2006-07-11 | 2006-12-27 | 浙江大学 | Device for treating organic wastewater by ozone and active carbon and method therefor |
| CN201079737Y (en) * | 2006-12-28 | 2008-07-02 | 武汉科技大学 | Three-phase internal circulation fluidized bed photocatalysis reactor |
| CN201762164U (en) * | 2010-08-26 | 2011-03-16 | 东北石油大学 | Suspension activated carbon photocatalysed ozone water processing unit |
| CN201890785U (en) * | 2010-11-03 | 2011-07-06 | 陕西天安环保科技有限公司 | Treatment device for carrying out photo catalytic oxidation on waste water by three-phase fluidized bed |
| CN103979666A (en) * | 2014-05-28 | 2014-08-13 | 南京麦得文环保科技有限公司 | Integrated ozone light-catalyzed reaction device |
| CN104843917A (en) * | 2015-03-24 | 2015-08-19 | 南京麦得文环保科技有限公司 | Device and method for purifying slightly-polluted waste water |
-
2017
- 2017-04-26 CN CN201710283765.4A patent/CN107055678A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005334761A (en) * | 2004-05-26 | 2005-12-08 | Hitachi Zosen Corp | Method for treating water containing organic arsenic compound |
| CN1884125A (en) * | 2006-07-11 | 2006-12-27 | 浙江大学 | Device for treating organic wastewater by ozone and active carbon and method therefor |
| CN201079737Y (en) * | 2006-12-28 | 2008-07-02 | 武汉科技大学 | Three-phase internal circulation fluidized bed photocatalysis reactor |
| CN201762164U (en) * | 2010-08-26 | 2011-03-16 | 东北石油大学 | Suspension activated carbon photocatalysed ozone water processing unit |
| CN201890785U (en) * | 2010-11-03 | 2011-07-06 | 陕西天安环保科技有限公司 | Treatment device for carrying out photo catalytic oxidation on waste water by three-phase fluidized bed |
| CN103979666A (en) * | 2014-05-28 | 2014-08-13 | 南京麦得文环保科技有限公司 | Integrated ozone light-catalyzed reaction device |
| CN104843917A (en) * | 2015-03-24 | 2015-08-19 | 南京麦得文环保科技有限公司 | Device and method for purifying slightly-polluted waste water |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514562A (en) * | 2019-09-05 | 2019-11-29 | 青岛科技大学 | A kind of experimental provision for simulating particulate carbonate biogenesis and deposition process |
| CN113816541A (en) * | 2021-10-26 | 2021-12-21 | 中国石油化工股份有限公司 | Sewage treatment method and device |
| CN113816541B (en) * | 2021-10-26 | 2022-07-19 | 中国石油化工股份有限公司 | Sewage treatment method and device |
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