CN106179413A - A kind of preparation method of supported sulfided cadmium photocatalyst - Google Patents
A kind of preparation method of supported sulfided cadmium photocatalyst Download PDFInfo
- Publication number
- CN106179413A CN106179413A CN201610655042.8A CN201610655042A CN106179413A CN 106179413 A CN106179413 A CN 106179413A CN 201610655042 A CN201610655042 A CN 201610655042A CN 106179413 A CN106179413 A CN 106179413A
- Authority
- CN
- China
- Prior art keywords
- cadmium
- photocatalyst
- parts
- preparation
- flyash
- 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.)
- Pending
Links
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 229910052793 cadmium Inorganic materials 0.000 title claims abstract description 15
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 title claims abstract description 15
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000010881 fly ash Substances 0.000 claims abstract description 15
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 14
- XIEPJMXMMWZAAV-UHFFFAOYSA-N cadmium nitrate Inorganic materials [Cd+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XIEPJMXMMWZAAV-UHFFFAOYSA-N 0.000 claims abstract description 14
- NMHMNPHRMNGLLB-UHFFFAOYSA-N phloretic acid Chemical compound OC(=O)CCC1=CC=C(O)C=C1 NMHMNPHRMNGLLB-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000725 suspension Substances 0.000 claims abstract description 14
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000001768 carboxy methyl cellulose Substances 0.000 claims abstract description 12
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims abstract description 12
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 12
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 11
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 9
- ZGTMUACCHSMWAC-UHFFFAOYSA-L EDTA disodium salt (anhydrous) Chemical compound [Na+].[Na+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O ZGTMUACCHSMWAC-UHFFFAOYSA-L 0.000 claims abstract description 8
- XURCIPRUUASYLR-UHFFFAOYSA-N Omeprazole sulfide Chemical compound N=1C2=CC(OC)=CC=C2NC=1SCC1=NC=C(C)C(OC)=C1C XURCIPRUUASYLR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims description 10
- BDOYKFSQFYNPKF-UHFFFAOYSA-N 2-[2-[bis(carboxymethyl)amino]ethyl-(carboxymethyl)amino]acetic acid;sodium Chemical compound [Na].[Na].OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O BDOYKFSQFYNPKF-UHFFFAOYSA-N 0.000 claims description 6
- JQRLYSGCPHSLJI-UHFFFAOYSA-N [Fe].N1C(C=C2N=C(C=C3NC(=C4)C=C3)C=C2)=CC=C1C=C1C=CC4=N1 Chemical compound [Fe].N1C(C=C2N=C(C=C3NC(=C4)C=C3)C=C2)=CC=C1C=C1C=CC4=N1 JQRLYSGCPHSLJI-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- AQLLBJAXUCIJSR-UHFFFAOYSA-N OC(=O)C[Na] Chemical compound OC(=O)C[Na] AQLLBJAXUCIJSR-UHFFFAOYSA-N 0.000 claims description 2
- 238000000498 ball milling Methods 0.000 claims description 2
- 238000000227 grinding Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 8
- 238000006555 catalytic reaction Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 230000003197 catalytic effect Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000002351 wastewater Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000000593 degrading effect Effects 0.000 abstract 1
- 230000001699 photocatalysis Effects 0.000 description 9
- 229910052980 cadmium sulfide Inorganic materials 0.000 description 8
- 239000003054 catalyst Substances 0.000 description 8
- 230000015556 catabolic process Effects 0.000 description 7
- 238000006731 degradation reaction Methods 0.000 description 7
- 238000007146 photocatalysis Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 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 4
- 229940043267 rhodamine b Drugs 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- -1 DSSC Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- CJOBVZJTOIVNNF-UHFFFAOYSA-N cadmium sulfide Chemical compound [Cd]=S CJOBVZJTOIVNNF-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000002779 inactivation Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-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
- 238000004500 asepsis Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000011538 cleaning material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 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
- 229960000907 methylthioninium chloride Drugs 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 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
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
Abstract
The invention discloses the preparation method of a kind of supported sulfided cadmium photocatalyst, be to weigh each raw material according to parts by weight: cadmium nitrate 40 60 parts, thiourea 15 25 parts, disodiumedetate 6 10 parts, acrylic acid copolymer-maleic anhydride 5 10 parts, 10 15 parts of flyash, metalloporphyrin 23 parts, indium nitrate 12 parts and sodium carboxymethyl cellulose 5 10 parts；Cadmium nitrate, thiourea are added in ultrasonic generator, adds suitable quantity of water and make it dissolve, be subsequently adding disodiumedetate and react, obtain suspension；Suspension, acrylic acid copolymer-maleic anhydride, flyash, metalloporphyrin and sodium carboxymethyl cellulose are added ball mill, adds water and stir to obtain pastel；By pastel through being dried, grind, roasting, i.e. obtain photocatalyst.The present invention has that raw material sources are extensive, with low cost, preparation technology is simple, production efficiency is high, energy consumption is low, catalysis activity is high, catalytic efficiency advantages of higher, can efficient catalytic degrading waste water organic pollution, there is good economy, Ecological Society benefit.
Description
Technical field
The present invention relates to catalysis material technical field, the preparation side of a kind of supported sulfided cadmium photocatalyst
Method.
Background technology
Since 21 century, along with lifting and the excessive use of natural resources of industrialization paces, dirty along with various environment
Dye, energy scarcity problem constantly aggravate.Therefore, administer various pollution, find new forms of energy extremely urgent with the pressure alleviating the earth.
Photocatalysis technology is in waste water process, gas purification, sterilization, antifouling, self-cleaning material, DSSC, cosmetic
Many fields such as product, gas sensor have a wide range of applications.Photocatalysis is can to produce under light excites based on semi-conducting material
The raw light induced electron with strong reducing property and the fundamental characteristics in the hole with strong oxidizing property, solid photocatalysts can absorb the sun
Water is become hydrogen with biomass decomposition by light, also the organic pollution in air and water body environment and inorganic pollution can be aoxidized or
Deoxidization, degradation is innocuous substance.Therefore, there is the feature of low energy consumption, environmental protection.
At present, 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) has relatively low energy gap and at photocatalysis degradation organic contaminant because having it
Field has a wide range of applications.But owing to it has photoetch and wild effect so that cadmium sulfide photocatalyst is urged at light
Change in course of reaction easily decomposes, thus reduce its photocatalysis efficiency and limit its application.Cadmium sulfide nano-particles due to
Its granule is the trickleest, is prone to inactivation and cohesion, not free settling in using environment, causes it to be difficult to separate, reclaim and repeat
Utilize.For solve the problems referred to above, increase its stability in use, cadmium sulfide be carried on certain carrier, as glass, silica gel,
Activated carbon etc., but the offices such as these carriers exist that mechanical strength is more weak, chemical stability, reduction catalysis activity and poor heat stability
Limit.Therefore, the photocatalytic activity and the stability that how to improve photocatalyst are current study hotspots.
Summary of the invention
The present invention is directed to the problem that existing photocatalyst exists, it is provided that the preparation side of a kind of supported sulfided cadmium photocatalyst
Method.Photocatalyst prepared by this method has that specific surface area is big, catalysis activity is high, high to the utilization rate of light source, catalytic efficiency is high,
Good stability, environment-protecting asepsis, low cost, the advantage such as can repeatedly use.
In order to realize object above, the technical solution used in the present invention is as follows:
The preparation method of a kind of supported sulfided cadmium photocatalyst, comprises the following steps:
(1) each raw material is weighed according to parts by weight: cadmium nitrate 40-60 part, thiourea 15-25 part, disodiumedetate 6-10
Part, acrylic acid copolymer-maleic anhydride 5-10 part, flyash 10-15 part, metalloporphyrin 2-3 part, indium nitrate 1-2 part and carboxymethyl
Sodium cellulosate 5-10 part；
(2) cadmium nitrate, thiourea are added in ultrasonic generator, add suitable quantity of water and make it dissolve, be subsequently adding ethylenediaminetetraacetic acid
Disodium, continues ultrasonic 30-60min under frequency is 40-60KHz, obtains suspension；
(3) suspension, acrylic acid copolymer-maleic anhydride, flyash, metalloporphyrin and sodium carboxymethyl cellulose are added ball milling
Machine, adds suitable quantity of water stirring, obtains pastel；
(4) by above-mentioned pastel microwave drying 1.5-2.5h at 80-100 DEG C, dried grind into powder, muffle furnace is placed into
Roasting 4-6h at temperature is 300-400 DEG C, i.e. obtains photocatalyst.
Preferably, the one during the above metalloporphyrin is iron porphyrin or Cob altporphyrin.
Preferably, above step (3) described stirring is stirring 30-60min under rotating speed is 300-500r/min.
Preferably, the heating rate of the above roasting is 5-10 DEG C/min.
Preferably, above step (4) described grinding is that to grind the material to particle diameter be 1.0-2.0mm.
Compared with prior art, advantages of the present invention and having the beneficial effect that
1, the photocatalyst that the inventive method prepares has bigger specific surface area, good pore structure and more catalysis work
Property center, improve the absorption property of catalyst so that light induced electron and hole can efficiently separate, so improve catalyst
Activity and efficiency, expand the catalyst absorption at visible-range, be greatly improved the catalyst utilization rate to sunlight.
2, the present invention is using acrylic acid copolymer-maleic anhydride as dispersant, can solve catalyst easy in using environment
In inactivation and the problem of cohesion, not free settling.
3, the present invention is using flyash as carrier, catalyst performance can not only be made more stable, it is easier to separate, reclaim
And be used repeatedly, moreover it is possible to improve absorption property and the photocatalysis performance of catalyst.
4, the photocatalyst specific surface area that prepared by the present invention is 200-300m2/ g, sunlight in lower 1 hour to rhodamine B
Degradation rate reach more than 93%.
5, the present invention have that raw material sources are extensive, with low cost, preparation technology is simple, production efficiency is high, energy consumption is low, reaction
Mild condition, environmental friendliness, absorption property are good, catalysis activity is high, catalytic efficiency advantages of higher, 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 industry raw
Produce.
Detailed description of the invention
Below in conjunction with specific embodiment, this programme is further illustrated, but be not limited to protection scope of the present invention.
Embodiment 1
The preparation method of a kind of supported sulfided cadmium photocatalyst, comprises the following steps:
(1) each raw material is proportionally weighed: cadmium nitrate 40g, thiourea 15g, disodiumedetate 6g, acrylic acid maleic anhydride
Copolymer 7g, flyash 10g, iron porphyrin 2g, indium nitrate 1g and sodium carboxymethyl cellulose 5g；
(2) cadmium nitrate, thiourea are added in ultrasonic generator, add 200mL water and make it dissolve, be subsequently adding ethylenediaminetetraacetic acid
Disodium, continues ultrasonic 60min under frequency is 40KHz, obtains suspension；
(3) suspension, acrylic acid copolymer-maleic anhydride, flyash, iron porphyrin and sodium carboxymethyl cellulose are added ball mill,
Add 150mL water, under rotating speed is 300r/min, stirs 60min, obtains pastel；
(4) by above-mentioned pastel microwave drying 2.5h at 80 DEG C, grind to form the powder that particle diameter is 1.0mm after drying, place into
Muffle furnace is roasting 6h at temperature is 300 DEG C, i.e. obtains photocatalyst.
Embodiment 2
The preparation method of a kind of supported sulfided cadmium photocatalyst, comprises the following steps:
(1) each raw material is proportionally weighed: cadmium nitrate 50g, thiourea 20g, disodiumedetate 8g, acrylic acid maleic anhydride
Copolymer 5g, flyash 12g, iron porphyrin 3g, indium nitrate 2g and sodium carboxymethyl cellulose 8g；
(2) cadmium nitrate, thiourea are added in ultrasonic generator, add 250mL water and make it dissolve, be subsequently adding ethylenediaminetetraacetic acid
Disodium, continues ultrasonic 60min under frequency is 50KHz, obtains suspension；
(3) suspension, acrylic acid copolymer-maleic anhydride, flyash, iron porphyrin and sodium carboxymethyl cellulose are added ball mill,
Add 150mL water, under rotating speed is 500r/min, stirs 30min, obtains pastel；
(4) by above-mentioned pastel microwave drying 2h at 90 DEG C, grind to form the powder that particle diameter is 1.0mm after drying, place into horse
Boiling stove roasting 5h at temperature is 350 DEG C, i.e. obtains photocatalyst.
Embodiment 3
The preparation method of a kind of supported sulfided cadmium photocatalyst, comprises the following steps:
(1) each raw material is proportionally weighed: cadmium nitrate 60g, thiourea 25g, disodiumedetate 10g, acrylic acid maleic acid
Anhydride copolymer 8g, flyash 15g, Cob altporphyrin 3g, indium nitrate 1.5g and sodium carboxymethyl cellulose 10g；
(2) cadmium nitrate, thiourea are added in ultrasonic generator, add 300mL water and make it dissolve, be subsequently adding ethylenediaminetetraacetic acid
Disodium, continues ultrasonic 30min under frequency is 60KHz, obtains suspension；
(3) suspension, acrylic acid copolymer-maleic anhydride, flyash, Cob altporphyrin and sodium carboxymethyl cellulose are added ball mill,
Add 150mL water, under rotating speed is 400r/min, stirs 45min, obtains pastel；
(4) by above-mentioned pastel microwave drying 1.5h at 100 DEG C, grind to form the powder that particle diameter is 2.0mm after drying, place into
Muffle furnace is roasting 5h at temperature is 400 DEG C, i.e. obtains photocatalyst.
Embodiment 4
The preparation method of a kind of supported sulfided cadmium photocatalyst, comprises the following steps:
(1) each raw material is proportionally weighed: cadmium nitrate 50g, thiourea 25g, disodiumedetate 8g, acrylic acid maleic anhydride
Copolymer 1 0g, flyash 12g, Cob altporphyrin 2g, indium nitrate 2g and sodium carboxymethyl cellulose 10g；
(2) cadmium nitrate, thiourea are added in ultrasonic generator, add 300mL water and make it dissolve, be subsequently adding ethylenediaminetetraacetic acid
Disodium, continues ultrasonic 60min under frequency is 60KHz, obtains suspension；
(3) suspension, acrylic acid copolymer-maleic anhydride, flyash, Cob altporphyrin and sodium carboxymethyl cellulose are added ball mill,
Add 150mL water, under rotating speed is 500r/min, stirs 45min, obtains pastel；
(4) by above-mentioned pastel microwave drying 2h at 100 DEG C, grind to form the powder that particle diameter is 2.0mm after drying, place into horse
Boiling stove roasting 4h at temperature is 400 DEG C, i.e. obtains photocatalyst.
The photocatalysis test of catalyst: below will be by commercial photocatalyst of Nano cadmium sulphide and various embodiments of the present invention system
Rhodamine B degradation rate is contrasted by standby photocatalyst, and measurement result is as shown in the table:
The photocatalyst each embodiment prepared and photocatalyst of Nano cadmium sulphide weigh 1g respectively, and putting into 1L concentration is 50mg/L
Rhodamine B simulated water sample, add quartz interlayer reactor in, using 500 W xenon lamps as solar source, at rotating speed be
Stirring radiation 1h under 500r/min, uses the concentration of rhodamine B in Water By High Performance Liquid sample, calculates photocatalyst
Degradation rate.
As seen from table, the photocatalyst prepared by various embodiments of the present invention has higher photocatalytic activity, right under sunlight
The degradation rate of methylene blue all reaches more than 93%, and the most presently commercially available product has good market prospect.
Above content is it cannot be assumed that the present invention is embodied as being confined to these explanations, for the technical field of the invention
Those of ordinary skill for, without departing under present inventive concept premise, it is also possible to make some simple deduction or replace, all answer
When being considered as belonging to the scope of patent protection that the present invention is determined by the claims submitted to.
Claims (5)
1. the preparation method of a supported sulfided cadmium photocatalyst, it is characterised in that: comprise the following steps:
(1) each raw material is weighed according to parts by weight: cadmium nitrate 40-60 part, thiourea 15-25 part, disodiumedetate 6-10
Part, acrylic acid copolymer-maleic anhydride 5-10 part, flyash 10-15 part, metalloporphyrin 2-3 part, indium nitrate 1-2 part and carboxymethyl
Sodium cellulosate 5-10 part；
(2) cadmium nitrate, thiourea are added in ultrasonic generator, add suitable quantity of water and make it dissolve, be subsequently adding ethylenediaminetetraacetic acid
Disodium, continues ultrasonic 30-60min under frequency is 40-60KHz, obtains suspension；
(3) suspension, acrylic acid copolymer-maleic anhydride, flyash, metalloporphyrin and sodium carboxymethyl cellulose are added ball milling
Machine, adds suitable quantity of water stirring, obtains pastel；
(4) by above-mentioned pastel microwave drying 1.5-2.5h at 80-100 DEG C, dried grind into powder, muffle furnace is placed into
Roasting 4-6h at temperature is 300-400 DEG C, i.e. obtains photocatalyst.
The preparation method of the most supported sulfided cadmium photocatalyst, it is characterised in that: described metalloporphyrin
For the one in iron porphyrin or Cob altporphyrin.
The preparation method of the most supported sulfided cadmium photocatalyst, it is characterised in that: step (3) is described
Stirring is stirring 30-60min under rotating speed is 300-500r/min.
The preparation method of the most supported sulfided cadmium photocatalyst, it is characterised in that: the liter of described roasting
Temperature speed is 5-10 DEG C/min.
The preparation method of the most supported sulfided cadmium photocatalyst, it is characterised in that: step (4) is described
Grinding is that to grind the material to particle diameter be 1.0-2.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610655042.8A CN106179413A (en) | 2016-08-11 | 2016-08-11 | A kind of preparation method of supported sulfided cadmium photocatalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610655042.8A CN106179413A (en) | 2016-08-11 | 2016-08-11 | A kind of preparation method of supported sulfided cadmium photocatalyst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106179413A true CN106179413A (en) | 2016-12-07 |
Family
ID=57515163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610655042.8A Pending CN106179413A (en) | 2016-08-11 | 2016-08-11 | A kind of preparation method of supported sulfided cadmium photocatalyst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106179413A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108786854A (en) * | 2017-05-06 | 2018-11-13 | 佛山市洁灏环保科技有限公司 | A kind of compound cadmium sulfide photochemical catalyst |
| CN111530478A (en) * | 2020-05-10 | 2020-08-14 | 中南林业科技大学 | Preparation method and application of hybrid cadmium-rich biochar composite material |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105126873A (en) * | 2015-07-24 | 2015-12-09 | 龙岩学院 | Preparation method of photo-catalyst nano CdS/kaolin composite material |
-
2016
- 2016-08-11 CN CN201610655042.8A patent/CN106179413A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105126873A (en) * | 2015-07-24 | 2015-12-09 | 龙岩学院 | Preparation method of photo-catalyst nano CdS/kaolin composite material |
Non-Patent Citations (3)
| Title |
|---|
| 崔玉民等: "《二氧化钛光催化技术》", 31 December 2010, 中国书籍出版社 * |
| 张策等: "《煤矿固体废物治理与利用》", 31 July 1998, 煤炭工业出版社 * |
| 王正熙等: "《高分子材料剖析方法与应用》", 31 January 2009, 上海科学技术出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108786854A (en) * | 2017-05-06 | 2018-11-13 | 佛山市洁灏环保科技有限公司 | A kind of compound cadmium sulfide photochemical catalyst |
| CN111530478A (en) * | 2020-05-10 | 2020-08-14 | 中南林业科技大学 | Preparation method and application of hybrid cadmium-rich biochar composite material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103990485B (en) | Azotized carbon nano particle modifies composite bismuth vanadium photocatalyst and preparation method thereof | |
| CN105688970A (en) | g-C3N4 modified self-doping Bi2WO6 composite photocatalyst and preparation method and application thereof | |
| CN105032468A (en) | Cu2O-TiO2/g-C3N4 ternary complex and preparation and application method thereof | |
| CN104588063A (en) | Attapulgite/graphite phase carbon nitride composite material and preparation method thereof | |
| CN106944074B (en) | A kind of visible-light response type composite photo-catalyst and its preparation method and application | |
| CN103464122B (en) | A kind of preparation method of graphene/chitosan adsorbent resin | |
| CN102671676A (en) | Preparation method for SnO2/SnS2 heterostructure photocatalyst | |
| Alshaikh et al. | Templated synthesis of CuCo2O4-modified g-C3N4 heterojunctions for enhanced photoreduction of Hg2+ under visible light | |
| CN106881111A (en) | Composite bismuth vanadium photocatalyst of cuprous oxide and silver-colored mutual load and its preparation method and application | |
| CN103071455A (en) | Preparation method of composite adsorption purifying agent | |
| CN106268869A (en) | A kind of preparation method and application of carbon quantum dot/flower-shaped indium sulfide calcium composite photo-catalyst | |
| CN105854865A (en) | Three-dimensional porous structure graphene-cerium dioxide composite photocatalyst | |
| CN107935103A (en) | A kind for the treatment of process of silver-based composite photocatalyst for degrading dyeing waste water | |
| CN114100642A (en) | Magnetic Ag/AgBr/LaFeO3Composite photocatalyst and preparation method thereof | |
| CN106423216A (en) | Preparation method of carbon quantum dot CQDs hybridized CdIn2S4 composite material and application thereof | |
| CN110787826B (en) | Ag-loaded WO3Nano fiber-porous carbon photocatalysis material and preparation method thereof | |
| CN108144599A (en) | A kind for the treatment of process of bismuthino composite photocatalyst for degrading dyeing waste water | |
| CN106179413A (en) | A kind of preparation method of supported sulfided cadmium photocatalyst | |
| CN106362749A (en) | Preparation method for supported zinc oxide photocatalyst | |
| CN106268746A (en) | A kind of high activity compound oxidizing zinc photocatalyst | |
| CN106362800A (en) | Graphene-doped zinc oxide photocatalyst | |
| CN102580727B (en) | Preparation method of active carbon loaded titanium dioxide silver-doped photochemical catalyst | |
| CN103721713A (en) | Three-phase composite visible-light-driven photocatalyst capable of efficiently degrading dyes | |
| CN106362771A (en) | Novel cadmium sulfide photocatalyst with high activity | |
| CN102794188A (en) | PtC14/Bi2WO6 photocatalyst, and preparation and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161207 |