CN108906108A - A kind of N-SrTiO3/ active carbon handles microwave method synthesis technology and its application of material - Google Patents
A kind of N-SrTiO3/ active carbon handles microwave method synthesis technology and its application of material Download PDFInfo
- Publication number
- CN108906108A CN108906108A CN201810751895.0A CN201810751895A CN108906108A CN 108906108 A CN108906108 A CN 108906108A CN 201810751895 A CN201810751895 A CN 201810751895A CN 108906108 A CN108906108 A CN 108906108A
- Authority
- CN
- China
- Prior art keywords
- active carbon
- srtio
- handles
- solution
- microwave method
- 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.)
- Granted
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 84
- 239000000463 material Substances 0.000 title claims abstract description 68
- 229910002370 SrTiO3 Inorganic materials 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 34
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 14
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 14
- 239000002351 wastewater Substances 0.000 claims abstract description 39
- 238000009713 electroplating Methods 0.000 claims abstract description 28
- 229910002367 SrTiO Inorganic materials 0.000 claims abstract description 25
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 17
- 239000003054 catalyst Substances 0.000 claims abstract description 16
- 230000035484 reaction time Effects 0.000 claims abstract description 7
- 239000000243 solution Substances 0.000 claims description 36
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical group [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 27
- DHEQXMRUPNDRPG-UHFFFAOYSA-N strontium nitrate Chemical compound [Sr+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O DHEQXMRUPNDRPG-UHFFFAOYSA-N 0.000 claims description 22
- 238000003756 stirring Methods 0.000 claims description 20
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 18
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 claims description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 14
- 150000002500 ions Chemical class 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 12
- 239000011941 photocatalyst Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims description 11
- 239000007864 aqueous solution Substances 0.000 claims description 9
- 239000012153 distilled water Substances 0.000 claims description 9
- 235000010299 hexamethylene tetramine Nutrition 0.000 claims description 9
- 239000004312 hexamethylene tetramine Substances 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 235000019441 ethanol Nutrition 0.000 claims description 7
- DDGFRKCTCQKGEI-UHFFFAOYSA-N [C].[N+](=O)(O)[O-] Chemical compound [C].[N+](=O)(O)[O-] DDGFRKCTCQKGEI-UHFFFAOYSA-N 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 abstract description 10
- 230000003197 catalytic effect Effects 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 230000002195 synergetic effect Effects 0.000 abstract description 3
- 230000002194 synthesizing effect Effects 0.000 abstract description 3
- 150000001721 carbon Chemical class 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 description 8
- 229910001430 chromium ion Inorganic materials 0.000 description 8
- WLZRMCYVCSSEQC-UHFFFAOYSA-N cadmium(2+) Chemical compound [Cd+2] WLZRMCYVCSSEQC-UHFFFAOYSA-N 0.000 description 7
- 238000004090 dissolution Methods 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000003610 charcoal Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000011157 advanced composite material Substances 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 125000001997 phenyl group Chemical class [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/24—Nitrogen compounds
-
- 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
- B01J37/344—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
- B01J37/346—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 of microwave 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- 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
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
Abstract
The present invention relates to a kind of N-SrTiO3/ active carbon handles microwave method synthesis technology and its application of material, and the technique is using active carbon as carrier, N-SrTiO3Photochemical catalyst is active component, and microwave method is used to load a certain amount of photochemical catalyst on the activated carbon to prepare N-SrTiO3/ active Carbon composites, new material for the processing of heavy metal out of electroplating wastewater and COD have many advantages, such as efficient, raw material is cheap and easy to get, it is easily separated, reusable, secondary pollution will not be generated.The present invention is using the active carbon of high-specific surface area as the carrier of photochemical catalyst, the N-SrTiO of microwave method synthesizing high specific surface area3/ active carbon handles material, while microwave method is substantially shorter the reaction time, improves material catalytic performance；In addition, the modified SrTiO of carried with doped N on active carbon3, the two is with synergistic effect, the high treating effect of heavy metal and COD, N-SrTiO3The stability that/active carbon handles material is high；Present invention process preparation process is simple and easy to control, has good economic benefit.
Description
Technical field
The invention belongs to technical field of waste water processing, are related to a kind of preparation of use in waste water treatment advanced composite material (ACM), specifically
It is to be related to a kind of N-SrTiO that ground, which is said,3/ active carbon handles microwave method synthesis technology and its application of material.
