CN104368362B - A kind of microemulsion photochemical catalyst and its preparation method and application - Google Patents
A kind of microemulsion photochemical catalyst and its preparation method and application Download PDFInfo
- Publication number
- CN104368362B CN104368362B CN201410477445.9A CN201410477445A CN104368362B CN 104368362 B CN104368362 B CN 104368362B CN 201410477445 A CN201410477445 A CN 201410477445A CN 104368362 B CN104368362 B CN 104368362B
- Authority
- CN
- China
- Prior art keywords
- microemulsion
- biobr
- photochemical catalyst
- solution
- catalyst
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Catalysts (AREA)
Abstract
The invention discloses a kind of microemulsion BiOBr photochemical catalyst, with BiBr3、Bi(NO3)3·5H2O or Bi2O3Any one is bismuth source, hydrobromic acid be bromine source, water or ethanol be solvent, ammoniacal liquor is pH adjusting agent, and calgon is dispersant, utilizes easy hydrolysis or alcoholysis method to prepare microemulsion BiOBr photochemical catalyst at normal temperatures.The invention also discloses the preparation method and application of this microemulsion BiOBr photochemical catalyst.Compared with existing BiOBr powder photocatalyst, microemulsion BiOBr photochemical catalyst is present in photocatalysis treatment system with emulsus form, dispersed and reproducible, there is the photocatalysis performance of excellence, both efficiently avoid the defect of the intrinsic easy reunion poor dispersion of powder catalyst and cumbersome process that film catalyst is brought and the problem that activity reduces thereof, ensure again the specific surface area that catalyst is bigger.
Description
Technical field
The present invention relates to a kind of microemulsion photochemical catalyst, specifically a kind of microemulsion BiOBr photochemical catalyst, it prepares
Method and its application in processing organic pollution, belong to inorganic environment-friendly synthesis photocatalyst technology field.
Background technology
In recent years, along with developing rapidly of modern industry (especially dye industry), the problem such as waste water from dyestuff disposal of pollutants added
Acute.Wherein, dye organic pollutant is difficult to be aoxidized by common oxidizer or be degraded by microorganisms, and causes serious water body, soil
And the pollution of ecological environment.Search out a kind of method quick, cost-effective and solve waste water from dyestuff, be that China realizes sustainable development
The subject under discussion that exhibition and fitness-for-all existence must face.
Heterogeneous photocatalysis technology may utilize renewable cleaning solar energy and processes organic pollution, its course of reaction letter
Single, rapidly, thoroughly, non-secondary pollution, the advantage such as the lowest and receive much concern.In recent years, suitable indirect band gap (about 2.92
EV) [the Bi of novel B iOBr semiconductor2O2]2+Layer and Br–There is electrostatic field and layer structure feature thereof between Ceng, give it
Unique electronic structure, good optical property and catalytic performance.Such as, Zhang Li in 2008 knows that professor's report is micro-nano spherical
In BiOBr photocatalysis water treatment under visible light illumination since degradation of organic substances [J. Phys. Chem. C, 2008,112:
747 753], Chinese scholars gives greatly concern to the visible light catalytic performance that it is good, and Oxford University Jiang Zheng teaches [J.
Photochem. Photobiol. A:Chem., 2010,212:8 13], mountain region disaster should put down with Environmental Research Institute Huang and grind
The person of studying carefully [Environ. Sci. Technol., 2011,45:1593 1600], Nankai University [J. Hazard. Mater.,
2011,192:538 544], China Environmental Science Research Institute Meng Wei academician [Appl. Catal. B:Environ.,
2011,107:355 362], Hanoverian, Germany university Bahnemann professor [J. Mol. Catal. A:Chem.,
2012,365:1 7] etc. BiOBr powder photocatalyst is studied respectively, found that visible light photocatalytic degradation methyl
Orange, Microcystin, toluene, tetrabromobisphenol A, the activity of azo dyes Recalcitrant chemicals, be superior to commercial photocatalytic agent
P25。
But, development and the immobilization technology research and development thereof of powder it are concentrated mainly on about the research of BiOBr photochemical catalyst, and
Microemulsion BiOBr photochemical catalyst about high dispersive performance has no report.
