CN110075840A - The application of the sodium vanadium borate and its degrading chlorophenol pollutant of area load gold - Google Patents
The application of the sodium vanadium borate and its degrading chlorophenol pollutant of area load gold Download PDFInfo
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- CN110075840A CN110075840A CN201910341727.9A CN201910341727A CN110075840A CN 110075840 A CN110075840 A CN 110075840A CN 201910341727 A CN201910341727 A CN 201910341727A CN 110075840 A CN110075840 A CN 110075840A
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- sodium vanadium
- gold
- area load
- borate
- chlorophenol
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- CREJQHVUQQJPAD-UHFFFAOYSA-N [V+5].B([O-])([O-])[O-].[Na+].B([O-])([O-])[O-] Chemical compound [V+5].B([O-])([O-])[O-].[Na+].B([O-])([O-])[O-] CREJQHVUQQJPAD-UHFFFAOYSA-N 0.000 title claims abstract description 57
- ISPYQTSUDJAMAB-UHFFFAOYSA-N 2-chlorophenol Chemical compound OC1=CC=CC=C1Cl ISPYQTSUDJAMAB-UHFFFAOYSA-N 0.000 title claims abstract description 44
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 239000010931 gold Substances 0.000 title claims abstract description 42
- 229910052737 gold Inorganic materials 0.000 title claims abstract description 42
- 239000003344 environmental pollutant Substances 0.000 title claims abstract description 33
- 231100000719 pollutant Toxicity 0.000 title claims abstract description 33
- 230000000593 degrading effect Effects 0.000 title claims abstract description 20
- 229910052724 xenon Inorganic materials 0.000 claims abstract description 32
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000002360 preparation method Methods 0.000 claims abstract description 7
- 239000000243 solution Substances 0.000 claims description 25
- 238000003756 stirring Methods 0.000 claims description 4
- FDWREHZXQUYJFJ-UHFFFAOYSA-M gold monochloride Chemical compound [Cl-].[Au+] FDWREHZXQUYJFJ-UHFFFAOYSA-M 0.000 claims description 2
- 239000011259 mixed solution Substances 0.000 claims description 2
- 238000002604 ultrasonography Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 12
- 238000006298 dechlorination reaction Methods 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 8
- 238000006555 catalytic reaction Methods 0.000 abstract description 6
- 230000003287 optical effect Effects 0.000 abstract description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 abstract 1
- SJUCACGNNJFHLB-UHFFFAOYSA-N O=C1N[ClH](=O)NC2=C1NC(=O)N2 Chemical compound O=C1N[ClH](=O)NC2=C1NC(=O)N2 SJUCACGNNJFHLB-UHFFFAOYSA-N 0.000 description 10
- 239000000843 powder Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000008367 deionised water Substances 0.000 description 5
- 229910021641 deionized water Inorganic materials 0.000 description 5
- 238000004108 freeze drying Methods 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- 238000011068 loading method Methods 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 3
- -1 chlorophenol Class compound Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 230000001988 toxicity Effects 0.000 description 3
- 231100000419 toxicity Toxicity 0.000 description 3
- 229910001868 water Inorganic materials 0.000 description 3
- GTWMCYZXHLGFIS-UHFFFAOYSA-N 6,6-dichlorocyclohexa-2,4-dien-1-one Chemical compound ClC1(Cl)C=CC=CC1=O GTWMCYZXHLGFIS-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- DNLDJFJLZNETDB-UHFFFAOYSA-N [V+5].[V+5].[V+5].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-] Chemical compound [V+5].[V+5].[V+5].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-].[O-]B([O-])[O-] DNLDJFJLZNETDB-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 230000001699 photocatalysis Effects 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- VGVRPFIJEJYOFN-UHFFFAOYSA-N 2,3,4,6-tetrachlorophenol Chemical class OC1=C(Cl)C=C(Cl)C(Cl)=C1Cl VGVRPFIJEJYOFN-UHFFFAOYSA-N 0.000 description 1
- GQKDZDYQXPOXEM-UHFFFAOYSA-N 3-chlorocatechol Chemical compound OC1=CC=CC(Cl)=C1O GQKDZDYQXPOXEM-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 238000003917 TEM image Methods 0.000 description 1
- LBZRRXXISSKCHV-UHFFFAOYSA-N [B].[O] Chemical group [B].[O] LBZRRXXISSKCHV-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000013556 antirust agent Substances 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000002363 herbicidal effect Effects 0.000 description 1
- 239000004009 herbicide Substances 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002068 microbial inoculum Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 201000004409 schistosomiasis Diseases 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- IBYSTTGVDIFUAY-UHFFFAOYSA-N vanadium monoxide Chemical group [V]=O IBYSTTGVDIFUAY-UHFFFAOYSA-N 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/66—Silver or gold