Background technique
Active carbon is a kind of with highly developed pore structure, the stable superior adsorbent of physicochemical properties.It is benefit
It is manufactured through catalytic activation under high temperature and certain pressure with the organic material for being rich in carbon, such as charcoal, fat coal, shell.
There are numerous micro-pores staggeredly to communicate inside active carbon, aperture is 1 × 10-10μm~1 × 10-6μm, this makes the ratio of active carbon
Surface area is up to 1000m2/ g or more, flourishing pore structure are the main reason for active carbon possess powerful absorption property.In recent years
Come, active carbon gradually starts the purification applied to water and air, Yi Jiyou as a kind of high-tech environment-friendly engineering material
The processing of machine pollutant, it is however generally that, active carbon is mainly used for last advanced treatment process.It is gone using active carbon adsorption technology
Except the method for heavy metals in industrial wastewater ion and COD at home and abroad obtain increasingly extensive application, which has equipment letter
List, occupied area is small, does not generate the advantages that secondary pollution.
In addition, photocatalysis technology is also a kind of novel advanced catalytic oxidation technology, it can be with the benzene series in oxidative degradation water
Each type organic such as object, chlorine-containing compound, synthetic dyestuffs, surfactant and pesticide, lead, chromium, platinum, gold in reduction treatment water
Etc. heavy metal ion.Have many advantages, such as that easy to operate, at low cost, degradation rate is fast, reaction condition is mild, without secondary pollution, is
A kind of water pollution processing technique of new green energy saving.Utilize N doping vario-property photochemical catalyst SrTiO3, form catalyst new
Absorption band expands catalyst to the absorption region of light, and this method can effectively improve the catalytic activity of photochemical catalyst.
Using active carbon as catalyst carrier, by metal oxide etc., other catalyst are supported on its surface, can be improved
The catalysis efficiency of the catalyst such as active carbon and metal oxide.Active carbon is as electron acceptor, the electricity that photochemical catalyst is generated
Son passes to pollutant, and then plays the effect of degradation, and the synergistic effect of the two can effectively adsorb a huge sum of money in the treatment of waste water
Category and COD, and fortifying catalytic degradation can be played the role of and administer waste water.
Summary of the invention
In order to overcome the shortcomings of the prior art, the present invention provides a kind of N-SrTiO3/ active carbon handles material
Microwave method synthesis technology and its application, the technique is with easy to operate, at low cost, degradation rate is fast, reaction condition is mild, nothing two
The advantages that secondary pollution, while the reaction time can be greatly shortened using microwave process for synthesizing, improve the catalytic performance of material.
A kind of N-SrTiO3/ active carbon handles the microwave method synthesis technology of material, includes the following steps：
(1) butyl titanate is dissolved in isopropanol, is denoted as a solution；Strontium nitrate is dissolved in distilled water, b solution is denoted as；
Under stirring, b solution is added dropwise in a solution, obtains mixed liquor after adding mineralizer and the source N stirring and dissolving；
(2) a certain proportion of active carbon is weighed by photocatalyst amount, be dispersed in mixed liquor, in microwave reaction
It stirs and reacts in device, through rinsing after terminating, dry N-SrTiO3/ active carbon handles material.
Present invention process is using active carbon as carrier, N-SrTiO3Photochemical catalyst is active component, using microwave method in activity
A certain amount of photochemical catalyst is loaded on charcoal to prepare N-SrTiO3/ activity Carbon composites, the present invention use microwave reactor not only
Can be greatly shortened in the reaction time, while the catalytic performance of material can also be improved.
Preferably, the molar ratio of the butyl titanate and strontium nitrate is 1 in step (1)：0.9~1.2.
Preferably, mineralizer is potassium hydroxide aqueous solution in step (1), the source N is hexamethylenetetramine, mixing time
For 0.5~2h.
Preferably, the active carbon nitric acid dousing of 1M handles 0.5~1h in step (2), specific surface area is 1200~
1500m2/g。
Preferably, photocatalyst amount is 1~10wt% in step (2).
Preferably, microwave reaction temperature is 100~180 DEG C in step (2), the reaction time is 5~20min.
Preferably, photochemical catalyst SrTiO in step (2)3It is the material after N doping vario-property, N-SrTiO3/ activity
The specific surface area that charcoal handles material is 1000~1500m2/g。
The present invention also provides the N-SrTiO that above-mentioned technique is prepared3/ active carbon handles material in the treatment of waste water
Using.
