CN110065990A - A kind of method that bismuth tungstate is organic phosphorus as photocatalyst for degrading - Google Patents
A kind of method that bismuth tungstate is organic phosphorus as photocatalyst for degrading Download PDFInfo
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- CN110065990A CN110065990A CN201810056586.1A CN201810056586A CN110065990A CN 110065990 A CN110065990 A CN 110065990A CN 201810056586 A CN201810056586 A CN 201810056586A CN 110065990 A CN110065990 A CN 110065990A
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- Prior art keywords
- bismuth tungstate
- organic phosphorus
- nest
- wastewater
- organism
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- 229910052797 bismuth Inorganic materials 0.000 title claims abstract description 24
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 title claims abstract description 24
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 title claims abstract description 22
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 229910052698 phosphorus Inorganic materials 0.000 title claims abstract description 19
- 239000011574 phosphorus Substances 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000000593 degrading effect Effects 0.000 title claims abstract description 10
- 239000011941 photocatalyst Substances 0.000 title abstract description 5
- 239000002086 nanomaterial Substances 0.000 claims abstract description 10
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 4
- 239000011707 mineral Substances 0.000 claims abstract description 4
- 239000002351 wastewater Substances 0.000 claims description 11
- OEBRKCOSUFCWJD-UHFFFAOYSA-N dichlorvos Chemical compound COP(=O)(OC)OC=C(Cl)Cl OEBRKCOSUFCWJD-UHFFFAOYSA-N 0.000 claims description 8
- 229910052724 xenon Inorganic materials 0.000 claims description 5
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- LCCNCVORNKJIRZ-UHFFFAOYSA-N parathion Chemical compound CCOP(=S)(OCC)OC1=CC=C([N+]([O-])=O)C=C1 LCCNCVORNKJIRZ-UHFFFAOYSA-N 0.000 claims description 3
- BULVZWIRKLYCBC-UHFFFAOYSA-N phorate Chemical compound CCOP(=S)(OCC)SCSCC BULVZWIRKLYCBC-UHFFFAOYSA-N 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims description 2
- 230000003197 catalytic effect Effects 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 claims description 2
- KRTSDMXIXPKRQR-AATRIKPKSA-N monocrotophos Chemical compound CNC(=O)\C=C(/C)OP(=O)(OC)OC KRTSDMXIXPKRQR-AATRIKPKSA-N 0.000 claims description 2
- RYYWUUFWQRZTIU-UHFFFAOYSA-K thiophosphate Chemical compound [O-]P([O-])([O-])=S RYYWUUFWQRZTIU-UHFFFAOYSA-K 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims 1
- 235000012054 meals Nutrition 0.000 claims 1
- 238000006731 degradation reaction Methods 0.000 abstract description 16
- 230000015556 catabolic process Effects 0.000 abstract description 15
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract description 3
- 230000002378 acidificating effect Effects 0.000 abstract description 2
- 238000005286 illumination Methods 0.000 abstract description 2
- 239000011943 nanocatalyst Substances 0.000 abstract description 2
- 231100000252 nontoxic Toxicity 0.000 abstract description 2
- 230000003000 nontoxic effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000002917 insecticide Substances 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- RXPAJWPEYBDXOG-UHFFFAOYSA-N hydron;methyl 4-methoxypyridine-2-carboxylate;chloride Chemical compound Cl.COC(=O)C1=CC(OC)=CC=N1 RXPAJWPEYBDXOG-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- XMVONEAAOPAGAO-UHFFFAOYSA-N sodium tungstate Chemical compound [Na+].[Na+].[O-][W]([O-])(=O)=O XMVONEAAOPAGAO-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- -1 sulfur ester Chemical class 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 244000000626 Daucus carota Species 0.000 description 1
- 241000258955 Echinodermata Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000005949 Malathion Substances 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 208000007964 Organophosphate Poisoning Diseases 0.000 description 1
- IDCBOTIENDVCBQ-UHFFFAOYSA-N TEPP Chemical compound CCOP(=O)(OCC)OP(=O)(OCC)OCC IDCBOTIENDVCBQ-UHFFFAOYSA-N 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 235000005770 birds nest Nutrition 0.000 description 1
- 235000012206 bottled water Nutrition 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- FAXIJTUDSBIMHY-UHFFFAOYSA-N diethoxy-(2-ethylsulfanylethoxy)-sulfanylidene-$l^{5}-phosphane;1-diethoxyphosphorylsulfanyl-2-ethylsulfanylethane Chemical compound CCOP(=O)(OCC)SCCSCC.CCOP(=S)(OCC)OCCSCC FAXIJTUDSBIMHY-UHFFFAOYSA-N 0.000 description 1
- JXSJBGJIGXNWCI-UHFFFAOYSA-N diethyl 2-[(dimethoxyphosphorothioyl)thio]succinate Chemical compound CCOC(=O)CC(SP(=S)(OC)OC)C(=O)OCC JXSJBGJIGXNWCI-UHFFFAOYSA-N 0.000 description 1
- MCWXGJITAZMZEV-UHFFFAOYSA-N dimethoate Chemical compound CNC(=O)CSP(=S)(OC)OC MCWXGJITAZMZEV-UHFFFAOYSA-N 0.000 description 1
- XPPKVPWEQAFLFU-UHFFFAOYSA-J diphosphate(4-) Chemical compound [O-]P([O-])(=O)OP([O-])([O-])=O XPPKVPWEQAFLFU-UHFFFAOYSA-J 0.000 description 1
- 235000011180 diphosphates Nutrition 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229960000453 malathion Drugs 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002064 nanoplatelet Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 125000005461 organic phosphorous group Chemical group 0.000 description 1
- 239000003987 organophosphate pesticide Substances 0.000 description 1
