CN108059232A - A kind of method for purifying waste water - Google Patents
A kind of method for purifying waste water Download PDFInfo
- Publication number
- CN108059232A CN108059232A CN201711358019.3A CN201711358019A CN108059232A CN 108059232 A CN108059232 A CN 108059232A CN 201711358019 A CN201711358019 A CN 201711358019A CN 108059232 A CN108059232 A CN 108059232A
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- waste water
- oxidation reactor
- gas
- raw material
- catalyst
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- 239000002351 wastewater Substances 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 101
- 230000003647 oxidation Effects 0.000 claims abstract description 100
- 239000003054 catalyst Substances 0.000 claims abstract description 56
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000006243 chemical reaction Methods 0.000 claims abstract description 36
- 239000002994 raw material Substances 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000000746 purification Methods 0.000 claims abstract description 12
- 239000008213 purified water Substances 0.000 claims abstract 2
- 239000007788 liquid Substances 0.000 claims description 45
- 230000003197 catalytic effect Effects 0.000 claims description 44
- 238000009826 distribution Methods 0.000 claims description 17
- 238000000926 separation method Methods 0.000 claims description 15
- 238000006555 catalytic reaction Methods 0.000 claims description 12
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract description 27
- 239000007789 gas Substances 0.000 description 13
- 230000003139 buffering effect Effects 0.000 description 8
- 239000000126 substance Substances 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005276 aerator Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical group O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 239000010812 mixed waste Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- -1 pharmacy Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002699 waste material 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/34—Organic compounds containing oxygen
-
- 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
- C02F2201/002—Construction details of the apparatus
-
- 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
- C02F2209/02—Temperature
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
This divisional application provides a kind of method for purifying waste water, raw material waste water enters catalyst oxidation reactor by the bottom inlet of catalyst oxidation reactor, ozone enters catalyst oxidation reactor by the top ozone inlet of catalyst oxidation reactor, raw material waste water and ozone are in catalyst oxidation reactor after repeatedly mixing, react, the qualified purified water of processing flows out catalyst oxidation reactor by treated water outlet, gas after the completion of reaction flows out catalyst oxidation reactor by exhaust port, and the removal efficiency of COD can reach more than 80%.Purification of the catalyst oxidation reactor of the present invention especially suitable for wastewater containing methanol.
Description
The application is Application No. 201711096677X, the applying date is on November 9th, 2017, entitled " a kind of net
The divisional application of the catalyst oxidation reactor and its purification method of change waste water ".
Technical field
The present invention relates to a kind of method for purifying waste water, the purification especially suitable for wastewater containing methanol.
Background technology
Methanol is important chemical products and one of raw material, resourceful and following important energy source.But methanol is to micro-
Biology, aquatile and human body are toxic, and basic organic synthesis, modeling are also widely present in as a kind of organic pollution
In the production waste water such as material, staple fibre, pharmacy, ion exchange resin, petrochemical industry, forestry chemical industry and sulfate pulp.
At present, mainly there are physics, chemical treatment method and bioremediation for the processing of methanol waste water.Wherein, change
Learning processing method has the characteristics that flow is simple, processing waste strength interval range is wide, treating capacity is big, processing time is short, makes it
It is widely applied in practical application in industry.Had using the available chemical oxidizing agent of chemical Treatment methanol waste water smelly
Oxygen, chlorine system oxidant etc..During with ozone treatment methanol waste water, intermediate product is formaldehyde, and final product is CO2.Mass concentration is
For the methanol waste water of 5000mg/L after a step catalytic oxidation process, removal efficiency can reach more than 80%.
But the efficiency of catalytic oxidation treatment waste water technology how is further promoted, just becomes catalytic oxidation technologies and extensively should
With one of bottleneck with waste water treatment field.It is highly concentrated for chemical method processing to meet growing waste water treatment demand
Waste water is spent, those skilled in the art can generally continuously improve the performance of catalyst for catalytic oxidation, while catalyst oxidation reactor
Design is more likely to integrated design, how by the logistics of optimization system and to flow distribution, make inside reactor difference
Suction exothermic process reach optimal energy utilization efficiency, while reaction system is made more to minimize, is integrated, and then improved complete
The energy efficiency of system is that catalysis oxidation administers the practical basic premise of waste water technology.
