CN107649181A - The preparation and application of a kind of heterogeneous fenton catalyst of support type based on teflon-coated - Google Patents
The preparation and application of a kind of heterogeneous fenton catalyst of support type based on teflon-coated Download PDFInfo
- Publication number
- CN107649181A CN107649181A CN201710764785.3A CN201710764785A CN107649181A CN 107649181 A CN107649181 A CN 107649181A CN 201710764785 A CN201710764785 A CN 201710764785A CN 107649181 A CN107649181 A CN 107649181A
- Authority
- CN
- China
- Prior art keywords
- teflon
- support type
- type based
- coated
- catalyst
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000004809 Teflon Substances 0.000 title claims abstract description 18
- 229920006362 Teflon® Polymers 0.000 title claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 57
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 11
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 11
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000008187 granular material Substances 0.000 claims abstract description 7
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 7
- 238000001354 calcination Methods 0.000 claims abstract description 6
- 239000011259 mixed solution Substances 0.000 claims abstract description 6
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 claims description 22
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 230000003647 oxidation Effects 0.000 claims description 8
- 238000007254 oxidation reaction Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 229910021642 ultra pure water Inorganic materials 0.000 claims description 8
- 239000012498 ultrapure water Substances 0.000 claims description 8
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 239000005416 organic matter Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 238000001291 vacuum drying Methods 0.000 claims description 3
- 230000002363 herbicidal effect Effects 0.000 claims description 2
- 239000004009 herbicide Substances 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000001179 sorption measurement Methods 0.000 claims description 2
- 238000006555 catalytic reaction Methods 0.000 claims 1
- 239000006249 magnetic particle Substances 0.000 abstract description 12
- 230000002779 inactivation Effects 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 abstract 1
- 239000012299 nitrogen atmosphere Substances 0.000 abstract 1
- 230000015556 catabolic process Effects 0.000 description 9
- 230000003197 catalytic effect Effects 0.000 description 9
- 238000006731 degradation reaction Methods 0.000 description 9
- XMTQQYYKAHVGBJ-UHFFFAOYSA-N 3-(3,4-DICHLOROPHENYL)-1,1-DIMETHYLUREA Chemical compound CN(C)C(=O)NC1=CC=C(Cl)C(Cl)=C1 XMTQQYYKAHVGBJ-UHFFFAOYSA-N 0.000 description 8
- 239000005510 Diuron Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 6
- 239000002351 wastewater Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 244000025254 Cannabis sativa Species 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000006056 electrooxidation reaction Methods 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000002761 deinking Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000003863 metallic catalyst Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
- B01J31/28—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of the platinum group metals, iron group metals or copper
-
- B01J35/33—
-
- B01J35/398—
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0201—Impregnation
- B01J37/0203—Impregnation the impregnation liquid containing organic compounds
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0201—Impregnation
- B01J37/0205—Impregnation in several steps
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
- B01J37/082—Decomposition and pyrolysis
- B01J37/088—Decomposition of a metal salt
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
-
- 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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/026—Fenton's reagent
Abstract
The preparation and application of a kind of heterogeneous fenton catalyst of support type based on teflon-coated, belong to technical field of electrochemical water treatment.The present invention is using activated carbon granule as carrier, by impregnating absorption in molysite and nitric acid mixed solution, magnetic-particle is prepared in calcining under a nitrogen atmosphere, and parcel processing is carried out to it using polytetrafluoroethylene (PTFE) at it, catalyst efficiency high prepared by the method, it is easily recycled and can effectively slows down the inactivation of magnetic-particle in use, extends the service life of catalyst.
Description
Technical field
The present invention relates to technical field of electrochemical water treatment, and in particular to a kind of preparation method of coated magnetic-particle.
Background technology
Electric Fenton oxidation is widely used one kind in advanced electrochemical oxidation process, and it mainly utilizes Fe2+With
The H of negative electrode original position electro synthesis2O2Reaction produces the organic of the oxidation difficult degradation of the hydroxyl radical free radical non-selectivity with strong oxidizing property
Pollutant, there is the features such as degradation efficiency is high, and equipment is simple, environment-friendly.In grinding for electric Fenton technology degradable organic pollutant
In studying carefully, reaction solution needs to carry out acidification in advance and secondary pollution etc. caused by adding metallic catalyst be present to ask
Topic.