Summary of the invention
It is desirable to provide a kind of microemulsion BiOBr photochemical catalyst, compare the catalyst of other forms, can effective mineralising
The organic pollution of the poisonous and harmful difficult degradation such as the methyl orange of trace, phenol, bisphenol-A in water, and recycling performance is good.This
Invention additionally provides the preparation method of this photochemical catalyst and the application in processing organic pollution thereof.
The invention provides a kind of microemulsion BiOBr photochemical catalyst, it is characterised in that: with BiBr3、Bi(NO3)3·5H2O
Or Bi2O3Any one is bismuth source, hydrobromic acid be bromine source, water or ethanol be solvent, ammoniacal liquor is pH adjusting agent, calgon for point
Powder, utilizes hydrolysis or alcoholysis method to prepare microemulsion BiOBr photochemical catalyst at normal temperatures.
The invention provides the preparation method of described microemulsion BiOBr photochemical catalyst, it is characterised in that: include following step
Rapid:
1) weigh containing the bismuth source that bismuth element molal quantity is 0.1～1 mmol, join the beaker filling 5～20 mL solvents
In, stirring at normal temperature dissolves 1～4 h, forms solution A；
2) measure the 0.1 mol/L hydrobromic acid solution of 2～20 mL, be designated as solution B；
3) solution B being gradually added drop-wise in solution A, keeping dripping speed is 1.5 mL/min, is sufficiently stirred for 40 after having titrated
Min, then by dripping 27% concentrated ammonia liquor, after solution ph regulation to 7～10, make both fully react 1～2 h, obtain suspension
Catalyst system, is designated as suspension C；
4) weigh the calgon of 0.001～0.01 mmol, join in above-mentioned suspended catalyst system, then through super
Sound wave is sufficiently mixed, after 1～2 h that vibrate, i.e. can get the BiOBr photochemical catalyst of microemulsion.
In above-mentioned preparation method, described bismuth source is BiBr3、Bi(NO3)3·5H2O or Bi2O3In any one, bismuth element
Addition is 0.02～0.1mol/L solvent.
In above-mentioned preparation method, described solvent is distilled water, alcohol or the mixing of the two；Wherein, distilled water and ethanol are simultaneously
Ratio both during use is 1:1.
The invention provides the application of described microemulsion BiOBr photocatalyst for degrading organic pollution.Described organic dirt
Dye thing is any one in methyl orange, phenol, bisphenol-A.
Described microemulsion BiOBr photocatalyst treatment organic pollution method particularly includes: at normal temperatures and pressures, light source
Irradiating lower use microemulsion BiOBr photochemical catalyst, consumption is to add 10～60 mL in every 100 mL solution containing organic pollution
Microemulsion BiOBr photochemical catalyst, in solution, the concentration of organic pollution is 10 mg/L.
In above-mentioned processing method, described light source be sunshine, simulated solar irradiation, ultraviolet light, visible ray any one.
The present invention takes economic and environment-friendly, simple water or ethanol solution, with BiBr3、Bi(NO3)3·5H2O or Bi2O3
In any one be bismuth source, hydrobromic acid is bromine source, and ammoniacal liquor is pH adjusting agent, and calgon is dispersant, at normal temperatures and pressures
Success prepares microemulsion BiOBr photochemical catalyst, not only eliminate centrifugal, wash and the complex operations such as drying, reduce its industry
It is melted into this and energy resource consumption, and the catalyst obtained has the photocatalysis performance of excellence.Sodium hexametaphosphate dispersant is at solution
In play following three kinds of effects: 1) can effectively reduce the surface tension of solvent, improve wetability and the dispersion effect thereof of particle surface
Really；2) BiOBr nano particle in solution is formed certain cladding, increase particle or intermolecular distance, effectively reduce intermolecular model
Moral China gravity gravitation, improves its decentralization；3) in the solution can be charged by dissociation, and then increase BiOBr nano grain surface electricity
The absolute value of position, improves electrostatic repulsion energy between particle, forms stable dispersion.Therefore by this experimental program, made
BiOBr catalyst be to be present in photocatalysis treatment system with microemulsion form, dispersiveness is high, reproducible, is effectively prevented from
The intrinsic easy reunion of powder catalyst, poor dispersion, the defect easily flown upward, not only decreased powder and polluted but also ensure catalyst relatively
Big specific surface area, shows the feature of approximation catalysis in a homogeneous system, not only improves its photocatalysis performance, and overcome circulation
Defect that during use, powder catalyst separation of solid and liquid is difficult and the cumbersome process that film catalyst is brought and activity reduce
Problem.