The content of the invention
Present invention aims at a kind of catalyst oxidation reactor for purifying waste water is provided, catalyst oxidation reactor can solve
Following problem：First, room temperature, without any outer heat supply in the case of can start and automatically maintain reactor normal operation；2nd, may be used
According to requiring, suitable for the wastewater treatment of various concentration；3rd, heat exchange is integrated with reacting, mixing and separating etc. multiple functions
In one, the compactness of entire catalyst oxidation reactor is improved, realizes the miniaturization of reactor.
To achieve these goals, the technical solution adopted by the present invention is：A kind of catalyst oxidation reactor for purifying waste water
For three layers of telescopic tower structure；Catalyst oxidation reactor ecto-entad sets gradually Exhaust Emission Control area, waste water preheating
Area and catalytic oxidation area；Catalyst for catalytic oxidation is filled in catalytic oxidation area；The catalytic oxidation area
Include pre-reaction zone, gas-liquid buffering area, main reaction region and rear reaction zone successively from top to bottom, liquid is equipped in the top of pre-reaction zone
Body distributor is equipped with gas-liquid buffering area above main reaction region, and gas-liquid redistributor is equipped with above gas-liquid buffering area, is being catalyzed
Oxidation reactor bottom part down is equipped with gas-liquid separation zone, treated water outlet is equipped in the lower section of gas-liquid separation zone, in catalysis oxidation
The top of reactor is equipped with ozone inlet, and waterwater entrance is equipped in the lower section of catalyst oxidation reactor one side, anti-in catalysis oxidation
The top of device one side is answered to be equipped with exhaust port.
The method that above-mentioned purification waste water is claimed in another object of the present invention, is as follows：Raw material waste water is by urging
Oxidation device bottom waterwater entrance enters waste water preheating zone, is preheated to 60-90 DEG C through waste water preheating zone, raw material gives up after preheating
Water enters catalytic oxidation area by liquid distribution trough；The smelly of corresponding proportion is passed through from ozone inlet to catalyst oxidation reactor
Oxygen, ozone enter catalytic oxidation area by ozone distributor, and ozone is with raw material waste water by mixing three times, after catalytic reaction
Raw material waste water is made to reach purification water quality standard, is discharged by treated water outlet, reaction end gas enters tail gas by gas-liquid separation zone and arranges
It puts control zone and continues catalytic oxidation, reach the tail gas after standard and urged after foam barrier net by exhaust port discharge
Oxidation device.
Catalyst oxidation reactor of the present invention collect gas distribution, gas-liquid mixed, vapor-liquid backmixing, preheating, catalytic oxidation in
One, energy efficiency are high.Catalyst oxidation reactor is divided into Exhaust Emission Control area, waste water preheating zone and catalytic oxidation area etc.
Difference in functionality area.Exhaust Emission Control area ensures that ozone content is up to standard in the tail gas discharged；Waste water preheating zone can absorb catalysis
The reaction heat generated in oxidation reaction zone, will be in waste water preheating zone while effectively control catalytic oxidation area's temperature
Raw material waste water is preheating to 60-90 DEG C；Fluid uses convective flow side in waste water preheating zone raw material waste water and catalytic oxidation area
Formula can significantly provide heat exchange efficiency between the two.Entire catalytic oxidation area can be divided into pre-reaction zone, main reaction region
And reaction zone, using three-stage catalytic oxidation, every section of reaction zone is all filled with catalyst for catalytic oxidation.Oxygen is catalyzed starting
When changing reactor, a small amount of raw material and ozone by being repeatedly mixed and fed into different reaction zones, realize entire reactor room temperature,
Without the startup in the case of any outer heat supply.
