CN108341478A - A kind of method and device of hypergravity catalytic wet oxidation phenol wastewater - Google Patents
A kind of method and device of hypergravity catalytic wet oxidation phenol wastewater Download PDFInfo
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- CN108341478A CN108341478A CN201810117263.9A CN201810117263A CN108341478A CN 108341478 A CN108341478 A CN 108341478A CN 201810117263 A CN201810117263 A CN 201810117263A CN 108341478 A CN108341478 A CN 108341478A
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- packed bed
- hypergravity
- phenol wastewater
- phenol
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- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 239000002351 wastewater Substances 0.000 title claims abstract description 48
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000009279 wet oxidation reaction Methods 0.000 title claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 52
- 239000003054 catalyst Substances 0.000 claims abstract description 38
- 239000003463 adsorbent Substances 0.000 claims abstract description 27
- 238000009826 distribution Methods 0.000 claims abstract description 21
- 230000015556 catabolic process Effects 0.000 claims abstract description 19
- 238000006731 degradation reaction Methods 0.000 claims abstract description 19
- 230000000694 effects Effects 0.000 claims abstract description 18
- 239000007800 oxidant agent Substances 0.000 claims abstract description 9
- 230000001590 oxidative effect Effects 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 14
- 239000001301 oxygen Substances 0.000 claims description 14
- 229910052760 oxygen Inorganic materials 0.000 claims description 14
- 230000005484 gravity Effects 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 238000012856 packing Methods 0.000 claims description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 8
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 7
- 229910052684 Cerium Inorganic materials 0.000 claims description 5
- 229910021536 Zeolite Inorganic materials 0.000 claims description 5
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 5
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 5
- 239000002808 molecular sieve Substances 0.000 claims description 5
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 5
- 239000010457 zeolite Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000011049 filling Methods 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 2
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 2
- 150000002910 rare earth metals Chemical class 0.000 claims description 2
- 241000790917 Dioxys <bee> Species 0.000 claims 1
- 229910000510 noble metal Inorganic materials 0.000 claims 1
- 230000007704 transition Effects 0.000 claims 1
- 238000001179 sorption measurement Methods 0.000 abstract description 10
- 238000010521 absorption reaction Methods 0.000 abstract description 8
- 230000010354 integration Effects 0.000 abstract description 4
- 238000004065 wastewater treatment Methods 0.000 abstract description 4
- 238000004939 coking Methods 0.000 abstract description 2
- 238000002309 gasification Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000006555 catalytic reaction Methods 0.000 description 11
- 239000007795 chemical reaction product Substances 0.000 description 8
- 230000000593 degrading effect Effects 0.000 description 4
- 238000011068 loading method Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 230000035484 reaction time Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 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
- C02F1/72—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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F2101/34—Organic compounds containing oxygen
- C02F2101/345—Phenols
Abstract
The invention belongs to Treatment of Phenol Containing Water fields, it is slow in the adsorbent surface rate of adsorption that there are adsorbents when in order to solve existing catalytic wet oxidation Phenol-Containing Wastewater Treatment, catalytic rate is slow, product is not easy the problems such as removing, provide a kind of method and device of hypergravity catalytic wet oxidation phenol wastewater, phenol wastewater is sent by inlet tube in cross_flow rotating packed bed, initial distribution is carried out under liquid distribution trough effect, then enter the adsorbent surface of supported catalyst under the drive of rotor, complete the degradation of phenol wastewater under catalyst and hypergravity double action with oxidant simultaneously, most it is discharged into reservoir through outlet tube afterwards.The process has treating capacity big, equipment volume is small, the problems such as realizing absorption and degradation integration, greatly reduce the resistance to mass tranfer and relatively low catalytic rate in traditional wet oxidizing process, the present invention is suitable for handling various phenol wastewater, such as coking wastewater and gasification waste water.
Description
Technical field
The invention belongs to Treatment of Phenol Containing Water fields, and in particular to a kind of hypergravity catalytic wet oxidation phenol wastewater
Method and device.
Background technology
Phenol wastewater is listed in one of the harmful waste water of emphasis solution since it is with high causing toxicity.Have several grind
The person of studying carefully carries out the removing of harmful substance under Elevated Gravity using activated carbon as adsorbent, and achieves remarkable result, so
And the shortcomings of it needs further desorption there are adsorbent, and technical process is complex.And catalytic wet oxidation mistake under gravitational field
There are adsorbents the problems such as the adsorbent surface rate of adsorption and catalytic rate are relatively slow, product is not easy to remove in journey.Needle at present
Blank is still belonged to the catalytic wet oxidation under Elevated Gravity.