Preferably, the application includes the following steps：A certain amount of electroplate factory's electroplating wastewater is taken, the N- of certain mass is added
SrTiO3/ active carbon handles material, and N-SrTiO is added in analysis detection3/ active carbon handles the huge sum of money in the electroplating wastewater of material front and back
Belong to the concentration of ion and COD；Wherein, the N-SrTiO3It is 1 that/active carbon, which handles the quality of material and the volume ratio of electroplating wastewater,
~5g：1L.
Preferably, the N-SrTiO3/ active carbon handles the application of material, includes the following steps：
(1) 3.40g butyl titanate is dissolved in 100ml isopropanol, is denoted as a solution；2.21g strontium nitrate is dissolved in
In 100ml distilled water, it is denoted as b solution；Under stirring, b solution is added dropwise in a solution, 0.1M potassium hydroxide aqueous solution conduct
Mineralizer adds N source of the 0.28g hexamethylenetetramine as doping, obtains mixed liquor after stirring and dissolving；
(2) it is that 5wt% weighs active carbon by photocatalyst amount, is dispersed in mixed liquor, in microwave reactor
In 20min is stirred and reacted at 100 DEG C, after with ethyl alcohol rinse product, in air dry oven at 60 DEG C it is dry for 24 hours
N-SrTiO3/ active carbon handles material；
(3) N-SrTiO of 3g is added in 1L electroplate factory electroplating wastewater3/ active carbon handles material, and N- is added in analysis detection
SrTiO3/ active carbon handles the concentration of heavy metal ion and COD in the electroplating wastewater of material front and back.
The present invention using the active carbon of high-specific surface area as the carrier of photochemical catalyst, microwave method synthesizing high specific surface area
N-SrTiO3/ active carbon handles material, and synthesis cycle greatly shortens, and improves material catalytic performance；In addition, load is mixed on active carbon
The miscellaneous modified SrTiO of N3, the two is with synergistic effect, the high treating effect of heavy metal and COD, N-SrTiO3The processing of/active carbon
The stability of material is high.
Specific embodiment
The present invention is further explained in the light of specific embodiments, but invention which is intended to be protected is not limited to
This.
Embodiment 1
N-SrTiO3The preparation of/active carbon processing material：3.40g butyl titanate is dissolved in 100ml isopropanol, is denoted as
A solution；2.21g strontium nitrate is dissolved in 100ml distilled water, b solution is denoted as；With vigorous stirring, a is added dropwise in b solution
In solution, 0.1M potassium hydroxide aqueous solution adds N source of the 0.28g hexamethylenetetramine as doping, stirring as mineralizer
Mixed liquor is obtained after dissolution.Active carbon is weighed in the ratio that photocatalyst amount is 10wt%, is dispersed in mixed liquor,
20min is vigorously stirred and reacted in microwave reactor at 100 DEG C, after with ethyl alcohol rinse product, in air dry oven
It dries at 60 DEG C for 24 hours to get N-SrTiO3/ active carbon handles material.
The processing of waste water：The inorganic agent of 1g is added in electroplate factory of the Linan City 1L electroplating wastewater, N- is added in analysis detection
SrTiO3/ active carbon handles the concentration of heavy metal ion and COD in the electroplating wastewater of material front and back.Chromium ion is gone as the result is shown
Except rate reaches 93.5%, the removal rate that the removal rate of cadmium ion reaches 91.1%, COD reaches 83.4%.
Embodiment 2
N-SrTiO3The preparation of/active carbon processing material：3.40g butyl titanate is dissolved in 100ml isopropanol, is denoted as
A solution；2.21g strontium nitrate is dissolved in 100ml distilled water, b solution is denoted as；With vigorous stirring, a is added dropwise in b solution
In solution, 0.1M potassium hydroxide aqueous solution adds N source of the 0.28g hexamethylenetetramine as doping, stirring as mineralizer
Mixed liquor is obtained after dissolution.Active carbon is weighed in the ratio that photocatalyst amount is 1wt%, is dispersed in mixed liquor,
5min is vigorously stirred and reacted in microwave reactor at 180 DEG C, after with ethyl alcohol rinse product, 60 in air dry oven
It dries at DEG C for 24 hours to get N-SrTiO3/ active carbon handles material.