The intake method of ozone of the present invention uses multistage feeding, ensure that ozone is dense in catalytic oxidation area axial direction
Degree distribution；Simultaneously at the import position of each section of ozone, using unidirectional gas explosion device, it ensure that ozone in catalytic oxidation area
Concentration distribution radially.By the adjustment of ozone distributor and entrance total amount, the waste water of various concentration can be handled.
The present invention using between catalyst oxidation reactor internal flows counter-current flow, waste water preheating zone and catalysis oxidation it is anti-
The heat exchange between area is answered to integrate, the design of internal gas-liquid separation zone and gas-liquid distributor, to energy between fluid heat transfer and reaction
Supply and exchange carry out rationally control and manage, improve the compactness of entire catalyst oxidation reactor, realize the small of reactor
Type greatly improves system-wide energy efficiency.
Description of the drawings
Fig. 1 is the structure diagram for the catalyst oxidation reactor for purifying waste water；
Fig. 2 is the partial enlarged view at Figure 1B；
Fig. 3 is the internal process schematic diagram for the catalyst oxidation reactor for purifying waste water；
Fig. 4 is the experimental result of the catalyst oxidation reactor of present invention purification waste water.
Wherein, 1, ozone inlet, 2, waterwater entrance, 3, exhaust port, 4, treated water outlet, 5, catalyst observation port,
6th, gas-liquid disturbance device, 7, raw material waste water distribution openings A, 8, raw material waste water distribution openings B, 9, be unidirectionally aerated valve, 10, block liquid sieve,
11st, reactor fixed frame, 12, foam barrier net, 13, ozone distributor, 14, liquid distribution trough, 15, unidirectional aerator, 16,
Gas-liquid redistributor, 17, catalyst oxidation reactor bottom, a, catalytic oxidation area, b, waste water preheating zone, c, exhaust emissions control
Area processed, d, pre-reaction zone, e, main reaction region, f, rear reaction zone, g, gas-liquid separation zone, h, gas-liquid buffering area.
Specific embodiment
The present invention is described in detail in 1-4 and specific embodiment below in conjunction with the accompanying drawings, but does not limit the scope of the invention.
As shown in Figure 1, a kind of catalyst oxidation reactor for purifying waste water, catalyst oxidation reactor is three layers of telescopic tower
Formula structure；It is anti-to set gradually Exhaust Emission Control area c, waste water preheating zone b and catalysis oxidation for catalyst oxidation reactor ecto-entad
Answer area a；
The catalytic oxidation area a includes pre-reaction zone d, main reaction region e and rear reaction zone f successively from top to bottom,
The top of pre-reaction zone d is equipped with liquid distribution trough 14, gas-liquid buffering area h is equipped with above the e of main reaction region, in gas-liquid buffering area h
Top is equipped with gas-liquid redistributor 16；Ozone inlet 1 is equipped at the top of catalyst oxidation reactor, ozone distributor 13 is vertically set
Inside catalytic oxidation area a, positioned at the lower section of ozone inlet 1；Unidirectional aerator is additionally provided on ozone distributor 13
15.The gas vent direction of unidirectional aerator 15 and raw material waste water are to contact, ensure that being sufficiently mixed for gas-liquid.
Gas-liquid separation zone g is equipped with below catalyst oxidation reactor bottom 17, the lower section of g is equipped with purification in gas-liquid separation zone
Water out 4；In gas-liquid separation zone, the top of g is equipped with and blocks liquid sieve 10, and in Exhaust Emission Control area, the lower section of c is equipped with unidirectional aeration
Valve 9.Be internally provided with raw material waste water distribution openings A7 and raw material waste water distribution openings B 8 in waterwater entrance 2, raw material waste water distribution openings A7 with
The c connections of Exhaust Emission Control area, raw material waste water distribution openings B 8 are connected with waste water preheating zone b.Two strands of raw material waste water will also be in tail gas
Emission control area c is mixed and by liquid distribution trough 14 even into catalytic oxidation area a.Inside Exhaust Emission Control area c
Equipped with catalyst for catalytic oxidation, and equipped with gas-liquid disturbance device 6, ensure that gas-liquid is sufficiently mixed；The Exhaust Emission Control area c
Catalyst observation port 5 is inside also set, can periodically carry out catalyst sampling analysis.It is equipped in the lower section of catalyst oxidation reactor one side
Bottom waterwater entrance 2 is equipped with exhaust port 3 in the top of catalyst oxidation reactor one side.COD in waste water is arranged according to user
The different requirements of concentration are put, can be realized by the flow for adjusting ozone at ozone inlet 1.
