CN107855129A - A kind of preparation method and applications of high-performance molybdenum disulfide/graphene oxide/iron oxide yellow composite catalyst - Google Patents
A kind of preparation method and applications of high-performance molybdenum disulfide/graphene oxide/iron oxide yellow composite catalyst Download PDFInfo
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- CN107855129A CN107855129A CN201711179069.5A CN201711179069A CN107855129A CN 107855129 A CN107855129 A CN 107855129A CN 201711179069 A CN201711179069 A CN 201711179069A CN 107855129 A CN107855129 A CN 107855129A
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- molybdenum disulfide
- graphene oxide
- iron oxide
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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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
- B01J27/04—Sulfides
- B01J27/047—Sulfides with chromium, molybdenum, tungsten or polonium
- B01J27/051—Molybdenum
- B01J27/0515—Molybdenum with iron group metals or platinum group metals
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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
- C02F1/70—Treatment of water, waste water, or sewage by reduction
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
- C02F2101/14—Fluorine or fluorine-containing compounds
Abstract
The invention discloses a kind of preparation method and applications of high-performance molybdenum disulfide/graphene oxide/iron oxide yellow composite catalyst, it is to mix molybdenum disulfide with graphene oxide and ferrous sulfate, molybdenum disulfide/graphene oxide/iron oxide yellow composite catalyst is made by heating in water bath for reaction after ultrasonic disperse is uniform, can be used in the reaction of catalysis reduction trefanocide as catalyst.The catalytic performance of composite catalyst is greatly improved due to introducing lamella molybdenum disulfide in composite catalyst obtained by the present invention.
Description
Technical field
The present invention relates to a kind of preparation method of catalyst, specifically a kind of high-performance molybdenum disulfide/graphite oxide
The preparation method and applications of alkene/iron oxide yellow composite catalyst, belong to catalyst field.
Background technology
It is increasingly tight the problems such as environmental pollution, ecological disruption and unusual weather conditions due to industrialization, the quickening of chemurgy process
Weight, actively develop new energy and seemed with reducing pollutant emission and solving the problem of environmental pollution in industrialization, chemurgy process
It is extremely urgent.Wherein remains of pesticide commonly uses agriculture articles for use as a kind of, and serious consequence can be caused into water body environment, because
These remainss of pesticide often containing difficult degradation, toxic organic pollutant, wherein azo-compound and aromatic amine there is carcinogenic, teratogenesis to be changed into
With.For trefanocide as a kind of conventional agricultural herbicide, concentration can arrive 2mg/L in treated sewage, be discharged into water
Trefanocide amount may be lower, but its continued emissions may the amount of causing accumulation, aquatic and terrestrial life is formed one it is latent
Danger.The method for being used for handling remains of pesticide in sewage at present mainly has flocculation, photocatalytic degradation, catalysis reduction, nanometer
Membrane filtration, absorption, electrochemical oxidation and catalysis oxidation etc..Wherein, catalysis reduction is excellent because cost is relatively low, operating procedure is simple etc.
Gesture and be widely used.
Graphene oxide is the oxide of graphene, and in oxidation-reduction method graphene predecessor, there is two-dimensional layer
Shape structure.Graphene oxide edge distribution has carboxyl and carbonyl, and hydroxyl and epoxy radicals, graphene oxide layer internal memory is distributed with inside
In very strong covalent bond and hydrogen bond.Therefore, graphene oxide can be sent out in water, dilute alkaline soln, salting liquid and organic solvent
The graphene oxide layer that raw aquation is peeled off.Graphene oxide makes its tool due to the presence of these oxygen-containing functional groups
There is preferable water-wet behavior, stable graphene oxide solution can be formed, many liquid phase reactors can be smoothed out.Oxygen simultaneously
Graphite alkene has been to be concerned by more and more people as new material, because graphene oxide has big specific surface area, can make
It is applied to for the carrier of catalyst in chemical reaction.Secondly graphene oxide solution carry negative electricity, its rely on electrostatic interaction and
Other intermolecular forces (such as hydrogen bond, covalent bond), can with other materials are compound obtains graphene oxide based composites.
Iron oxide yellow (FeOOH) is a kind of semi-conducting material, has in Material Field and is widely applied very much, and it is intrinsic
The properties such as electricity, magnetic can be greatly improved by doping.Iron oxide yellow because size is small, percentage by volume shared by surface compared with
Greatly, the key state on surface, electronic state, Atomic coordinate etc. are different from inside particle, and so as to cause the active sites on surface to increase, this just makes
It possesses the primary condition as catalyst.Therefore, iron oxide yellow is in magnetic material, catalysis, pigment, ceramics, rubber and light
Gas sensitive, magnetic fluid material and biomedicine, cosmetics, there is extensive purposes in terms of waiting high-grade special material.
Chinese invention patent such as Patent No. 201310268300.3 (it is the A of CN 1043293124 to authorize public number) discloses
A kind of preparation method and application of FeOOH nanoparticle/graphene oxide, be by under conditions of magnetic agitation by graphite oxide
Alkene dispersion liquid adds ferrous sulfate, is then slowly added into NaOH solution until pH=7-8, continues to obtain nanometer after reacting 1h
FeOOH/ graphene oxides, the material are applied to catalytic activation hydrogen peroxide and aoxidize N, N- diethyl-p-phenylenediamine sulfates
Into a kind of compound of aubergine.
Although FeOOH/ graphene oxides have catalytic effect, the catalytic efficiency of FeOOH/ graphene oxides needs to be carried
It is high.Molybdenum disulfide is as a kind of diamagnetism and has the compound of semiconductor property, and its MO-S faceted pebble is quite a lot of, catalytic performance side
Face has the advantages that specific surface area is big, and adsorption capacity is strong, and reactivity is high.The present invention in FeOOH/ graphene oxides by mixing
Enter lamella molybdenum disulfide, the catalytic performance of FeOOH/ graphene oxides can be increased substantially.
The content of the invention
A kind of the present invention is intended to provide preparation of high-performance molybdenum disulfide/graphene oxide/iron oxide yellow composite catalyst
Method and its application.Simple graphene oxide, iron oxide yellow have poor catalytic performance, and the present invention is by adding lamella two
Molybdenum sulfide, the catalytic effect of molybdenum disulfide/graphene oxide/iron oxide yellow composite catalyst is greatly improved.
The preparation method of high-performance molybdenum disulfide/graphene oxide/iron oxide yellow composite catalyst of the present invention, is by two sulphur
Change molybdenum to mix with graphene oxide and ferrous sulfate, molybdenum disulfide/oxygen is made by heating in water bath for reaction after ultrasonic disperse is uniform
Graphite alkene/iron oxide yellow composite catalyst, wherein mass ratio are 0.8:1:18 MoS2/ GO/FeOOH composite catalysts are catalyzed
Reduce the best results of trefanocide.
The mass ratio of molybdenum disulfide, graphene oxide and ferrous sulfate is (0-1.2):(1-2):(16-18), it is preferably
0.8:1:18。
The preparation method of high-performance molybdenum disulfide/graphene oxide/iron oxide yellow composite catalyst of the present invention, including it is as follows
Step：
Step 1：Prepare lamella graphene oxide
Lamella graphene oxide is prepared by improved Hummers methods, it is specific as follows：
By 2g graphite powders and 1g NaNO3Powder add three-necked flask in, add 50mL mass concentrations be 98% it is dense
H2SO4, magnetic agitation under ice-water bath, by 6g KMnO4Solid particle is added portionwise in three-necked flask under the conditions of 5 DEG C, after adding
It is warming up to 35 DEG C of stirring reaction 24h；Reaction terminates to add 100mL deionized waters in backward reaction solution, after being uniformly mixed again
250mL deionized waters are added, then to the hydrogen peroxide that 15mL 30wt% are added dropwise in reaction solution, add 200mL 1mol/L's
HCl solution, be uniformly mixed, then centrifuged with 4500r/min rotating speed, remove supernatant liquor, be washed with water and centrifuge it is heavy
Starch is until the close neutrality of pH value；Sediment after centrifugation is transferred in 500mL beakers and adds 300mL deionized waters, is surpassed
More than sound 2h, then solution 20min is centrifuged with 4500r/min rotating speed, collect centrifuge tube upper liquid, as brown oxidation graphite
Alkene solution, the bag filter for being 12000-14000 with molecular cut off are dialysed one week, change water three times daily, freezed at -50 DEG C
24h is dried, that is, obtains lamella graphene oxide；
Step 2：Prepare lamella molybdenum disulfide --- lamella molybdenum disulfide is prepared by lithium ion graft process
1g molybdenum disulfide powders are added in three-necked flask, 10mL n-BuLis is added, stirs three under nitrogen atmosphere
My god, reaction solution is filtered with Buchner funnel after the completion of reaction, is washed in three times with 100mL n-hexanes.Products obtained therefrom will be filtered to be put into
60 DEG C of thermostatic drying chambers dry 4h.Dried powder is dissolved in 250mL deionized waters, ultrasonic disperse 12 hours.Then
The bag filter that resulting solution is 12000-14000 with molecular cut off is dialysed one week, water three times is changed daily, at -50 DEG C
24h is freeze-dried, that is, obtains lamella molybdenum disulfide；
Step 3：Prepare molybdenum disulfide/graphene oxide/iron oxide yellow composite catalyst
3a, by lamella graphene oxide add deionized water in and ultrasonic disperse it is uniform, obtain graphene oxide solution；Will
Ferrous sulfate adds in deionized water and ultrasonic disperse is uniform, obtains copperas solution；By lamella molybdenum disulfide add go from
In sub- water and ultrasonic disperse is uniform, obtains molybdenum disulfide solution；
3b, by molybdenum disulfide and graphene oxide and ferrous sulfate according to mass ratio (0-1.2):(1-2):(16-18)
Ratio mixing, then ultrasonic disperse uniformly obtains composite solution；The composite solution is added in 95 DEG C by water bath heating
Thermal response 6h, that is, molybdenum disulfide/graphene oxide/iron oxide yellow composite catalyst is made.
The application of molybdenum disulfide/graphene oxide/iron oxide yellow composite catalyst of the present invention, it is to reduce trefanocide in catalysis
Reaction in used as catalyst.The reaction is using sodium borohydride as reducing agent, and trefanocide is as sacrifice agent, in the aqueous solution
In catalysis reduction is carried out to trefanocide.Utilize ultraviolet-uisible spectrophotometer tracing detection trefanocide catalytic reduction process.Catalysis
Agent, reducing agent, the mass ratio of sacrifice agent are 2:2.7:1.
Beneficial effects of the present invention are embodied in：
1st, the present invention adds lamella molybdenum disulfide in graphene oxide/iron oxide yellow, due to the MO-S ribs of molybdenum disulfide
Face is quite a lot of, has the advantages that specific surface area is big, adsorption capacity is strong, reactivity is high in terms of catalytic performance, by adding lamella
Molybdenum disulfide, the catalytic effect of molybdenum disulfide/graphene oxide/iron oxide yellow composite catalyst is greatly improved.
2nd, molybdenum disulfide/graphene oxide/iron oxide yellow composite catalyst prepared by the present invention has good to trefanocide
Good catalysis reduction effect.
Brief description of the drawings
Fig. 1 is that the molybdenum disulfide/graphene oxide/iron oxide yellow is compound that the present invention is prepared under the conditions of different quality ratio is urged
The SEM spectrograms of agent.Wherein a figures, b figures, c figures, d figure difference counter samples GO/FeOOH, 2%MoS2/ GO/FeOOH, 4%
MoS2/ GO/FeOOH, 6%MoS2/GO/FeOOH。
Fig. 2 is that the molybdenum disulfide/graphene oxide/iron oxide yellow is compound that the present invention is prepared under the conditions of different quality ratio is urged
The FI-IR spectrograms of agent, wherein a figures, b figures, c figures, d figure difference counter samples GO/FeOOH, 2%MoS2/ GO/FeOOH, 4%
MoS2/ GO/FeOOH, 6%MoS2/GO/FeOOH。
Fig. 3 is that the molybdenum disulfide/graphene oxide/iron oxide yellow is compound that the present invention is prepared under the conditions of different quality ratio is urged
The XRD spectra of agent.
Fig. 4 is that the molybdenum disulfide/graphene oxide/iron oxide yellow is compound that the present invention is prepared under the conditions of different quality ratio is urged
The TG spectrograms of agent.
Fig. 5 is that the molybdenum disulfide/graphene oxide/iron oxide yellow is compound that the present invention is prepared under the conditions of different quality ratio is urged
Agent catalysis reduces the UV-vis spectrograms of trefanocide, wherein a figures, b figures, c figures, d figure difference counter samples GO/FeOOH, 2%
MoS2/ GO/FeOOH, 4%MoS2/ GO/FeOOH, 6%MoS2/GO/FeOOH。
Fig. 6 is that the molybdenum disulfide/graphene oxide/iron oxide yellow is compound that the present invention is prepared under the conditions of different quality ratio is urged
Change the speed spectrogram of reduction trefanocide.
Embodiment
Below to being elaborated by specific embodiment to technical scheme, following embodiments are with this hair
Implemented under premised on bright technical scheme, give detailed embodiment and specific operating process, but the guarantor of the present invention
Shield scope is not limited to following embodiments.
Embodiment 1：
The present embodiment prepares molybdenum disulfide/graphene oxide/iron oxide yellow composite catalyst as follows：
Step 1：Prepare lamella graphene oxide
Lamella graphene oxide is prepared by improved Hummers methods, it is specific as follows：
By 2g graphite powders and 1g NaNO3Powder add three-necked flask in, add 50mL mass concentrations be 98% it is dense
H2SO4, magnetic agitation under ice-water bath, by 6g KMnO4Solid particle is added portionwise in three-necked flask under the conditions of 5 DEG C, after adding
It is warming up to 35 DEG C of stirring reaction 24h；Reaction terminates to add 100mL deionized waters in backward reaction solution, after being uniformly mixed again
250mL deionized waters are added, then to the hydrogen peroxide that 15mL 30wt% are added dropwise in reaction solution, add 200mL 1mol/L's
HCl solution, be uniformly mixed, then centrifuged with 4500r/min rotating speed, remove supernatant liquor, be washed with water and centrifuge it is heavy
Starch is until the close neutrality of pH value；Sediment after centrifugation is transferred in 500mL beakers and adds 300mL deionized waters, is surpassed
More than sound 2h, then solution 20min is centrifuged with 4500r/min rotating speed, collect centrifuge tube upper liquid, as brown oxidation graphite
Alkene solution, the bag filter for being 12000-14000 with molecular cut off are dialysed one week, 24h are freeze-dried at -50 DEG C, that is, is obtained
Obtain lamella graphene oxide；
Step 2：Prepare lamella molybdenum disulfide
1g molybdenum disulfide powders are added in three-necked flask, 10mL n-BuLis is added, stirs three under nitrogen atmosphere
My god, reaction solution is filtered with Buchner funnel after the completion of reaction, is washed in three times with 100mL n-hexanes.Products obtained therefrom will be filtered to be put into
60 DEG C of thermostatic drying chambers dry 4h.Dried powder is dissolved in 250mL deionized waters, ultrasonic disperse 12 hours.Then
The bag filter that resulting solution is 12000-14000 with molecular cut off is dialysed one week, water three times is changed daily, at -50 DEG C
24h is freeze-dried, that is, obtains lamella molybdenum disulfide；
Step 3：Prepare molybdenum disulfide/graphene oxide/iron oxide yellow composite catalyst
3a, by lamella graphene oxide add deionized water in and ultrasonic disperse 0.5h, obtain graphene oxide solution；Will
Ferrous sulfate adds in deionized water and ultrasonic disperse 0.5h, obtains copperas solution；By lamella molybdenum disulfide add go from
In sub- water and ultrasonic disperse 0.5h, molybdenum disulfide solution is obtained；
3b, by molybdenum disulfide and graphene oxide and ferrous sulfate using mass ratio as 0:1:18 ratio mixing, then
Ultrasonic disperse uniformly obtains composite solution；By water bath heating the composite solution is made in 95 DEG C of heating response 6h
Molybdenum disulfide/graphene oxide/iron oxide yellow composite catalyst, is designated as GO/FeOOH.
Embodiment 2：
The present embodiment prepares molybdenum disulfide/graphene oxide/iron oxide yellow composite catalyzing by the identical method of embodiment 1
Agent, differ only in molybdenum disulfide and graphene oxide and ferrous sulfate in step 3 using mass ratio as 0.4:1:18 ratio
Example mixing, then ultrasonic disperse uniformly obtains composite solution, gained molybdenum disulfide/graphene oxide/iron oxide yellow composite catalyzing
Agent is designated as 2%MoS2/GO/FeOOH。
Embodiment 3：
The present embodiment prepares molybdenum disulfide/graphene oxide/iron oxide yellow composite catalyzing by the identical method of embodiment 1
Agent, differ only in molybdenum disulfide and graphene oxide and ferrous sulfate in step 3 using mass ratio as 0.8:1:18 ratio
Example mixing, then ultrasonic disperse uniformly obtains composite solution, gained molybdenum disulfide/graphene oxide/iron oxide yellow composite catalyzing
Agent is designated as 4%MoS2/GO/FeOOH。
Embodiment 4：
The present embodiment prepares molybdenum disulfide/graphene oxide/iron oxide yellow composite catalyzing by the identical method of embodiment 1
Agent, distinguish molybdenum disulfide and graphene oxide and ferrous sulfate using mass ratio as 1.2:1:18 ratio mixing, Ran Houchao
Sound, which is uniformly dispersed, obtains composite solution, and gained molybdenum disulfide/graphene oxide/iron oxide yellow composite catalyst is designated as 6%MoS2/
GO/FeOOH。
Fig. 1 is that present invention molybdenum disulfide/graphene oxide/iron oxide yellow prepared under the conditions of different quality ratio is compound
The SEM figures of catalyst, as seen from the figure FeOOH presentations yacht shape, and yardstick left and right in the range of 15-30nm.FeOOH is attached to
GO/MoS2Surface, because GO and iron ion form Fe-O-C keys by oxygen electrostatic interaction.
Fig. 2 is that present invention molybdenum disulfide/graphene oxide/iron oxide yellow prepared under the conditions of different quality ratio is compound
The FI-IR figures of catalyst, as seen from the figure in 1625cm-1There is C=C stretching vibration peak, in 1124cm-1There is shaking for O-H
Dynamic peak, in 479cm-1There is Fe-O stretching vibration peak, show that FeOOH is successfully prepared, in 641cm-1There are MO-S peaks to show
MoS2/ GO/FeOOH is successfully prepared.
Fig. 3 is that present invention molybdenum disulfide/graphene oxide/iron oxide yellow prepared under the conditions of different quality ratio is compound
The XRD of catalyst, as seen from the figure, in 2 θ=14 °, 33 °, 40 ° of characteristic peak corresponds to MoS respectively2(002) (100)
(103) characteristic diffraction peak, while find FeOOH characteristic peak (110) (130) (111) (221).With molybdenum disulfide amount
Increase MoS2Characteristic peak in 2 θ=14 ° is remarkably reinforced, and illustrates MoS2Characteristic diffraction peak peak value height with sample quality
The increase peak value of ratio becomes strong.
Fig. 4 is that present invention molybdenum disulfide/graphene oxide/iron oxide yellow prepared under the conditions of different quality ratio is compound
The TG figures of catalyst, as seen from the figure, GO/FeOOH have weightlessness at three, respectively at 240 DEG C in 50-800 DEG C of temperature range
(11.8wt%), 240-400 DEG C (8.2wt%), 400-800 DEG C (29.8wt%), the weightlessness of Part I is due to that absorption exists
The decomposition of GO surfaces water；Part II is due to the decomposition of FeOOH oxy radical；Part III is dividing completely for graphene
Solution.Contrast GO/FeOOH, 2%MoS2/ GO/FeOOH also has the weightlessness of three phases, illustrates MoS2Addition, make GO/FeOOH
With more preferable stability.
Fig. 5 is that present invention molybdenum disulfide/graphene oxide/iron oxide yellow prepared under the conditions of different quality ratio is compound
The UV-vis figures of catalyst reduction trefanocide.As seen from the figure, GO/FeOOH, 2%MoS2/ GO/FeOOH, 4%MoS2/
GO/FeOOH, 6%MoS2/ GO/FeOOH is in NaBH4Under conditions of making reducing agent, there is catalysis reduction effect to trefanocide.But GO/
FeOOH, 2%MoS2/ GO/FeOOH, 6%MoS2/ GO/FeOOH catalysis reduction trefanocide is after 70min, and trefanocide is in UV-vis
Still there is very strong peak value in figure, show GO/FeOOH, 2%MoS2/ GO/FeOOH, 6%MoS2/ GO/FeOOH is to trefanocide
Catalytic effect is poor.4%MoS2/ GO/FeOOH is catalyzed reduction trefanocide under the same conditions, and trefanocide is reduced after 40min
It is complete, show 4%MoS2/ GO/FeOOH catalytic efficiencies are most strong.
Fig. 6 is that present invention molybdenum disulfide/graphene oxide/iron oxide yellow prepared under the conditions of different quality ratio is compound
Catalyst reduces the catalytic rate figure of trefanocide.As seen from the figure, GO/FeOOH, 2%MoS2/ GO/FeOOH, 4%MoS2/
GO/FeOOH, 6%MoS2/ GO/FeOOH has catalysis reduction, but 4%MoS to trefanocide2/ GO/FeOOH catalytic efficiency ratios
GO/FeOOH, 2%MoS2/ GO/FeOOH, 6%MoS2/ GO/FeOOH catalytic efficiencies significantly improve.
These are only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
All any modification, equivalent and improvement made within principle etc., should be included in the scope of the protection.
Claims (7)
- A kind of 1. preparation method of high-performance molybdenum disulfide/graphene oxide/iron oxide yellow composite catalyst, it is characterised in that：It is to mix molybdenum disulfide with graphene oxide and ferrous sulfate, is made after ultrasonic disperse is uniform by heating in water bath for reaction Molybdenum disulfide/graphene oxide/iron oxide yellow composite catalyst.
- 2. preparation method according to claim 1, it is characterised in that：The mass ratio of molybdenum disulfide, graphene oxide and ferrous sulfate is (0-1.2):(1-2):(16-18).
- 3. preparation method according to claim 2, it is characterised in that：The mass ratio of molybdenum disulfide, graphene oxide and ferrous sulfate is 0.8:1:18.
- 4. preparation method according to claim 1 or 2, it is characterised in that comprise the following steps：Step 1：Lamella graphene oxide is prepared by improved Hummers methods and prepares lamella graphene oxideStep 2：Lamella molybdenum disulfide is prepared by lithium ion graft processStep 3：Prepare molybdenum disulfide/graphene oxide/iron oxide yellow composite catalyst3a, by lamella graphene oxide add deionized water in and ultrasonic disperse it is uniform, obtain graphene oxide solution；By sulfuric acid Ferrous iron adds in deionized water and ultrasonic disperse is uniform, obtains copperas solution；Lamella molybdenum disulfide is added into deionized water In and ultrasonic disperse it is uniform, obtain molybdenum disulfide solution；3b, by molybdenum disulfide and graphene oxide and ferrous sulfate according to mass ratio (0-1.2):(1-2):The ratio of (16-18) Example mixing, then ultrasonic disperse uniformly obtains composite solution；It is by water bath heating that the composite solution is anti-in 95 DEG C of heating 6h is answered, that is, molybdenum disulfide/graphene oxide/iron oxide yellow composite catalyst is made.
- 5. a kind of application of molybdenum disulfide/graphene oxide/iron oxide yellow composite catalyst prepared by claim 1, its feature It is：It is to be used in the reaction of catalysis reduction trefanocide as catalyst.
- 6. application according to claim 5, it is characterised in that：In the reaction of catalysis reduction trefanocide, using sodium borohydride as reducing agent, trefanocide is right in aqueous as sacrifice agent Trefanocide carries out catalysis reduction.
- 7. application according to claim 6, it is characterised in that：Catalyst, reducing agent, the mass ratio of sacrifice agent are 2:2.7:1.
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| CN110947402B (en) * | 2019-11-15 | 2022-04-12 | 南昌大学 | Magnetic molybdenum disulfide and application thereof in catalytic degradation of organic dye |
| CN112480444A (en) * | 2020-10-27 | 2021-03-12 | 南京工业大学 | rGO-MoS2-Fe2O3Preparation method and application of ternary composite nano antibacterial membrane material |
| CN112480444B (en) * | 2020-10-27 | 2022-07-05 | 南京工业大学 | rGO-MoS2-Fe2O3Preparation method and application of ternary composite nano antibacterial membrane material |
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