The processing of waste water：The inorganic agent of 1g is added in electroplate factory of the Linan City 1L electroplating wastewater, N- is added in analysis detection
SrTiO3/ active carbon handles the concentration of heavy metal ion and COD in the electroplating wastewater of material front and back.Chromium ion is gone as the result is shown
Except rate reaches 91.4%, the removal rate that the removal rate of cadmium ion reaches 90.2%, COD reaches 85.3%.
Embodiment 3
N-SrTiO3The preparation of/active carbon processing material：3.40g butyl titanate is dissolved in 100ml isopropanol, is denoted as
A solution；2.21g strontium nitrate is dissolved in 100ml distilled water, b solution is denoted as；With vigorous stirring, a is added dropwise in b solution
In solution, 0.1M potassium hydroxide aqueous solution adds N source of the 0.28g hexamethylenetetramine as doping, stirring as mineralizer
Mixed liquor is obtained after dissolution.Active carbon is weighed in the ratio that photocatalyst amount is 5wt%, is dispersed in mixed liquor,
15min is vigorously stirred and reacted in microwave reactor at 160 DEG C, after with ethyl alcohol rinse product, in air dry oven
It dries at 60 DEG C for 24 hours to get N-SrTiO3/ active carbon handles material.
The processing of waste water：The inorganic agent of 1g is added in electroplate factory of the Linan City 1L electroplating wastewater, N- is added in analysis detection
SrTiO3/ active carbon handles the concentration of heavy metal ion and COD in the electroplating wastewater of material front and back.Chromium ion is gone as the result is shown
Except rate reaches 96.3%, the removal rate that the removal rate of cadmium ion reaches 93.5%, COD reaches 87.1%.
Embodiment 4
N-SrTiO3The preparation of/active carbon processing material：3.40g butyl titanate is dissolved in 100ml isopropanol, is denoted as
A solution；2.21g strontium nitrate is dissolved in 100ml distilled water, b solution is denoted as；With vigorous stirring, a is added dropwise in b solution
In solution, 0.1M potassium hydroxide aqueous solution adds N source of the 0.28g hexamethylenetetramine as doping, stirring as mineralizer
Mixed liquor is obtained after dissolution.Active carbon is weighed in the ratio that photocatalyst amount is 5wt%, is dispersed in mixed liquor,
15min is vigorously stirred and reacted in microwave reactor at 160 DEG C, after with ethyl alcohol rinse product, in air dry oven
It dries at 60 DEG C for 24 hours to get N-SrTiO3/ active carbon handles material.
The processing of waste water：The N-SrTiO of 3g is added in electroplate factory of the Linan City 1L electroplating wastewater3/ active carbon handles material
N-SrTiO is added in material, analysis detection3/ active carbon handles the concentration of heavy metal ion and COD in the electroplating wastewater of material front and back.
The removal rate of chromium ion reaches 99.8% as the result is shown, and the removal rate that the removal rate of cadmium ion reaches 99.5%, COD reaches
90.1%.
Embodiment 5
N-SrTiO3The preparation of/active carbon processing material：3.40g butyl titanate is dissolved in 100ml isopropanol, is denoted as
A solution；2.21g strontium nitrate is dissolved in 100ml distilled water, b solution is denoted as；With vigorous stirring, a is added dropwise in b solution
In solution, 0.1M potassium hydroxide aqueous solution adds N source of the 0.28g hexamethylenetetramine as doping, stirring as mineralizer
Mixed liquor is obtained after dissolution.Active carbon is weighed in the ratio that photocatalyst amount is 5wt%, is dispersed in mixed liquor,
15min is vigorously stirred and reacted in microwave reactor at 160 DEG C, after with ethyl alcohol rinse product, in air dry oven
It dries at 60 DEG C for 24 hours to get N-SrTiO3/ active carbon handles material.
The processing of waste water：The N-SrTiO of 5g is added in electroplate factory of the Linan City 1L electroplating wastewater3/ active carbon handles material
N-SrTiO is added in material, analysis detection3/ active carbon handles the concentration of heavy metal ion and COD in the electroplating wastewater of material front and back.
The removal rate of chromium ion reaches 99.9% as the result is shown, and the removal rate that the removal rate of cadmium ion reaches 99.7%, COD reaches
90.3%.