- 150000002903 organophosphorus compounds Chemical class 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 235000005765 wild carrot Nutrition 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
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/30—Tungsten
-
- 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
- B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
-
- 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
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
-
- 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
- B01J35/61—Surface area
- B01J35/613—10-100 m2/g
-
- 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
- C02F2101/306—Pesticides
-
- 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)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (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
It is an object of the invention to overcome Conventional nano catalyst TiO2Need ultraviolet light source, degradation scale is limited, to provide a kind of method that bismuth tungstate is organic phosphorus as photocatalyst for degrading, using preparing 3D nest like bismuth tungstate nano material under strongly acidic conditions, it is under light illumination nontoxic mineral products by organic phosphorus degrading, this method degradation efficiency is high, can degrade on a large scale, it not will cause secondary pollution, be of great importance in organic phosphorus degrading field.
Description
Technical field
The present invention relates to a kind of methods that bismuth tungstate is organic phosphorus as photocatalyst for degrading, belong to catalysis material technology neck
Domain.
Background technique
Organophosphorus pesticide pollution is specially to be used as pollution of the organic phosphorus compound to environment of insecticide.They are phosphoric acid
Ester, pyrophosphate or sulfur ester have very strong desinsection, sterilizing power, it is also very big to the toxicity of people, animal, can from mouth,
Any position such as nose, skin enters in vivo and is absorbed.It mainly include DDVP, parathion, thimet, demeton, Rogor, enemy
Hundred worms, malathion etc..The annual whole world has millions of people that acute organophosphorus poisoning occurs, wherein there are about 300,000 human mortalities,
And most of generations are in developing country.
Simultaneously in organic phosphorus production process, organism P wastewater enters among rivers with water flow, can be to aquatic phytoplankton, first
The growth of shell class animal, echinoderm, fish has inhibiting effect, is also contaminated rural potable water, serious to destroy ecology
Balance.Although organic phosphorus can occur natural degradation, degradation speed is slow, just causes sternly to ecological environment before its degradation
It destroys again, therefore there is great meaning to the organic phosphorus research of artificial degradation.
The present invention is to accelerate organic phosphorus degradation speed using bismuth tungstate as photochemical catalyst, and it is organic phosphorus right to greatly reduce
The harm of environment.
Summary of the invention
It is an object of the invention to overcome Conventional nano catalyst TiO2Ultraviolet light source is needed, degradation scale is limited, from
And a kind of method that bismuth tungstate is organic phosphorus as photocatalyst for degrading is provided, using preparing 3D nest like tungsten under strongly acidic conditions
Organic phosphorus degrading is under light illumination nontoxic mineral products by sour bismuth nano material, and this method degradation efficiency is high, can drop on a large scale
Solution, not will cause secondary pollution, is of great importance in organic phosphorus degrading field.
The 3D nest like bismuth tungstate is a kind of visible-light response type conductor photocatalysis material, can visible light region into
The response of row luminous energy.3D nest like is stacked by the nanometer sheet of bismuth tungstate, and diameter is about 0.8-1.4um, and specific surface area is about
For 24.68m2/ g, and the more gaps of surface porosity, energy absorption degradation are organic phosphorus.
The organism P wastewater be with DDVP, Azodrin, parathion, thimet according to 1:1:1:1 volume mixture, and
Purity is all larger than 96%, and effective component is group thiophosphate, and is used to simulate organism P wastewater.
The bismuth tungstate nano material is 1g/L in the additive amount of organism P wastewater.
The light source is 300W xenon source, and filter is added to filter off the light of λ < 420nm, is used to simulated visible light, irradiation
Time is 40 minutes.
The mineral products of the method are to contain PO4 3-Inorganic salts, be present in waste water in the form of an ion, not to water body
It will cause pollution.
The method is first to pour into organism P wastewater in stainless steel cauldron, and bismuth tungstate nano material powder is then added
End is placed under no light conditions and stirs, after bismuth tungstate fully absorb it is organic phosphorus after, open 300w xenon light source irradiation, gradually degrade
It is organic phosphorus.
The preparation flow of the bismuth tungstate nano catalytic material of the 3D nest like is as follows:
(a) by the bismuth nitrate of 0.5mmol (Bi (NO3)).5H2O and 0.25mmol sodium tungstate is dissolved in 2mL nitric acid (2mol/L) respectively
30mL contains a certain amount of amion acetic acid (C2H5NO2) distilled water in, sodium tungstate and bismuth nitrate solution are made respectively.
(b) milky suspension is obtained after the two to be mixed in the beaker of 200mL
(c) after mixed liquor being sufficiently stirred 30 minutes, a certain amount of Na is added2SO4, stirring until salt be completely dissolved, will mix
It closes liquid and is adjusted to PH=1.
(d) mixed liquor is fitted into the ptfe autoclave of 50mL, is put into 180 DEG C of high temperature oven and keeps the temperature 24
Hour.
(e) it takes out reaction kettle to be cooled to room temperature, and collects the solid sample in reaction kettle, successively use distilled water and anhydrous second
Alcohol washes twice, dry the solid sample in 60 DEG C of insulating boxs.
Compared with prior art, the invention has the following advantages that
(1) bird's nest shape bismuth tungstate nano material is assembled by nanoplatelets, can effectively inhibit the compound of electron-hole pair,
React electrons and holes the surface that can be transferred to nanometer sheet quickly with organic matter.
(2) with traditional catalyst TiO2It compares, there is smaller forbidden bandwidth, luminous energy can be carried out in visible light region and rung
It answers, does not need generation of the ultraviolet source as secondary light source excitation electron-hole pair, degradation process can be simplified, applied simultaneously
Range is wider.
(3) the bismuth tungstate nano material is nest like structure made of being stacked as nanometer sheet, and the more gaps in surface are conducive to
It is organic phosphorus to be attached to its surface, so that degradation efficiency is higher.
Specific embodiment
Illustrate the content of present invention below in conjunction with specific example, but should not be construed as limiting the invention.
Example 1
Degradation (scientific name O, O- dimethyl-O- (2,2- dichloroethylene) of the nest like bismuth tungstate nano material to DDVP
Phosphate, organic phosphorous insecticide is a kind of, molecular formula C4H7C2O4P).
(1) DDVP of the nest like bismuth tungstate 0.1g and 100mL that prepare are mixed in stainless steel cauldron, in nothing
It is stirred evenly under the conditions of light, reaches adsorption equilibrium.
(2) 300W xenon source is opened, filter is added to filter off the light of λ < 420nm, irradiation time is 40 minutes.
(3) before and after the processing using the content of DDVP in 721 type spectrophotometer measurement solution.
(4) according to the variation of DDVP absorption peak, the degradation rate for measuring DDVP reaches 96.1%
Example 2
(tetraethyl pyrophosphate abbreviation Mortopl is that one kind is phosphorous to be had degradation of the nest like bismuth tungstate nano material to Mortopl
Machine compound, this organic compound have been used as insecticide).
(1) Mortopl of the nest like bismuth tungstate 0.1g and 100mL that prepare are mixed in stainless steel cauldron, in nothing
It is stirred evenly under the conditions of light, reaches adsorption equilibrium.
(2) 300W xenon source is opened, filter is added to filter off the light of λ < 420nm, irradiation time is 40 minutes.
(3) before and after the processing using the content of Mortopl in 721 type spectrophotometer measurement solution.
(4) according to the variation of Mortopl absorption peak, the degradation rate for measuring Mortopl reaches 94%.
Claims (4)
1. a kind of method of nest like bismuth tungstate nano catalytic material degrading organic phosphor, which is characterized in that by 3D nest like wolframic acid
Bismuth meal end and organism P wastewater are mixed in stainless steel cauldron, are irradiated after stirring with xenon lamp source, organic phosphorus to be explained, will
It is converted to CO2、H2O and other inorganic matters.
2. according to method described in claim 1, which is characterized in that 3D nest like bismuth tungstate nano material diameter is about 0.8-
The nest like of 1.4um, specific surface area are about 24.68 m2/g；Bismuth tungstate nano material is in the additive amount of organism P wastewater
1g/L。
3. according to method described in claim 1, which is characterized in that organism P wastewater be with DDVP, Azodrin, parathion,
Thimet is according to the volume mixture of 1:1:1:1, and purity is all larger than 96%, and having effective component is group thiophosphate, and is used to
Simulate organism P wastewater.
4. according to method described in claim 1, which is characterized in that mineral products are to contain PO4 3-Inorganic salts, with ion shape
Formula is present in waste water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810056586.1A CN110065990A (en) | 2018-01-21 | 2018-01-21 | A kind of method that bismuth tungstate is organic phosphorus as photocatalyst for degrading |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810056586.1A CN110065990A (en) | 2018-01-21 | 2018-01-21 | A kind of method that bismuth tungstate is organic phosphorus as photocatalyst for degrading |
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| CN110065990A true CN110065990A (en) | 2019-07-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112007633A (en) * | 2020-09-15 | 2020-12-01 | 西北矿冶研究院 | La/Bi2WO6Preparation method and application of photocatalyst |
-
2018
- 2018-01-21 CN CN201810056586.1A patent/CN110065990A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112007633A (en) * | 2020-09-15 | 2020-12-01 | 西北矿冶研究院 | La/Bi2WO6Preparation method and application of photocatalyst |
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Application publication date: 20190730 |