Beneficial effects of the present invention:
1, compared with powder and film BiOBr photochemical catalyst, microemulsion BiOBr photochemical catalyst of the present invention has higher light
Catalytic performance, preparation process low-temperature environment-friendly, simple, and needed raw material is simple and easy to get, byproduct is nontoxic, user
Just, it is simple to large-scale production；
2, microemulsion BiOBr photochemical catalyst is to be present in photocatalysis treatment system with emulsus form, dispersed and repeated
Good, efficiently avoid the intrinsic easy reunion of powder catalyst, poor dispersion, the defect easily flown upward, not only reduced powder pollution but also
Ensure the specific surface area that catalyst is bigger；
3, microemulsion BiOBr photochemical catalyst of the present invention can operate with liquid phase and the process of oily pollutant, and its approximation is homogeneous
The feature of catalytic action improves its photocatalysis performance, and overcomes difficult the lacking of powder catalyst separation of solid and liquid during recycling
Fall into the cumbersome process brought with film catalyst and the problem of activity reduction thereof；
4, emulsus catalyst is successfully applied to photocatalytic degradation organic contamination by the invention of microemulsion BiOBr photochemical catalyst
Thing, extends the application of such catalyst.
Accompanying drawing explanation
Fig. 1 be embodiment 1～3 and embodiment 6 prepare the XRD spectrum of microemulsion BiOBr photochemical catalyst.
Fig. 2 is the absorbance change curve that embodiment 6 prepares microemulsion BiOBr photocatalytic degradation bisphenol-A.
Detailed description of the invention
Further illustrate the present invention below by embodiment, but be not limited to following example.
Embodiment 1: utilize Hydrolyze method to prepare microemulsion BiOBr photochemical catalyst
Concretely comprise the following steps:
1) BiBr of 0.2 mmol is weighed3Powder is placed in 5 mL distilled water at normal temperatures, and stirring at normal temperature dissolves 3 h, shape
Become solution A-1；
2) measure 2 mL 0.1 mol/L hydrobromic acid solutions, be designated as solution B-1；
3) solution B-1 being gradually added drop-wise in solution A-1, keeping dripping speed is 1.5 mL/min, to be titrated complete after abundant
Stirring 40 min, and drip 27wt% concentrated ammonia liquor, regulation pH value is 8, after making both fully react 1 h, obtains solution C-1；
4) weigh the calgon of 0.0047 mmol, join in above-mentioned solution C-1, then be sufficiently mixed through ultrasonic wave,
Vibrate after 1 h, i.e. can get the BiOBr photochemical catalyst of microemulsion, be designated as BiOBr-1.
By centrifugation, washing, after drying, we have carried out X-ray to it and have spread out microemulsion catalyst BiOBr-1 obtained as above
Firing table levy as it is shown in figure 1, made catalyst diffraction maximum all with JCPDS 09-0393 standard card on record pure tetragonal phase
BiOBr standard diagram is consistent, shows that preparing catalyst is pure BiOBr.
Embodiment 2: utilize hydrolysis and alcoholysis method to prepare microemulsion BiOBr photochemical catalyst
Concretely comprise the following steps:
1) Bi (NO of 0.4 mmol is weighed3)3·5H2O powder is placed in the mixed of 5 mL water and 5 mL ethanol composition at normal temperatures
In bonding solvent, stirring at normal temperature dissolves 4 h, forms solution A-2；
2) measure 4 mL 0.1 mol/L hydrobromic acid solutions, be designated as solution B-2；
3) solution B-2 being gradually added drop-wise in solution A-2, keeping dripping speed is 1.5 mL/min, to be titrated complete after abundant
Stirring 40 min, and drip 27wt% concentrated ammonia liquor, regulation pH value is 9, after making both fully react 2 h, obtains solution C-2；
4) weigh the calgon of 0.0094 mmol, join in above-mentioned solution C-2, then be sufficiently mixed through ultrasonic wave,
Vibrate after 2 h, i.e. can get the BiOBr photochemical catalyst of microemulsion, be designated as BiOBr-2.