Comparative example 1
N-SrTiO3The preparation that/active carbon handles material is similar with the process of embodiment 1, but dry in air blast using hydro-thermal method
It is reacted in dry case, reaction temperature is 160 DEG C, and reaction time 180min, photocatalyst 5wt%, remaining step is identical,
Obtain N-SrTiO3/ active carbon inorganic agent.
The processing of waste water：The inorganic agent of 3g is added in electroplate factory of the Linan City 1L electroplating wastewater, N- is added in analysis detection
SrTiO3The concentration of heavy metal ion and COD before and after/active carbon inorganic agent in electroplating wastewater.The removal of chromium ion as the result is shown
Rate is 83.1%, and the removal rate that the removal rate of cadmium ion is 80.5%, COD is 72.1%.
Comparative example 2
The active carbon of 3g is added in electroplate factory of the Linan City 1L electroplating wastewater, before active carbon inorganic agent is added in analysis detection
The concentration of heavy metal ion in electroplating wastewater and COD afterwards.The removal rate of chromium ion reaches 73.2% as the result is shown, cadmium ion
The removal rate that removal rate reaches 71.3%, COD reaches 53.3%.
Comparative example 3
N-SrTiO3Preparation embodiment 1 process it is similar, but be added without active carbon, reaction temperature is 160 DEG C, when reaction
Between be 15min, remaining step is identical, obtains N-SrTiO3Sample.
The N-SrTiO of 3g is added in electroplate factory of the Linan City 1L electroplating wastewater3, analysis detection addition N-SrTiO3Processing
The concentration of heavy metal ion and COD before and after agent in electroplating wastewater.The removal rate of chromium ion reaches 62.6% as the result is shown, cadmium from
The removal rate that the removal rate of son reaches 54.5%, COD reaches 62.5%.
Process conditions of above-described embodiment 1~5 and comparative example 1~3 and the results are shown in Table 1：
Table 1
The present invention handles processing of the material for heavy metal out of electroplating wastewater and COD with efficient, raw material is cheap and easy to get, easy
It separates, is reusable, the advantages that secondary pollution will not be generated, while microwave method is substantially shorter the reaction time, improves material
Catalytic performance；Present invention process preparation process is simple and easy to control, has good economic benefit.
Claims (10)
1. a kind of N-SrTiO3The microwave method synthesis technology of/active carbon processing material, it is characterised in that include the following steps：
(1) butyl titanate is dissolved in isopropanol, is denoted as a solution；Strontium nitrate is dissolved in distilled water, b solution is denoted as；Stirring
Under, b solution is added dropwise in a solution, obtains mixed liquor after adding mineralizer and the source N stirring and dissolving；
(2) a certain proportion of active carbon is weighed by photocatalyst amount, be dispersed in mixed liquor, in microwave reactor
It stirs and reacts, through rinsing after terminating, dry N-SrTiO3/ active carbon handles material.
2. N-SrTiO according to claim 13The microwave method synthesis technology of/active carbon processing material, it is characterised in that：Step
(1) in, the molar ratio of the butyl titanate and strontium nitrate is 1：0.9~1.2.
3. N-SrTiO according to claim 13The microwave method synthesis technology of/active carbon processing material, it is characterised in that：Step
(1) in, mineralizer is potassium hydroxide aqueous solution, and the source N is hexamethylenetetramine, and mixing time is 0.5~2h.
4. N-SrTiO according to claim 13The microwave method synthesis technology of/active carbon processing material, it is characterised in that：Step
(2) the active carbon nitric acid dousing of 1M handles 0.5~1h in, and specific surface area is 1200~1500m2/g。
5. N-SrTiO according to claim 13The microwave method synthesis technology of/active carbon processing material, it is characterised in that：Step
(2) photocatalyst amount is 1~10wt% in.
6. N-SrTiO according to claim 13The microwave method synthesis technology of/active carbon processing material, it is characterised in that：Step
(2) microwave reaction temperature is 100~180 DEG C in, and the reaction time is 5~20min.
7. N-SrTiO according to claim 13The microwave method synthesis technology of/active carbon processing material, it is characterised in that：Step
(2) photochemical catalyst SrTiO in3It is the material after N doping vario-property, N-SrTiO3/ active carbon processing material specific surface area be
1000~1500m2/g。
8. N-SrTiO described in a kind of claim 13/ active carbon handles the application of material in the treatment of waste water.
