CN106732232A - A kind of preparation method of the yolk type Fenton microreactor of inner surface supported precious metal nano-particle - Google Patents
A kind of preparation method of the yolk type Fenton microreactor of inner surface supported precious metal nano-particle Download PDFInfo
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- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0093—Microreactors, e.g. miniaturised or microfabricated reactors
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- 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
- C02F1/722—Oxidation by peroxides
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- 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
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- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00781—Aspects relating to microreactors
- B01J2219/00819—Materials of construction
- B01J2219/00822—Metal
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- 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
A kind of preparation method of the yolk type Fenton microreactor of inner surface supported precious metal nano-particle, is related to a kind of preparation method of Fenton microreactor.It is to solve existing out-phase Fenton reagent H2O2The problem that utilization ratio is low, Fenton's reaction speed is slow and Fenton reagent is easily reunited.Method：First, magnetic nano-particle is distributed in water, is subsequently adding tetraethyl orthosilicate and ammoniacal liquor, reaction obtains product A；2nd, by product A addition precious metal salt solutions, stirring adds reducing agent, and reaction obtains product B；3rd, product B is scattered in conductive high polymer monomer, adds initiator to trigger polymerization, reaction to obtain product C；4th, product C is put into etching agent, is etched, obtain final product.Microreactor prepared by this method can improve out-phase Fenton's reaction speed, to H2O2Utilization ratio it is higher, it is cost-effective.Magnetic nano-particle has stability higher, is not susceptible to aggregation.The present invention is for preparing Fenton microreactor.
Description
Technical field
The present invention relates to a kind of preparation method of Fenton microreactor.
Background technology
In recent years, global water pollution form is increasingly severe.Found by a large amount of water pollution case works, wherein quite big
A part is due to caused by organic matter.The pollutant is widely present in agricultural chemicals, chemical fertilizer and industrial wastewater, with toxicity
The features such as high, characteristic of concentration is strong and flows big, the safety in production of healthy living and industrial or agricultural to the people causes serious threat.Such as
What effectively processes the pollutant, as the important topic for being related to China's strategy of sustainable development.
Due to general very low, the traditional sewage water treatment method of concentration of the pollutant in water source：Such as the precipitation method, filtering
Method and biological degradation method etc. are difficult to be effectively treated it.Developing a kind of new method of economical and efficient just turns into urgently to be resolved hurrily
Problem.In recent years, the method that light concentration organic pollutant is processed using Fenton's reaction obtains the very big pass of researcher
Note.However, in actual application, it has been found that although out-phase Fenton reagent high-efficiency environment friendly, the presence of following defect, sternly
The extensive use of out-phase Fenton reagent is limited again：(1) when being reacted, it is necessary to be excessively used H2O2, not only reduce H2O2's
Utilization ratio, and increased cost；(2) reaction can only be carried out on the surface of out-phase Fenton reagent, and reaction rate is relatively slow；
(3) easily there is clustering phenomena in out-phase Fenton reagent, causes degrading activity to decline.
The content of the invention
The present invention is to solve existing out-phase Fenton reagent H2O2Utilization ratio is low, Fenton's reaction speed slow and Fenton examination
A kind of problem that agent is easily reunited, there is provided the preparation side of the yolk type Fenton microreactor of inner surface supported precious metal nano-particle
Method.H is aided in by noble metal nano particles2O2Means such as " confinement effects " of decomposition and microreactor, solve traditional out-phase Fenton
The deficiency that reagent is present.
The preparation method of the yolk type Fenton microreactor of inner surface supported precious metal nano-particle of the present invention, including it is following
Step：
First, magnetic nano-particle is distributed in water, is subsequently adding tetraethyl orthosilicate to final concentration of 1mg/mL~30mg/
ML, stirs 2-3min, adds ammoniacal liquor to final concentration of 0.01mg/mL~1mg/mL, reacts 6-12h, obtains product A；
2nd, by product A add precious metal salt solution in, the wherein final concentration of 0.1mg/mL~10mg/mL of precious metal salt,
After stirring 10min~30min, reducing agent to final concentration of 1mg/mL~50mg/mL is added, react 10min~60min, obtained
Product B；
3rd, product B is scattered in conductive high polymer monomer, wherein the final concentration of 10mg/mL of conductive high polymer monomer
~100mg/mL, adds initiator to final concentration of 10mg/mL~300mg/mL, triggers polymerization, reacts 3h~24h, is produced
Thing C；
4th, product C is put into etching agent, etches 10h~24h, obtain final product.