- B01J23/68—Silver or gold with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/682—Silver or gold with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with vanadium, niobium, tantalum or polonium
-
- B01J35/39—
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
- B01J37/341—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation
- B01J37/343—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation of ultrasonic wave energy
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
- B01J37/341—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation
- B01J37/344—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation of electromagnetic wave energy
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/34—Organic compounds containing oxygen
- C02F2101/345—Phenols
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/36—Organic compounds containing halogen
Abstract
The application of the sodium vanadium borate and its degrading chlorophenol pollutant of area load gold.The present invention relates to a kind of sodium vanadium borates of area load gold, wherein the mass ratio of the gold and sodium vanadium borate is 0.0096-0.05:1.The invention also discloses the applications of preparation method and degrading chlorophenol pollutant.The present invention is degraded chlorophenol pollutants using sodium vanadium borate under xenon lamp irradiation to it, and after 100 minutes, the dechlorination efficiency of chlorophenol reaches as high as 90% or more.Operation of the present invention simple process and low cost, the dechlorination that can efficiently, be quickly used in chlorinated aromatic hydrocarbons, it is important that the optical response range for having widened catalysis material, which makes it under visible light, can also have the ability of excellent degrading chlorophenol pollutant.
Description
Technical field
The invention belongs to pollution control fields, and in particular to a kind of sodium vanadium borate of area load gold and preparation method thereof
And the application of degrading chlorophenol pollutant.
Background technique
Catalysis material such as TiO2、ZnO、CdS、MnO2、Fe2O3Deng due to its photocatalytic activity is good, chemical stability is good,
Inexpensively, the features such as highly-safe, nontoxic, without secondary pollution, it has also become study most commonly used catalysis material at present.But this
Class catalysis material has preferable photo-catalysis capability, photoresponse to solar energy use less efficient, only in UV light region
Narrow range, quantum efficiency is low, limits the application of such material.Therefore the research hotspot of catalysis material mainly urges light at present
Changing material and being modified research makes it under visible light and has the performances such as preferable absorption.
The sodium vanadium borate Na that boron oxygen groups and vanadium oxygen groups combine3VO2B6O11It (NVB) is a kind of with d0Electron configuration
Polarity catalysis material, however the optical response range of sodium vanadium borate be ultraviolet region, that is, wave-length coverage be less than 420nm, application
It is restricted.
Water pollution has become the significant problem for seriously affecting ecological environment and human survival.Organic dyestuff, benzene series have
Machine object and pathogen are the major pollutants in waste water, are concerned due to its toxicity is big, degradability is poor the features such as.Wherein chlorophenol
Class compound has the characteristics that stench, peculiar smell and high toxicity, is widely used in the preservation of timber against decay agent, antirust agent, herbicide, kills
In the industry such as microbial inoculum and papermaking, the prevention and treatment of snail fever, many industrialized country's chlorophenols are also used in Asia, Africa and South America
Production scale it is very huge.Chlorophenols aromatic compound toxicity is big, difficult for biological degradation, has " three cause " effect and heredity poison
Property, extended residual, degradation cycle are long in the environment, are classified as priority pollutants by Environmental Protection Agency USA.Chlorinated phenols
It is a large amount of use, the understanding of the harm of early stage parachlorphenol and toxicity is insufficient and it is incident ignore for a long time, cause chlorophenol to pollute
It is very serious, great harm is caused to the mankind and environment.Chlorophenol pollution controls oneself grinding as whole world Environmental Science
Study carefully hot spot, is one of key subjects of field of environmental improvement.
Summary of the invention
To solve the shortcomings and deficiencies of the prior art, the purpose of the present invention is to provide a kind of sodium of area load gold
The method of vanadium borate and preparation method thereof and degrading chlorophenol pollutant.
The purpose of the invention is achieved by the following technical solution:
The mass ratio of a kind of sodium vanadium borate of area load gold, the gold and sodium vanadium borate is 0.0096-0.05:1.
A kind of preparation method of the sodium vanadium borate of area load gold, includes the following steps:
By containing the mixed solution of Jin Yuan and sodium vanadium borate ultrasound, 30min is irradiated under xenon lamp, is centrifuged to obtain the surface
The sodium vanadium borate of gold-supported；
Wherein the gold of the Jin Yuanzhong and the mass ratio of sodium vanadium borate are 0.0096-0.05:1.
Preferably, the Jin Yuanwei gold chloride.
Preferably, the xenon lamp launch wavelength is λ > 200nm.
The application of the sodium vanadium borate degrading chlorophenol pollutant of the area load gold, includes the following steps:
The sodium vanadium borate of the area load gold is added in solution containing chlorophenol pollutants, stirring is protected from light, then in xenon
80-210min is irradiated under lamp；
Wherein the mass ratio of the sodium vanadium borate of the area load gold and chlorophenol pollutants is 50-100:1.
Preferably, described stir continues 30-60min.
Preferably, the xenon lamp emission wavelength lambda > 420nm, energy averag density are 502mW/cm2。
Preferably, the chlorophenol pollutants are 2-chlorophenol.
Method used in the present invention is advanced oxidization method, in the presence of photochemical catalyst, by chlorophenol pollutants xenon lamp
Irradiation makes it generate various concentration free radical with the variation of time, chlorophenol pollutant dechlorination chain rupture is made to form small molecule carboxylic
Acid and the solution containing chlorine, for details, reference can be made to following reaction formulas:
Photochemical catalyst → photochemical catalyst (e-+h+) (1)
h++H2O→·OH+H+ (2)
e-+O2→·O2 - (3)
·O2 -+H+→HOO·→·OH (4)
·OH+C6H4Cl2O→C6H5ClO2+Cl- (5)
e-+C6H4Cl2O→C6H4ClO+Cl- (6)
Method of the invention is degraded chlorophenol pollutants using sodium vanadium borate under xenon lamp irradiation to it, passes through height
Effect liquid phase chromatogram instrument analyzes the photocatalytic degradation efficiency of chlorophenol with the changing rule of light application time, finds the chlorine after 100 minutes
The dechlorination efficiency of phenol reaches as high as 90% or more.
Detailed description of the invention
Fig. 1 is the XRD diffracting spectrum after sodium vanadium boric acid salt powder and area load gold；
A and b in Fig. 2 are SEM and the TEM image after sodium vanadium boric acid salt powder area load is golden respectively.
Fig. 3 is that the sodium vanadium borate degrading chlorophenol class of area load gold in sodium vanadium borate and embodiment 3 in comparative example is dirty
The efficiency chart for contaminating object, wherein-■-represents sodium vanadium borate ,-●-represent the sodium vanadium borate of area load gold.
Specific embodiment
Below with reference to embodiment, the present invention is described in further detail, and embodiments of the present invention are not limited thereto.
