CN109622068A - A kind of preparation method and applications for the load cobalt graphene aerogel composite catalyst that can efficiently activate persulfate - Google Patents
A kind of preparation method and applications for the load cobalt graphene aerogel composite catalyst that can efficiently activate persulfate Download PDFInfo
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- CN109622068A CN109622068A CN201910008579.9A CN201910008579A CN109622068A CN 109622068 A CN109622068 A CN 109622068A CN 201910008579 A CN201910008579 A CN 201910008579A CN 109622068 A CN109622068 A CN 109622068A
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- composite catalyst
- aerogel composite
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- graphene aerogel
- graphene
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 73
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 64
- 239000002131 composite material Substances 0.000 title claims abstract description 38
- 239000004964 aerogel Substances 0.000 title claims abstract description 35
- 229910017052 cobalt Inorganic materials 0.000 title claims abstract description 35
- 239000010941 cobalt Substances 0.000 title claims abstract description 35
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 239000003054 catalyst Substances 0.000 title claims abstract description 33
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 title claims abstract description 15
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims abstract description 22
- 238000006731 degradation reaction Methods 0.000 claims abstract description 19
- 239000002351 wastewater Substances 0.000 claims abstract description 14
- 230000015556 catabolic process Effects 0.000 claims abstract description 12
- 229960005070 ascorbic acid Drugs 0.000 claims abstract description 11
- 235000010323 ascorbic acid Nutrition 0.000 claims abstract description 11
- 239000011668 ascorbic acid Substances 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 229910021580 Cobalt(II) chloride Inorganic materials 0.000 claims abstract description 9
- 238000001125 extrusion Methods 0.000 claims abstract description 7
- 238000004064 recycling Methods 0.000 claims abstract description 7
- 229940079593 drug Drugs 0.000 claims abstract description 5
- 239000003814 drug Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- FDDDEECHVMSUSB-UHFFFAOYSA-N sulfanilamide Chemical compound NC1=CC=C(S(N)(=O)=O)C=C1 FDDDEECHVMSUSB-UHFFFAOYSA-N 0.000 claims description 20
- 229940124530 sulfonamide Drugs 0.000 claims description 20
- 229910001868 water Inorganic materials 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 15
- 239000006185 dispersion Substances 0.000 claims description 10
- 239000008367 deionised water Substances 0.000 claims description 9
- 229910021641 deionized water Inorganic materials 0.000 claims description 9
- 238000000502 dialysis Methods 0.000 claims description 9
- 239000000017 hydrogel Substances 0.000 claims description 9
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 9
- 229910021382 natural graphite Inorganic materials 0.000 claims description 9
- 238000004321 preservation Methods 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 150000003839 salts Chemical class 0.000 claims description 8
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 7
- 235000019394 potassium persulphate Nutrition 0.000 claims description 7
- 230000006872 improvement Effects 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 238000004090 dissolution Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000004913 activation Effects 0.000 abstract description 4
- 230000009849 deactivation Effects 0.000 abstract description 3
- 229910021645 metal ion Inorganic materials 0.000 abstract description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 description 7
- 230000008901 benefit Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000445 field-emission scanning electron microscopy Methods 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000003918 potentiometric titration Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 229910001428 transition metal ion Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 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
- B01J31/38—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of titanium, zirconium or hafnium
-
- 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
- B01J35/20—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state
- B01J35/23—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state in a colloidal state
-
- 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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/40—Organic compounds containing sulfur
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
Abstract
The invention discloses the preparation method and applications that one kind can efficiently activate the load cobalt graphene aerogel composite catalyst of persulfate, utilize graphite oxide powder, CoCl2It is that raw material preparation carries cobalt graphene aerogel composite catalyst, and is used in activation persulfate degradation sulfa drugs waste water research with ascorbic acid.The load cobalt graphene aerogel composite catalyst recycles performance with stable, and the separation and recovery and repeated recycling utilize of composite catalyst can be realized by simple fashion of extrusion, effectively prevents secondary pollution and deactivation prob caused by metal ion is lost.
Description
Technical field
The invention belongs to the synthesis technical fields of composite catalyzing material, and in particular to one kind can efficiently activate persulfate
Load cobalt graphene aerogel composite catalyst preparation method and applications.