9. N-SrTiO according to claim 83The application of/active carbon processing material, it is characterised in that include the following steps：It takes
A certain amount of electroplate factory's electroplating wastewater, is added the N-SrTiO of certain mass3/ active carbon handles material, and N- is added in analysis detection
SrTiO3/ active carbon handles the concentration of heavy metal ion and COD in the electroplating wastewater of material front and back；Wherein, the N-SrTiO3/
It is 1~5g that active carbon, which handles the quality of material and the volume ratio of electroplating wastewater,：1L.
10. N-SrTiO according to claim 93The application of/active carbon processing material, it is characterised in that include the following steps：
(1) 3.40g butyl titanate is dissolved in 100ml isopropanol, is denoted as a solution；2.21g strontium nitrate is dissolved in 100ml to steam
In distilled water, it is denoted as b solution；Under stirring, b solution is added dropwise in a solution, 0.1M potassium hydroxide aqueous solution as mineralizer,
N source of the 0.28g hexamethylenetetramine as doping is added, obtains mixed liquor after stirring and dissolving；
(2) by photocatalyst amount be 5wt% weigh active carbon, be dispersed in mixed liquor, in microwave reactor in
20min is stirred and reacted at 100 DEG C, after with ethyl alcohol rinse product, in air dry oven at 60 DEG C it is dry for 24 hours N-
SrTiO3/ active carbon handles material；
(3) N-SrTiO of 3g is added in 1L electroplate factory electroplating wastewater3/ active carbon handles material, and N- is added in analysis detection
SrTiO3/ active carbon handles the concentration of heavy metal ion and COD in the electroplating wastewater of material front and back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810751895.0A CN108906108B (en) | 2018-07-10 | 2018-07-10 | N-SrTiO3Microwave synthesis process of active carbon treatment material and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810751895.0A CN108906108B (en) | 2018-07-10 | 2018-07-10 | N-SrTiO3Microwave synthesis process of active carbon treatment material and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108906108A true CN108906108A (en) | 2018-11-30 |
| CN108906108B CN108906108B (en) | 2021-07-13 |
Family
ID=64411670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810751895.0A Active CN108906108B (en) | 2018-07-10 | 2018-07-10 | N-SrTiO3Microwave synthesis process of active carbon treatment material and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108906108B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111097384A (en) * | 2019-12-16 | 2020-05-05 | 合肥学院 | C-Bi2O3-CuO-ZnO adsorption material and preparation method and application thereof |
| CN111470548A (en) * | 2020-04-13 | 2020-07-31 | 山东鲁北国际新材料研究院有限公司 | Binary transition metal oxide-charcoal composite material and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010151231A1 (en) * | 2009-06-22 | 2010-12-29 | Nanyang Technological University | Doped catalytic carbonaceous composite materials and uses thereof |
| US20110149473A1 (en) * | 2009-12-21 | 2011-06-23 | Eilertsen Thor E | Energy storage in edlcs by utilizing a dielectric layer |
| CN102698787A (en) * | 2012-06-06 | 2012-10-03 | 哈尔滨工业大学 | Synthesis method of CN/SrTiO3 composite photocatalysts |
| CN102947247A (en) * | 2010-03-02 | 2013-02-27 | 特洁安科技有限公司 | Photocatalyst composition of matter |
| CN106512722A (en) * | 2016-12-23 | 2017-03-22 | 安吉润风空气净化科技有限公司 | Photocatalytic air purifier |
-
2018
- 2018-07-10 CN CN201810751895.0A patent/CN108906108B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010151231A1 (en) * | 2009-06-22 | 2010-12-29 | Nanyang Technological University | Doped catalytic carbonaceous composite materials and uses thereof |
| US20110149473A1 (en) * | 2009-12-21 | 2011-06-23 | Eilertsen Thor E | Energy storage in edlcs by utilizing a dielectric layer |
| CN102947247A (en) * | 2010-03-02 | 2013-02-27 | 特洁安科技有限公司 | Photocatalyst composition of matter |
| CN102698787A (en) * | 2012-06-06 | 2012-10-03 | 哈尔滨工业大学 | Synthesis method of CN/SrTiO3 composite photocatalysts |
| CN106512722A (en) * | 2016-12-23 | 2017-03-22 | 安吉润风空气净化科技有限公司 | Photocatalytic air purifier |
Non-Patent Citations (6)
| Title |
|---|