By centrifugation, washing, after drying, we have carried out X-ray to it and have spread out microemulsion catalyst BiOBr-2 obtained as above
Firing table levy as it is shown in figure 1, made catalyst diffraction maximum all with JCPDS 09-0393 standard card on record pure tetragonal phase
BiOBr standard diagram is consistent, shows that preparing catalyst is pure BiOBr.
Embodiment 3: utilize alcoholysis method to prepare microemulsion BiOBr photochemical catalyst
Concretely comprise the following steps:
1) Bi of 0.5 mmol is weighed2O3Powder is placed in 10 mL ethanol at normal temperatures, and stirring at normal temperature dissolves 2 h, is formed
Solution A-3；
2) measure 10 mL 0.1 mol/L hydrobromic acid solutions, be designated as solution B-3；
3) solution B-3 being gradually added drop-wise in solution A-3, keeping dripping speed is 1.5 mL/min, to be titrated complete after abundant
Stirring 40 min, and drip 27wt% concentrated ammonia liquor, regulation pH value is 7, after making both fully react 2 h, obtains solution C-3；
4) weigh the calgon of 0.0098 mmol, join in above-mentioned solution C-3, then be sufficiently mixed through ultrasonic wave,
Vibrate after 2 h, i.e. can get the BiOBr photochemical catalyst of microemulsion, be designated as BiOBr-3.
By centrifugation, washing, after drying, we have carried out X-ray to it and have spread out microemulsion catalyst BiOBr-3 obtained as above
Firing table levy as it is shown in figure 1, made catalyst diffraction maximum all with JCPDS 09-0393 standard card on record pure tetragonal phase
BiOBr standard diagram is consistent, shows that preparing catalyst is pure BiOBr.
Embodiment 4: the application of microemulsion BiOBr photocatalyst for degrading methyl orange solution
1) prepare to treat degradation solution: the most accurately weigh the methyl orange of 10 mg, be dissolved in distilled water, and use volumetric bottle
Being settled to 1000 mL, prepare 10 mg/L treats degradation solution；
2) BiOBr-1, BiOBr-2, BiOBr-3 photochemical catalyst being respectively adopted embodiment 1 ~ 3 gained is carried out at photocatalysis
Manage three groups and treat degradation solution:
Accurately pipette 100 mL above-mentioned 1 with pipette) treat degradation solution, be separately added into BiOBr-1, BiOBr-2, BiOBr-
3 catalyst, temperature of reaction system controls at 25 DEG C, to adsorb 1 h under the conditions of lucifuge, to reaching adsorption equilibrium；Then open
Ultraviolet source, carries out photocatalytic degradation experiment to methyl orange solution, samples once every 5 min, utilizes UV-vis spectroscopy
The concentration remaining methyl orange in solution is analyzed and calculates its degradation rate by photometry.
By the solution C-1 in above-described embodiment 1,2,3, C-2, C-3 respectively by being centrifuged, washing and obtain each system after drying
The powder catalyst that Preparation Method is corresponding, is designated as powder-1, powder-2, powder-3, carries out contrast test, the results are shown in Table shown in 1.
Table 1 is BiOBr microemulsion photochemical catalyst and the corresponding powder catalyst degradation effect to methyl orange of preparation.These
Show that the photocatalytic activity of no matter which kind of preparation method gained microemulsion BiOBr is superior to powder catalyst, can be in 30 min
Reach the degradation effect to methyl orange more than 99%.
The BiOBr emulsus photochemical catalyst of table 1 preparation and the corresponding powder catalyst degradation rate to methyl orange
。
Embodiment 5: the application of microemulsion BiOBr photocatalyst for degrading bisphenol-A solution
1) prepare to treat degradation solution: the most accurately weigh the bisphenol-A of 10 mg, be dissolved in distilled water, and fixed with volumetric bottle
Holding to 1000 mL, prepare 10 mg/L treats degradation solution；
2) BiOBr-1, BiOBr-2, BiOBr-3 photochemical catalyst being respectively adopted embodiment 1 ~ 3 gained is carried out at photocatalysis
Manage three groups and treat degradation solution:
Accurately pipette 100 mL above-mentioned 1 with pipette) treat degradation solution, be separately added into BiOBr-1, BiOBr-2, BiOBr-
3 catalyst, temperature of reaction system controls at 25 DEG C, to adsorb 1 h under the conditions of lucifuge, to reaching adsorption equilibrium；Then open
Simulated solar radiant, carries out photocatalytic degradation experiment to bisphenol-A solution, samples once every 5 min, utilizes ultraviolet-visible
The concentration remaining bisphenol-A in solution is analyzed and calculates its degradation rate by AAS.
By the solution C-1 in above-described embodiment 1,2,3, C-2, C-3 respectively by being centrifuged, washing and obtain each system after drying
The powder catalyst that Preparation Method is corresponding, is designated as powder-1, powder-2, powder-3, carries out contrast test, the results are shown in Table shown in 2.
Table 2 is BiOBr emulsus photochemical catalyst and the corresponding powder catalyst degradation effect to bisphenol-A of preparation.These tables
The photocatalytic activity of bright no matter which kind of preparation method gained microemulsion BiOBr is superior to powder catalyst, can reach in 30 min
To the degradation effect to bisphenol-A more than 98%.
The degradation rate of bisphenol-A is contrasted by BiOBr emulsus photochemical catalyst and the corresponding powder catalyst of table 2 preparation
Embodiment 6: microemulsion BiOBr photochemical catalyst preparation method and application
1, the preparation process of photochemical catalyst
1) Bi of 100 mg (about 0.215 mmol) is weighed with analysis electronic balance2O3Powder, measures 8 mL ethanol with graduated cylinder
Pour small beaker into, at normal temperatures by Bi2O3Powder stirs 3 h and is dissolved in ethanol, forms solution A；
2) measure 5 mL 0.1 mol/L hydrobromic acid solutions with pipette, put into buret, be designated as solution B；
3) solution B is gradually added drop-wise in solution A, keep drip speed be 1.5 mL/min, to be titrated complete after be sufficiently stirred for
40 min, and measure 40 mL 27wt% concentrated ammonia liquors, gradually regulation pH value is 8, after making both fully react 2 h, obtains solution C；
4) weigh the calgon of 6 mg (about 0.0098 mmol), join in above-mentioned solution C, then fill through ultrasonic wave
After dividing mixing, 2 h that vibrate, i.e. can get the BiOBr photochemical catalyst of microemulsion, be designated as BiOBr.
Microemulsion catalyst BiOBr obtained as above by centrifugation, washs, after drying, it has been carried out X-ray diffraction sign
As it is shown in figure 1, the diffraction maximum of made catalyst is all marked with the pure tetragonal phase BiOBr of record on JCPDS 09-0393 standard card
Quasi-collection of illustrative plates is consistent, shows that preparing catalyst is pure BiOBr.
2, Photocatalytic Degradation Process
1) weigh the bisphenol-A powder of 10 mg with analysis electronic balance, be dissolved in 100 mL distilled water, and with quantitatively
Bottle is settled to 1000 mL, and prepare 10 mg/L treats degradation solution；
2) the bisphenol-A solution of prepared microemulsion BiOBr catalyst and 100 mL, 10 mg/L is mixed in quartz beaker
Close, and under light protected environment, stirring a period of time (generally 1 h) in thermostat water bath (controlling temperature is 20 DEG C), treat bisphenol-A
When the concentration of solution no longer changes, i.e. show that photochemical catalyst has reached adsorption-desorption balance, now open adjustable type xenon lamp
Power supply, irradiates degradation solution with simulated solar irradiation, and regulates the quartz beaker distance away from light source and make the every secondary control of its light intensity 110
Klx (10 cm), the most then measure 3 mL degradation solutions every 5 min, is centrifuged separating, and layer clear liquid carries out purple on which
Outward-visible spectrophotometric characterizes, until degradation process terminates, obtains degradation product absorbance versus time curve (see Fig. 2 institute
Show), the extinction peak of bisphenol-A gradually weakens along with the increase of photocatalysis time as can be seen from Figure 2, disappears the most completely after 30 min
Losing, be calculated bisphenol-A degradation rate and reach 99.8%, detailed data is shown in Table 3.