Invention content
There are adsorbents in adsorbent surface when the present invention is in order to solve existing catalytic wet oxidation Phenol-Containing Wastewater Treatment
The problems such as rate of adsorption is slow, and catalytic rate is slow, and product is not easy to remove provides a kind of hypergravity catalytic wet oxidation phenol wastewater
Method and device, on the one hand hypergravity is utilized to strengthen absorption and catalyzed conversion of the fluid molecule in adsorbent surface；Another party
Face, liquid constantly clean high-speed rotating adsorbent surface so that reaction product constantly detaches, to promote substance containing phenol
Degradation.
The present invention is realized by following technical solution：A kind of method of hypergravity catalytic wet oxidation phenol wastewater contains phenol
Waste water is sent by inlet tube in cross_flow rotating packed bed, initial distribution is carried out under liquid distribution trough effect, then in rotor
Drive under enter cross_flow rotating packed bed, complete the infinitesimal of drop, later enter supported catalyst adsorbent surface,
The degradation for completing phenol wastewater under catalyst and hypergravity double action with oxidant simultaneously, is most discharged into liquid storage through outlet tube afterwards
In slot.
The filler is common Pall ring, silk screen, Raschig ring, any one in ripple, the adsorbent be activated carbon,
Any one in aluminium oxide, ceria, zeolite and molecular sieve, adsorbent amount are 5-100 g/l；The catalyst is expensive
Metal platinum, transition metal iron, copper, any one in rare earth metal cerium, the dosage of catalyst is 0.1-10 wt%；The oxidation
Agent is gaseous oxidizing agent or Oxygen in Liquid agent, and gaseous oxidizing agent is arbitrary in the ozone, oxygen or air of 5-100 mg/l
One kind, wherein oxygen partial pressure are 0.1-5 MPa；Oxygen in Liquid agent is the H of concentration 27.5%-80%, 1-50 mM/L2O2。
A concentration of 100-1000 mg/L of the phenol wastewater, the sprinkle density in cross_flow rotating packed bed are
0.5-3.0 m3/m2/h；High gravity factor is 5-100.
Realize the device of above-mentioned hypergravity catalytic wet oxidation phenol wastewater method, structure include be connected to the motor connect it is super
Gravity is rotary packed bed, and rotor is set in cross_flow rotating packed bed, and liquid distribution trough is connected on rotor, is arranged outward on rotor and fills out
The bed of material and conversion zone fill filler on packing layer, the adsorbent of supported catalyst are set in conversion zone；The shaft of rotor and motor connects
Connect, set inlet, liquid outlet on cross_flow rotating packed bed, inlet connects reservoir by liquid pump, liquid pump and inlet it
Between be equipped with fluid flowmeter；Liquid outlet connects reservoir；Cross_flow rotating packed bed side sets air inlet, and air inlet connects gas
Generator.Load area of the catalyst in conversion zone is circular ring shape, and size is cross section in cross_flow rotating packed bed
3rd/to four/20ths of area.
Catalyst uniformly loads to adsorbent surface, and load area is annulus shape, and size is that hypergravity rotates filler
3rd/to four/20ths of cross-sectional area in bed, can be according to selection of the concentration of waste water and oxidant etc. flexibly
Its range is adjusted, the utilization rate of catalyst can be effectively improved, reduce the cost of catalyst.Other area fillings are common to be filled out
Material, can effectively complete the further infinitesimal of liquid.
When using device and method Phenol-Containing Wastewater Treatment of the present invention when, phenol wastewater from reservoir by liquid pump into
Enter inside cross_flow rotating packed bed, initial distribution is completed under the action of liquid distribution trough, then under the drive of rotor, contains
The drop of phenol waste water is cut into tiny drop, brin and liquid film, is then adsorbed on adsorbent surface, at the same time with gas
The oxidant mixing that generator generates, completes catalyzed conversion, in the process absorption and catalytic process under the effect of the catalyst
It is strengthened.Meanwhile liquid constantly rinses high-speed rotating adsorbent surface, contributes to the removal of reaction product, to promote
The purification of phenol wastewater.
Hypergravity catalytic wet oxidation technology is by liquid shear using powerful super gravity field into small liquid unit
Carry out a kind of New Wastewater Treatment Technology art of fortifying catalytic wet oxidation process.Hypergravity can effectively strengthen fluid molecule and adsorb
The absorption on agent surface, contributes to its diffusion, and then accelerates rate of catalysis reaction so that equipment volume significantly reduces and can be with
Continuous production.Simultaneously filler is rotated in hypergravity（The adsorbent of supported catalyst）It is upper to adsorb and be catalyzed the effective coupling of the two
Close, may be implemented Adsorption of Phenol degradation integration, it is not necessary to be desorbed again, in addition, liquid constantly rinse it is high-speed rotating
Catalyst surface is removed with being conducive to reaction product in time, greatly reduce resistance to mass tranfer in traditional wet oxidizing process and
The problems such as catalytic rate is relatively low, at the same avoid needed in hypergravity adsorption process further be desorbed caused by process route it is long,
The problems such as adsorption efficiency is not high.