Heterogeneous electric Fenton technology overcomes in Fenton technology that applicable pH range is narrow, the shortcomings of easily causing secondary pollution,
Progressively turn into study hotspot, for heterogeneous electric Fenton technology, its one of core studied be prepare it is efficient, cheap, surely
Fixed catalyst.By preparing solid phase supported catalyst, out-phase electricity Fenton oxidation system is built, widens electrochemical oxidation technology
The scope of application.
Activated carbon has abundant internal voids and higher specific surface area, is the conventional sorbing material of water treatment field,
The present invention has cost cheap, the advantages of economizing on resources, and can preferably realized using activated carbon granule as magnetic-particle carrier
The recovery of magnetic-particle.The magnetic-particle prepared at present the leaching due to active component and inactivation in use, contract significantly
The short service life of magnetic-particle.The present invention is wrapped up the magnetic-particle of preparation using polytetrafluoroethylene (PTFE), improves magnetic
Property particle structural strength, limit the leaching of active component during use, slow down the inactivation of magnetic-particle, effectively extend
The service life of magnetic-particle.
The content of the invention
The purpose of the present invention aims to provide a kind of efficient and cheap using activated carbon as carrier, stable performance, service life length
Heterogeneous fenton catalyst, widen application, and recoverable.
A kind of preparation method of the heterogeneous fenton catalyst of support type based on teflon-coated, it is characterised in that
Comprise the following steps：
(1) activated carbon granule of the particle diameter in 2-3mm is embathed with ultra-pure water and acetone successively, removes the organic matter of attachment；
Then it is put into air dry oven and is dried for standby with the clean acetone of ultrapure water again；
(2) at ambient temperature, the activated carbon after step (1) is cleaned, the mixing of the ferric nitrate and nitric acid that are impregnated in
In solution, soak 4-16h in thermostat water bath, taking-up is put into air dry oven to be dried at 40 DEG C -60 DEG C, ferric nitrate with
The concentration of nitric acid is 2-4mol/L in the mixed solution of nitric acid, and the concentration of ferric nitrate is 0.1-0.4mol/L, mixed liquor volume
There is the ferric nitrate of remaining excess in solution with magnitude relation to cause activated carbon to iron adsorption saturation with activated carbon；
(3) activated carbon obtained in step (2) is put into Muffle furnace under nitrogen protection, at 500 DEG C -700 DEG C (preferably
600-700 DEG C) under calcine 0.5h-2h；
(4) by the activated carbon obtained in step (3) in polytetrafluoroethyl-ne aqueous solution, 15min-60min, solid-liquid point are impregnated
It is placed in 60 DEG C -80 DEG C of vacuum drying chamber and dries from after, obtains the heterogeneous Fenton of support type based on teflon-coated
The weight/mass percentage composition 10%-35% of catalyst, wherein polytetrafluoroethyl-ne aqueous solution.
The heterogeneous fenton catalyst of the support type based on teflon-coated prepared using the present invention, for being removed in water
The electrochemicial oxidation of careless agent, electrochemicial oxidation can be carried out in neutral conditions, there is excellent performance.
Compared with prior art, the present invention has following excellent effect
1. for the present invention using activated carbon as catalyst carrier, one side activated carbon is cheap and easy to get, and absorption property is good, is at water
Widely used material in reason；On the other hand, the carbon in activated carbon can be by ferric iron when oxygen-free environment high temperature is calcined
Reduction, is fixed on absorbent charcoal carrier, the recovery being easy to after catalyst use in the form of magnetic ferroferric oxide crystal.
2. nitric acid can optimize the pore structure of absorbent charcoal carrier in the present invention, the microcellular structure of activated carbon is set to be converted into Jie
Hole.