Further, the magnetic nano-particle described in step one is the oxidation of ferroso-ferric oxide, di-iron trioxide or hydroxyl
Iron；
Further, the precious metal salt described in step 2 in precious metal salt solution be silver nitrate, gold chloride, chloroplatinic acid,
One or more in palladium bichloride, silver ammino solution, potassium chloroplatinate, sub- potassium chloroplatinate；
Further, the reducing agent described in step 2 is sodium borohydride, hydrazine or glucose；
Further, the conductive high polymer monomer described in step 3 is aniline, pyrroles, thiophene, acetylene, 3- hexyl thiophenes
One or more in fen, 3,4- ethene dioxythiophenes are by any mixture than composition.
Further, the initiator described in step 3 is ferric trichloride, ammonium persulfate, potassium peroxydisulfate or sodium peroxydisulfate.
Further, the etching agent described in step 4 is hydrofluoric acid, sodium hydroxide solution, potassium hydroxide solution or ammonia
Water, wherein hydrofluoric acid, sodium hydroxide solution, potassium hydroxide solution and ammonia concn are 0.5-3mol/L.
Fenton microreactor prepared by the present invention is yolk type microreactor, and its inner surface is loaded with noble metal nano grain
Son.First with magnetic nano-particle as kernel templates, by the titanium dioxide that hydrolyzing tetraethoxy orthosilane is complete on its Surface coating
Silicon shell；Afterwards, noble metal nano particles are deposited on silica shell layer surface；Then, continue conductive in outer surface aggregate
High polymer monomer, forms complete conducting high polymers thing shell；Finally, by middle silica shell selective etch
Fall, just obtained yolk type microreactor.In the microreactor, magnetic nano-particle is " core "；Conductive high polymer monomer gathers
Compound is " shell ", and noble metal nano particles are embedded in the inner surface of shell.
The invention has the advantages that：
The yolk type Fenton microreactor of the inner surface supported precious metal nano-particle prepared by the present invention is received than traditional
Rice corpuscles is to H2O2Utilization ratio it is higher, it is cost-effective.In Fenton's reaction, H2O2Decomposing generation has high oxidative
OH is come dirty organic pollutants of degrading.The metal nanoparticle of microreactor inner surface load prepared by the present invention is to H2O2's
Decomposing has catalytic action, is conducive to accelerating H2O2Decomposition, thus H can be improved2O2Decomposition rate, and then improve its utilization
Efficiency and degradation rate.
" confinement effect " is property specific to microreactor.External solution is different from, reaction occurs in microreactor
Portion.Due to the presence of " confinement effect ", contribute to the enrichment of dirty Organic substance in water, improve out-phase Fenton's reaction speed.
The yolk type Fenton microreactor of the inner surface supported precious metal nano-particle prepared by the present invention is than traditional magnetic
Property nano-particle have stability higher, be not susceptible to aggregation.Because magnetic nano-particle is in the inside of microreactor, at this
Under individual microenvironment protection, the erosion of extraneous solution can be avoided.Further, since the shell protection of microreactor, magnetic nano particle
It is separated between son, the aggregation of out-phase Fenton reagent (i.e. magnetic nano-particle) during use can be prevented effectively from, thus
Stability can be improved.
Brief description of the drawings
Fig. 1 is ferriferrous oxide nano-particle stereoscan photograph in embodiment one；
Fig. 2 is that the ESEM of the yolk type microreactor of inner surface supported precious metal nano-particle in embodiment one shines
Piece；
Fig. 3 is that the transmission electron microscope of the yolk type microreactor of inner surface supported precious metal nano-particle in embodiment one shines
Piece；
Fig. 4 is yolk type microreactor and initial four oxidations three of inner surface supported precious metal nano-particle in embodiment one
Iron carries out the comparison diagram of Fenton's reaction degradation of methylene blue；
Fig. 5 is that the yolk type microreactor of inner surface supported precious metal nano-particle in embodiment one enters with ferroso-ferric oxide
H during row Fenton's reaction degradation of methylene blue2O2Utilization ratio comparison diagram；
Fig. 6 be inner surface supported precious metal nano-particle in embodiment one yolk type microreactor carry out Fenton's reaction after
Transmission electron microscope photo；
Fig. 7 is the scanning of the yolk type Fenton microreactor of inner surface supported precious metal nano-particle prepared by embodiment two
Electromicroscopic photograph.