The present invention has following features compared with prior art：The coupling of absorption and catalysis is realized under Elevated Gravity
It closes, realizes the degradation integration of phenol, improve the degradation rate of phenol.High-speed rotating adsorbent surface is constantly clear by drop
It washes, contributes to removing for reaction product, there is higher degradation rate.Handle material range it is wide, can be used for coking wastewater and
The processes such as gasification waste water.
Description of the drawings
Fig. 1 is the process flow chart of cross_flow rotating packed bed catalytic wet oxidation phenol wastewater of the present invention；Fig. 2
For the filling schematic diagram of catalyst in cross_flow rotating packed bed.
In figure：1- motors；2- cross_flow rotating packed beds；2.1- rotor；2.2- inlet；2.3- liquid outlet；2.4- into
Gas port；3- liquid distribution troughs；4.1- packing layer；4.2- catalyst layer；5- liquid pumps；6- reservoirs；7- fluid flowmeters；8- gases
Generator；R1- rotor cavity zone radius；R2- packing layers are to rotor cavity zone radius；R3- catalyst layers are extremely
Rotor cavity zone radius；The cross_flow rotating packed bed internal cavity areas r4- are to rotor cavity zone radius.
Specific implementation mode
To more fully understand the present invention, the present invention is further described with reference to embodiment, the present invention claims guarantors
The range of shield is not limited to the range of embodiment statement.
Embodiment 1：A kind of method of cross_flow rotating packed bed catalytic wet oxidation phenol wastewater, phenol wastewater is by feed liquor
Pipe be sent into cross_flow rotating packed bed in, liquid distribution trough effect under carry out initial distribution, then under the drive of rotor into
Enter cross_flow rotating packed bed, complete the infinitesimal of drop, later enter supported catalyst adsorbent surface, while with oxidation
The degradation of phenol wastewater is completed in agent under catalyst and hypergravity double action, is most discharged into reservoir through outlet tube afterwards.
A concentration of 500 mg/L phenol wastewater, sprinkle density are 0.5 m3/m2/ h enters rotary packed bed from inlet 2.2
It is interior, initial distribution is carried out under the effect of liquid distribution trough 3, then in rotor 2.1（High gravity factor 20）Under drive, into filling out
Expect area（Wire packing）By phenol wastewater liquid shear at small drop, brin and liquid film, enter the activity of Supported Pt Nanoparticles later
Carbon surface, activated carbon dosage 30g, 0.1 wt% of catalyst loadings, catalyst load area are annulus, and size is hypergravity
/ 10th of rotary packed bed interior cross-sectional area, the air generated with gas generator 8（0.5 MPa of oxygen partial pressure）It is mixed
It closes, then completes the degradation of phenol wastewater under its effect, subsequent liquid is discharged into reservoir 6.Under the invigoration effect of hypergravity, make
Phenol molecule quick adsorption is obtained in activated carbon surface, then under the double action of hypergravity and catalyst, accelerates catalysis reaction
Rate, simultaneously because liquid constantly rinses catalyst surface so that reaction product is constantly removed, to further speed up reaction
It carries out, result of study shows after the reaction time is 30 min, and phenol degrading rate reacts 40 min, phenol is almost up to 90.5%
It is degradable.Compared with comparison patent（The method and apparatus of absorption degradation phenol wastewater, CN 105152264 in a kind of super gravity field
A）, in same time, degradation rate improves 20%.In 40 min, almost the reaction was complete, and compares 1.5 h of patent absorption and be only
92%.In addition, comparison patent also needs to be desorbed having adsorbed, process route is longer, and this law realizes absorption and catalytic degradation
Integration, it is not necessary to further be desorbed.For relatively traditional platinum catalysis wet oxidation, the hypergravity under identical treatment conditions
The dosage 45% of adsorbent can be reduced, catalytic efficiency improves 21%, and utilization rate improves 31%.