3. carrying out parcel processing to magnetic-particle using polytetrafluoroethylene (PTFE), it slow down the inactivation of active component and leached
Journey, improve the stability and persistence of catalyst.
4. the magnetic-particle after parcel processing has widened the pH scopes of electric Fenton oxidation technology, it is applied to herbicide enemy's grass
In the Study on degradation of grand waste water, the operational excellence under near-neutral sulfite deinking, reaction efficiency is high, and can repeatedly use.
Brief description of the drawings
Fig. 1 is that the activated carbon granule before the unused polytetrafluoroethylene (PTFE) coating that the step of embodiment 1 (3) obtains obtains electron-microscope scanning
Figure.
Fig. 2 is the electron-microscope scanning of the heterogeneous fenton catalyst particle of support type of the embodiment 1 based on teflon-coated
Figure.
Fig. 3 is the XRD results of the heterogeneous fenton catalyst particle of support type of the embodiment 1 based on teflon-coated
Figure.
Fig. 4 is the reuse of the heterogeneous fenton catalyst particle of support type of the embodiment 1 based on teflon-coated
Influence of the number to diuron degradation effect.
Fig. 5 is that influence of the number to diuron degradation effect is reused in non-coated catalytic agent.
Embodiment
Illustrated below in conjunction with the accompanying drawings with specific embodiment, but the present invention is not limited to following examples.
Embodiment 1
(1) activated carbon granule of the particle diameter in 2-3mm is embathed with ultra-pure water and acetone successively, removes the organic matter of attachment；
Then it is put into air dry oven and is dried for standby with the clean acetone of ultrapure water again.
(2) at ambient temperature, the activated carbon after a certain amount of cleaning is weighed, adds excessive 0.1mol/L ferric nitrate
With the mixed solution of 2mol/L nitric acid, it is put into thermostat water bath and soaks 12h, taking-up is put into air dry oven dries at 40 DEG C
It is dry.
(3) activated carbon in step (2) is put into Muffle furnace under nitrogen protection to 600 DEG C of calcining at constant temperature 0.5h, from
Taken out after being so cooled to room temperature.
(4) by the activated carbon in step (3) in the polytetrafluoroethylsolution solution that weight/mass percentage composition is 25%, dipping
0.5h, it is placed in 60 DEG C of vacuum drying chamber after separation of solid and liquid and dries.Coated catalytic agent is completed to prepare.
(5) the coated catalytic agent of above-mentioned preparation is applied in heterogeneous electric Fenton-like system, handles diuron waste water, should
The catalyst degradation 300mL concentration prepared in fashion described above is 10mg/L diuron waste water, anhydrous sodium sulfate as electrolyte,
Concentration is 0.05M.Catalyst amountses are 2g, and constant-current supply provides electric current 100mA, reaction solution adjustment pH to neutrallty condition,
During 120min, the degradation rate of diuron is more than 90%, and continuously operation 10 times, and catalyst still keeps stable.
Embodiment 2
Specific preparation process is with embodiment 1, but the weight/mass percentage composition of polytetrafluoroethylene (PTFE) is changed into 30% in step (4).
The coated catalytic agent of above-mentioned preparation is applied in heterogeneous electric Fenton-like system, handles diuron waste water, processing
For condition with embodiment 1, the degradation rate of diuron is 71.1%.
Embodiment 3
Specific preparation process is with embodiment 1, but calcining heat is changed into 500 DEG C in step (3), and calcination time is changed into 1h.
The coated catalytic agent of above-mentioned preparation is applied in heterogeneous electric Fenton-like system, treatment conditions are the same as embodiment 1, enemy
The grand degradation rate of grass is 87.1%.
Comparative example 1
(1) activated carbon granule of the particle diameter in 2-3mm is embathed with ultra-pure water and acetone successively, removes the organic matter of attachment；
Then it is put into air dry oven and is dried for standby with the clean acetone of ultrapure water again.
(2) at ambient temperature, by the activated carbon after cleaning, the mixing of excessive 0.1mol/L ferric nitrate and nitric acid
In solution, it is placed in thermostat water bath and soaks 12h, taking-up is put into air dry oven dries at 40 DEG C.