Background technique
Based on potentiometric titrations (SO4-.) high-level oxidation technology (Oxone) be a kind of processing developed in recent years
The new technique of persistent organic pollutants, it is main to be generated by activation persulfate (PS).SO4-.(half-life period is service life
4s) compared with.OH long (generally below 1 μ s), standard oxidationreduction potential (2.5-3.1V) with.OH is suitable (2.8V), oxidant dissolubility
It is good and not volatile, it is easier to be reacted by electronics transfer mode with organic pollutant, be shown under neutral or basic conditions
Than.The higher activity of OH.Relative to other traditional water treatment technologies, it is based on SO4-.High-level oxidation technology have efficiently, quickly,
Thoroughly, the advantages that small and reaction condition of selectivity is mild, thus it is widely used in environmental pollution reparation and improvement field.Transition
Metal Fe3+、Zn2+、Co2+Persulfate can be activated and generate a large amount of active, oxidabilities by force and the SO of non-selectivity4-.Free radical,
It is CO by the organic pollution materials exhaustive oxidation in water body2、H2O and inorganic salts.
However, these transition metal ions residual be easy to cause secondary pollution in water.How effective catalytic activation mistake
Sulfate, and secondary pollution is avoided, it is always a bottleneck problem of the technical field.Graphene aerogel emerging in recent years
Material not only remains the unique PhotoelectrocatalytiPerformance Performance of graphene, also has special mechanical property, being capable of repetitive cycling benefit
With being considered the ideal carrier of catalyst by material circle.Therefore, the present invention utilizes graphite oxide powder, CoCl2It is with ascorbic acid
Raw material preparation carries cobalt graphene aerogel composite catalyst, and is used for activation persulfate degradation sulfa drugs waste water and grinds
In studying carefully.The composite catalyst recycles performance with stable, and the separation time of catalyst can be realized by simply squeezing
It receives, effectively prevents secondary pollution and deactivation prob caused by metal ion is lost.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of load cobalt graphene airsettings that can efficiently activate persulfate
The preparation method of glue composite catalyst, this method cobalt graphene aerogel composite catalyst obtained that carries can efficiently activate over cure
Hydrochlorate removes the sulfanilamide (SN) meta-methoxy pyrimidine in water removal, and point of composite catalyst can be easily realized by simple fashion of extrusion
From recycling, secondary pollution and deactivation prob caused by metal ion is lost are effectively prevented.
The present invention adopts the following technical scheme that solve above-mentioned technical problem, a kind of load that can efficiently activate persulfate
The preparation method of cobalt graphene aerogel composite catalyst, it is characterised in that specific steps are as follows: use improved Hummers first
Method prepares graphene oxide by raw material of natural graphite powder；Graphene oxide is dispersed in 30mL deionized water and obtains concentration
For the graphene oxide dispersion of 2-10mg/mL, 0.16mmol ascorbic acid and 0.15-0.36mmol CoCl are added2And it stirs
It mixes to dissolution completely, solution is transferred in hydrothermal reaction kettle in 180 DEG C of heat preservation 3h, then cools to room temperature to obtain hydrogel,
It is freeze-dried after dialysis treatment up to the whole blocky load cobalt graphene aerogel composite catalyst of macroscopic view.
The load cobalt graphene aerogel composite catalyst of the present invention that persulfate can efficiently be activated is in depth
Manage the application in difficult for biological degradation drug waste water, it is characterised in that detailed process are as follows: improved Hummers method is used first, with
Natural graphite powder is that raw material prepares graphene oxide；It is 6mg/ that graphene oxide, which is dispersed in 30mL deionized water, and obtains concentration
The graphene oxide dispersion of mL adds 0.16mmol ascorbic acid and 0.3mmol CoCl2And stir to dissolving completely, it will
Solution is transferred in hydrothermal reaction kettle in 180 DEG C of heat preservation 3h, is then cooled to room temperature to obtain hydrogel, be freezed after dialysis treatment
It is drying to obtain macroscopical whole blocky load cobalt graphene aerogel composite catalyst, it is under normal temperature and pressure conditions, anti-by 180min
It answers, which activates potassium peroxydisulfate complex salt to 15mg/L sulfanilamide (SN) meta-methoxy pyrimidine wastewater
Degradation rate be 67%, wherein carry cobalt graphene aerogel composite catalyst do not had deformation, machine by water impact in degradation process
Tool stability is good, carries cobalt graphene aerogel composite catalyst by fashion of extrusion and excludes repeated recycling utilize after its Interstitial Water.