Embodiment 2：A concentration of 100 mg/L phenol wastewater, sprinkle density are 1 m3/m2/ h enters from inlet 2.2 and rotates
In packed bed, initial distribution is carried out under the effect of liquid distribution trough 3, then in rotor 2.1（High gravity factor 5）Under drive into
Enter packing area（Pall ring filler）By phenol wastewater liquid shear at small drop, brin and liquid film, enter load iron later
Oxidation aluminium surface, aluminium oxide dosage is 30g, and 5.6 wt% of catalyst loadings, catalyst load area is annulus, and size is
/ 8th of cross-sectional area in cross_flow rotating packed bed, the oxygen generated with gas generator 8（Oxygen partial pressure 1.2
MPa）It mixes, then completes the degradation of phenol wastewater under its effect, subsequent liquid is discharged into reservoir 6, and cycle is twice.In hypergravity
Invigoration effect under so that phenol molecule quick adsorption oxidation aluminium surface, then in the double action of hypergravity and catalyst
Under, accelerate rate of catalysis reaction, simultaneously because liquid constantly rinses catalyst surface so that reaction product is constantly removed, from
And further speed up reaction and carry out, research shows that after the reaction time is 40 min, phenol degrading rate reacts 60 up to 83.2%
Min, phenol are almost degraded.For relatively traditional iron catalytic wet oxidation, hypergravity can under identical treatment conditions
To reduce the dosage 60% of adsorbent, catalytic efficiency improves 45%, and utilization rate improves 52%.
Embodiment 3：A concentration of 800 mg/L phenol wastewater（Include 5% H2O2, 5 mM/L）, sprinkle density is 2 m3/
m2/ h enters from inlet 2.2 in rotary packed bed, initial distribution is carried out under the effect of liquid distribution trough 3, then in rotor
2.1（High gravity factor 80）It drives lower into packing area（Raschig ring filler）By phenol wastewater liquid shear at small liquid
Drop, brin and liquid film enter the zeolite surface of supported copper, zeolite quantity 45g, 8.2 wt% of catalyst loadings, catalysis later
Agent load area is annulus, and size is 1/20th of cross-sectional area in cross_flow rotating packed bed, then under its effect
The degradation of phenol wastewater is completed, subsequent liquid is discharged into reservoir 6, is recycled three times.Under the invigoration effect of hypergravity so that
Phenol molecule quick adsorption is in zeolite surface, then under the double action of hypergravity and catalyst, accelerates rate of catalysis reaction,
Simultaneously because liquid constantly rinses catalyst surface so that reaction product is constantly removed, and is carried out to further speed up reaction,
Research shows that after the reaction time is 40 min, phenol degrading rate reacts 65 min up to 81.2%, and phenol is almost degraded.
For relatively traditional copper catalysis wet oxidation, hypergravity can reduce degradation time 45% under identical treatment conditions, catalysis
Efficiency improves 36%, and utilization rate improves 48%.
Embodiment 4：A concentration of 1000 mg/L phenol wastewater, sprinkle density are 3.0 m3/m2/ h enters from inlet 2.2
In rotary packed bed, initial distribution is carried out under the effect of liquid distribution trough 3, then in rotor 2.1（High gravity factor 100）Band
It is dynamic lower into packing area（Ripple packing）By phenol wastewater liquid shear at small drop, brin and liquid film, enter later negative
The molecular sieve surface of cerium is carried, molecular sieve dosage is 15g, and 10 wt% of catalyst loadings, catalyst load area is annulus（r3-
r2）, size is the r of cross-sectional area in cross_flow rotating packed bed43/4ths, with gas generator 8 generate oxygen
（0.8 MPa of oxygen partial pressure）Mixing, then the degradation of phenol wastewater is completed under its effect, subsequent liquid is discharged into reservoir 6, four times
Cycle.Under the invigoration effect of hypergravity so that phenol molecule quick adsorption is in molecular sieve surface, then in hypergravity and catalysis
Under the double action of agent, accelerate rate of catalysis reaction, simultaneously because liquid constantly rinses catalyst surface so that reaction product is not
Disconnected removes, and is carried out to further speed up reaction, research shows that after the reaction time is 50 min, phenol degrading rate reaches
86.2%, 80 min are reacted, phenol is almost degraded.For relatively traditional cerium catalytic wet oxidation, in identical processing
Under the conditions of hypergravity can reduce degradation time 65%, catalytic efficiency improves 33%, and utilization rate improves 42%.
Claims (5)
1. a kind of method of hypergravity catalytic wet oxidation phenol wastewater, it is characterised in that：Phenol wastewater is sent into super by inlet tube
In gravity is rotary packed bed, initial distribution is carried out under liquid distribution trough effect, hypergravity is then entered under the drive of rotor
It is rotary packed bed, the infinitesimal of drop is completed, enters the adsorbent surface of supported catalyst later, while being catalyzed with oxidant
The degradation that phenol wastewater is completed under agent and hypergravity double action, is most discharged into through outlet tube in reservoir afterwards.
2. a kind of method of hypergravity catalytic wet oxidation phenol wastewater according to claim 1, it is characterised in that：It is described
Filler is any one in common Pall ring, silk screen, Raschig ring, ripple；The adsorbent is activated carbon, aluminium oxide, dioxy
Change any one in cerium, zeolite and molecular sieve, adsorbent amount is 5-100 g/l；The catalyst is noble metal platinum, transition
Metallic iron, copper, any one in rare earth metal cerium, the dosage of catalyst is 0.1-10 wt%；The oxidant is gas phase oxygen
Agent or Oxygen in Liquid agent, gaseous oxidizing agent are any one in the ozone, oxygen or air of 5-100 mg/l, wherein oxygen
Qi leel pressure is 0.1-5 MPa；Oxygen in Liquid agent is the H of concentration 27.5%-80%, 1-50 mM/L2O2。
3. a kind of method of hypergravity catalytic wet oxidation phenol wastewater according to claim 1, it is characterised in that：It is described
A concentration of 100-1000 mg/L of phenol wastewater, the sprinkle density in cross_flow rotating packed bed are 0.5-3.0 m3/m2/h；
High gravity factor is 5-100.
4. realize a kind of device of any hypergravity catalytic wet oxidation phenol wastewater method of claims 1 to 3, it is special
Sign is：Structure includes and motor（1）The cross_flow rotating packed bed being connected（2）, cross_flow rotating packed bed（2）It inside sets and turns
Son（2.1）, rotor（2.1）Upper connection liquid distribution trough（3）, rotor（2.1）Upper setting packing layer outward（4.1）And conversion zone
（4.2）, packing layer（4.1）Upper filling filler, conversion zone（4.2）On set the adsorbent of supported catalyst；Rotor（2.1）With motor
（1）Shaft connection, cross_flow rotating packed bed（2）On set inlet（2.2）, liquid outlet（2.3）, inlet（2.2）Pass through
Liquid pump（5）Connect reservoir（6）, liquid pump（5）With inlet（2.2）Between be equipped with fluid flowmeter（7）；Liquid outlet（2.3）Even
Connect reservoir（6）；Cross_flow rotating packed bed（2）Side sets air inlet（2.4）, air inlet（2.4）Connect gas generator
（8）.
5. the device according to claim 4 for realizing cross_flow rotating packed bed catalytic wet oxidation phenol wastewater method,
It is characterized in that：Load area of the catalyst in conversion zone is circular ring shape, and size is horizontal in cross_flow rotating packed bed
3rd/to four/20ths of area of section.
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| CN201810117263.9A CN108341478B (en) | 2018-02-06 | 2018-02-06 | Method and device for supergravity catalytic wet oxidation of phenolic wastewater |
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| CN201810117263.9A CN108341478B (en) | 2018-02-06 | 2018-02-06 | Method and device for supergravity catalytic wet oxidation of phenolic wastewater |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110302796A (en) * | 2019-07-09 | 2019-10-08 | 中北大学 | A kind of Mn-Fe-Cu/ γ-Al of hypergravity fluidisation spray-stain method preparation2O3Catalyst and its application |
| CN110436603A (en) * | 2019-07-09 | 2019-11-12 | 中北大学 | The method and device of heterogeneous catalysis ozone degradation phenolic waste water in a kind of super gravity field |
| CN112090273A (en) * | 2020-08-28 | 2020-12-18 | 中北大学 | Photocatalyst-loaded filler and its high-gravity NO removalxApparatus and process of |
| CN113754143A (en) * | 2021-09-07 | 2021-12-07 | 中北大学 | Device and method for treating dinitrotoluene wastewater by using reinforced iron-carbon microelectrolysis-catalytic ozonation method |
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| CN110302796A (en) * | 2019-07-09 | 2019-10-08 | 中北大学 | A kind of Mn-Fe-Cu/ γ-Al of hypergravity fluidisation spray-stain method preparation2O3Catalyst and its application |
| CN110436603A (en) * | 2019-07-09 | 2019-11-12 | 中北大学 | The method and device of heterogeneous catalysis ozone degradation phenolic waste water in a kind of super gravity field |
| CN112090273A (en) * | 2020-08-28 | 2020-12-18 | 中北大学 | Photocatalyst-loaded filler and its high-gravity NO removalxApparatus and process of |
| CN113754143A (en) * | 2021-09-07 | 2021-12-07 | 中北大学 | Device and method for treating dinitrotoluene wastewater by using reinforced iron-carbon microelectrolysis-catalytic ozonation method |
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