The BiOBr emulsus photochemical catalyst of table 3 preparation degradation rate to bisphenol-A under simulated solar irradiation irradiates
。
Claims (6)
1. a microemulsion BiOBr photochemical catalyst, it is characterised in that: with BiBr3、Bi(NO3)3·5H2O or Bi2O3Any one be
Bismuth source, hydrobromic acid is bromine source, and ammoniacal liquor is pH adjusting agent, and calgon is dispersant, utilizes hydrolysis or alcoholysis method at normal temperatures
Prepare microemulsion BiOBr photochemical catalyst；
The preparation method of described microemulsion BiOBr photochemical catalyst, comprises the following steps:
(1) weigh containing the bismuth source that bismuth element molal quantity is 0.1～1 mmol, join in the beaker filling 5～20 mL solvents,
Stirring at normal temperature dissolves 1～4 h, forms solution A；
(2) measure the 0.1 mol/L hydrobromic acid solution of 2～20 mL, be designated as solution B；
(3) solution B being gradually added drop-wise in solution A, keeping dripping speed is 1.5 mL/min, is sufficiently stirred for 40 after having titrated
Min, then by dripping 27% concentrated ammonia liquor, after solution ph regulation to 7～10, make both fully react 1～2 h, obtain suspension
Catalyst system, is designated as suspension C；
(4) weigh the calgon of 0.001～0.01 mmol, join in above-mentioned suspended catalyst system, then through ultrasonic wave
It is sufficiently mixed, after 1～2 h that vibrate, i.e. obtains the BiOBr photochemical catalyst of microemulsion.
Microemulsion BiOBr photochemical catalyst the most according to claim 1, it is characterised in that: bismuth element in described step (1)
Addition is 0.02～0.1mol/L solvent.
Microemulsion BiOBr photochemical catalyst the most according to claim 1, it is characterised in that: in described step (1), solvent is for steaming
Distilled water, ethanol or the mixing of the two, wherein, the ratio both when distilled water and ethanol use simultaneously is 1:1.
4. the application of the microemulsion BiOBr photocatalyst for degrading organic pollution described in a claim 1, it is characterised in that:
Described organic pollution is any one in methyl orange, phenol, bisphenol-A.
Application the most according to claim 4, it is characterised in that: method particularly includes: at normal temperatures and pressures, light source makes under irradiating
With microemulsion BiOBr photochemical catalyst, consumption is to add 10～60 mL microemulsions in every 100 mL solution containing organic pollution
BiOBr photochemical catalyst, in solution, the concentration of organic pollution is 10 mg/L.
Application the most according to claim 5, it is characterised in that: described light source be sunshine, simulated solar irradiation, ultraviolet light,
Any one of visible ray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410477445.9A CN104368362B (en) | 2014-09-18 | 2014-09-18 | A kind of microemulsion photochemical catalyst and its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410477445.9A CN104368362B (en) | 2014-09-18 | 2014-09-18 | A kind of microemulsion photochemical catalyst and its preparation method and application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104368362A CN104368362A (en) | 2015-02-25 |
| CN104368362B true CN104368362B (en) | 2016-09-07 |
Family
ID=52547708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410477445.9A Active CN104368362B (en) | 2014-09-18 | 2014-09-18 | A kind of microemulsion photochemical catalyst and its preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104368362B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106607063B (en) * | 2015-10-27 | 2019-09-17 | 湖南城市学院 | Float type visible-light photocatalyst and preparation method and application |
| CN108355684B (en) * | 2018-03-02 | 2020-06-02 | 广州大学 | Nanorod-shaped BiOI photocatalyst and preparation method thereof |
| CN109772378B (en) * | 2019-03-28 | 2020-10-16 | 西南大学 | Method for preparing high-activity iron-doped bismuth oxyhalide photo-Fenton catalyst, product and application thereof |
| CN110422905B (en) * | 2019-09-05 | 2021-07-23 | 太原师范学院 | Method for removing bisphenol A by coke-loaded BiOCl catalysis |
| CN112588309B (en) * | 2020-12-30 | 2022-02-08 | 四川大学 | P-doped BiOCl visible-light-driven photocatalyst and preparation method thereof |
| CN114377698B (en) * | 2022-01-18 | 2023-06-02 | 中国科学技术大学 | Bismuth oxybromide composite material, preparation method, photocatalytic decontaminating agent based on bismuth oxybromide composite material and application of bismuth oxybromide composite material |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101879455B (en) * | 2010-07-07 | 2011-12-21 | 太原理工大学 | Preparation and application of bismuth oxychloride as photocatalyst |
| CN102068998B (en) * | 2011-01-14 | 2012-12-12 | 太原理工大学 | Preparation and application methods of BiOBr/BiOCl compound photocatalyst |
| CN104014352A (en) * | 2014-05-14 | 2014-09-03 | 太原理工大学 | Multivariate controllable synthesis method of BiOCl photocatalyst |
-
2014
- 2014-09-18 CN CN201410477445.9A patent/CN104368362B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104368362A (en) | 2015-02-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104368362B (en) | A kind of microemulsion photochemical catalyst and its preparation method and application | |
| CN107298477A (en) | A kind of method for being catalyzed organic pollution in persulfate degrading waste water | |
| CN105567227B (en) | A kind of method that graphene quantum dot is extracted in the solid waste from coffee grounds | |
| CN105921151A (en) | Preparation method and application of beta-FeOOH-loaded graphene oxide catalyst | |
| CN104803441B (en) | A kind of method of solar energy coupled thermomechanics processing acrylonitrile sewage | |
| CN106881111A (en) | Composite bismuth vanadium photocatalyst of cuprous oxide and silver-colored mutual load and its preparation method and application | |
| CN103464111A (en) | Cetyl trimethyl ammonium bromide modified walnut shell absorbent, and preparation method and application thereof | |
| CN105363479A (en) | Magnetic nano photocatalytic material Ag/AgCl@Fe3O4, preparation method and application thereof | |
| Özbaş et al. | Removal of astrazon red 6B from aqueous solution using waste tea and spent tea bag | |
| CN105498750B (en) | Bismuth tungstate/graphene photo-catalyst preparation method with wide spectrum degradation property | |
| CN106268881A (en) | A kind of square block Ag2moO4@Ag@AgBr ternary complex and its preparation method and application | |
| CN105879896B (en) | Cu3B2O6/g‑C3N4The preparation method of heterojunction photocatalyst and its method for degradation of methylene blue waste water from dyestuff | |
| CN106268674B (en) | A kind of preparation of TEPA modified magnetic palm bark adsorbent | |
| CN107188294B (en) | A method of organic pollutant in catalysis percarbonate degrading waste water | |
| CN108295873B (en) | The preparation of porous magnetic compound protein load Er ions BiOCl photochemical catalyst | |
| CN103212405B (en) | Cadmium-doped bismuth molybdate visible-light-induced photocatalyst and preparation method and application of cadmium-doped bismuth molybdate visible-light-induced photocatalyst | |
| CN110433671A (en) | A kind of preparation method and its usage of visible light-inducing automatically cleaning carbon-fiber film | |
| CN104226341B (en) | A kind of Aqueous dispersions type photochemical catalyst and its preparation method and application | |
| CN106732650B (en) | A kind of and doping and load dual modified perovskite type photocatalyst and preparation method thereof | |
| CN108636457B (en) | A kind of APTES-Sb can be used for photochemical catalyst2WO6The preparation method of-GQDs composite material | |
| CN107955523B (en) | A kind of environmental-protecting self visible light catalytic coating and its preparation and application | |
| CN108440576B (en) | A kind of application of hydridization copper iodine cluster and its photocatalytic degradation of dye | |
| CN103861580B (en) | The preparation method of a kind of nanometer of spherical bismuth oxide photocatalyst and application | |
| CN110280313A (en) | A kind of three-dimensional structure load TiO2-xThe preparation method of material | |
| CN108714428A (en) | A kind of nano wire photochemical catalyst and the preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |