CN107522256A - Efficiently remove photocatalysis Cyclonic reactor and its application of organic pollutants - Google Patents
Efficiently remove photocatalysis Cyclonic reactor and its application of organic pollutants Download PDFInfo
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- CN107522256A CN107522256A CN201710805219.2A CN201710805219A CN107522256A CN 107522256 A CN107522256 A CN 107522256A CN 201710805219 A CN201710805219 A CN 201710805219A CN 107522256 A CN107522256 A CN 107522256A
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- 230000001699 photocatalysis Effects 0.000 title claims abstract description 32
- 238000007146 photocatalysis Methods 0.000 title claims abstract description 31
- 239000002957 persistent organic pollutant Substances 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000003054 catalyst Substances 0.000 claims abstract description 42
- 239000012530 fluid Substances 0.000 claims abstract description 26
- 239000010865 sewage Substances 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 14
- 239000004115 Sodium Silicate Substances 0.000 claims description 11
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 11
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 11
- 238000011282 treatment Methods 0.000 claims description 9
- 230000002209 hydrophobic effect Effects 0.000 claims description 8
- 239000010453 quartz Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000011941 photocatalyst Substances 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 230000015556 catabolic process Effects 0.000 abstract description 4
- 238000006731 degradation reaction Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 238000007726 management method Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 235000012239 silicon dioxide Nutrition 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- -1 hydroxyl radical free radical Chemical class 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 239000002808 molecular sieve Substances 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 238000006303 photolysis reaction Methods 0.000 description 2
- 230000015843 photosynthesis, light reaction Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 239000003708 ampul Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011953 bioanalysis Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003933 environmental pollution control Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000010797 grey water Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 1
- 238000001782 photodegradation Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- ORVGYTXFUWTWDM-UHFFFAOYSA-N silicic acid;sodium Chemical compound [Na].O[Si](O)(O)O ORVGYTXFUWTWDM-UHFFFAOYSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
- 239000002351 wastewater Substances 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- 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
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Mechanical Engineering (AREA)
- Catalysts (AREA)
Abstract
The present invention discloses a kind of photocatalysis Cyclonic reactor for efficiently removing organic pollutants and its application, and the photocatalysis Cyclonic reactor includes reactor body, water inlet, delivery port；The reactor body includes outward turning fluid layer, catalyst layer, inward turning fluid layer, light source successively from outside to inside；The water inlet is connected with into outward turning fluid layer with reactor body in a tangential manner；The delivery port is connected with inward turning fluid layer.The photocatalysis Cyclonic reactor of the present invention not only has high treating effect, it is stable, can Automatic Control, the features such as convenient operation and management, and floor space is small, and equipment investment is few, effluent quality is good, the advantages of secondary pollution, automation regulation inflow etc. is not produced, may also reach up the purpose of energy-saving and emission-reduction.The present invention can improve the touch opportunity between each reactive material in water, extend hydraulic detention time, so as to effectively improve the efficiency of depth degradation organic pollutants.
Description
Technical field
The present invention relates to Water Environmental Pollution Control and protection, and in particular to a kind of light for efficiently removing organic pollutants
It is catalyzed Cyclonic reactor and its application.
Background technology
It is especially prominent in removal organic pollutants and sterilization etc. application based on the high-level oxidation technology of ultraviolet,
These techniques are come in fact often through extra hydroxyl radical free radical of catalyst (liquid, the solid) generation with Strong oxdiative ability is added
It is existing.But the existence form of the catalyst in reaction water body, hydrodynamics and effectively reactor design all can be to degrading in water
Condition produces strong influence, and deals with improperly and can also increase operating cost and process.
In the past few decades, the photocatalysis oxidation method based on ultraviolet has been obtained for extensively in terms of sewage disposal
Concern.Catalyst produces a large amount of light induced electrons and photohole under the irradiation of 254nm ultraviolet lights on its conduction band and valence band,
These light induced electrons and hole can be with free migrations with certain energy, can and suction when they move to catalyst surface
The chemical substance for being attached to catalyst surface chemically reacts, and produces substantial amounts of high mars free radical (OH) and and organic matter
Between the effects such as hydroxyl adduction, substitution, electronics transfer occur by organic compound all or close to whole mineralisings.And VUV
Line refers to ultraviolet of the wavelength between 100~200nm, and it can be directly produced with Strong oxdiative ability by photocatalytic water
Hydroxyl radical free radical.The low pressure mercury lamp for producing ozone is also a kind of common vacuum ultraviolet light source, and it can launch wavelength simultaneously and is
185nm and 254nm ultraviolet.When the oxygen absorption in water after the ultraviolet light of 185nm wavelength, can excitation oxygen molecule produce
The stronger ozone of oxidability, can be with depth degradation organic pollution by it.In addition, when hydrogen peroxide is added into water, it
Also ultraviolet light can be absorbed and cracked and produce the hydroxyl radical free radical more stronger than ozone ability.