| ADINAVEEN, T. ET AL: "Hierarchically arranged strontium oxide nanospheres - Impregnated carbon cloth for high performance supercapacitor electrodes", 《JOURNAL OF ELECTROANALYTICAL CHEMISTRY》 * |
| JING XU ET AL: "Erbium and nitrogen co-doped SrTiO3 with highly visible light photocatalytic activity and stability by solvothermal synthesis", 《MATERIALS RESEARCH BULLETIN》 * |
| REN, HAITAO ET AL: "The enhancement of photocatalytic performance of SrTiO3 nanoparticles via combining with carbon quantum dots", 《RSC ADVANCES》 * |
| UYI SULAEMAN ET AL: "Visible Light Photocatalytic Properties of Ta and N Codoped SrTiO3 Nanoparticles", 《INTERNATIONAL JOURNAL OF OPTICS》 * |
| ZHANG, DONG ET AL: "Preparation of Nano-Strontium Titanate Based on Glass Fiber Filter and Its Application in Speciation Analysis for Chromium", 《ASIAN JOURNAL OF CHEMISTRY》 * |
| 吴盈: "宽光谱响应钙钛矿型光催化材料的研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111097384A (en) * | 2019-12-16 | 2020-05-05 | 合肥学院 | C-Bi2O3-CuO-ZnO adsorption material and preparation method and application thereof |
| CN111470548A (en) * | 2020-04-13 | 2020-07-31 | 山东鲁北国际新材料研究院有限公司 | Binary transition metal oxide-charcoal composite material and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108906108B (en) | 2021-07-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104324756B (en) | A kind of preparation method and application of mesoporous metal organic coordination compound based composites | |
| CN104028283B (en) | The method of magnetic carbon material load metallic catalyst and the dechlorination of catalysis chlorophenol thereof | |
| CN105344368B (en) | A kind of preparation method and application of transition metal phosphide for hydrogenation-dechlorination reaction | |
| CN102000573B (en) | Modified activated carbon and application thereof | |
| US11369943B2 (en) | Starch-based carbon composite and use thereof in selective and efficient adsorption of mercury ion and methylene blue | |
| CN108380214B (en) | A kind of preparation of modified meerschaum and method applied to wastewater treatment | |
| CN108404973A (en) | A kind of bimetallic catalyst and the preparation method and application thereof of ZSM-5 loads | |
| CN108906108A (en) | A kind of N-SrTiO3/ active carbon handles microwave method synthesis technology and its application of material | |
| CN105642368B (en) | A kind of modified TiO2/ CNTs composite catalysts and preparation method thereof | |
| CN108178370B (en) | Method for breaking nickel-containing complex by persulfate and catalytic ceramsite participating in advanced oxidation | |
| CN108355686B (en) | A kind of PtO/Pt4+- BiOCl photochemical catalyst and its preparation method and application | |
| CN109772423B (en) | Phosphorus and bismuth co-doped porous graphite phase carbon nitride photocatalyst and application thereof | |
| CN110508277A (en) | A kind of high dispersive palladium nanoparticle catalyst and its preparation method and application | |
| CN107774293B (en) | N-doped graphene-loaded Pd catalyst, and preparation method and application thereof | |
| CN105819564A (en) | Treatment method for paraformaldehyde wastewater | |
| CN105709735B (en) | A kind of chlorobenzene catalytic converting catalyst and its preparation method and application | |
| CN111943850B (en) | Method for preparing methyl nitrite by reaction of dilute nitric acid and methanol | |
| CN107051480A (en) | The preparation method of ozone Heterogeneous oxidation solid catalyst | |
| CN114100650B (en) | Ozone-hydrogen peroxide catalytic oxidation catalyst and method for treating biochemical wastewater by using same | |
| CN117427632A (en) | Polypyrrole derived carbon coated metal catalyst and preparation and application thereof | |
| CN115739134A (en) | Method for preparing composite catalyst for vinyl chloride synthesis by using ruthenium trichloride waste | |
| CN115505130A (en) | Lignin-based metal organic complex and preparation method and application thereof | |
| CN109759076A (en) | A kind of composite catalyst and preparation method thereof | |
| CN107008377A (en) | The preparation method of ozone Heterogeneous oxidation solid catalyst | |
| CN107983151A (en) | Environment-friendly materials of nitrogen oxides and preparation method thereof in a kind of purification air |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |