CN108993571A - g-C3N4Application in/alkali salt composite photocatalyst material and its wastewater by photocatalysis - Google Patents
g-C3N4Application in/alkali salt composite photocatalyst material and its wastewater by photocatalysis Download PDFInfo
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- CN108993571A CN108993571A CN201810894324.2A CN201810894324A CN108993571A CN 108993571 A CN108993571 A CN 108993571A CN 201810894324 A CN201810894324 A CN 201810894324A CN 108993571 A CN108993571 A CN 108993571A
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- 239000000463 material Substances 0.000 title claims abstract description 77
- 239000002131 composite material Substances 0.000 title claims abstract description 42
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 40
- 239000002351 wastewater Substances 0.000 title claims abstract description 31
- 230000001699 photocatalysis Effects 0.000 title abstract description 12
- 238000007146 photocatalysis Methods 0.000 title abstract description 12
- 150000001447 alkali salts Chemical class 0.000 title abstract description 3
- 239000000126 substance Substances 0.000 claims abstract description 20
- 238000002360 preparation method Methods 0.000 claims abstract description 18
- YSZKDKZFYUOELW-UHFFFAOYSA-N [diphenyl-(4-propan-2-ylcyclohexyl)methyl]benzene Chemical compound C1(=CC=CC=C1)C(C1CCC(CC1)C(C)C)(C1=CC=CC=C1)C1=CC=CC=C1 YSZKDKZFYUOELW-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 16
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 12
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 19
- 238000001035 drying Methods 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 13
- 239000011259 mixed solution Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000010298 pulverizing process Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 230000015556 catabolic process Effects 0.000 abstract description 20
- 238000006731 degradation reaction Methods 0.000 abstract description 20
- 239000013078 crystal Substances 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 14
- 238000006555 catalytic reaction Methods 0.000 abstract description 10
- 238000012545 processing Methods 0.000 abstract description 8
- 238000003672 processing method Methods 0.000 abstract description 5
- 230000003197 catalytic effect Effects 0.000 abstract description 4
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 238000001354 calcination Methods 0.000 description 6
- 239000000975 dye Substances 0.000 description 6
- 229910002804 graphite Inorganic materials 0.000 description 5
- 239000010439 graphite Substances 0.000 description 5
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 5
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 239000003463 adsorbent Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000593 degrading effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000004043 dyeing Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 229910002370 SrTiO3 Inorganic materials 0.000 description 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 1
- 238000005411 Van der Waals force Methods 0.000 description 1
- 235000012544 Viola sororia Nutrition 0.000 description 1
- 241001106476 Violaceae Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000010919 dye waste Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002703 mutagenesis Methods 0.000 description 1
- 231100000350 mutagenesis Toxicity 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002186 photoactivation Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- AAAQKTZKLRYKHR-UHFFFAOYSA-N triphenylmethane Chemical compound C1=CC=CC=C1C(C=1C=CC=CC=1)C1=CC=CC=C1 AAAQKTZKLRYKHR-UHFFFAOYSA-N 0.000 description 1
- 150000004961 triphenylmethanes Chemical class 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000003643 water by type 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/24—Nitrogen compounds
-
- B01J35/19—
-
- B01J35/39—
-
- 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
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
-
- 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
- C02F2101/32—Hydrocarbons, e.g. oil
- C02F2101/327—Polyaromatic Hydrocarbons [PAH's]
-
- 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
-
- 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
- C02F2101/38—Organic compounds containing nitrogen
-
- 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 provides a kind of g-C3N4The preparation method of/alkali salt composite photocatalyst material, for handling the composite photocatalyst material and processing method of triphenylmenthane substance in waste water.Composite photocatalyst material is appealed with CaCO3And C3H6N6For mixed raw material, by raw material mixed preparing be aqueous solution, dry at 60 ~ 80 DEG C 1 ~ 2 h, calcine at 400 ~ 700 DEG C 4 ~ 6 h, cooling grinding and etc. be made.The composite photocatalyst material for being used to handle triphenylmenthane substance in waste water is added in waste water when specific processing and is handled.The advantages that preparation process of the invention is simple and easy to control, easy to operate, at low cost, abundant raw material is easy to get, the visible light catalysis activity of product is high.Composite photocatalyst material of the present invention has excellent photocatalysis performance, and high catalytic efficiency to the triphenylmenthane substance in waste water, is up to 93.17% to the degradation rate of crystal violet.It is with important application prospects in terms of handling organic wastewater.
Description
Technical field
The invention belongs to the synthesis of composite catalyzing material and the Photocatalyst fields of organic wastewater, and in particular to multiple
The preparation method of light combination catalysis material, for handling the composite photocatalyst material of triphenylmenthane substance and processing side in waste water
Method.
Background technique
As today's society expanding economy is rapid and the growth of human population's quantity, we are faced with environmental pollution now
This big problem, and solve this problem and be beneficial to realize sustainable development and improve people's lives quality.Water pollution
As one of the problem of environmental pollution of current global most serious, dyestuff is considered as wherein first wastewater pollutants.It is most of
Dyestuff is inherently synthesis, is usually made of aromatic rings.When they are discharged into waste stream, they be it is inert, can not
It is biodegradable, carcinogenic and mutagenesis can be made one by pollution drinking water.Common dye waste water treatment method include solidification,
Chemical oxidation, filtering, photocatalysis, UF membrane, ion exchange and absorption.The wherein photocatalytic degradation based on catalysis material
Method is still widely used so far because of the features such as processing pollutant is high-efficient, operating cost is few, processing speed is fast, adaptable.
Traditional catalysis material is with TiO2For, with TiO2It has been successfully applied at waste water for the photocatalysis technology of carrier
The multiple fields such as reason, air cleaning, self-cleaning surface, dye-sensitized solar cells and antibacterial.At present to photocatalysis machine
The research achievement of reason still is not enough to instruct the heavy industrialization application of photocatalysis technology, it would be highly desirable to which Efforts To Develop photocatalysis is substantially former
Research work is managed to promote the development in this field.On the other hand, the visible light-responded narrow range of existing catalysis material, quantum
Transfer efficiency is low, and solar energy utilization ratio is low, expensive starting materials, and preparation is complicated, generates pollution to environment, is still and restricts photocatalysis material
Expect the bottleneck of application.Finding and prepare high-quantum efficiency catalysis material is to realize that the prerequisite of luminous energy conversion and light are urged
Change one of the top priority solved required for investigation of materials person.
Summary of the invention
In view of the above shortcomings of the prior art, the technical problem to be solved by the present invention is for light in the prior art
The visible light-responded narrow range of catalysis material, conversion quantum efficiency is low, and solar energy utilization ratio is low, expensive starting materials, and preparation is complicated, to ring
Border leads to the problem of pollution, and it is wide to provide a kind of visible light-responded range, and conversion quantum efficiency is high, and solar energy utilization ratio is high, former
Expect rich and easy to get, preparation is simple, the preparation method of environmental-friendly composite photocatalyst material, for handling triphenylmenthane in waste water
The composite photocatalyst material and processing method of substance.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme: a kind of preparation of composite photocatalyst material
Method includes the following steps:
1) with CaCO3And C3H6N6For mixed raw material, mixed solution is made by the mixed raw material is soluble in water；Wherein, described
CaCO3And C3H6N6Mass ratio be 0.1 ~ 10:90 ~ 99.9；
2) mixed solution that step 1) is prepared is placed in 1 ~ 2 h of drying at 60 ~ 80 DEG C, obtains drying mixing material；
3) the drying mixing material for obtaining step 2 calcines 4 ~ 6 h at 400 ~ 700 DEG C, obtains calcined materials；
4) pulverization process is carried out to the calcined materials that step 3) obtains, obtains the composite photocatalyst material.
Class graphite type carbon nitride (Graphitic carbon nitride, g-C in the prior art3N4) polymer have with
Layer structure as graphite-like on layer is made of C3N3 ring or C6N7 ring, between ring by N atom be connected to form one layer it is unlimited
The plane of extension is combined by weak Van der Waals force between layers, most of inorganic compounds and inorganic metal from
Son can combine or be inserted into g-C3N4In matrix, change its intrinsic property, improves it in catalytic field and use scope, often
It is used as photochemical catalyst field.CaCO3It is a kind of extremely common, the cheap minerals being widely present in nature,
The industrial circles such as electronics, ceramics, coating papermaking, industrially desulfurized, medical, artifical bone are widely used.This field skill so far
Art personnel are that pay close attention to above-mentioned be g-C3N4The photocatalysis performance and CaCO of material3Application industrially.There is no cross to adopt
With class graphite type carbon nitride and CaCO3The correlative study for preparing composite photocatalyst material, in the prior art also without correlative study
Prove class graphite type carbon nitride and CaCO3It may be used as catalysis material and prepare raw material for preparing with excellent photocatalysis performance
Composite photocatalyst material.The present invention breaks through CaCO in the prior art3As the conventional understanding that industrial circle uses, in research class
Graphite type carbon nitride and CaCO3Material obtained, which is chanced on, when two kinds of Material cladding production adsorbent materials does not have suction well
Attached performance, but has photocatalysis performance outstanding, and research is found based on g-C3N4Layer structure and CaCO3What is had is special
Performance changes crystalline structure, the surface group etc. of material by the method for calcining, so that the compound system has excellent light
Catalytic performance especially has good photocatalytic degradation effect to the organic dyestuff in waste water, achieves unexpected light and urge
Change degradation effect.
Further, mass volume ratio >=1:10 of the gross mass of mixed raw material described in step 1) and the water.It is such
Dosage, can both meet makes mixed raw material spread more evenly across the requirement of mixing in water, and in turn avoiding water consumption excessively causes
Too long problem of subsequent drying time.
Further, the mixed raw material is placed in water ultrasonic disperse in step 1) and handles 10 ~ 20 min, it is molten to be made into mixing
Liquid.The method handled using ultrasonic disperse, can effectively improve dispersion efficiency, solute is made more sufficiently thoroughly to be dissolved in mixing
In solution, mixed performance is more preferable.
Further, CaCO described in step 1)3And C3H6N6Mass ratio be 0.1:99.9.It, can using such mass ratio
So that obtained composite photocatalyst material is more preferable to the photocatalytic degradation of triphenylmenthane substance, it can to the degradation efficiency of crystal violet
Up to 93.17%, excellent degradation effect is achieved.
As optimization, drying mixing material is calcined into 4 h at 600 DEG C in step 3).Using such calcination time and
Calcination temperature can make the calcined crystalline structure of composite material be better able to meet the requirement of high degradation efficiency.
It is a kind of for handling the composite photocatalyst material of triphenylmenthane substance in waste water, component includes above method system
The composite photocatalyst material obtained.This composite photocatalyst material compared to the prior art in TiO2、SrTiO3Equal catalysis materials
Photocatalytic degradation effect is stronger, especially has efficient degradation effect to the triphenylmenthane substance in waste water, useless to printing and dyeing
The triphenylmethanes mass degradation efficiency such as various crystal violets in water is fast, good degrading effect, compared in existing dyeing waste water three
Phenylmethane substance processing photoactivation material achieves unexpected degradation effect.
The processing method of triphenylmenthane substance, is used to handle triphenylmenthane substance in waste water for described in a kind of waste water
Composite photocatalyst material add 15 ~ 180 min of lighting process in waste water；Wherein, the composite photocatalyst material and waste water
Mass volume ratio be 0.2 ~ 1.0 g:1000 mL.According to such processing method to the triphenylmenthane substance in waste water into
It is good not only to have ensure that degradation treatment effect for row photocatalytic degradation, but also when shortening the processing of triphenylmenthane substance in existing waste water
Between, there are good market prospects.
As optimization, the mass volume ratio of the composite photocatalyst material and waste water is 1.0 g:1000 mL, lighting process
Time is 120 min.Under such treatment conditions, degradation effect is best.
As optimization, the organic dyestuff is crystal violet.The method of the present invention is best to the removal effect of crystal violet, to crystallization
Purple degradation efficiency is up to 93.17%.
Compared with prior art, the invention has the following beneficial effects: the method for the present invention to break through class graphite mould in the prior art
Carbonitride and graphene, oxide, simple substance element, polymer etc. carry out preparing composite material, CaCO3As industrial circle application
Conventional understanding, be based on g-C3N4Layer structure and CaCO3Collaboration compatibility effect, calcining be made with excellent light
The composite photocatalyst material of catalytic performance, the composite photocatalyst material is fast to the triphenylmethane mass degradation efficiency in waste water,
Good degrading effect is especially up to 93.17% to the light degradation of crystal violet, achieves unexpected degradation treatment effect.And this hair
Bright method preparation process is simple, for operating convenient, short processing time when wastewater treatment, has good industrialized production and city
Field application prospect.
Specific embodiment
Invention is further described in detail combined with specific embodiments below.The implementation case is being with the technology of the present invention
Under the premise of implemented, now provide detailed embodiment and specific operating process illustrate the present invention it is creative, but
Protection scope of the present invention embodiment not limited to the following.
Embodiment 1:
A kind of preparation method of composite photocatalyst material, includes the following steps:
1) 0.135g CaCO is taken respectively3、17.865g C3H6N6As mixed raw material, mixed raw material is dissolved in 15 mL deionizations
In water, then 15 min of ultrasonic disperse is uniformly mixed it, obtains mixed solution.
2) mixed solution for obtaining step 1) is placed in 60 DEG C of baking ovens, dries 1.5 h, more in mixed solution to remove
Remaining moisture obtains drying mixing material.
3) step 2 drying mixing material being placed in Muffle furnace and is calcined, temperature is set as 600 DEG C, calcination time 4h,
Obtain calcined materials.
4) it after the calcined materials that step 3) obtains are cooled to room temperature, is urged with mortar after finely ground to get the complex light of preparation
Material.
The present embodiment additionally provides a kind of for handling the adsorbent of triphenylmenthane substance in waste water, and group is divided into this reality
Apply composite photocatalyst material made from an above method.
The catalysis material for being used to handle triphenylmenthane substance in waste water is added into the crystal violet solution into 10 mg/L
In (waste water of the simulation containing organic dyestuff), the mass volume ratio of the composite photocatalyst material and crystal violet solution is 1.0g:
1000 mL carry out light degradation to crystal violet solution at 25 DEG C and handle 150 min, use such processing method as the result is shown,
87.25% may be up to the degradation efficiency of crystal violet, achieve degradation effect outstanding.
Embodiment 2:
A kind of preparation method of composite photocatalyst material, includes the following steps:
1) 0.9g CaCO is taken respectively3、17.1 g C3H6N6As mixed raw material, mixed raw material is dissolved in 20 mL deionized waters
In, then 20 min of ultrasonic disperse is uniformly mixed it, obtains mixed solution.
2) mixed solution for obtaining step 1) is placed in 80 DEG C of baking ovens, dries 2 h, extra in mixed solution to remove
Moisture obtains drying mixing material.
3) step 2 drying mixing material being placed in Muffle furnace and is calcined, temperature is set as 600 DEG C, calcination time 4h,
Obtain calcined materials.
4) after the calcined materials that step 3) obtains are cooled to room temperature, with the finely ground composite photocatalyst to get preparation of mortar
Material.
The present embodiment additionally provides a kind of for handling the adsorbent of triphenylmenthane substance in waste water, and group is divided into this reality
Apply composite photocatalyst material made from an above method.
The composite photocatalyst material for being used to handle triphenylmenthane substance in waste water is added into the crystal violet into 10 mg/L
In solution (waste water of the simulation containing organic dyestuff), the mass volume ratio of the composite photocatalyst material and crystal violet solution is
1.0g:1000 mL carries out light degradation to crystal violet solution at 25 DEG C and handles 150 min, uses such processing as the result is shown
Method may be up to 93.17% to the degradation efficiency of crystal violet, achieve degradation effect outstanding.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (6)
1. a kind of preparation method of composite photocatalyst material, which comprises the steps of:
1) with CaCO3And C3H6N6For mixed raw material, mixed solution is made by the mixed raw material is soluble in water；Wherein, described
CaCO3And C3H6N6Mass ratio be 0.1 ~ 10:90 ~ 99.9；
2) mixed solution that step 1) is prepared is placed in 1 ~ 2 h of drying at 60 ~ 80 DEG C, obtains drying mixing material；
3) the drying mixing material for obtaining step 2 calcines 4 ~ 6 h at 400 ~ 700 DEG C, obtains calcined materials；
4) pulverization process is carried out to the calcined materials that step 3) obtains, obtains the composite photocatalyst material.
2. the preparation method of composite photocatalyst material according to claim 1, which is characterized in that mixed described in step 1) former
Mass volume ratio >=1:10 of the gross mass of material and the water.
3. the preparation method of composite photocatalyst material according to claim 1, which is characterized in that by the mixing in step 1)
Raw material is placed in water ultrasonic disperse and handles 10 ~ 20 min, is made into mixed solution.
4. the preparation method of composite photocatalyst material according to claim 1, which is characterized in that CaCO described in step 1)3With
C3H6N6Mass ratio be 0.1:99.9.
5. the preparation method of composite photocatalyst material according to claim 1, which is characterized in that mix drying in step 3)
Material calcines 4 h at 600 DEG C.
6. a kind of for handling the composite photocatalyst material of triphenylmenthane substance in waste water, which is characterized in that its component includes
Composite photocatalyst material made from any the method for claim 1 ~ 5.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110280207A (en) * | 2019-07-02 | 2019-09-27 | 重庆工商大学 | Alkali salt/g-C3N4The application of composite adsorbing material and its absorption degradation triphenylmethane dye waste water |
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