Comparative example:
A method of using sodium vanadium borate degrading chlorophenol pollutant, include the following steps:
1g 2-chlorophenol is dissolved in 100ml methanol, ultrasonic 30-60min makes the solution of its stable homogeneous.It takes
Stable solution described in 0.1mL, is placed in 250mL beaker, and water is added to make 2-chlorophenol concentration dilution to 20mg/L；Weigh the sodium of 50mg
Vanadium boric acid salt powder is added thereto (its XRD spectrum is as shown in Figure 1), and 30min is stirred under the conditions of being protected from light, and then pipettes 1mL and sets
In to be measured in liquid phase bottle；Surplus solution is irradiated into 100min, system under stabilized illumination, wavelength X > 420nm xenon lamp
18cm is exported away from xenon lamp, xenon lamp spot diameter is 80mm, samples 1mL every 30min, is carried out to all samples having been taken out high
Effect liquid phase chromatogram analysis, analyzes the degradation efficiency of pollutant.As a result as shown in figure 3,100 minutes 2-chlorophenol dechlorination efficiencies are
81.1%.
Embodiment 1
A method of using the sodium vanadium borate degrading chlorophenol pollutant of area load gold, include the following steps:
Configuration quality concentration is the chlorauric acid solution of 1g/100mL, takes configured chlorauric acid solution 2ml, sodium vanadium borate
1g adds deionized water to 50ml, shakes up ultrasonic 10min, be then λ > 200nm in launch wavelength in the crystallising dish of diameter 60mm
Xenon lamp under irradiate 30min, system exports 18cm away from xenon lamp, and xenon lamp spot diameter is 80mm, electric current 20A.After reaction
Solution is transferred in 50ml centrifuge tube, centrifuge washing 3 times, then freeze-drying collects powder sample and obtains surface gold loading
For the sodium vanadium borate of 1wt%.
1g 2-chlorophenol is dissolved in 100ml methanol, ultrasonic 30-60min makes the solution of its stable homogeneous.It takes
Stable solution described in 0.1mL, is placed in 250mL beaker, adds water that it is made to be diluted to 20mg/L, and it is negative to weigh surface gold described in 50mg
Carrying capacity is that the sodium vanadium borate of 1wt% is added thereto, and 30min is stirred under the conditions of being protected from light, 1mL is then pipetted and is placed in liquid phase bottle
It is to be measured.Surplus solution is irradiated into 100min under stabilized illumination, wavelength X > 420nm xenon lamp, system is exported away from xenon lamp
18cm, xenon lamp spot diameter are 80mm, sample 1mL every 20min, carry out high performance liquid chromatography to all samples having been taken out
Analysis, analyzes the degradation efficiency of pollutant.100 minutes 2-chlorophenol dechlorination efficiencies can reach 83.5% as the result is shown.
Embodiment 2
A method of using the sodium vanadium borate degrading chlorophenol pollutant of area load gold, include the following steps:
Configuration quality concentration is the chlorauric acid solution of 1g/100mL, takes configured chlorauric acid solution 4ml, sodium vanadium borate
1g adds deionized water to 50ml, shakes up ultrasonic 10min, be then λ > 200nm in launch wavelength in the crystallising dish of diameter 60mm
Xenon lamp under irradiate 30min, system exports 18cm away from xenon lamp, and xenon lamp spot diameter is 80mm, electric current 20A.After reaction
Solution is transferred in 50ml centrifuge tube, centrifuge washing 3 times, then freeze-drying collects powder sample and obtains surface gold loading
For the sodium vanadium borate of 2wt%.
Subsequent step and condition are the same as embodiment 1.100 minutes 2-chlorophenol dechlorination efficiencies are 83.9% as the result is shown.
Embodiment 3
A method of using the sodium vanadium borate degrading chlorophenol pollutant of area load gold, include the following steps:
Configuration quality concentration is the chlorauric acid solution of 1g/100mL, takes configured chlorauric acid solution 6ml, sodium vanadium borate
1g adds deionized water to 50ml, shakes up ultrasonic 10min, be then λ > 200nm in launch wavelength in the crystallising dish of diameter 60mm
Xenon lamp under irradiate 30min, system exports 18cm away from xenon lamp, and xenon lamp spot diameter is 80mm, electric current 20A.After reaction
Solution is transferred in 50ml centrifuge tube, centrifuge washing 3 times, then freeze-drying collects powder sample and obtains surface gold loading
For the sodium vanadium borate of 3wt%.
