CN108786854A - A kind of compound cadmium sulfide photochemical catalyst - Google Patents
A kind of compound cadmium sulfide photochemical catalyst Download PDFInfo
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- CN108786854A CN108786854A CN201710314408.XA CN201710314408A CN108786854A CN 108786854 A CN108786854 A CN 108786854A CN 201710314408 A CN201710314408 A CN 201710314408A CN 108786854 A CN108786854 A CN 108786854A
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- 239000003054 catalyst Substances 0.000 title claims abstract description 35
- 229910052980 cadmium sulfide Inorganic materials 0.000 title claims abstract description 19
- -1 compound cadmium sulfide Chemical class 0.000 title claims abstract description 16
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 14
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 10
- 239000010445 mica Substances 0.000 claims abstract description 10
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 10
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 10
- LHQLJMJLROMYRN-UHFFFAOYSA-L cadmium acetate Chemical compound [Cd+2].CC([O-])=O.CC([O-])=O LHQLJMJLROMYRN-UHFFFAOYSA-L 0.000 claims abstract description 9
- RFVNOJDQRGSOEL-UHFFFAOYSA-N 2-hydroxyethyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCCO RFVNOJDQRGSOEL-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229940100242 glycol stearate Drugs 0.000 claims abstract description 8
- 150000000703 Cerium Chemical class 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 238000002360 preparation method Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 6
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 4
- 239000000908 ammonium hydroxide Substances 0.000 claims description 4
- OZECDDHOAMNMQI-UHFFFAOYSA-H cerium(3+);trisulfate Chemical group [Ce+3].[Ce+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O OZECDDHOAMNMQI-UHFFFAOYSA-H 0.000 claims description 4
- 229910000333 cerium(III) sulfate Inorganic materials 0.000 claims description 4
- 238000002604 ultrasonography Methods 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 2
- 229910002651 NO3 Inorganic materials 0.000 claims description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 2
- 238000000227 grinding Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 229910052684 Cerium Inorganic materials 0.000 claims 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims 1
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 claims 1
- 229910017604 nitric acid Inorganic materials 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 7
- 238000010521 absorption reaction Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000011148 porous material Substances 0.000 abstract description 2
- 230000001699 photocatalysis Effects 0.000 description 7
- 238000007146 photocatalysis Methods 0.000 description 6
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000011538 cleaning material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 description 1
- 229940043267 rhodamine b Drugs 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment 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
- B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
- B01J27/04—Sulfides
- B01J27/047—Sulfides with chromium, molybdenum, tungsten or polonium
- B01J27/049—Sulfides with chromium, molybdenum, tungsten or polonium with iron group metals or platinum group metals
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- 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
- B01J37/08—Heat treatment
- B01J37/082—Decomposition and pyrolysis
- B01J37/086—Decomposition of an organometallic compound, a metal complex or a metal salt of a carboxylic acid
-
- 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
- C02F2101/34—Organic compounds containing oxygen
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Catalysts (AREA)
Abstract
The invention discloses a kind of compound cadmium sulfide photochemical catalysts, and each raw material is taken according to parts by weight:10-15 parts of 30-50 parts of cadmium acetate, 10-20 parts of thiocarbamide, 5-10 parts of polyethylene glycol stearate, 10-15 parts of red mud, 2-3 parts of metalloporphyrin, 1-2 parts of cerium salt and mica powder.Photochemical catalyst produced by the present invention has larger specific surface area, good pore structure and more catalytic active center, improve the absorption property of catalyst, light induced electron and hole are efficiently separated, and then improve the activity and efficiency of catalyst, expand absorption of the catalyst in visible-range, greatly improve utilization rate of the catalyst to sunlight, also have many advantages, such as that raw material sources are extensive, of low cost, preparation process is simple, production efficiency is high, low energy consumption, reaction condition is mild, high catalytic efficiency, industrialized production easy to implement.
Description
Technical field
The present invention relates to a kind of compound cadmium sulfide photochemical catalysts.
Background technology
Since 21 century, with the excessive use of the promotion and natural resources of industrialization paces, along with the dirt of various environment
Dye, energy scarcity problem constantly aggravate.Therefore, various pollutions are administered, it is extremely urgent with the pressure for alleviating the earth to find new energy.
Photocatalysis technology is in wastewater treatment, gas purification, sterilization, antifouling, self-cleaning material, dye-sensitized solar cells, makeup
Many fields such as product, gas sensor have a wide range of applications.Photocatalysis can be produced under light excitation based on semi-conducting material
The fundamental characteristics of the raw light induced electron with strong reducing property and the hole with strong oxidizing property, solid photocatalysts can absorb the sun
Light by water and biomass decomposition at hydrogen, also can by air and water body environment organic pollution and inorganic pollution oxidation or
Deoxidization, degradation is innocuous substance.Therefore, has the characteristics that low energy consumption, environmentally protective.
Currently, the conductor photocatalysis material of domestic and international most study is mainly metal oxide and sulfide, such as Ti02,
W03, ZnO, Fe203, CdS etc..Cadmium sulfide(CdS)In photocatalysis degradation organic contaminant due to having it and having lower energy gap
Field has a wide range of applications.But since it is with photoetch and wild effect so that cadmium sulfide photochemical catalyst is urged in light
It is easily decomposes in change reaction process, to reduce its photocatalysis efficiency and limit its application.Cadmium sulfide nano-particles due to
Its particle is excessively subtle, is easy to inactivate in use environment and agglomerate, not free settling, it is caused to be difficult separation, recycling and repeat
It utilizes.To solve the above problems, increasing its stability in use, cadmium sulfide is carried on certain carrier, such as glass, silica gel, work
Property charcoal etc., but these carriers there are mechanical strengths weaker, chemical stability, reduce the limitations such as catalytic activity and thermal stability difference.
Therefore, how to improve the photocatalytic activity of photochemical catalyst and stability is current research hotspot.
Invention content
The present invention for existing photochemical catalyst there are the problem of, providing a kind of has large specific surface area, catalytic activity high, right
The utilization rate height of light source, high catalytic efficiency, stability is good, environment-protecting and non-poisonous, at low cost, the advantages that can repeatedly using compound
Type photochemical catalyst.
In order to achieve the goal above, the technical solution adopted by the present invention is as follows:
A kind of compound cadmium sulfide photochemical catalyst, each raw material is taken according to parts by weight:30-50 parts of cadmium acetate, 10-20 parts of thiocarbamide,
10-15 parts of 5-10 parts of polyethylene glycol stearate, 10-15 parts of red mud, 2-3 parts of metalloporphyrin, 1-2 parts of cerium salt and mica powder;Its
Preparation method includes the following steps:
(1)By cadmium acetate, thiocarbamide be added ultrasonic generator in, be added suitable quantity of water make it dissolve, then be added ammonium hydroxide adjust pH to
9-10 continues ultrasound 30-60min in the case where frequency is 40-60KHz, obtains suspension;
(2)Ball mill is added in suspension, polyethylene glycol stearate, red mud, metalloporphyrin, cerium salt and mica powder, is added
Suitable quantity of water stirs, and obtains paste;
(3)By above-mentioned paste, microwave drying 2-3h, grind into powder after drying place into muffle furnace in temperature at 60-80 DEG C
Degree is roasting 3-5h at 400-500 DEG C to get to photochemical catalyst.
Preferably, metalloporphyrin described above is one kind in ferriporphyrin or Cob altporphyrin.
Preferably, cerium salt described above is one kind in cerous sulfate, cerous nitrate or ammonium ceric nitrate.
Preferably, above step(2)The stirring is to stir 30-60min in the case where rotating speed is 300-500r/min.
Preferably, the heating rate of roasting described above is 5-10 DEG C/min.
Preferably, above step(3)The grinding is to grind the material to grain size as 1.0-2.0mm.
Compared with prior art, it advantages of the present invention and has the beneficial effect that:
1, photochemical catalyst produced by the present invention has in larger specific surface area, good pore structure and more catalytic activity
The heart improves the absorption property of catalyst so that light induced electron and hole can efficiently separate, and then improve the work of catalyst
Property and efficiency, expand absorption of the catalyst in visible-range, greatly improve utilization rate of the catalyst to sunlight.
2, the present invention can be solved catalyst and be easy to lose in use environment using polyethylene glycol stearate as dispersant
Living and cohesion, not free settling the problem of.
3, the present invention can not only make catalyst performance more stablize using red mud and mica powder as carrier, it is easier to point
From, recycle and be used repeatedly, moreover it is possible to improve the absorption property and photocatalysis performance of catalyst.
4, the photochemical catalyst specific surface area for preparing of the present invention is 150-250m2/g, to rhodamine B in lower 1 hour of sunlight
Degradation rate reach 95% or more.
5, the present invention is with raw material sources are extensive, of low cost, preparation process is simple, production efficiency is high, low energy consumption, reaction
It mild condition, the advantages that environmental-friendly, absorption property is good, catalytic activity is high, high catalytic efficiency, can be efficiently under visible light exposure
Catalytic degradation wastewater organic pollutant has good economic benefit, social benefit and ecological benefits, is more suitable for industrial life
Production.
Specific implementation mode
This programme is further illustrated below in conjunction with specific embodiment, but is not limited to protection scope of the present invention.
Embodiment 1
A kind of compound cadmium sulfide photochemical catalyst, proportionally weighs each raw material:Cadmium acetate 30g, thiocarbamide 10g, polyethylene glycol are hard
Resin acid ester 7g, red mud 10g, ferriporphyrin 2g, cerous nitrate 1g and mica powder 10g.Preparation method includes the following steps:
(1)By cadmium acetate, thiocarbamide be added ultrasonic generator in, be added 150mL water make it dissolve, then be added ammonium hydroxide adjust pH to
9, continue ultrasound 30min in the case where frequency is 60KHz, obtains suspension;
(2)Ball mill is added in suspension, polyethylene glycol stearate, red mud, ferriporphyrin, cerous nitrate and mica powder, is added
150mL water stirs 60min in the case where rotating speed is 300r/min, obtains paste;
(3)By above-mentioned paste at 60 DEG C microwave drying 3h, the powder of 1.0mm is ground into after dry, muffle furnace is placed into and exists
Temperature be at 400 DEG C roasting 5h to get to photochemical catalyst.
Embodiment 2
A kind of compound cadmium sulfide photochemical catalyst, proportionally weighs each raw material:Cadmium acetate 40g, thiocarbamide 15g, polyethylene glycol are hard
Resin acid ester 5g, red mud 12g, ferriporphyrin 3g, cerous sulfate 1.5g and mica powder 12g.Preparation method includes the following steps:
(1)By cadmium acetate, thiocarbamide be added ultrasonic generator in, be added 200mL water make it dissolve, then be added ammonium hydroxide adjust pH to
10, continue ultrasound 45min in the case where frequency is 50KHz, obtains suspension;
(2)Ball mill is added in suspension, polyethylene glycol stearate, red mud, ferriporphyrin, cerous sulfate and mica powder, is added
150mL water stirs 45min in the case where rotating speed is 400r/min, obtains paste;
(3)By above-mentioned paste at 70 DEG C microwave drying 2.5h, the powder of 1.0mm is ground into after dry, places into muffle furnace
Roasting 4h is to get to photochemical catalyst at being 450 DEG C in temperature.
Claims (6)
1. a kind of compound cadmium sulfide photochemical catalyst, it is characterised in that:Each raw material is taken according to parts by weight:30-50 parts of cadmium acetate,
10-20 parts of thiocarbamide, 5-10 parts of polyethylene glycol stearate, 10-15 parts of red mud, 2-3 parts of metalloporphyrin, 1-2 parts of cerium salt and mica
10-15 parts of powder;Preparation method includes the following steps:
(1)By cadmium acetate, thiocarbamide be added ultrasonic generator in, be added suitable quantity of water make it dissolve, then be added ammonium hydroxide adjust pH to
9-10 continues ultrasound 30-60min in the case where frequency is 40-60KHz, obtains suspension;
(2)Ball mill is added in suspension, polyethylene glycol stearate, red mud, metalloporphyrin, cerium salt and mica powder, is added
Suitable quantity of water stirs, and obtains paste;
(3)By above-mentioned paste, microwave drying 2-3h, grind into powder after drying place into muffle furnace in temperature at 60-80 DEG C
Degree is roasting 3-5h at 400-500 DEG C to get to photochemical catalyst.
2. compound cadmium sulfide photochemical catalyst according to claim 1, it is characterised in that:The metalloporphyrin be ferriporphyrin or
One kind in Cob altporphyrin.
3. compound cadmium sulfide photochemical catalyst according to claim 1, it is characterised in that:The cerium salt is cerous sulfate, nitric acid
One kind in cerium or ammonium ceric nitrate.
4. compound cadmium sulfide photochemical catalyst according to claim 1, it is characterised in that:Step(2)The stirring is to turn
Speed is to stir 30-60min under 300-500r/min.
5. compound cadmium sulfide photochemical catalyst according to claim 1, it is characterised in that:The heating rate of the roasting is 5-
10℃/min。
6. compound cadmium sulfide photochemical catalyst according to claim 1, it is characterised in that:Step(3)The grinding is by object
Abrasive lapping to grain size is 1.0-2.0mm.
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CN201710314408.XA CN108786854A (en) | 2017-05-06 | 2017-05-06 | A kind of compound cadmium sulfide photochemical catalyst |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102641741A (en) * | 2011-02-16 | 2012-08-22 | 中国科学院金属研究所 | Composite photocatalyst with metal cadmium as core and heterostructure as shell and preparation method |
CN105709793A (en) * | 2016-01-26 | 2016-06-29 | 苏州大学 | Cadmium sulfide nanoparticle modified niobium pentoxide nanorod/nitrogen doped graphene composite photocatalyst and preparation method and application thereof |
CN106179413A (en) * | 2016-08-11 | 2016-12-07 | 广西南宁胜祺安科技开发有限公司 | A kind of preparation method of supported sulfided cadmium photocatalyst |
CN106179409A (en) * | 2016-08-11 | 2016-12-07 | 广西南宁胜祺安科技开发有限公司 | A kind of compound cadmium sulfide photocatalyst |
CN106215916A (en) * | 2016-08-11 | 2016-12-14 | 广西南宁胜祺安科技开发有限公司 | A kind of compound titanium dioxide optical catalyst |
CN106268746A (en) * | 2016-08-11 | 2017-01-04 | 广西南宁胜祺安科技开发有限公司 | A kind of high activity compound oxidizing zinc photocatalyst |
-
2017
- 2017-05-06 CN CN201710314408.XA patent/CN108786854A/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102641741A (en) * | 2011-02-16 | 2012-08-22 | 中国科学院金属研究所 | Composite photocatalyst with metal cadmium as core and heterostructure as shell and preparation method |
CN105709793A (en) * | 2016-01-26 | 2016-06-29 | 苏州大学 | Cadmium sulfide nanoparticle modified niobium pentoxide nanorod/nitrogen doped graphene composite photocatalyst and preparation method and application thereof |
CN106179413A (en) * | 2016-08-11 | 2016-12-07 | 广西南宁胜祺安科技开发有限公司 | A kind of preparation method of supported sulfided cadmium photocatalyst |
CN106179409A (en) * | 2016-08-11 | 2016-12-07 | 广西南宁胜祺安科技开发有限公司 | A kind of compound cadmium sulfide photocatalyst |
CN106215916A (en) * | 2016-08-11 | 2016-12-14 | 广西南宁胜祺安科技开发有限公司 | A kind of compound titanium dioxide optical catalyst |
CN106268746A (en) * | 2016-08-11 | 2017-01-04 | 广西南宁胜祺安科技开发有限公司 | A kind of high activity compound oxidizing zinc photocatalyst |
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