Specific embodiment
Technical solution of the present invention is not limited to act specific embodiment set forth below, also including between each specific embodiment
Any combination.
Specific embodiment one：The yolk type Fenton microreactor of present embodiment inner surface supported precious metal nano-particle
Preparation method, comprise the following steps：
First, magnetic nano-particle is distributed in water, is subsequently adding tetraethyl orthosilicate to final concentration of 1mg/mL~30mg/
ML, stirs 2-3min, adds ammoniacal liquor to final concentration of 0.01mg/mL~1mg/mL, reacts 6-12h, obtains product A；
2nd, by product A add precious metal salt solution in, the wherein final concentration of 0.1mg/mL~10mg/mL of precious metal salt,
After stirring 10min~30min, reducing agent to final concentration of 1mg/mL~50mg/mL is added, react 10min~60min, obtained
Product B；
3rd, product B is scattered in conductive high polymer monomer, wherein the final concentration of 10mg/mL of conductive high polymer monomer
~100mg/mL, adds initiator to final concentration of 10mg/mL~300mg/mL, triggers polymerization, reacts 3h~24h, is produced
Thing C；
4th, product C is put into etching agent, etches 10h~24h, obtain final product.
Specific embodiment two：Present embodiment from unlike specific embodiment one：Magnetic described in step one
Nano-particle is ferroso-ferric oxide, di-iron trioxide or FeOOH.Other are identical with specific embodiment one.
Specific embodiment three：Present embodiment from unlike specific embodiment one or two：Added just in step one
Silester is to final concentration of 5mg/mL~25mg/mL.Other are identical with specific embodiment one or two.
Specific embodiment four：Present embodiment from unlike specific embodiment one or two：Added just in step one
Silester is to final concentration of 10mg/mL~20mg/mL.Other are identical with specific embodiment one or two.
Specific embodiment five：Unlike one of present embodiment and specific embodiment one to four：Add in step one
Enter ammoniacal liquor to final concentration of 0.05mg/mL~0.9mg/mL.Other are identical with one of specific embodiment one to four.
Specific embodiment six：Unlike one of present embodiment and specific embodiment one to four：Add in step one
Enter ammoniacal liquor to final concentration of 0.1mg/mL~0.8mg/mL.Other are identical with one of specific embodiment one to four.
Specific embodiment seven：Unlike one of present embodiment and specific embodiment one to four：Add in step one
Enter ammoniacal liquor to final concentration of 0.3mg/mL~0.6mg/mL.Other are identical with one of specific embodiment one to four.
Specific embodiment eight：Unlike one of present embodiment and specific embodiment one to four：Add in step one
Enter ammoniacal liquor to final concentration of 0.4mg/mL~0.5mg/mL.Other are identical with one of specific embodiment one to four.
Specific embodiment nine：Unlike one of present embodiment and specific embodiment one to eight：Institute in step 2
It is silver nitrate, gold chloride, chloroplatinic acid, palladium bichloride, silver ammino solution, potassium chloroplatinate, Asia to state the precious metal salt in precious metal salt solution
One or more in potassium chloroplatinate.Other are identical with one of specific embodiment one to eight.
Specific embodiment ten：Unlike one of present embodiment and specific embodiment one to nine：It is expensive in step 2
Final concentration of 0.5mg/mL~the 9mg/mL of slaine.Other are identical with one of specific embodiment one to nine.
Specific embodiment 11：Unlike one of present embodiment and specific embodiment one to nine：In step 2
Final concentration of 1mg/mL~the 7mg/mL of precious metal salt.Other are identical with one of specific embodiment one to nine.
Specific embodiment 12：Unlike one of present embodiment and specific embodiment one to nine：In step 2
Final concentration of 3mg/mL~the 5mg/mL of precious metal salt.Other are identical with one of specific embodiment one to nine.
Specific embodiment 13：Present embodiment from unlike specific embodiment one to one of 12：Step 2
Described in reducing agent be sodium borohydride, hydrazine or glucose.Other are identical with specific embodiment one to one of 12.
Specific embodiment 14：Present embodiment from unlike specific embodiment one to one of 13：Step 2
It is middle to add reducing agent to final concentration of 5mg/mL~45mg/mL.Other are identical with specific embodiment one to one of 13.
Specific embodiment 15：Present embodiment from unlike specific embodiment one to one of 13：Step 2
It is middle to add reducing agent to final concentration of 10mg/mL~40mg/mL.Other are identical with specific embodiment one to one of 13.
Specific embodiment 16：Present embodiment from unlike specific embodiment one to one of 13：Step 2
It is middle to add reducing agent to final concentration of 20mg/mL~30mg/mL.Other are identical with specific embodiment one to one of 13.
Specific embodiment 17：Present embodiment from unlike specific embodiment one to one of 16：Step 3
Described in conductive high polymer monomer be in aniline, pyrroles, thiophene, acetylene, 3- hexyl thiophenes, 3,4- ethene dioxythiophenes
Plant or several by any mixture than composition.Other are identical with specific embodiment one to one of 16.
Specific embodiment 18：Present embodiment from unlike specific embodiment one to one of 17：Step 3
Described in initiator be ferric trichloride, ammonium persulfate, potassium peroxydisulfate or sodium peroxydisulfate.Other and specific embodiment one to ten
One of seven is identical.
Specific embodiment 19：Present embodiment from unlike specific embodiment one to one of 18：Step 3
Final concentration of 20mg/mL~the 90mg/mL of middle conductive high polymer monomer.Other and the phase of specific embodiment one to one of 18
Together.
Specific embodiment 20：Present embodiment from unlike specific embodiment one to one of 18：Step 3
Final concentration of 40mg/mL~the 70mg/mL of middle conductive high polymer monomer.Other and the phase of specific embodiment one to one of 18
Together.
Specific embodiment 21：Present embodiment from unlike specific embodiment one to one of 18：Step
Final concentration of 50mg/mL~the 60mg/mL of conductive high polymer monomer in three.Other and the phase of specific embodiment one to one of 18
Together.
Specific embodiment 22：Present embodiment from unlike specific embodiment one to one of 21：Step
5h~20h is reacted in rapid three.Other are identical with specific embodiment one to one of 21.
Specific embodiment 23：Present embodiment from unlike specific embodiment one to one of 21：Step
10h~15h is reacted in rapid three.Other are identical with specific embodiment one to one of 21.
Specific embodiment 24：Present embodiment from unlike specific embodiment one to one of 23：Step
Etching agent described in rapid four is hydrofluoric acid, sodium hydroxide solution, potassium hydroxide solution or ammoniacal liquor, wherein hydrofluoric acid, hydroxide
Sodium solution, potassium hydroxide solution and ammonia concn are 0.5-3mol/L.Other and specific embodiment one to one of 23
It is identical.
Embodiments of the invention are elaborated below, following examples are entered under premised on technical solution of the present invention
Row is implemented, and gives detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following realities
Apply example.
Embodiment one：
The preparation method of the yolk type Fenton microreactor of the present embodiment inner surface supported precious metal nano-particle, including with
Lower step：
First, magnetic nano-particle ferroso-ferric oxide is distributed in water, to being added just in 200mL ferroso-ferric oxide suspension
Silester stirs 2min to final concentration of 30mg/mL, adds ammoniacal liquor to final concentration of 0.2mg/mL；Reaction 6.0h, by institute
Product A is obtained to separate.
2nd, product A is added in 20mL potassium chloroplatinate solution, wherein the final concentration of 0.3mg/mL of potassium chloroplatinate
, 30min is stirred, add sodium borohydride solution, the wherein final concentration of 2.0mg/mL of sodium borohydride；Continue to react 30min, will
The product B washings for obtaining are separated.
3rd, product B is scattered in the aniline solution of 20mL, wherein the final concentration of 15mg/mL of aniline, adds persulfuric acid
Ammonium is to final concentration of 10mg/mL；After reaction 5h, products therefrom C is washed and is separated.
4th, by product C addition 1mol/L sodium hydroxide solutions, after stirring etching 18h, final product is obtained.
Initial ferroso-ferric oxide microballoon stereoscan photograph is as shown in Figure 1 in the present embodiment.Fig. 2 is the scanning of final product
Electromicroscopic photograph.Fig. 3 is the transmission electron microscope photo of final product, yolk type structure and is embedded in inner surface as we can see from the figure
Noble metal nano particles.
Fig. 4 is the yolk type microreactor and initial ferriferrous oxide nano-particle of inner surface supported precious metal nano-particle
The comparing figure of Fenton's reaction degradation of methylene blue is carried out, in Fig. 4-the initial ferriferrous oxide nano-particle of ■-expression ,-●-
Represent yolk type microreactor.The degradation rate of microreactor is much larger than ferriferrous oxide nano-particle as we can see from the figure,
Microreactor to the conversion rate of methylene blue faster.In this experiment, the initial concentration of methylene blue is 30mg/mL, 2.0 hours
Afterwards, methylene blue realizes 98.7% degraded in yolk type microreactor, and ferriferrous oxide nano-particle is only 62.4%.
During Fig. 5 is Fenton's reaction, microreactor manufactured in the present embodiment and Fe3O4Nano-particle is for H2O2Utilize
The comparison diagram of efficiency, 1 represents microreactor in Fig. 5, and 2 represent Fe3O4Nano-particle.In an experiment, the concentration of initial methylene blue
Identical (30mg/mL), dioxygen water consumption is identical (5.0mL), and degradation time is identical (2.0h), it can be seen that methylene in microreactor
Base indigo plant degrades 98.7%；And Fe3O4Nano-particle only degrades 62.4%.As can be seen here, microreactor is to H2O2Using effect
Rate is higher.
Fig. 6 be Fenton's reaction after the completion of, the transmission electron microscope photo of microreactor, from the figure, it can be seen that relative to initial
Microreactor (Fig. 3), its structure does not have significant difference.Ferriferrous oxide nano-particle remains unchanged and is present in inside microreactor,
Do not assemble.Thus prove that microreactor has excellent stability.
Embodiment two：
The preparation method of the yolk type Fenton microreactor of the present embodiment inner surface supported precious metal nano-particle, including with
Lower step：
First, magnetic nano-particle ferroso-ferric oxide is distributed in water, to adding positive silicon in 100mL ferroso-ferric oxide solution
Acetoacetic ester stirs 5min to final concentration of 20mg/mL, adds ammoniacal liquor to final concentration of 0.4mg/mL；After reaction 8.0h, by gained
Product A is separated.
2nd, product A is added in 10mL potassium chloroplatinate solution, wherein the final concentration of 0.5mg/mL of potassium chloroplatinate,
Stirring 20min, adds sodium borohydride solution, the wherein final concentration of 1.0mg/mL of sodium borohydride；After continuing to react 10min, will
Resulting product B washings are separated.
3rd, product B is scattered in the aniline solution of 30mL, wherein the final concentration of 25mg/mL of aniline, adds persulfuric acid
Ammonium is to final concentration of 20mg/mL；After reaction 6.0h, products therefrom C is washed and is separated.
4th, by product C addition 1mol/L sodium hydroxide solutions, after stirring etching 24.0h, final product is obtained.
Fig. 7 is the scanning of the yolk type Fenton microreactor of inner surface supported precious metal nano-particle manufactured in the present embodiment
Electromicroscopic photograph.
Fenton's reaction degraded is carried out using the yolk type microreactor and initial ferriferrous oxide nano-particle of the present embodiment
Methylene blue, the concentration of initial methylene blue is identical (30mg/mL), and dioxygen water consumption is identical (5.0mL), and degradation time is identical
(2.0h), the present embodiment microreactor Methylene Blue degrades 99.2%；And Fe3O4Nano-particle only degrades 62.8%.By
This is visible, and the degradation rate of microreactor is much larger than ferriferrous oxide nano-particle, and microreactor is to H2O2Utilization ratio more
It is high.
After the completion of Fenton's reaction, relative to initial microreactor, the structure of microreactor does not have significant difference.Four oxidations
Three Fe nanometer particles remain unchanged and are present in inside microreactor, do not assemble.Thus prove that microreactor has excellent steady
It is qualitative.
Claims (10)
1. the preparation method of the yolk type Fenton microreactor of a kind of inner surface supported precious metal nano-particle, it is characterised in that should
Method is comprised the following steps：
First, magnetic nano-particle is distributed in water, is subsequently adding tetraethyl orthosilicate to final concentration of 1mg/mL~30mg/mL,
Stirring 2-3min, adds ammoniacal liquor to final concentration of 0.01mg/mL~1mg/mL, reacts 6-12h, obtains product A；
2nd, by product A addition precious metal salt solutions, the wherein final concentration of 0.1mg/mL~10mg/mL of precious metal salt is stirred
After 10min~30min, reducing agent to final concentration of 1mg/mL~50mg/mL is added, react 10min~60min, obtain product
B；
3rd, product B is scattered in conductive high polymer monomer, the wherein final concentration of 10mg/mL of conductive high polymer monomer~
100mg/mL, adds initiator to final concentration of 10mg/mL~300mg/mL, triggers polymerization, reacts 3h~24h, obtains product
C；
4th, product C is put into etching agent, etches 10h~24h, obtain final product.
2. the preparation method of yolk type Fenton microreactor according to claim 1, it is characterised in that described in step one
Magnetic nano-particle be ferroso-ferric oxide, di-iron trioxide or FeOOH.
3. the preparation method of yolk type Fenton microreactor according to claim 1, it is characterised in that added in step one
Ammoniacal liquor is to final concentration of 0.1mg/mL~0.8mg/mL.
4. the preparation method of yolk type Fenton microreactor according to claim 1, it is characterised in that described in step 2
Precious metal salt in precious metal salt solution is silver nitrate, gold chloride, chloroplatinic acid, palladium bichloride, silver ammino solution, potassium chloroplatinate, sub- chlorine
One or more in potassium platinate.
5. the preparation method of yolk type Fenton microreactor according to claim 1, it is characterised in that your gold in step 2
Belong to the final concentration of 1mg/mL~7mg/mL of salt.
6. the preparation method of yolk type Fenton microreactor according to claim 1, it is characterised in that described in step 2
Reducing agent be sodium borohydride, hydrazine or glucose.
7. the preparation method of yolk type Fenton microreactor according to claim 1, it is characterised in that described in step 3
Conductive high polymer monomer be the one kind or several in aniline, pyrroles, thiophene, acetylene, 3- hexyl thiophenes, 3,4- ethene dioxythiophenes
Plant by any mixture than composition.
8. the preparation method of yolk type Fenton microreactor according to claim 1, it is characterised in that described in step 3
Initiator be ferric trichloride, ammonium persulfate, potassium peroxydisulfate or sodium peroxydisulfate.
9. the preparation method of yolk type Fenton microreactor according to claim 1, it is characterised in that conductive in step 3
Final concentration of 20mg/mL~the 90mg/mL of high polymer monomer.
10. the preparation method of yolk type Fenton microreactor according to claim 1, it is characterised in that described in step 4
Etching agent be hydrofluoric acid, sodium hydroxide solution, potassium hydroxide solution or ammoniacal liquor, wherein hydrofluoric acid, sodium hydroxide solution, hydrogen-oxygen
Change potassium solution and ammonia concn is 0.5-3mol/L.
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| CN108295906A (en) * | 2018-03-06 | 2018-07-20 | 燕山大学 | " ringing a bell " type platinum base magnetism space confinement catalyst and preparation method thereof |
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| CN110560166A (en) * | 2019-09-25 | 2019-12-13 | 燕山大学 | Magnetic core-shell structure space confinement type platinum catalyst and preparation method thereof |
| CN114749172A (en) * | 2022-04-21 | 2022-07-15 | 清华大学 | Continuous preparation method of carbon nano material loaded with small-particle-size noble metal |
| CN116080057A (en) * | 2023-03-06 | 2023-05-09 | 可孚医疗科技股份有限公司 | Triglyceride biosensor, nano-gold conductive composite material and preparation method thereof |
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| CN114749172A (en) * | 2022-04-21 | 2022-07-15 | 清华大学 | Continuous preparation method of carbon nano material loaded with small-particle-size noble metal |
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