Compared with the prior art, the invention has the following beneficial effects: the present invention is prepared using one kettle way is easily recycled benefit
Load cobalt graphene aerogel composite catalyst, catalytic performance is good, can efficiently activate persulfate at normal temperatures and pressures
Degrade sulfanilamide (SN) meta-methoxy pyrimidine wastewater, have many advantages, such as stabilization, it is efficient, can be applied to the depth of difficult for biological degradation drug waste water
Degree processing, has preferable market application prospect.
Detailed description of the invention
Fig. 1 is the FESEM figure and distribution diagram of element obtained for carrying cobalt graphene aerogel composite catalyst of embodiment 4,
In (a) and (b) be the FESEM figure for carrying cobalt graphene aerogel composite catalyst, be (c) load cobalt graphene aerogel composite catalyzing
The distribution diagram of element of agent.
Specific embodiment
Above content of the invention is described in further details by the following examples, but this should not be interpreted as to this
The range for inventing above-mentioned theme is only limitted to embodiment below.All technologies realized based on above content of the present invention belong to this hair
Bright range.
Embodiment 1
Drop of the 30mg/L Oxone solution to the sulfanilamide (SN) meta-methoxy pyrimidine wastewater 100min of 15mg/L under normal temperature and pressure conditions
Solving efficiency is 1.21%.
Embodiment 2
Improved Hummers method is used first, prepares graphene oxide by raw material of natural graphite powder；Graphene oxide is dispersed
Obtained in 30mL deionized water concentration be 6mg/mL graphene oxide dispersion, add 0.16mmol ascorbic acid and
0.03mmol CoCl2And stir to dissolving completely, solution is transferred in hydrothermal reaction kettle in 180 DEG C of heat preservation 3h, is then cooled down
Hydrogel is obtained to room temperature, is freeze-dried after dialysis treatment up to the whole blocky load cobalt graphene aerogel composite catalyzing of macroscopic view
Agent.Under normal temperature and pressure conditions, it is reacted by 180min, it is multiple which activates potassium peroxydisulfate
Closing salt is 42% to the degradation rate of 15mg/L sulfanilamide (SN) meta-methoxy pyrimidine wastewater, wherein carrying cobalt graphene aerogel composite catalyst
It can slightly be become broken by water impact in degradation process, mechanical stability is to be improved.
Embodiment 3
Improved Hummers method is used first, prepares graphene oxide by raw material of natural graphite powder；Graphene oxide is dispersed
Obtained in 30mL deionized water concentration be 6mg/mL graphene oxide dispersion, add 0.16mmol ascorbic acid and
0.15mmol CoCl2And stir to dissolving completely, solution is transferred in hydrothermal reaction kettle in 180 DEG C of heat preservation 3h, is then cooled down
Hydrogel is obtained to room temperature, is freeze-dried after dialysis treatment up to the whole blocky load cobalt graphene aerogel composite catalyzing of macroscopic view
Agent.Under normal temperature and pressure conditions, it is reacted by 180min, it is multiple which activates potassium peroxydisulfate
Closing salt is 59% to the degradation rate of 15mg/L sulfanilamide (SN) meta-methoxy pyrimidine wastewater, wherein carrying cobalt graphene aerogel composite catalyst
There is not deformation by water impact in degradation process, mechanical stability is preferable, and its Interstitial Water can be excluded by fashion of extrusion,
Convenient for repeated recycling utilize.