(3) activated carbon in step (2) is put into Muffle furnace under nitrogen protection in 600 DEG C of calcining at constant temperature 0.5h, from
Taken out after being so cooled to room temperature, complete the preparation of non-coated catalytic agent
(4) the non-coated catalytic agent of above-mentioned preparation is applied in heterogeneous electric Fenton-like system, handles diuron waste water,
Treatment conditions have declined with embodiment 1, the catalytic effect of continuous 10 non-coated catalytic agent afterwards of operation.
Claims (9)
- A kind of 1. preparation method of the heterogeneous fenton catalyst of support type based on teflon-coated, it is characterised in that bag Include following steps：(1) activated carbon granule of the particle diameter in 2-3mm is embathed with ultra-pure water and acetone successively, removes the organic matter of attachment；Then Again with the clean acetone of ultrapure water, it is put into air dry oven and is dried for standby；(2) at ambient temperature, the activated carbon after step (1) is cleaned, the ferric nitrate and the mixed solution of nitric acid being impregnated in In, 4-16h is soaked in thermostat water bath, taking-up is put into air dry oven to be dried at 40 DEG C -60 DEG C；(3) activated carbon obtained in step (2) is put into Muffle furnace under nitrogen protection, calcined at 500 DEG C -700 DEG C 0.5h-2h；(4) by the activated carbon obtained in step (3) in polytetrafluoroethyl-ne aqueous solution, 15min-60min is impregnated, after separation of solid and liquid It is placed in 60 DEG C -80 DEG C of vacuum drying chamber and dries, obtains the heterogeneous Fenton catalysis of support type based on teflon-coated Agent.
- 2. according to a kind of preparation of the heterogeneous fenton catalyst of support type based on teflon-coated described in claim 1 Method, it is characterised in that the magnitude relation of using of step (2) ferric nitrate and nitric acid mixed liquor volume and activated carbon is to cause activated carbon To iron adsorption saturation, there is remaining ferric nitrate in mixed solution.
- 3. according to a kind of preparation of the heterogeneous fenton catalyst of support type based on teflon-coated described in claim 1 Method, it is characterised in that the concentration of nitric acid is 2-4mol/L in the mixed solution of step (2) ferric nitrate and nitric acid, ferric nitrate Concentration is 0.1-0.4mol/L.
- 4. according to a kind of preparation of the heterogeneous fenton catalyst of support type based on teflon-coated described in claim 1 Method, it is characterised in that step (3) calcining heat is 600-700 DEG C.
- 5. according to a kind of preparation of the heterogeneous fenton catalyst of support type based on teflon-coated described in claim 1 Method, it is characterised in that the weight/mass percentage composition of polytetrafluoroethyl-ne aqueous solution is 10%-35%.
- 6. according to a kind of preparation of the heterogeneous fenton catalyst of support type based on teflon-coated described in claim 1 Method, it is characterised in that the weight/mass percentage composition of the preferably polytetrafluoroethylene aqueous solution is 10%-25%.
- 7. the heterogeneous Fenton of the support type based on teflon-coated being prepared according to any one of claim 1-6 method Catalyst.
- 8. the heterogeneous Fenton of the support type based on teflon-coated being prepared according to any one of claim 1-6 method The application of catalyst, the electrochemicial oxidation for herbicide in water.
- 9. according to the application of claim 8, it is characterised in that carry out electrochemicial oxidation in neutral conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710764785.3A CN107649181A (en) | 2017-08-30 | 2017-08-30 | The preparation and application of a kind of heterogeneous fenton catalyst of support type based on teflon-coated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710764785.3A CN107649181A (en) | 2017-08-30 | 2017-08-30 | The preparation and application of a kind of heterogeneous fenton catalyst of support type based on teflon-coated |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107649181A true CN107649181A (en) | 2018-02-02 |
Family
ID=61128089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710764785.3A Pending CN107649181A (en) | 2017-08-30 | 2017-08-30 | The preparation and application of a kind of heterogeneous fenton catalyst of support type based on teflon-coated |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107649181A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109513441A (en) * | 2018-11-12 | 2019-03-26 | 北京工业大学 | A kind of preparation of the solid phase coated bimetallic catalyst applied to heterogeneous Fenton |
| CN110180598A (en) * | 2019-06-06 | 2019-08-30 | 北京工业大学 | A kind of preparation method of efficiently heterogeneous electric Fenton magnetism wrapped film catalyst |
| CN111841658A (en) * | 2020-08-14 | 2020-10-30 | 上海组波智能仪器科技有限公司 | Porous plastic heterogeneous catalyst carrier and preparation method and application thereof |
| CN111905836A (en) * | 2020-08-14 | 2020-11-10 | 上海组波智能仪器科技有限公司 | Porous plastic chemical reagent carrier and preparation method and application thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102228832A (en) * | 2011-05-06 | 2011-11-02 | 重庆理工大学 | Preparation method of solid acid Fenton catalyst for processing methyl orange waste water |
| CN105417638A (en) * | 2015-11-13 | 2016-03-23 | 中国科学院宁波材料技术与工程研究所 | Heterogeneous electric Fenton system and preparation and application thereof |
| CN105668708A (en) * | 2016-03-24 | 2016-06-15 | 大连海事大学 | Magnetic Fe3O4 particle coupled electro-Fenton reactor and treatment method for carrying out distributed sewage reuse by using this reactor |
| CN205472811U (en) * | 2016-03-24 | 2016-08-17 | 大连海事大学 | Magnetism fe3O4 granule coupling electro -fenton reactor |
| CN106040244A (en) * | 2016-06-01 | 2016-10-26 | 中国科学院过程工程研究所 | Supported solid catalyst for Fenton reaction and preparing method thereof |
| CN106587277A (en) * | 2016-12-05 | 2017-04-26 | 南京理工大学 | Carbon black-nanometer iron oxide/polytetrafluoroethylene heterogeneous tubular membrane electrode |
-
2017
- 2017-08-30 CN CN201710764785.3A patent/CN107649181A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102228832A (en) * | 2011-05-06 | 2011-11-02 | 重庆理工大学 | Preparation method of solid acid Fenton catalyst for processing methyl orange waste water |
| CN105417638A (en) * | 2015-11-13 | 2016-03-23 | 中国科学院宁波材料技术与工程研究所 | Heterogeneous electric Fenton system and preparation and application thereof |
| CN105668708A (en) * | 2016-03-24 | 2016-06-15 | 大连海事大学 | Magnetic Fe3O4 particle coupled electro-Fenton reactor and treatment method for carrying out distributed sewage reuse by using this reactor |
| CN205472811U (en) * | 2016-03-24 | 2016-08-17 | 大连海事大学 | Magnetism fe3O4 granule coupling electro -fenton reactor |
| CN106040244A (en) * | 2016-06-01 | 2016-10-26 | 中国科学院过程工程研究所 | Supported solid catalyst for Fenton reaction and preparing method thereof |
| CN106587277A (en) * | 2016-12-05 | 2017-04-26 | 南京理工大学 | Carbon black-nanometer iron oxide/polytetrafluoroethylene heterogeneous tubular membrane electrode |
Non-Patent Citations (3)
| Title |
|---|
| CHAO ZHANG ET AL.: ""Modified iron-carbon as heterogeneous electro-Fenton catalyst for organic pollution degradation in near neutral pH condition：Characterization, degradation activity and stability"", 《ELECTROCHIMICA ACTA》 * |
| FERNANDO MARTÍNEZ ET AL.: ""Influence of preoxidizing treatments on the preparation of iron-containing activated carbons for catalytic wet peroxide oxidation of phenol"", 《JOURNAL OF CHEMICAL TECHNOLOGY & BIOTECHNOLOGY》 * |
| 高超: ""磁性Fe3O4纳米颗粒催化电Fenton降解模拟染料废水的研究"", 《中国优秀硕士学位论文全文数据库工程科技I辑》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109513441A (en) * | 2018-11-12 | 2019-03-26 | 北京工业大学 | A kind of preparation of the solid phase coated bimetallic catalyst applied to heterogeneous Fenton |
| CN110180598A (en) * | 2019-06-06 | 2019-08-30 | 北京工业大学 | A kind of preparation method of efficiently heterogeneous electric Fenton magnetism wrapped film catalyst |
| CN111841658A (en) * | 2020-08-14 | 2020-10-30 | 上海组波智能仪器科技有限公司 | Porous plastic heterogeneous catalyst carrier and preparation method and application thereof |
| CN111905836A (en) * | 2020-08-14 | 2020-11-10 | 上海组波智能仪器科技有限公司 | Porous plastic chemical reagent carrier and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107649181A (en) | The preparation and application of a kind of heterogeneous fenton catalyst of support type based on teflon-coated | |
| CN104009242B (en) | The porous carbon network structure material preparation method of the N doping of a kind of fuel battery cathod catalyst metal/metal oxide load | |
| CN109894115A (en) | A kind of preparation method of the modified active carbon catalyst for the processing of class Fenton | |
| CN113113615B (en) | NiFe-LDH/Co-CNTs nano composite material and preparation method and application thereof | |
| CN106981644A (en) | A kind of porous carbon based on biomass/sulphur composite material and preparation method thereof and its application | |
| CN105552282A (en) | Lithium-sulfur battery based on functional carbon fiber cloth as positive electrode barrier layer | |
| CN104289242B (en) | Preparation method for the high graphitization degree carbon base catalyst of fuel battery negative pole | |
| CN109513441A (en) | A kind of preparation of the solid phase coated bimetallic catalyst applied to heterogeneous Fenton | |
| CN104715936B (en) | A kind of classifying porous carbon electrode material and preparation method for ultracapacitor | |
| CN106887566A (en) | A kind of method that agaric that is carbonized prepares carbon material or lithium sulfur battery anode material | |
| CN103708587A (en) | Preparation method of composite electrode for removing arsenic in water based on electro-adsorption and method for removing arsenic | |
| CN113707893B (en) | Carbon-based electrocatalyst prepared from waste lithium iron phosphate battery positive electrode material and preparation method and application thereof | |
| CN107665777A (en) | A kind of preparation method of biomass-based active carbon electrode material | |
| CN104607227A (en) | Preparation method for alpha-Fe2O3 mesoporous nanosheet/nitrogen-doped graphene composite material | |
| CN103990452A (en) | Catalyst and catalyst carrier for deep treatment of waste water and preparation methods of catalyst and catalyst carrier | |
| CN104607228A (en) | Preparation method for alpha-Fe2O3 quantum dot/nitrogen-doped graphene composite material | |
| CN105977434A (en) | Spherical hollow cerium oxide modified diaphragm for lithium-sulfur battery and preparation method thereof as well as lithium-sulfur battery with diaphragm | |
| CN109346332A (en) | Lithium ion mixed capacitor and preparation method thereof based on alginic acid cross-linked structure | |
| CN114772653A (en) | Nitrogen-doped hollow cobaltosic oxide and preparation method and application thereof | |
| CN102489318A (en) | Preparation method for porous nano p-CuS/n-CdS compound semiconductor photochemical catalyst | |
| CN105013500A (en) | Heterogeneous Fenton catalyst for degrading azo dye wastewater as well as preparation method and application of heterogeneous Fenton catalyst | |
| CN113441142B (en) | Preparation method and application of oxygen vacancy-rich graphene-loaded porous nano ferroelectric oxide catalyst | |
| CN104843800A (en) | Solvothermal preparation method for carbon-coated ferriferrous oxide negative electrode material | |
| CN113578302A (en) | Preparation method of carbon-based catalyst for advanced oxidation of water treatment | |
| CN103223329A (en) | Method of preparing activated carbon containing iron by using microwave |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180202 |
|
| RJ01 | Rejection of invention patent application after publication |