CN109876817A - A kind of cerium modified charcoal base load Fe3O4Mimetic enzyme catalyst and preparation method thereof - Google Patents
A kind of cerium modified charcoal base load Fe3O4Mimetic enzyme catalyst and preparation method thereof Download PDFInfo
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Abstract
The present invention relates to a kind of cerium modified charcoal bases to load Fe3O4Mimetic enzyme catalyst and preparation method thereof.Its technical solution is: potassium hydroxide and carbon based material being mixed, microwave activation is cooling；It is passed through vapor, is washed, drying；The magnetic agitation in cerous nitrate solution, it is dry, it is added in nickel crucible in tube furnace, is calcined in nitrogen atmosphere and 300~500 DEG C, obtain modified carbon based material III.Mixed molysite and deionized water is added into modified carbon based material III, with NaOH solution tune pH value, 0.5~1.5h is reacted under conditions of nitrogen atmosphere and 60~80 DEG C；Then obtained black suspension is stood, takes lower sediment thing；With deionized water and dehydrated alcohol, alternately washing is to neutrality, and cerium modified charcoal base load Fe is made in dry 2~4h under the conditions of 40~60 DEG C and 0.05~0.08MPa3O4Mimetic enzyme catalyst.Production cost of the present invention is low, and prepared cerium modified charcoal base loads Fe3O4Mimetic enzyme catalyst is high to the removal efficiency of waste water from dyestuff.
Description
Technical field
The invention belongs to load Fe3O4Mimetic enzyme catalyst technical field.In particular to a kind of cerium modified charcoal base loads Fe3O4
Mimetic enzyme catalyst and preparation method thereof.
Background technique
Dyestuff is widely used in the industries such as weaving, leather, printing and dyeing and cosmetics, and waste water from dyestuff not only influences water body aesthetic feeling,
And complicated component and toxicity are big, have great harm to water environment and human health.Current waste water from dyestuff deep treatment method
Mainly there are absorption method, membrane separation process, bioanalysis, flocculent precipitation and advanced oxidation processes etc..Heterogeneous sweet smell in advanced oxidation processes
Oxidizing process of pausing has unique advantage, is based particularly on Fe3O4Heterogeneous Fenton oxidation method, utilize Fe3O4With peroxidase
Catalytic activity and easily by magnet separate and recover characteristic, be used widely in the treatment of waste water, but there are Fe3O4Unstable,
Easily aoxidize the problem not high with activity.Therefore stable, efficient and at low cost novel green catalyst is developed by technical staff
Concern.
Cerium with powerful storage oxygen and puts oxygen ability, with cerium to Fe as most elements is used in lanthanide series metal3O4Into
Row modification can increase the activity, stability and electronics transfer of catalyst, can accelerate the generation of OH, improve the effect of catalyst
Rate.Such as " nanometer Fe3O4/CeO2The preparation method and application of composite material " (CN102327773A) patented technology, the technology use
Fe3O4It is supported on CeO2On, type Fenton catalyst is made, has certain catalytic activity to phenols wastewater, but catalyst amount is big
With it is at high cost；"Fe3O4/CeO2Nanocomposite, preparation method and applications " (CN105498783A) patented technology, the skill
Though Fe is made in art3O4/CeO2Catalyst, but preparation time is long, energy consumption is high and use condition is harsh；A kind of " magnetic type Fenton catalysis
Agent and preparation method thereof " (CN107469827A) patented technology, the Fe of technology synthesis3O4/CeO2Class fenton catalyst, to low
Concentration methylene blue degradation effect is preferable, and efficiency is lower.Although these technologies have all used Fe3O4With CeO2Between collaboration make
With.But the defects of there are preparation time length, severe reaction conditions, low and at high cost catalytic efficiencies.The raws material of wood-charcoal such as active carbon, graphene
Material has great specific surface area and good absorption property, is preferable catalyst carrier material.Such as a kind of " magnetic active carbon
The method of integrated treatment dyeing waste water " (CN105439238A) patented technology, the technology is with active carbon for carrier loaded Fe3O4,
Composite material is made, with H2O2Fenton-like is constituted, but active carbon activation time is too long；A kind of " step conjunction of magnetic graphene
At method " (CN107243344A) patented technology, though the technology is easy to operate, generated time is up to 10h, higher cost.