Embodiment 4
Improved Hummers method is used first, prepares graphene oxide by raw material of natural graphite powder；Graphene oxide is dispersed
Obtained in 30mL deionized water concentration be 6mg/mL graphene oxide dispersion, add 0.16mmol ascorbic acid and
0.3mmol CoCl2And stir to dissolving completely, solution is transferred in hydrothermal reaction kettle in 180 DEG C of heat preservation 3h, is then cooled down
Hydrogel is obtained to room temperature, is freeze-dried after dialysis treatment up to the whole blocky load cobalt graphene aerogel composite catalyzing of macroscopic view
Agent.Under normal temperature and pressure conditions, it is reacted by 180min, it is multiple which activates potassium peroxydisulfate
Closing salt is 67% to the degradation rate of 15mg/L sulfanilamide (SN) meta-methoxy pyrimidine wastewater, wherein carrying cobalt graphene aerogel composite catalyst
There is not deformation by water impact in degradation process, mechanical stability is preferable, and its Interstitial Water can be excluded by fashion of extrusion,
Convenient for repeated recycling utilize.
Embodiment 5
Improved Hummers method is used first, prepares graphene oxide by raw material of natural graphite powder；Graphene oxide is dispersed
Obtained in 30mL deionized water concentration be 6mg/mL graphene oxide dispersion, add 0.16mmol ascorbic acid and
0.36mmol CoCl2And stir to dissolving completely, solution is transferred in hydrothermal reaction kettle in 180 DEG C of heat preservation 3h, is then cooled down
Hydrogel is obtained to room temperature, is freeze-dried after dialysis treatment up to the whole blocky load cobalt graphene aerogel composite catalyzing of macroscopic view
Agent.Under normal temperature and pressure conditions, it is reacted by 180min, it is multiple which activates potassium peroxydisulfate
Closing salt is 66% to the degradation rate of 15mg/L sulfanilamide (SN) meta-methoxy pyrimidine wastewater, wherein the load cobalt graphene aerogel composite catalyzing
Agent is not had deformation by water impact in degradation process, and mechanical stability is preferable, and its gap can be excluded by fashion of extrusion
Water is convenient for repeated recycling utilize.
Embodiment 6
Improved Hummers method is used first, prepares graphene oxide by raw material of natural graphite powder；Graphene oxide is dispersed
Obtained in 30mL deionized water concentration be 6mg/mL graphene oxide dispersion, add 0.16mmol ascorbic acid and
0.6mmol CoCl2And stir to dissolving completely, solution is transferred in hydrothermal reaction kettle in 180 DEG C of heat preservation 3h, is then cooled down
Hydrogel is obtained to room temperature, is freeze-dried after dialysis treatment up to the whole blocky load cobalt graphene aerogel composite catalyzing of macroscopic view
Agent.Under normal temperature and pressure conditions, it is reacted by 180min, it is multiple which activates potassium peroxydisulfate
Closing salt is 64% to the degradation rate of 15mg/L sulfanilamide (SN) meta-methoxy pyrimidine wastewater, wherein carrying cobalt graphene aerogel composite catalyst
It can slightly be become broken by water impact in degradation process, mechanical stability is to be improved.
Embodiment above describes basic principles and main features of the invention and advantage, the technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, under the range for not departing from the principle of the invention, various changes and improvements may be made to the invention, these changes and improvements are each fallen within
In the scope of protection of the invention.
Claims (2)
1. one kind can efficiently activate the preparation method of the load cobalt graphene aerogel composite catalyst of persulfate, feature exists
In specific steps are as follows: use improved Hummers method first, prepare graphene oxide by raw material of natural graphite powder；It will oxidation
Graphene dispersion obtains the graphene oxide dispersion that concentration is 2-10mg/mL in 30mL deionized water, adds
0.16mmol ascorbic acid and 0.15-0.36mmol CoCl2And stir to dissolving completely, solution is transferred to hydrothermal reaction kettle
In in 180 DEG C of heat preservation 3h, then cool to room temperature to obtain hydrogel, be freeze-dried after dialysis treatment whole blocky up to macroscopic view
Carry cobalt graphene aerogel composite catalyst.
2. the load cobalt graphene aerogel that can efficiently activate persulfate made from the method according to claim 11 is compound
Application of the catalyst in advanced treating difficult for biological degradation drug waste water, it is characterised in that detailed process are as follows: first using improvement
Hummers method, prepare graphene oxide by raw material of natural graphite powder；Graphene oxide is dispersed in 30mL deionized water
The graphene oxide dispersion that concentration is 6mg/mL is obtained, 0.16mmol ascorbic acid and 0.3mmol CoCl are added2And it stirs
It mixes to dissolution completely, solution is transferred in hydrothermal reaction kettle in 180 DEG C of heat preservation 3h, then cools to room temperature to obtain hydrogel,
It is freeze-dried after dialysis treatment up to the whole blocky load cobalt graphene aerogel composite catalyst of macroscopic view, in normal temperature and pressure conditions
Under, it is reacted by 180min, which activates potassium peroxydisulfate complex salt to 15mg/L sulfanilamide (SN)
The degradation rate of meta-methoxy pyrimidine wastewater is 67%, wherein carrying cobalt graphene aerogel composite catalyst in degradation process by water
Stream impact does not have deformation, and good mechanical stability carries cobalt graphene aerogel composite catalyst by fashion of extrusion and excludes its gap
Repeated recycling utilize after water.
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| CN201910008579.9A CN109622068B (en) | 2019-01-04 | 2019-01-04 | Preparation method and application of cobalt-loaded graphene aerogel composite catalyst capable of efficiently activating persulfate |
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| CN201910008579.9A CN109622068B (en) | 2019-01-04 | 2019-01-04 | Preparation method and application of cobalt-loaded graphene aerogel composite catalyst capable of efficiently activating persulfate |
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| CN112044367A (en) * | 2020-08-07 | 2020-12-08 | 暨南大学 | Cobalt-manganese hydrotalcite aerogel and preparation method and application thereof |
| CN112691676A (en) * | 2021-02-01 | 2021-04-23 | 河南师范大学 | Zn-doped alpha-Fe2O3Preparation method of/graphene aerogel composite catalyst, oxidation system and application thereof |
| CN113134373A (en) * | 2021-04-01 | 2021-07-20 | 大连海事大学 | Composite catalyst for advanced oxidation treatment of sulfonamide antibiotics in water and preparation method thereof |
| CN113731507A (en) * | 2021-07-29 | 2021-12-03 | 同济大学 | Graphene-based three-dimensional composite catalyst, preparation method thereof and application thereof in continuous flow persulfate wastewater treatment |
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| CN110918009A (en) * | 2019-12-04 | 2020-03-27 | 河南师范大学 | Aerogel material, preparation method thereof, catalyst, sulfonamide wastewater degradation method and application |
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| CN112044367A (en) * | 2020-08-07 | 2020-12-08 | 暨南大学 | Cobalt-manganese hydrotalcite aerogel and preparation method and application thereof |
| CN112044367B (en) * | 2020-08-07 | 2022-07-01 | 暨南大学 | Cobalt-manganese hydrotalcite aerogel and preparation method and application thereof |
| CN112691676A (en) * | 2021-02-01 | 2021-04-23 | 河南师范大学 | Zn-doped alpha-Fe2O3Preparation method of/graphene aerogel composite catalyst, oxidation system and application thereof |
| CN112691676B (en) * | 2021-02-01 | 2024-03-01 | 河南师范大学 | Zn doped alpha-Fe 2 O 3 Preparation method of graphene aerogel composite catalyst, and oxidation system and application thereof |
| CN113134373A (en) * | 2021-04-01 | 2021-07-20 | 大连海事大学 | Composite catalyst for advanced oxidation treatment of sulfonamide antibiotics in water and preparation method thereof |
| CN113134373B (en) * | 2021-04-01 | 2023-04-25 | 大连海事大学 | Composite catalyst for advanced oxidation treatment of sulfonamide antibiotics in water and preparation method thereof |
| CN113731507A (en) * | 2021-07-29 | 2021-12-03 | 同济大学 | Graphene-based three-dimensional composite catalyst, preparation method thereof and application thereof in continuous flow persulfate wastewater treatment |
| CN113731507B (en) * | 2021-07-29 | 2023-11-24 | 同济大学 | Graphene-based three-dimensional composite catalyst, preparation method thereof and application thereof in continuous flow sulfate wastewater treatment |
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