Subsequent step and condition are the same as embodiment 1.As shown in figure 3,100 minutes 2-chlorophenol dechlorination efficiencies are as the result is shown
92.0%.
Embodiment 4
A method of using the sodium vanadium borate degrading chlorophenol pollutant of area load gold, include the following steps:
Configuration quality concentration is the chlorauric acid solution of 1g/100mL, takes configured chlorauric acid solution 8ml, sodium vanadium borate
1g adds deionized water to 50ml, shakes up ultrasonic 10min, be then λ > 200nm in launch wavelength in the crystallising dish of diameter 60mm
Xenon lamp under irradiate 30min, system exports 18cm away from xenon lamp, and xenon lamp spot diameter is 80mm, electric current 20A.After reaction
Solution is transferred in 50ml centrifuge tube, centrifuge washing 3 times, then freeze-drying collects powder sample and obtains surface gold loading
For the sodium vanadium borate of 4wt%.
Subsequent step and condition are the same as embodiment 1.100 minutes 2-chlorophenol dechlorination efficiencies are 84.6% as the result is shown.
Embodiment 5
A method of using the sodium vanadium borate degrading chlorophenol pollutant of area load gold, include the following steps:
Configuration quality concentration is the chlorauric acid solution of 1g/100mL, takes configured chlorauric acid solution 10ml, sodium vanadium boric acid
Salt 1g adds deionized water to shake up ultrasonic 10min to 50ml in the crystallising dish of diameter 60mm, then launch wavelength be λ >
30min is irradiated under the xenon lamp of 200nm, system exports 18cm away from xenon lamp, and xenon lamp spot diameter is 80mm, electric current 20A.Reaction knot
Solution is transferred in 50ml centrifuge tube after beam, centrifuge washing 3 times, then it is negative to obtain surface gold for freeze-drying collection powder sample
Carrying capacity is the sodium vanadium borate of 5wt%.
Subsequent step and condition are the same as embodiment 1.100 minutes 2-chlorophenol dechlorination efficiencies are 84.1% as the result is shown.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (9)
1. a kind of sodium vanadium borate of area load gold, which is characterized in that the gold and the mass ratio of sodium vanadium borate are
0.0096-0.05:1.
2. a kind of preparation method of the sodium vanadium borate of area load gold, which comprises the steps of:
By containing the mixed solution of Jin Yuan and sodium vanadium borate ultrasound, 30min is irradiated under xenon lamp, is centrifuged to obtain the area load
The sodium vanadium borate of gold；
Wherein the gold of the Jin Yuanzhong and the mass ratio of sodium vanadium borate are 0.0096-0.05:1.
3. a kind of preparation method of the sodium vanadium borate of area load gold according to claim 2, which is characterized in that described
Jin Yuanwei gold chloride.
4. a kind of preparation method of the sodium vanadium borate of area load gold according to claim 2, which is characterized in that described
Xenon lamp launch wavelength is λ > 200nm.
5. application of the sodium vanadium borate of the gold of area load described in claim 1 in terms of degrading chlorophenol pollutant.
6. application of the sodium vanadium borate of area load gold in terms of degrading chlorophenol pollutant according to claim 5,
It is characterized in that, includes the following steps:
The sodium vanadium borate of the area load gold is added in solution containing chlorophenol pollutants, stirring is protected from light, then under xenon lamp
Irradiate 80-210min；
Wherein the mass ratio of the sodium vanadium borate of the area load gold and chlorophenol pollutants is 50-100:1.
7. application of the sodium vanadium borate of area load gold in terms of degrading chlorophenol pollutant according to claim 6,
It is characterized in that, described stir continues 30-60min.
8. application of the sodium vanadium borate of area load gold in terms of degrading chlorophenol pollutant according to claim 6,
It is characterized in that, the xenon lamp emission wavelength lambda > 420nm, energy averag density is 502mW/cm2。
9. application of the sodium vanadium borate of area load gold in terms of degrading chlorophenol pollutant according to claim 6,
It is characterized in that, the chlorophenol pollutants are 2-chlorophenol.
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