Summary of the invention
The present invention is directed to overcome prior art defect, and it is an object of the present invention to provide a kind of cerium modified charcoal base at low cost loads Fe3O4
The preparation method of mimetic enzyme catalyst loads Fe with cerium modified charcoal base prepared by this method3O4Mimetic enzyme catalyst removes waste water from dyestuff
It is high-efficient.
In order to achieve the above objectives, the technical solution adopted by the present invention is that:
Step 1: pressing potassium hydroxide: the mass ratio of carbon based material is 2~4: 1, by the potassium hydroxide and the charcoal substrate
Material mixing, microwave activates 5~10min under the conditions of nitrogen atmosphere and 600~750 DEG C, is cooled to 60~90 DEG C；Again with 1~3L/
The flow of min is passed through vapor, and the time for being passed through vapor is 10~15min；Then the salt pickling for being 0.1mol/L with concentration
It washs to neutrality, drying is to get modified carbon based material I.
Step 2: the modified carbon based material I is dipped in cerous nitrate solution, 1~4h of magnetic agitation；Then at 40~60 DEG C
With 2~4h dry under the conditions of 0.05~0.08MPa to get modified carbon based material II.
Step 3: the modified carbon based material II is added in nickel crucible, then be placed in tube furnace, in nitrogen atmosphere and
1~3h is calcined under the conditions of 300~500 DEG C to get modified carbon based material III.
Step 4: pressing the modified carbon based material III: mixed molysite: the mass ratio of deionized water is 1: 1.8~4.1: 50
~100, the mixed molysite and deionized water is added into the modified carbon based material III, adding NaOH solution to pH value is
10~11,0.5~1.5h is then reacted under conditions of nitrogen atmosphere and 60~80 DEG C, obtains black suspension.
Step 5: the black suspension is stood 5~10min, lower sediment thing is taken；Deionized water and anhydrous second are used again
Alternately to neutrality, cerium modified charcoal base load is made in dry 2~4h under the conditions of 40~60 DEG C and 0.05~0.08MPa to alcohol for washing
Fe3O4Mimetic enzyme catalyst.
The KOH content of the potassium hydroxide is 85~90wt%.
The carbon based material is one of coke breeze, semicoke and block coke；Granularity≤0.15mm of the carbon based material.
The power of the microwave is 200~600W.
The concentration of the cerous nitrate solution is one of 0.01mol/L, 0.02mol/L and 0.03mol/L.
The mixed molysite is iron chloride and the mixture of frerrous chloride, the mixture of iron chloride and ferrous sulfate, sulfuric acid
One of the mixture of iron and frerrous chloride, ferric sulfate and mixture of ferrous sulfate；Fe in the mixed molysite2+∶Fe3 +The mass ratio of the material be 3: 4.
The concentration of the NaOH solution is 0.2mol/L.
Due to the adoption of the above technical scheme, the invention has the following advantages over the prior art:
1, the present invention is carrier using modified carbon based material, and raw material sources are extensive, and cheap and easy to get, production cost is low.
2, the present invention calcines resulting CeO by cerous nitrate2It is embedded in Fe3O4Lattice in, utilize CeO2Storage oxygen and release oxygen
The ability of ion, by cooperateing with Fe3O4, significantly improve cerium modified charcoal base load Fe3O4Mimetic enzyme catalyst activity, accelerates H2O2It decomposes
OH is generated, the removal rate to rhodamine B is 91.51~96.34%, high to waste water from dyestuff removal efficiency；It degrades and has to dyestuff
There is efficient, stable and environmental-friendly effect.
3, the cerium modified charcoal base obtained by the present invention loads Fe3O4The specific surface area of mimetic enzyme catalyst is 436~512m2/ g,
Surface oxygen functional group is abundant, good to the compatibility of dyestuff contaminant, reaction time and catalyst amount is reduced, to waste water from dyestuff
Removal efficiency is high.
Therefore, production cost of the present invention is low, and prepared cerium modified charcoal base loads Fe3O4Mimetic enzyme catalyst is to waste water from dyestuff
Removal efficiency it is high.
Detailed description of the invention
Fig. 1 is that a kind of cerium modified charcoal base prepared by the present invention loads Fe3O4The SEM of mimetic enzyme catalyst schemes；
Fig. 2 is that cerium modified charcoal base shown in Fig. 1 loads Fe3O4The energy spectrum diagram of mimetic enzyme catalyst；
Fig. 3 is that cerium modified charcoal base shown in Fig. 2 loads Fe3O4The scanning result of the energy spectrum diagram of mimetic enzyme catalyst；
Fig. 4 is that cerium modified charcoal base shown in Fig. 1 loads Fe3O4The XRD spectra of mimetic enzyme catalyst
Fig. 5 is that cerium modified charcoal base shown in Fig. 1 loads Fe3O4The FTIR spectrogram of mimetic enzyme catalyst；
Fig. 6 is that a kind of cerium modified charcoal base that three embodiments of the invention are respectively prepared loads Fe3O4Mimetic enzyme catalyst is to Luo Dan
The degradation efficiency figure of bright B.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description, not to the limit of its protection scope
System.
It is first that technical parameter Unify legislation involved in present embodiment is as follows to avoid repeating, in embodiment not
It repeats again:
The KOH content of the potassium hydroxide is 85~90wt%.
Granularity≤0.15mm of the carbon based material.
The power of the microwave is 200~600W.
The mixed molysite is iron chloride and the mixture of frerrous chloride, the mixture of iron chloride and ferrous sulfate, sulfuric acid
One of the mixture of iron and frerrous chloride, ferric sulfate and mixture of ferrous sulfate；Fe in the mixed molysite2+∶Fe3 +The mass ratio of the material be 3: 4.
The concentration of the NaOH solution is 0.2mol/L.
Embodiment 1
A kind of cerium modified charcoal base load Fe3O4Mimetic enzyme catalyst and preparation method thereof.Preparation method described in the present embodiment is:
Step 1: pressing potassium hydroxide: the mass ratio of carbon based material is 2~3: 1, by the potassium hydroxide and the charcoal substrate
Material mixing, microwave activates 5~10min under the conditions of nitrogen atmosphere and 600~650 DEG C, is cooled to 60~90 DEG C；Again with 1~3L/
The flow of min is passed through vapor, and the time for being passed through vapor is 10~15min；Then the salt pickling for being 0.1mol/L with concentration
It washs to neutrality, drying is to get modified carbon based material I.
Step 2: the modified carbon based material I is dipped in cerous nitrate solution, 1~4h of magnetic agitation；Then at 40~60 DEG C
With 2~4h dry under the conditions of 0.05~0.08MPa to get modified carbon based material II.
Step 3: the modified carbon based material II is added in nickel crucible, then be placed in tube furnace, in nitrogen atmosphere and
1~2h is calcined under the conditions of 300~400 DEG C to get modified carbon based material III.
Step 4: pressing the modified carbon based material III: mixed molysite: the mass ratio of deionized water is 1: 1.8~2.6: 50
~70, the mixed molysite and deionized water is added into the modified carbon based material III, adding NaOH solution to pH value is
10~11,0.5~1h is then reacted under conditions of nitrogen atmosphere and 60~70 DEG C, obtains black suspension.
Step 5: the black suspension is stood 5~10min, lower sediment thing is taken；Deionized water and anhydrous second are used again
Alternately to neutrality, cerium modified charcoal base load is made in dry 2~4h under the conditions of 40~60 DEG C and 0.05~0.08MPa to alcohol for washing
Fe3O4Mimetic enzyme catalyst.
The carbon based material is coke breeze.
The concentration of the cerous nitrate solution is 0.01mol/L.
Embodiment 2
A kind of cerium modified charcoal base load Fe3O4Mimetic enzyme catalyst and preparation method thereof.Preparation method described in the present embodiment is:
Step 1: pressing potassium hydroxide: the mass ratio of carbon based material is 2.5~3.5: 1, by the potassium hydroxide and the charcoal
Sill mixing, microwave activates 5~10min under the conditions of nitrogen atmosphere and 650~700 DEG C, is cooled to 60~90 DEG C；Again with 1
The flow of~3L/min is passed through vapor, and the time for being passed through vapor is 10~15min；Then the salt for being 0.1mol/L with concentration
Acid elution is to neutrality, and drying is to get modified carbon based material I.
Step 2: the modified carbon based material I is dipped in cerous nitrate solution, 1~4h of magnetic agitation；Then at 40~60 DEG C
With 2~4h dry under the conditions of 0.05~0.08MPa to get modified carbon based material II.
Step 3: the modified carbon based material II is added in nickel crucible, then be placed in tube furnace, in nitrogen atmosphere and
1.5~2.5h is calcined under the conditions of 30~450 DEG C to get modified carbon based material III.
Step 4: pressing the modified carbon based material III: mixed molysite: the mass ratio of deionized water is 1: 2.6~3.4: 65
~85, the mixed molysite and deionized water is added into the modified carbon based material III, adding NaOH solution to pH value is
10~11,0.8~1.2h is then reacted under conditions of nitrogen atmosphere and 65~75 DEG C, obtains black suspension.
Step 5: the black suspension is stood 5~10min, lower sediment thing is taken；Deionized water and anhydrous second are used again
Alternately to neutrality, cerium modified charcoal base load is made in dry 2~4h under the conditions of 40~60 DEG C and 0.05~0.08MPa to alcohol for washing
Fe3O4Mimetic enzyme catalyst.
The carbon based material is semicoke.
The concentration of the cerous nitrate solution is 0.02mol/L.
Embodiment 3
A kind of cerium modified charcoal base load Fe3O4Mimetic enzyme catalyst and preparation method thereof.Preparation method described in the present embodiment is:
Step 1: pressing potassium hydroxide: the mass ratio of carbon based material is 3~4: 1, by the potassium hydroxide and the charcoal substrate
Material mixing, microwave activates 5~10min under the conditions of nitrogen atmosphere and 700~750 DEG C, is cooled to 60~90 DEG C；Again with 1~3L/
The flow of min is passed through vapor, and the time for being passed through vapor is 10~15min；Then the salt pickling for being 0.1mol/L with concentration
It washs to neutrality, drying is to get modified carbon based material I.
Step 2: the modified carbon based material I is dipped in cerous nitrate solution, 1~4h of magnetic agitation；Then at 40~60 DEG C
With 2~4h dry under the conditions of 0.05~0.08MPa to get modified carbon based material II.
Step 3: the modified carbon based material II is added in nickel crucible, then be placed in tube furnace, in nitrogen atmosphere and
2~3h is calcined under the conditions of 400~500 DEG C to get modified carbon based material III.
Step 4: pressing the modified carbon based material III: mixed molysite: the mass ratio of deionized water is 1: 3.4~4.1: 80
~100, the mixed molysite and deionized water is added into the modified carbon based material III, adding NaOH solution to pH value is
10~11,1~1.5h is then reacted under conditions of nitrogen atmosphere and 70~80 DEG C, obtains black suspension.
Step 5: the black suspension is stood 5~10min, lower sediment thing is taken；Deionized water and anhydrous second are used again
Alternately to neutrality, cerium modified charcoal base load is made in dry 2~4h under the conditions of 40~60 DEG C and 0.05~0.08MPa to alcohol for washing
Fe3O4Mimetic enzyme catalyst.
The carbon based material is in block coke.
The concentration of the cerous nitrate solution is 0.03mol/L.
The invention has the following advantages over the prior art:
1, the present invention is carrier using modified carbon based material, and raw material sources are extensive, and cheap and easy to get, production cost is low.
2, the cerium modified charcoal base obtained by the present invention loads Fe3O4Mimetic enzyme catalyst is as shown in fig. 1~fig. 5: Fig. 1 is to apply example 2
A kind of cerium modified charcoal base of preparation loads Fe3O4The SEM of mimetic enzyme catalyst schemes；Fig. 2 is that cerium modified charcoal base shown in Fig. 1 loads Fe3O4
The energy spectrum diagram of mimetic enzyme catalyst；Fig. 3 is that cerium modified charcoal base shown in Fig. 2 loads Fe3O4The scanning knot of the energy spectrum diagram of mimetic enzyme catalyst
Fruit；Fig. 4 is that cerium modified charcoal base shown in Fig. 1 loads Fe3O4The XRD spectra of mimetic enzyme catalyst；Fig. 5 is that cerium modified charcoal base shown in Fig. 1 is negative
Carry Fe3O4The FTIR spectrogram of mimetic enzyme catalyst；
From Fig. 1, it is apparent that prepared cerium modified charcoal base loads Fe3O4The spherical particle of mimetic enzyme catalyst loads
In carrier surface；From figures 2 and 3, it will be seen that the member in range 1 shown in Fig. 2 is known as Fe and Ce element；As seen from Figure 4
Fe3O4And CeO2Diffraction maximum；Prepared cerium modified charcoal base loads Fe as can be seen from Figure 53O4Mimetic enzyme catalyst exists abundant
Oxygen-containing functional group.It was found from FIG. 1 to FIG. 5: CeO2The modified carbon based material of success and Fe3O4Success loads, the cerium modified charcoal of preparation
Base loads Fe3O4Mimetic enzyme catalyst oxygen-containing functional group rich in has good organic matter compatibility.
The cerium modified charcoal base of this concrete mode preparation loads Fe3O4The specific surface area of mimetic enzyme catalyst is 436~512m2/ g,
Reaction time and catalyst amount can be substantially reduced, it is high to waste water from dyestuff removal efficiency.
3, cerium modified charcoal base prepared by the present invention loads Fe3O4Mimetic enzyme catalyst is that resulting CeO is calcined by cerous nitrate2It is embedding
Enter Fe3O4Lattice in, utilize CeO2Storage oxygen and discharge oxonium ion ability, pass through collaboration Fe3O4, significantly improve cerium modified charcoal
Base loads Fe3O4Mimetic enzyme catalyst activity, accelerates H2O2It decomposes and generates OH.Cerium modified charcoal base prepared by the present invention loads Fe3O4
Mimetic enzyme catalyst is to the degradation efficiency of waste water from dyestuff as shown in fig. 6, Fig. 6 is a kind of cerium modified charcoal base that three embodiments are respectively prepared
Load Fe3O4Degradation efficiency figure of the mimetic enzyme catalyst to rhodamine B.The degradation condition is that the initial concentration of rhodamine B is
100mg/L, initial pH are 4, and temperature is 25 DEG C, H2O2Concentration is 30mmmol/L, catalyst amounts 1.0g/L, degradation time
For 120min.From fig. 6, it can be seen that being 91.51~96.34% to the removal rate of rhodamine B, to waste water from dyestuff removal efficiency
It is high；Have the effect of to dyestuff degradation efficient, stable and environmental-friendly.
Therefore, production cost of the present invention is low, and prepared cerium modified charcoal base loads Fe3O4Mimetic enzyme catalyst is to waste water from dyestuff
Removal efficiency it is high.
Claims (8)
1. a kind of cerium modified charcoal base loads Fe3O4The preparation method of mimetic enzyme catalyst, it is characterised in that the preparation method it is specific
Step is:
Step 1: pressing potassium hydroxide: the mass ratio of carbon based material is 2~4: 1, and the potassium hydroxide and the carbon based material are mixed
It closes, microwave activates 5~10min under the conditions of nitrogen atmosphere and 600~750 DEG C, is cooled to 60~90 DEG C；Again with 1~3L/min
Flow be passed through vapor, be passed through vapor time be 10~15min；Then with concentration be 0.1mol/L salt acid elution extremely
Neutrality, drying is to get modified carbon based material I；
Step 2: the modified carbon based material I is dipped in cerous nitrate solution, 1~4h of magnetic agitation；Then at 40~60 DEG C and
Dry 2~4h is under the conditions of 0.05~0.08MPa to get modified carbon based material II；
Step 3: the modified carbon based material II is added in nickel crucible, then it is placed in tube furnace, in nitrogen atmosphere and 300
1~3h is calcined under the conditions of~500 DEG C to get modified carbon based material III；
Step 4: press the modified carbon based material III: mixed molysite: the mass ratio of deionized water be 1: 1.8~4.1: 50~
100, the mixed molysite and deionized water is added into the modified carbon based material III, adding NaOH solution to pH value is 10
~11,0.5~1.5h is then reacted under conditions of nitrogen atmosphere and 60~80 DEG C, obtains black suspension；
Step 5: the black suspension is stood 5~10min, lower sediment thing is taken；It is handed over again with deionized water and dehydrated alcohol
For washing to neutrality, cerium modified charcoal base load Fe is made in dry 2~4h under the conditions of 40~60 DEG C and 0.05~0.08MPa3O4
Mimetic enzyme catalyst.
2. cerium modified charcoal base loads Fe according to claim 13O4The preparation method of mimetic enzyme catalyst, it is characterised in that described
The KOH content of potassium hydroxide is 85~90wt%.
3. cerium modified charcoal base loads Fe according to claim 13O4The preparation method of mimetic enzyme catalyst, it is characterised in that described
Carbon based material is one of coke breeze, semicoke and block coke；Granularity≤0.15mm of the carbon based material.
4. cerium modified charcoal base loads Fe according to claim 13O4The preparation method of mimetic enzyme catalyst, it is characterised in that described
The power of microwave is 200~600W.
5. cerium modified charcoal base loads Fe according to claim 13O4The preparation method of mimetic enzyme catalyst, it is characterised in that described
The concentration of cerous nitrate solution is one of 0.01mol/L, 0.02mol/L and 0.03mol/L.
6. cerium modified charcoal base loads Fe according to claim 13O4The preparation method of mimetic enzyme catalyst, it is characterised in that described
Mixed molysite is iron chloride and the mixture of frerrous chloride, the mixture of iron chloride and ferrous sulfate, ferric sulfate and frerrous chloride
One of mixture, ferric sulfate and the mixture of ferrous sulfate；
Fe in the mixed molysite2+∶Fe3+The mass ratio of the material be 3: 4.
7. cerium modified charcoal base loads Fe according to claim 13O4The preparation method of mimetic enzyme catalyst, it is characterised in that described
NaOH solution concentration be 0.2mol/L.
8. a kind of cerium modified charcoal base loads Fe3O4Mimetic enzyme catalyst, it is characterised in that the cerium modified charcoal base loads Fe3O4Imitative enzyme is urged
Agent be any one of according to claim 1~7 described in cerium modified charcoal base load Fe3O4The preparation method institute of mimetic enzyme catalyst
The cerium modified charcoal base of preparation loads Fe3O4Mimetic enzyme catalyst.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112813060A (en) * | 2020-12-31 | 2021-05-18 | 华南理工大学 | Magnetic nano core-shell structure protease-loaded photocatalyst, and preparation method and application thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008100228A1 (en) * | 2007-02-13 | 2008-08-21 | Agency For Science, Technology And Research | Process for removing organic contaminants from aqueous media |
| CN101601998A (en) * | 2009-06-11 | 2009-12-16 | 浙江省环境保护科学设计研究院 | A kind of Preparation of catalysts method that is used for treating high-concentration organic wastewater through catalytic oxidation |
| CN104667936A (en) * | 2013-11-29 | 2015-06-03 | 中国石油化工股份有限公司 | Method for preparing catalytic wet oxidation catalyst |
| CN105709755A (en) * | 2016-03-22 | 2016-06-29 | 浙江清华长三角研究院 | Biological carbon catalyst, iron carbon catalyst and application of biological carbon catalyst |
| CN106669675A (en) * | 2016-12-27 | 2017-05-17 | 武汉科技大学 | Microwave activated coal-based carbon coupling Fe3O4 imitation enzyme catalyst and preparation method thereof |
| WO2018035882A1 (en) * | 2016-08-25 | 2018-03-01 | 万华化学集团股份有限公司 | Catalyst for catalytic oxidation treatment of organic wastewater, preparation method therefor, and application thereof |
-
2019
- 2019-03-11 CN CN201910179993.6A patent/CN109876817A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008100228A1 (en) * | 2007-02-13 | 2008-08-21 | Agency For Science, Technology And Research | Process for removing organic contaminants from aqueous media |
| CN101601998A (en) * | 2009-06-11 | 2009-12-16 | 浙江省环境保护科学设计研究院 | A kind of Preparation of catalysts method that is used for treating high-concentration organic wastewater through catalytic oxidation |
| CN104667936A (en) * | 2013-11-29 | 2015-06-03 | 中国石油化工股份有限公司 | Method for preparing catalytic wet oxidation catalyst |
| CN105709755A (en) * | 2016-03-22 | 2016-06-29 | 浙江清华长三角研究院 | Biological carbon catalyst, iron carbon catalyst and application of biological carbon catalyst |
| WO2018035882A1 (en) * | 2016-08-25 | 2018-03-01 | 万华化学集团股份有限公司 | Catalyst for catalytic oxidation treatment of organic wastewater, preparation method therefor, and application thereof |
| CN106669675A (en) * | 2016-12-27 | 2017-05-17 | 武汉科技大学 | Microwave activated coal-based carbon coupling Fe3O4 imitation enzyme catalyst and preparation method thereof |
Non-Patent Citations (8)
| Title |
|---|
| ANIRUDDHA GOGOI ET AL: "《Fe3O4-CeO2 metal oxide nanocomposite as a Fenton-like heterogeneous catalyst for degradation of catechol》", 《CHEMICAL ENGINEERING JOURNAL》 * |
| HENG CHEN ET AL: "《Fast preparation of activated carbon from oil sands coke using microwave-assisted activation》", 《FUEL》 * |
| JUAN LIUA ET AL: "《Fe3O4-CeO2 loaded on modified activated carbon as efficient heterogeneous catalyst》", 《COLLOIDS AND SURFACES A》 * |
| LEJIN XU: "Magnetic Nanoscaled Fe3O4/CeO2 Composite as an Efficient Fenton-Like Heterogeneous Catalyst for Degradation of 4‑Chlorophenol", 《ENVIRONMENTAL SCIENCE & TECHNOLOGY》 * |
| 付军丽等: "《纳米磁性材料》", 30 September 2018, 中央民族大学出版社 * |
| 刘国琴等: "《生物化学》", 30 June 2011, 中国农业大学出版社 * |
| 张晓薇等: "Fe3O4/CeO2复合材料催化降解橙黄G的效能及降解途径", 《环境科学研究》 * |
| 王绍文等: "《环保设备材料手册》", 31 August 2000, 冶金工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112813060A (en) * | 2020-12-31 | 2021-05-18 | 华南理工大学 | Magnetic nano core-shell structure protease-loaded photocatalyst, and preparation method and application thereof |
| CN112813060B (en) * | 2020-12-31 | 2023-08-18 | 华南理工大学 | Photo-enzyme catalyst of magnetic nano core-shell structure supported protease, preparation method and application thereof |
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Application publication date: 20190614 |