CN112808307A - Anti-pollution three-dimensional electro-catalytic filler - Google Patents
Anti-pollution three-dimensional electro-catalytic filler Download PDFInfo
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- CN112808307A CN112808307A CN202011548472.2A CN202011548472A CN112808307A CN 112808307 A CN112808307 A CN 112808307A CN 202011548472 A CN202011548472 A CN 202011548472A CN 112808307 A CN112808307 A CN 112808307A
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- pollution
- filler
- electrocatalytic
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- polyvinylidene fluoride
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- 239000000945 filler Substances 0.000 title claims abstract description 37
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 51
- QSJXEFYPDANLFS-UHFFFAOYSA-N Diacetyl Chemical compound CC(=O)C(C)=O QSJXEFYPDANLFS-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 24
- 239000003054 catalyst Substances 0.000 claims abstract description 23
- 239000002033 PVDF binder Substances 0.000 claims abstract description 21
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims abstract description 21
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 230000003373 anti-fouling effect Effects 0.000 claims description 2
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 abstract description 7
- 239000003344 environmental pollutant Substances 0.000 abstract description 6
- 231100000719 pollutant Toxicity 0.000 abstract description 6
- 238000004065 wastewater treatment Methods 0.000 abstract description 5
- 230000004048 modification Effects 0.000 abstract description 4
- 238000012986 modification Methods 0.000 abstract description 4
- 230000003197 catalytic effect Effects 0.000 abstract description 2
- 230000000593 degrading effect Effects 0.000 abstract description 2
- 150000001491 aromatic compounds Chemical class 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 208000005623 Carcinogenesis Diseases 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 208000031320 Teratogenesis Diseases 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- 150000001492 aromatic hydrocarbon derivatives Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000036952 cancer formation Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000504 carcinogenesis Toxicity 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 238000002290 gas chromatography-mass spectrometry Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- -1 monocyclic aromatic hydrocarbons Chemical class 0.000 description 1
- 238000002703 mutagenesis Methods 0.000 description 1
- 231100000350 mutagenesis Toxicity 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000008096 xylene Substances 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
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/06—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/33—Electric or magnetic properties
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
-
- 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
- C02F2101/32—Hydrocarbons, e.g. oil
-
- 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
- C02F2101/32—Hydrocarbons, e.g. oil
- C02F2101/327—Polyaromatic Hydrocarbons [PAH's]
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Catalysts (AREA)
- Carbon And Carbon Compounds (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to the technical field of electrocatalytic fillers, and discloses an anti-pollution three-dimensional electrocatalytic filler, which comprises polyvinylidene fluoride, butanedione, N-dimethylacetamide, graphene, graphite powder and a carbon-based catalyst; the electrocatalytic filler further performs surface modification by combining the excellent pollution resistance of the polyvinylidene fluoride and the carbon-based catalytic filler, so that the aims of efficiently resisting pollution and effectively degrading the polycyclic aromatic hydrocarbon are fulfilled; and the pollution-resistant three-dimensional electro-catalytic filler after wastewater treatment has few attached pollutants, the equipment is not easy to block, and the treatment efficiency of the equipment is improved.
Description
Technical Field
The invention relates to the technical field of electrocatalytic fillers, in particular to an anti-pollution three-dimensional electrocatalytic filler.
Background
Aromatic compounds are widely used in the fields of petrochemical industry, material manufacturing, medicament manufacturing and the like, and industrial wastewater containing aromatic compounds is inevitably generated in the production process. The aromatic compounds have the characteristics of carcinogenesis, teratogenesis and mutagenesis, and have great potential hazards to ecological environment, living beings and human health, and most of aromatic hydrocarbon derivatives (benzene, toluene, xylene, ethylbenzene and the like) easily penetrate through soil and enter underground water due to low polarity and high hydrophobicity, and are likely to further accumulate to a high concentration level due to the special environmental conditions of the underground water, so that the aromatic compounds become a group of high-risk pollutants. Fused ring aromatic hydrocarbons are more biologically toxic, have high chemical stability, are generally semi-volatile or non-volatile compounds, cannot be biodegraded, and have carcinogenic effects.
The electrocatalytic filler is widely applied to the chemical industry and the water treatment industry, and the excellent performance of the electrocatalytic filler is approved. However, the contact surface of the catalyst and the reactant is often polluted by reaction products, by-products and impurities, so that the reaction rate is reduced, the equipment is blocked, frequent cleaning is performed, and the treatment efficiency of the equipment is reduced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an anti-pollution three-dimensional electro-catalytic filler, which further performs surface modification by combining the excellent anti-pollution property of polyvinylidene fluoride with a carbon-based catalytic filler, and achieves the aims of high-efficiency anti-pollution and effective degradation of polycyclic aromatic hydrocarbon; and the pollution-resistant three-dimensional electro-catalytic filler after wastewater treatment has few attached pollutants, the equipment is not easy to block, and the treatment efficiency of the equipment is improved.
In order to achieve the above purpose, the invention provides the following technical scheme:
an anti-pollution three-dimensional electro-catalytic filler comprises polyvinylidene fluoride, butanedione, N-dimethylacetamide, graphene, graphite powder and a carbon-based catalyst.
Wherein, N, N-dimethylacetamide is used as a solvent, and the other components are welded or suspended in the solvent; the weight ratio of the N, N-dimethylacetamide to the carbon-based catalyst is 5: 1; the carbon-based catalyst is a porous material of carbon and is in the shape of columnar particles.
Preferably, based on the carbon-based catalyst, the weight percentages of the rest components are as follows: 0.5% of polyvinylidene fluoride, 1% of butanedione, 0.1% of graphene and 5% of graphite powder.
Preferably, the polyvinylidene fluoride is dried for 24 hours before use.
Preferably, the graphite powder has a particle size of 40 mesh.
A preparation method of an anti-pollution three-dimensional electrocatalytic filler comprises the following steps:
1) mixing N, N-dimethylacetamide with graphite powder and graphene, stirring, adding polyvinylidene fluoride, continuously stirring, slowly adding a trace amount of butanedione, and continuously stirring;
2) finally, putting a carbon-based catalyst, soaking and continuously stirring;
3) heating, filtering to obtain filter residue, and drying the filter residue to obtain the electrocatalytic filler.
Excellent pollution resistance of polyvinylidene fluoride is combined with a carbon-based catalyst to further carry out surface modification, so that the aims of high-efficiency pollution resistance and effective degradation of polycyclic aromatic hydrocarbon are fulfilled; polyvinylidene fluoride is a recognized anti-pollution and anti-corrosion material, and a carbon-based catalyst is introduced to increase the corrosion resistance of the carbon-based catalyst.
Preferably, the method comprises the following steps:
1) mixing N, N-dimethylacetamide with graphite powder and graphene, stirring for 3 hours, adding polyvinylidene fluoride, stirring for 10 hours at 70 ℃, slowly adding a trace amount of butanedione, and continuously stirring for 10 hours;
2) adding a carbon-based catalyst, soaking, and continuously stirring for 10 hours;
3) heating to 80 ℃, filtering to obtain solid, continuously keeping the temperature at 80 ℃, and drying for 5 hours to obtain the electrocatalytic filler.
Compared with the prior art, the invention has the beneficial effects that:
the anti-pollution three-dimensional electro-catalytic filler improves the hydrophilicity by means of the interaction of hydrogen bonds, static electricity and the like with polyvinylidene fluoride, presents good pollutant separability, and has the performance of resisting biological pollution, and the modified catalyst can efficiently degrade macromolecular organic matters such as polycyclic aromatic hydrocarbon and the like; the pollution-resistant three-dimensional electro-catalytic filler after wastewater treatment has few attached pollutants, equipment is not easy to block, and the treatment efficiency of the equipment is improved.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the embodiment. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The raw materials used in the invention can be purchased from the market.
Example 1
An anti-fouling three-dimensional electrocatalytic filler:
taking N, N-dimethylacetamide as a solvent, and fusing or suspending polyvinylidene fluoride, butanedione, graphene, graphite powder and a carbon-based catalyst in the solvent; the weight ratio of the N, N-dimethylacetamide to the carbon-based catalyst is 5: 1; based on the carbon-based catalyst, the weight percentages of the rest components and the carbon-based catalyst are as follows: 0.5% of polyvinylidene fluoride, 1% of butanedione, 0.1% of graphene and 5% of graphite powder;
wherein, the polyvinylidene fluoride is dried for 24 hours before use, and the particle size of the graphite powder is 40 meshes.
The preparation method of the anti-pollution three-dimensional electrocatalytic filler comprises the following steps:
1) mixing N, N-dimethylacetamide with graphite powder and graphene, stirring for 3 hours, adding polyvinylidene fluoride, stirring for 10 hours at 70 ℃, slowly adding a trace amount of butanedione, and continuously stirring for 10 hours;
2) adding a carbon-based catalyst, soaking, and continuously stirring for 10 hours;
3) heating to 80 ℃, filtering to obtain solid, continuously keeping the temperature at 80 ℃, and drying for 5 hours to obtain the electrocatalytic filler.
The anti-pollution three-dimensional electro-catalytic filler further performs surface modification by combining excellent anti-pollution performance of polyvinylidene fluoride with a carbon-based catalyst, and achieves the purposes of high-efficiency anti-pollution and effective degradation of polycyclic aromatic hydrocarbon.
And (3) testing: anthraquinone and naphthalene dye synthetic wastewater is taken and subjected to performance test by gas chromatography, and the test results are detailed in table 1.
TABLE 1
Note: the data are extracted from the raw wastewater and the effluent gas chromatography-mass spectrometry detection data after wastewater treatment.
As can be seen from Table 1: the wastewater contains a large amount of organic compounds with large molecular weight, such as polycyclic aromatic hydrocarbons, biphenyl, complex branched chain compounds and the like, and after being treated by the anti-pollution three-dimensional electrocatalytic filler, the organic compounds are effectively decomposed into small molecular compounds with monocyclic aromatic hydrocarbons and simple branched chains, so that the aims of efficiently resisting pollution and effectively degrading the polycyclic aromatic hydrocarbons are fulfilled; and the pollution-resistant three-dimensional electro-catalytic filler after the wastewater treatment is checked, the pollutants are rarely attached to the filler, and the filler has good pollution resistance and corrosion resistance.
The invention is not limited to the specific embodiments described above, but extends to any novel feature or any novel combination of features disclosed herein, or to any novel method or process steps, or any novel combination of steps, which are disclosed.
Claims (7)
1. An anti-pollution three-dimensional electro-catalytic filler is characterized by comprising polyvinylidene fluoride, butanedione, N-dimethylacetamide, graphene, graphite powder and a carbon-based catalyst.
2. The anti-pollution three-dimensional electrocatalytic filler according to claim 1, wherein N, N-dimethylacetamide is a solvent, and the rest components are welded or suspended in the solvent; the weight ratio of the N, N-dimethylacetamide to the carbon-based catalyst is 5: 1.
3. The anti-pollution three-dimensional electrocatalytic filler according to claim 2, wherein the weight percentages of the remaining components based on the carbon-based catalyst are as follows: 0.5% of polyvinylidene fluoride, 1% of butanedione, 0.1% of graphene and 5% of graphite powder.
4. The anti-fouling three-dimensional electrocatalytic filler as set forth in claim 1, wherein said polyvinylidene fluoride is dried for 24 hours before use.
5. The anti-pollution three-dimensional electrocatalytic filler as claimed in claim 1, wherein the graphite powder has a particle size of 40 mesh.
6. The method for preparing the anti-pollution three-dimensional electro-catalytic filler according to any one of claims 1 to 5, wherein the method comprises the following steps: 1) mixing N, N-dimethylacetamide with graphite powder and graphene, stirring, adding polyvinylidene fluoride, continuously stirring, slowly adding a trace amount of butanedione, and continuously stirring;
2) finally, putting a carbon-based catalyst, soaking and continuously stirring;
3) heating, filtering to obtain filter residue, and drying the filter residue to obtain the electrocatalytic filler.
7. The method for preparing the anti-pollution three-dimensional electro-catalytic filler according to claim 6, which comprises the following steps: 1) mixing N, N-dimethylacetamide with graphite powder and graphene, stirring for 3 hours, adding polyvinylidene fluoride, stirring for 10 hours at 70 ℃, slowly adding a trace amount of butanedione, and continuously stirring for 10 hours; 2) adding a carbon-based catalyst, soaking, and continuously stirring for 10 hours;
3) heating to 80 ℃, filtering to obtain solid, continuously keeping the temperature at 80 ℃, and drying for 5 hours to obtain the electrocatalytic filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011548472.2A CN112808307A (en) | 2020-12-24 | 2020-12-24 | Anti-pollution three-dimensional electro-catalytic filler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011548472.2A CN112808307A (en) | 2020-12-24 | 2020-12-24 | Anti-pollution three-dimensional electro-catalytic filler |
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| Publication Number | Publication Date |
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| CN112808307A true CN112808307A (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011548472.2A Pending CN112808307A (en) | 2020-12-24 | 2020-12-24 | Anti-pollution three-dimensional electro-catalytic filler |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179189A (en) * | 2011-04-01 | 2011-09-14 | 河北科技大学 | Preparation method of pollution-resisting polyvinylidene fluoride ultrafiltration membrane |
| US20140183054A1 (en) * | 2011-06-06 | 2014-07-03 | Axine Water Technologies, Inc. | Efficient treatment of wastewater using electrochemical cell |
| CN107349802A (en) * | 2017-07-04 | 2017-11-17 | 联合环境技术（厦门）有限公司 | A kind of reinforced graphene is modified PVDF hollow-fibre membranes and preparation method thereof |
-
2020
- 2020-12-24 CN CN202011548472.2A patent/CN112808307A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179189A (en) * | 2011-04-01 | 2011-09-14 | 河北科技大学 | Preparation method of pollution-resisting polyvinylidene fluoride ultrafiltration membrane |
| US20140183054A1 (en) * | 2011-06-06 | 2014-07-03 | Axine Water Technologies, Inc. | Efficient treatment of wastewater using electrochemical cell |
| CN107349802A (en) * | 2017-07-04 | 2017-11-17 | 联合环境技术（厦门）有限公司 | A kind of reinforced graphene is modified PVDF hollow-fibre membranes and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 刘倩钰等: "粉末活性炭改性聚偏氟乙烯超滤膜的制备及性能", 《科学技术与工程》 * |
| 魏朝成等: "粉末活性炭预沉积强化超滤膜处理微污染水的效应研究", 《矿业科学学报》 * |
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Application publication date: 20210518 |