Sewage makes water quality to do reclaimed water use after reaching a certain degree through advanced treating.Reclaimed water is that people are living
With used gray water in production and dirty (useless) water of life through regeneration treatment, as floor cleaning, water flowers, carwash, sky
Cooling, toilet flushing, fire-fighting etc. is adjusted not use water with direct body contact.This can not only effectively alleviate city water resource shortage
Pressure, but also disposal of pollutants can be reduced, save the energy, there is obvious economic benefit, social benefit and environmental benefit,
To Resources for construction economizing type and friendly environment society, the target of energy-saving and emission-reduction is smoothly completed, realizes economic society sustainable development
Exhibition and harmony between man and nature development are of great immediate significance.Photocatalysis oxidation method is in processing organism in water difficult degradation thing
When matter, oily matter and poisonous and hazardous polluter many advantages are shown than traditional bioanalysis.But light is anti-
Answer the existing way of catalyst in device, touch opportunity and hydraulic detention time in water between each reactive material etc. are all for many years
To perplex the main bugbear of photocatalysis researchers.
The content of the invention
Goal of the invention：The problem of existing for prior art, the present invention provide a kind of efficiently removal organic pollutants
Photocatalysis Cyclonic reactor；The reactor overcomes biochemical processing process flow complexity in the prior art, long processing period, pipe
Reason safeguards inconvenience, and operational efficiency is low, and gross investment is larger, it is impossible to effectively meets the deficiency of current depth handling process, there is provided one
Kind is removable, modularization, does not produce the device of the efficient removal organic pollutants of secondary pollution.
Technical scheme：To achieve these goals, it is a kind of as described in the present invention efficiently to remove organic pollutants
Photocatalysis Cyclonic reactor, including reactor body, water inlet, delivery port；The reactor body includes successively from outside to inside
Outward turning fluid layer, catalyst layer, inward turning fluid layer, light source；The water inlet enters outward turning fluid layer and reactor body in a tangential manner
Connection；The delivery port is connected with inward turning fluid layer.
Wherein, the water inlet is located at the upward 2-3cm in reactor body bottom.
Wherein, the catalyst layer is to be fixed on the hollow cylindrical form of loading catalyst in reactor body (1)
Between position.
Further, the catalyst is the adsorbing agent carrier for having absorption property and the photochemical catalyst for having photocatalysis performance
Composition.It is activated carbon or molecular sieve as the adsorbing agent carrier for preferably having absorption property；Photochemical catalyst is noble metal or partly led
Body TiO2Etc..Its catalyst can use H2O2To replace or add H in addition2O2To improve treatment effeciency.
Further, the sticky shaping of sodium silicate liquid that the catalyst is crossed by hydrophobic treatment.The hydrophobic treatment be by
Most of sodium element cleaning in sodium silicate liquid removes, by Hydrophilic silicic acid sodium liquid handling into hydrophobicity sodium silicate liquid.
By handling sodium silicate liquid by TiO2Deng photocatalyst powder using sodium silicate liquid adhesion to column-shaped active carbon or other
Photochemical catalyst not soluble in water is made in global molecular sieve surface.By hydrophobic silicic acid handle can catalyst have it is good
Water resistance.
Wherein, the light source is one or more 254~365nm of wavelength uviol lamp or 185~254nm VUV
Lamp.
Preferably, the light source outer layer is wrapped up by quartz socket tube, the purity of quartz ampoule is more than 99.9；In light source overcoat
The quartz socket tube of one high-purity is wrapped in fluorescent tube to prevent contaminated and improve transmission.
Wherein, the distance of the internal layer of the outer layer of the quartz socket tube and catalyst layer is that 1~5cm forms inward turning fluid layer.
Preferably, the water flow velocity of the water inlet is controlled in 0.1~2m/s.
Photocatalysis Cyclonic reactor of the present invention is equal to 0mg/L in processing SS concentration, and COD concentration is less than 300mg/L
Sewage on apply.SS concentration is equal in 0 explanation water without suspension in sewage, otherwise can be attracted to above catalyst
And influence light-catalysed progress.COD concentration is less than 300mg/L, illustrates that this reactor can be used for low concentration hardly degraded organic substance
Remove reactor be applied to low concentration hardly degraded organic substance removal.
The reactor can apply to actual live sewage disposal, and it is anti-can also to carry out intermittently or serially formula photocatalysis
It should test；Can be repeated that multiple same reactions are installed according to the index request of advanced treatment of wastewater during applied to live sewage disposal
Device.Simultaneously the reactor can also be applied to actual field volatile organic contaminant (VOCs) processing and relevant air in have
The photocatalytic degradation reaction experiment of organic pollutants matter.
Operation principle：By intake pump will to by a series of SS and COD concentration after pre-treatments be less than 0mg/L and
300mg/L sewage, water inlet pipe is persistently pumped into by 0.1~2m/s of flow velocity, water inlet pipe connects the water inlet of photocatalysis Cyclonic reactor
Mouth is connected with into outward turning fluid layer with reactor body in a tangential manner, and sewage does center of circle flowing after water inlet entrance and produces rotation
Stream；Sewage is adsorbed and is catalyzed with catalyst action by cyclonic action to be oozed catalyst layer and continues to revolve into inward turning fluid layer again
Reach stream to be sufficiently mixed and carry out stronger photolysis by catalyst layer and light source；Photodegradative sewage is gradually to reactor
Top flows through the delivery port discharge reactor of inward turning fluid layer.
Beneficial effect：Compared with prior art, the invention has the advantages that：
The photocatalysis Cyclonic reactor of the present invention can not need extra equipment and process with regard to that can make current in reactor
Inside reaching sufficiently mixing makes absorption and photodegradation more uniform and purification efficiency of increasing water quality.The photocatalysis rotation of the present invention
The full-automatic drive manner of flow reactor has high treating effect, stable, can the spy such as Automatic Control, convenient operation and management
Point, floor space is small, and equipment investment is few, and effluent quality is good, has again and does not produce secondary pollution, automation regulation inflow etc.
Advantage, can reach the purpose of energy-saving and emission-reduction, and this reactor is applied to the removal of low concentration hardly degraded organic substance.
The present invention can improve the touch opportunity between each reactive material in water, extend hydraulic detention time, so as to effectively
Improve the efficiency of depth degradation organic pollutants.
The present invention is by water inlet in a tangential manner with entering outward turning fluid layer, and without any dead angle so that sewage is cut
Reach and adequately and uniformly mix to doing center of circle flowing into reactor and producing eddy flow, sewage can be combined fully instead with catalyst
Should；Catalyst is molded by the sodium silicate liquid adhesion of specially treated and has water resistance.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is Fig. 1 top view；
Fig. 3 is Fig. 1 upward view.
Embodiment
Below in conjunction with drawings and examples, the invention will be further described.
Embodiment
As Figure 1-3, a kind of photocatalysis Cyclonic reactor for efficiently removing organic pollutants, including reactor sheet
Body 1, water inlet 2, delivery port 3；Reactor body 1 from outside to inside successively include outward turning fluid layer 4, catalyst layer 5, inward turning fluid layer 6,
Light source 7；Water inlet 2 enter in a tangential manner outward turning fluid layer 4 be connected with reactor body 1 and be located at the bottom of reactor body 1 to
At upper 2-3cm；The delivery port 3 is connected with inward turning fluid layer 6.Catalyst layer 5 is consolidated with the hollow cylindrical form of loading catalyst
Be scheduled on the centre position of reactor body 1, catalyst be have absorption property adsorbing agent carrier such as column-shaped active carbon or spherical point
Son sieve or the photochemical catalyst such as noble metal or semiconductor TiO for having photocatalysis performance2Composition；The silicon that catalyst is crossed by hydrophobic treatment
The sticky shaping of sour sodium liquid makes it have water resistance, and the hydrophobic treatment of sodium silicate liquid is to put 75 DEG C of water of chloride containing calcium solution into
Cleaned repeatedly repeatedly (5 times or so) in bath, untill pH value is reduced to below 8, most of sodium element in sodium silicate liquid
The calcium atom being chlorinated in calcium, which displaces, makes its property be changed into hydrophobic i.e. not soluble in water from hydrophilic.After hydrophobic treatment
Sodium silicate liquid is by TiO2Deng photocatalyst powder using sodium silicate liquid adhesion to column-shaped active carbon or other global moleculars
Photochemical catalyst not soluble in water is made in sieve surface.Catalyst can use H2O2To replace or add H in addition2O2To improve processing effect
Rate.Light source 7 is one or more 254~365nm of wavelength uviol lamp or 185~254nm vacuum UV lamp, the outer layer of light source 7
Prevent that fluorescent tube is contaminated by the parcel of quartz socket tube 8.The distance of the outer layer of quartz socket tube 8 and the internal layer of catalyst layer 5 is 1~5cm
Form inward turning fluid layer 6.
Photocatalysis Cyclonic reactor is connected to intake pump and sewage storage device by water inlet pipe, will be to warp by intake pump
A series of SS concentration crossed after pre-treatments is less than 300mg/L sewage for 0mg/L and COD concentration, is held by 0.1~2m/s of flow velocity
It is continuous to be pumped into water inlet pipe, the water inlet 2 of water inlet pipe connection photocatalysis Cyclonic reactor in a tangential manner with enter outward turning fluid layer 4 with it is anti-
Device body 1 is answered to connect, sewage does center of circle flowing after the entrance of water inlet 2 and produces eddy flow；Sewage passes through cyclonic action and catalyst
Effect adsorbed and be catalyzed oozed again catalyst layer 5 enter inward turning fluid layer 6 continue eddy flow be sufficiently mixed by catalyst layer 6 and
Light source 7 carries out stronger photolysis；The delivery port that photodegradative sewage gradually flows through inward turning fluid layer 6 to reactor head is arranged
Go out reactor.