The catalyst oxidation reactor of the present invention is used to purify the specific method of waste water：
(1) raw material waste water enters waste water preheating zone b from the bottom waterwater entrance 2 of catalyst oxidation reactor.Work as purification of waste water
After process is stablized, in the b of waste water preheating zone, raw material waste water can absorb waste water and ozone oxidation in catalytic oxidation area a
The reaction heat of generation, it is while effectively control catalytic oxidation area's a temperature, the raw material waste water in the b of waste water preheating zone is pre-
Heat is to 60-90 DEG C.Fluid, can be significantly using convective flow mode in waste water preheating zone b raw materials waste water and catalytic oxidation area a
Degree provides heat exchange efficiency between the two.
(2) waste water through waste water preheating zone b preheatings enters catalytic oxidation area a by liquid distribution trough 14.
(3) after raw material waste water enters catalytic oxidation area a, pre-reaction zone d, main reaction region e and rear anti-are first successively infiltrated
Area f is answered, then enters gas-liquid separation zone g through catalyst oxidation reactor bottom 17, liquid flows out catalysis oxidation by treated water outlet 4
Reactor.
(4) raw material waste water is passed through after catalytic oxidation area a has been infiltrated from the ozone inlet 1 of catalyst oxidation reactor
The ozone of corresponding proportion, ozone enter each specified area of corresponding catalytic oxidation area a by ozone distributor 13, subregion
Domain.
(5) ozone first by unidirectional gas explosion device 15 even into catalytic oxidation area a, on pre-reaction zone d tops
Counter current contacting is carried out with raw material waste water, into pre-reaction zone d after being sufficiently mixed, the catalysis oxygen of first time is carried out in catalyst surface
Change reaction.
(6) waste water and second segment ozone carry out counter current contacting after first time catalytic oxidation, after being sufficiently mixed, by gas
After the mixing of liquid redistributor Final 16's ozone and waste water, into gas-liquid buffering area h.
(7) through gas-liquid buffering area h, well-mixed waste water and ozone even into main reaction region e, catalyst surface into
The secondary catalytic oxidation of row.
(8) waste water after second of catalytic oxidation and the 3rd section of ozone carry out counter current contacting, are sufficiently mixed laggard
Enter reaction zone f after catalysis oxidation, it is anti-that the substance of wastewater fraction unreacted processing in rear reaction zone f completes third time catalysis oxidation
Should, after reaching purification water quality standard, catalyst oxidation reactor is flowed out by treated water outlet 4 after the g of gas-liquid separation zone.
(9) reaction end gas after catalytic oxidation three times after the g gas-liquid separations of gas-liquid separation zone, is set through upper strata
Meter blocks liquid sieve 10, by being unidirectionally aerated valve 9 into Exhaust Emission Control area c.In Exhaust Emission Control area c, tail is reacted
The effluent part that gas continues and entered by raw material waste water distribution openings A7 carries out catalytic oxidation, and tail gas passes through after reaching discharge standard
It crosses foam barrier net 12 and catalyst oxidation reactor is flowed out by exhaust port 3.
The experimental result of the catalyst oxidation reactor of the purification waste water of the present invention is shown in Fig. 3, is mounted with according to Fig. 1 structure designs
One catalyst oxidation reactor has loaded 1 cubic metre of catalyst, when hydraulic load is 2-3m3/m2During h, from COD removal rates with
Time graph as it can be seen that the catalyst oxidation reactor is notable to the removal effect of COD, from start operation 20 it is small when can reach stable
Operation, catalytic eliminating efficiency is more than 80% at this time.The catalyst oxidation reactor of the present invention is especially suitable for wastewater containing methanol
Purification.
The above is only the preferable specific embodiment of the invention, but the protection domain of the invention is not
This is confined to, in the technical scope that any one skilled in the art discloses in the invention, according to the present invention
The technical solution of creation and its inventive concept are subject to equivalent substitution or change, should all cover the invention protection domain it
It is interior.
Claims (3)
1. it is a kind of purify waste water method, which is characterized in that raw material waste water by catalyst oxidation reactor bottom waterwater entrance (2) into
Enter waste water preheating zone (b) preheating, raw material waste water enters catalytic oxidation area (a) after preheating；Ozone enters catalytic oxidation
Area (a), ozone make raw material waste water reach purification water quality standard, go out by purified water with raw material waste water by mixing, after catalytic reaction
Mouth (4) discharge, reaction end gas continue catalytic oxidation by gas-liquid separation zone (g) into Exhaust Emission Control area (c),
Catalyst oxidation reactor is discharged after reaching standard.
2. according to the method described in claim 1, it is characterized in that, reaction end gas after the gas-liquid separation of gas-liquid separation zone (g),
By blocking liquid sieve (10), by being unidirectionally aerated valve (9) into Exhaust Emission Control area (c), by raw material waste water distribution openings A (7)
The part material waste water of entrance continues catalytic oxidation with reaction end gas, is arranged after reaching standard by exhaust port (3)
Go out catalyst oxidation reactor.
3. according to the method described in claim 1, it is characterized in that, the volume of catalyst for catalytic oxidation and the volume ratio of reactor
For (1:3)~(1:5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711358019.3A CN108059232B (en) | 2017-11-09 | 2017-11-09 | Method for purifying waste water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711096677.XA CN107601645B (en) | 2017-11-09 | 2017-11-09 | A kind of catalyst oxidation reactor and its purification method purifying waste water |
| CN201711358019.3A CN108059232B (en) | 2017-11-09 | 2017-11-09 | Method for purifying waste water |
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| CN201711096677.XA Division CN107601645B (en) | 2017-11-09 | 2017-11-09 | A kind of catalyst oxidation reactor and its purification method purifying waste water |
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| CN108059232A true CN108059232A (en) | 2018-05-22 |
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| CN201711096677.XA Active CN107601645B (en) | 2017-11-09 | 2017-11-09 | A kind of catalyst oxidation reactor and its purification method purifying waste water |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108751380A (en) * | 2018-06-19 | 2018-11-06 | 怀化学院 | A kind of processing method of phase chromatography-use methanol waste water |
| CN111362336B (en) * | 2020-03-31 | 2021-02-26 | 南京大学 | Device for treating high-concentration organic wastewater by catalytic hydrothermal gasification |
| CN114229988B (en) * | 2021-12-28 | 2023-07-25 | 大连大学 | Catalytic oxidation reactor suitable for purifying printing and dyeing wastewater |
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| CN206109022U (en) * | 2016-09-12 | 2017-04-19 | 河北莫兰斯环境科技股份有限公司 | Cephalo pharmacy wastewater systems is handled in catalysis ozonization circulation |
| CN206188475U (en) * | 2016-11-08 | 2017-05-24 | 江门市三清环境技术工程有限公司 | Ozone oxidation reactor |
| CN107285524A (en) * | 2017-08-07 | 2017-10-24 | 北京化工大学 | A kind of efficient deeply treating wastewater method and device of coupling type heterogeneous catalysis ozone |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108059232B (en) | 2020-05-19 |
| CN107601645A (en) | 2018-01-19 |
| CN107601645B (en) | 2019-10-25 |
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