CN108654605A - The preparation method of the porous carbon-based titanium dioxide photochemical catalyst of modified by silver for degradation of phenol - Google Patents
The preparation method of the porous carbon-based titanium dioxide photochemical catalyst of modified by silver for degradation of phenol Download PDFInfo
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- CN108654605A CN108654605A CN201710709473.2A CN201710709473A CN108654605A CN 108654605 A CN108654605 A CN 108654605A CN 201710709473 A CN201710709473 A CN 201710709473A CN 108654605 A CN108654605 A CN 108654605A
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- silver
- titanium dioxide
- modified
- photochemical catalyst
- porous carbon
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 239000003054 catalyst Substances 0.000 title claims abstract description 46
- 239000004408 titanium dioxide Substances 0.000 title claims abstract description 34
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 28
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 25
- 239000004332 silver Substances 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 230000015556 catabolic process Effects 0.000 title claims description 6
- 238000006731 degradation reaction Methods 0.000 title claims description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 16
- 150000001875 compounds Chemical class 0.000 claims abstract description 12
- 238000000197 pyrolysis Methods 0.000 claims abstract description 11
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 9
- 239000010936 titanium Substances 0.000 claims abstract description 9
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910001961 silver nitrate Inorganic materials 0.000 claims abstract description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 12
- 229910052786 argon Inorganic materials 0.000 claims description 6
- 238000010792 warming Methods 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 3
- 238000001291 vacuum drying Methods 0.000 claims description 2
- 238000007598 dipping method Methods 0.000 claims 1
- 230000000593 degrading effect Effects 0.000 abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 230000003197 catalytic effect Effects 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000005336 cracking Methods 0.000 abstract 2
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 8
- 229910052724 xenon Inorganic materials 0.000 description 7
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 7
- 239000000243 solution Substances 0.000 description 5
- 238000011160 research Methods 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000012621 metal-organic framework Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 230000001699 photocatalysis Effects 0.000 description 2
- 238000007146 photocatalysis Methods 0.000 description 2
- 239000011941 photocatalyst Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- MZFIXCCGFYSQSS-UHFFFAOYSA-N silver titanium Chemical compound [Ti].[Ag] MZFIXCCGFYSQSS-UHFFFAOYSA-N 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 1
- RRKGBEPNZRCDAP-UHFFFAOYSA-N [C].[Ag] Chemical compound [C].[Ag] RRKGBEPNZRCDAP-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 239000003504 photosensitizing agent Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- CMPGARWFYBADJI-UHFFFAOYSA-L tungstic acid Chemical compound O[W](O)(=O)=O CMPGARWFYBADJI-UHFFFAOYSA-L 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/48—Silver or gold
- B01J23/50—Silver
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
-
- 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
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0201—Impregnation
-
- 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
- C02F2101/345—Phenols
-
- 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
Landscapes
- 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 present invention relates to environmental technology fields, and in particular to a kind of preparation method for the porous carbon-based titanium dioxide photochemical catalyst of modified by silver of phenol in water body of degrading includes the following steps：Using titanium-based metal organic frame compound as presoma, it first passes through high temperature pyrolytic cracking (HTP) and prepares titaniferous C-base composte material, it is obtained for the porous carbon-based titanium dioxide photochemical catalyst of the modified by silver of phenol in water body of degrading after silver nitrate solution impregnates, then by high temperature pyrolytic cracking (HTP).Preparation method of the present invention is simple, practical, the performance of photochemical catalyst can also be adjusted by changing type, the pyrolysis temperature of titanium-based metal organic frame compound, the porous carbon-based titanium dioxide photochemical catalyst of the modified by silver obtained has many advantages, such as that good porosity, reconfigurable control of hole, catalytic activity are high.
Description
Technical field
The present invention relates to environmental technology fields, and in particular to a kind of modified by silver for phenol in water body of degrading is porous carbon-based
The preparation method of titanium dioxide optical catalyst.
Background technology
At present in water body in the photocatalytic degradation research of phenol, common photochemical catalyst is the light such as titanium dioxide and zinc oxide
Catalyst, its advantage is that non-toxic inexpensive, catalytic activity is high, and selectivity is good, and reaction condition is mild, not etching apparatus, and secondary
Pollute small, preparation process is simple.But the photocatalysis efficiency of degradation of phenol is relatively low when these material photocatalysts, because these
Material itself is poor to the adsorption capacity of organic matter.In addition, these material specific surface areas are big, surface energy is high, easily reunite,
Disperse that uneven, inactivation is fast, separation and recycling are difficult during organic matter in water body of degrading, it is also possible to become pollutant,
Its application is set to be restricted.
In order to solve the problems, such as that these photochemical catalysts exist, people have carried out numerous studies, these researchs are concentrated mainly on
Three aspects below：(1) changed by the noble-metal-supported of photocatalyst surface, metal ion mixing, rare earth modified, photosensitizer
Property, Material cladding excitation separation of charge, improve photohole efficiency, expand wave-length coverage, change selectivity of product；(2) will
Titanium dioxide is compound with other catalysis materials, such as titanium dioxide/zirconium dioxide, titanium dioxide/molybdenum trioxide, titanium dioxide/
Tungstic acid etc. changes material structure characteristic and surface nature, improves the photocatalysis performance of material；(3) with other porous materials
The combination of material, such as molecular sieve, film, porous carbon carry out the joint technology of carried titanium dioxide as carrier.But about titanium dioxide
Report is seldom seen in compound research with porous carbon, silver.
The present invention uses the metal organic framework compound presoma with different pore passage structures and chemical characteristic, passes through height
Warm solution prepares the porous carbon-based titanium dioxide photochemical catalyst of modified by silver, when the photochemical catalyst obtained is used for degradation of phenol, tool
Have the advantages that good porosity, reconfigurable control of hole, catalytic activity are high, is a feasible approach.
Invention content
It is a kind of for phenol in water body of degrading the technical problem to be solved by the present invention is to provide for the above-mentioned prior art
Porosity is good, reconfigurable control of hole, the high porous carbon-based titanium dioxide photochemical catalyst of modified by silver of catalytic activity preparation side
Method.
Technical solution is used by the present invention solves above-mentioned technical problem：A kind of modified by silver for degradation of phenol is porous
The preparation method of carbon-based titanium dioxide photochemical catalyst, it is characterised in that include the following steps：A weighs a certain amount of titanium-based metal
Organic frame compound is put into tube furnace, under argon stream, is warming up to 400 DEG C of pyrolysis 5h, titaniferous C-base composte material is made；
B, silver nitrate solution is added by obtained titaniferous C-base composte material, impregnates 48h in 20 DEG C；C takes out precipitation, vacuum drying
Afterwards, it is put into tube furnace, under argon stream, is warming up to certain temperature pyrolysis 5h, obtains the porous carbon-based titanium dioxide of modified by silver
Titanium photochemical catalyst.
Preferably, the titanium-based metal organic frame compound described in step a is ZTOF-1, MIL-125, NH2-MIL-
125 one or more.
Preferably, the porous carbon-based titanium dioxide photochemical catalyst of modified by silver described in step c, pyrolysis temperature is when preparation
400~1000 DEG C.
Compared with the prior art, the advantages of the present invention are as follows：Preparation method is simple, practical, can also be by changing titanium-based
The performance of photochemical catalyst is adjusted in type, the pyrolysis temperature of metal organic framework compound presoma, and the silver obtained is repaiied
Adoring porous carbon-based titanium dioxide photochemical catalyst has many advantages, such as that good porosity, reconfigurable control of hole, catalytic activity are high, the present invention
It can be used for environmental technology field, in the water body that is especially used to degrade in the preparation of the photochemical catalyst of phenol.
Description of the drawings
Fig. 1 is the XRD diagram for the porous carbon-based titanium dioxide photochemical catalyst of modified by silver that embodiment 1 obtains；
Fig. 2 is the SEM figures for the porous carbon-based titanium dioxide photochemical catalyst of modified by silver that embodiment 1 obtains.
Specific implementation mode
Present invention is further described in detail with reference to embodiments.
Embodiment 1：
The ZTOF-1 for weighing 0.4g is put into tube furnace, and 400 DEG C are warming up to the rate of 10 DEG C/min under argon stream, and
5h is kept the temperature, 0.19g titaniferous C-base composte materials are made.It is by obtained titaniferous C-base composte material addition 20mL mass concentrations
In 43% silver nitrate solution, after 20 DEG C impregnate 48h, precipitation is taken out, vacuum is dried for 24 hours at 80 DEG C, is put into tube furnace,
1000 DEG C are warming up to the rate of 10 DEG C/min under argon stream, and keeps the temperature 5h, obtains the porous carbon-based titanium dioxide of 0.27g modified by silver
Titanium photochemical catalyst is denoted as 1# photochemical catalysts.
The porous carbon-based titanium dioxide photochemical catalyst of modified by silver tests the photocatalytic degradation of phenol use in aqueous solution
Xi'an photochemical reactor more multi-functional than bright instrument company BILON-GHX-1D, and using the high pressure xenon lamp of 1000W as light source.
The 1# photochemical catalysts for weighing 0.06g, are then added into the phenol solution of a concentration of 0.06g/L of 60mL, and constantly stir
It mixes, for the phenol of addition 1# photochemical catalysts under xenon lamp irradiation after 1.5h photocatalytic degradations, phenol degrading rate reaches 90.3%, is
A kind of efficient catalysis material.
Embodiment 2：
Other are with 1# photochemical catalysts, and pyrolysis temperature is 800 DEG C when prepared by modified by silver porous carbon-based titanium dioxide photochemical catalyst,
The porous carbon-based titanium dioxide of 0.29g modified by silver is obtained, is denoted as 2# photochemical catalysts, other with embodiment 1 is similar.2# light is added
For the phenol of catalyst under xenon lamp irradiation after 1.5h photocatalytic degradations, phenol degrading rate reaches 100%.
Embodiment 3：
Other are with 1# photochemical catalysts, and pyrolysis temperature is 600 DEG C when prepared by modified by silver porous carbon-based titanium dioxide photochemical catalyst,
The porous carbon-based titanium dioxide of 0.3g modified by silver is obtained, is denoted as 3# photochemical catalysts, other with embodiment 1 is similar.3# light is added
For the phenol of catalyst under xenon lamp irradiation after 1.5h photocatalytic degradations, phenol degrading rate reaches 95.4%.
Embodiment 4：
Other are with 1# photochemical catalysts, and pyrolysis temperature is 400 DEG C when prepared by modified by silver porous carbon-based titanium dioxide photochemical catalyst,
The porous carbon-based titanium dioxide of 0.31g modified by silver is obtained, is denoted as 4# photochemical catalysts, other with embodiment 1 is similar.Light is added to urge
For the phenol of agent under xenon lamp irradiation after 1.5h photocatalytic degradations, phenol degrading rate reaches 60.7%.
Embodiment 5：
Other are MIL-125 with 2# photochemical catalysts, titanium-based metal organic frame compound, and it is porous to obtain 0.32g modified by silver
Carbon-based titanium dioxide, is denoted as 5# photochemical catalysts, and other with embodiment 2 is similar.The phenol that photochemical catalyst is added shines in xenon lamp
Penetrate lower after 1.5h photocatalytic degradations, phenol degrading rate reaches 85.2%.
Embodiment 6：
, with 2# photochemical catalysts, titanium-based metal organic frame compound is NH for other2- MIL-125 obtains 0.34g modified by silver
Porous carbon-based titanium dioxide, is denoted as 6# photochemical catalysts, and other with embodiment 2 is similar.The phenol of photochemical catalyst is added in xenon
Under light irradiation after 1.5h photocatalytic degradations, phenol degrading rate reaches 80.5%.
Claims (3)
1. a kind of preparation method of the porous carbon-based titanium dioxide photochemical catalyst of modified by silver for degradation of phenol, it is characterised in that packet
Include following steps：A weighs a certain amount of titanium-based metal organic frame compound and is put into tube furnace, under argon stream, is warming up to
400 DEG C of pyrolysis 5h, are made titaniferous C-base composte material；Silver nitrate solution is added in obtained titaniferous C-base composte material by b, in
20 DEG C of dipping 48h；C takes out precipitation, after vacuum drying, is put into tube furnace, under argon stream, is warming up to certain temperature
Degree pyrolysis 5h, obtains the porous carbon-based titanium dioxide photochemical catalyst of modified by silver.
2. preparation method according to claim 1, it is characterised in that：The titanium-based metal organic frame compound of step a is
ZTOF-1、MIL-125、NH2The one or more of-MIL-125.
3. preparation method according to claim 1, it is characterised in that：In step c, the porous carbon-based titanium dioxide of modified by silver
Pyrolysis temperature is 400~1000 DEG C when prepared by photochemical catalyst.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710709473.2A CN108654605A (en) | 2017-08-05 | 2017-08-05 | The preparation method of the porous carbon-based titanium dioxide photochemical catalyst of modified by silver for degradation of phenol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710709473.2A CN108654605A (en) | 2017-08-05 | 2017-08-05 | The preparation method of the porous carbon-based titanium dioxide photochemical catalyst of modified by silver for degradation of phenol |
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| Publication Number | Publication Date |
|---|---|
| CN108654605A true CN108654605A (en) | 2018-10-16 |
Family
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| CN201710709473.2A Pending CN108654605A (en) | 2017-08-05 | 2017-08-05 | The preparation method of the porous carbon-based titanium dioxide photochemical catalyst of modified by silver for degradation of phenol |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109603589A (en) * | 2019-01-04 | 2019-04-12 | 东北师范大学 | A kind of Ag@NH2- MIL-125/ polyether sulphone hydridization dense form reactivity ultrafiltration membrane and preparation method thereof |
| CN109718859A (en) * | 2019-01-08 | 2019-05-07 | 东北师范大学 | A kind of Ag/TiO2/ MIL-125 (Ti) composite material and preparation method and Morphological control |
| CN111821967A (en) * | 2020-07-27 | 2020-10-27 | 湖南大学 | Heterojunction titanium dioxide composite photocatalyst and preparation method thereof |
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| CN101015792A (en) * | 2007-03-08 | 2007-08-15 | 复旦大学 | Titanium dioxide perforated micro-pipe photocatalyst modified by silver and its prodn. method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109603589A (en) * | 2019-01-04 | 2019-04-12 | 东北师范大学 | A kind of Ag@NH2- MIL-125/ polyether sulphone hydridization dense form reactivity ultrafiltration membrane and preparation method thereof |
| CN109603589B (en) * | 2019-01-04 | 2021-02-05 | 东北师范大学 | Ag @ NH2-MIL-125/polyarylethersulfone hybridized compact reactive ultrafiltration membrane and preparation method thereof |
| CN109718859A (en) * | 2019-01-08 | 2019-05-07 | 东北师范大学 | A kind of Ag/TiO2/ MIL-125 (Ti) composite material and preparation method and Morphological control |
| CN111821967A (en) * | 2020-07-27 | 2020-10-27 | 湖南大学 | Heterojunction titanium dioxide composite photocatalyst and preparation method thereof |
| CN111821967B (en) * | 2020-07-27 | 2022-11-18 | 湖南大学 | Heterojunction titanium dioxide composite photocatalyst and preparation method thereof |
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