Claims (10)
1. a kind of photocatalysis Cyclonic reactor for efficiently removing organic pollutants, it is characterised in that including reactor body
(1), water inlet (2), delivery port (3)；The reactor body (1) is disposed with outward turning fluid layer (4), catalyst from outside to inside
Layer (5), inward turning fluid layer (6), light source (7)；The water inlet (2) enters outward turning fluid layer (4) and reactor body in a tangential manner
(1) connect；The delivery port (3) is connected with inward turning fluid layer (6).
2. photocatalysis Cyclonic reactor according to claim 1, it is characterised in that the water inlet (2) is located at reactor
At body (1) upward 2-3cm in bottom.
3. photocatalysis Cyclonic reactor according to claim 1, it is characterised in that the catalyst layer (5) is to load
The hollow cylindrical form of catalyst is fixed on the centre position of reactor body (1).
4. photocatalysis Cyclonic reactor according to claim 3, it is characterised in that the catalyst is to have absorption property
Adsorbing agent carrier and the Photocatalyst Composite for having photocatalysis performance.
5. the photocatalysis Cyclonic reactor according to claim 3 or 4, it is characterised in that the catalyst is by hydrophobic treatment
The sticky shaping of sodium silicate liquid crossed.
6. photocatalysis Cyclonic reactor according to claim 1, it is characterised in that the light source (7) is one or more
254~365nm of wavelength uviol lamp or 185~254nm vacuum UV lamp.
7. photocatalysis Cyclonic reactor according to claim 1, it is characterised in that light source (7) outer layer is by quartz sleeve
Manage (8) parcel.
8. photocatalysis Cyclonic reactor according to claim 7, it is characterised in that the outer layer of the quartz socket tube (8) with
The distance of catalyst layer (5) internal layer is that 1~5cm forms inward turning fluid layer (6).
9. according to any described photocatalysis Cyclonic reactors of claim 1-4, it is characterised in that the water of the water inlet (2)
Flow control is in 0.1~2m/s.
10. a kind of advanced treating SS concentration of the photocatalysis Cyclonic reactor described in claim 1 is equal to 0mg/L, COD concentration is small
Applied on 300mg/L sewage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710805219.2A CN107522256A (en) | 2017-09-08 | 2017-09-08 | Efficiently remove photocatalysis Cyclonic reactor and its application of organic pollutants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710805219.2A CN107522256A (en) | 2017-09-08 | 2017-09-08 | Efficiently remove photocatalysis Cyclonic reactor and its application of organic pollutants |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107522256A true CN107522256A (en) | 2017-12-29 |
Family
ID=60736425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201710805219.2A Pending CN107522256A (en) | 2017-09-08 | 2017-09-08 | Efficiently remove photocatalysis Cyclonic reactor and its application of organic pollutants |
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Cited By (5)
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| CN110655143A (en) * | 2019-11-07 | 2020-01-07 | 南京工程学院 | Fixed photocatalytic cyclone reactor and construction method and application thereof |
| CN111825252A (en) * | 2019-04-19 | 2020-10-27 | 中国石油化工股份有限公司 | Wastewater oxidation device and system and wastewater advanced treatment oxidation method |
| CN112154906A (en) * | 2020-10-29 | 2021-01-01 | 黄河水利委员会黄河水利科学研究院 | Root-dividing region drip irrigation system for agricultural non-point source sewage purification and application thereof |
| CN113511764A (en) * | 2021-05-21 | 2021-10-19 | 中国石油化工股份有限公司 | Method and device for relieving corrosion of downstream equipment and pipeline of catalytic ozonation device |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111825252A (en) * | 2019-04-19 | 2020-10-27 | 中国石油化工股份有限公司 | Wastewater oxidation device and system and wastewater advanced treatment oxidation method |
| CN110655143A (en) * | 2019-11-07 | 2020-01-07 | 南京工程学院 | Fixed photocatalytic cyclone reactor and construction method and application thereof |
| CN112154906A (en) * | 2020-10-29 | 2021-01-01 | 黄河水利委员会黄河水利科学研究院 | Root-dividing region drip irrigation system for agricultural non-point source sewage purification and application thereof |
| CN113511764A (en) * | 2021-05-21 | 2021-10-19 | 中国石油化工股份有限公司 | Method and device for relieving corrosion of downstream equipment and pipeline of catalytic ozonation device |
| 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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Application publication date: 20171229 |