CN108380211A - A kind of synthetic method of metal simple-substance adulterated vanadate nanocatalyst - Google Patents
A kind of synthetic method of metal simple-substance adulterated vanadate nanocatalyst Download PDFInfo
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- CN108380211A CN108380211A CN201810091917.5A CN201810091917A CN108380211A CN 108380211 A CN108380211 A CN 108380211A CN 201810091917 A CN201810091917 A CN 201810091917A CN 108380211 A CN108380211 A CN 108380211A
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- salt
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- 239000000126 substance Substances 0.000 title claims abstract description 47
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 39
- 239000002184 metal Substances 0.000 title claims abstract description 39
- LSGOVYNHVSXFFJ-UHFFFAOYSA-N vanadate(3-) Chemical compound [O-][V]([O-])([O-])=O LSGOVYNHVSXFFJ-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 238000010189 synthetic method Methods 0.000 title claims abstract description 12
- 239000011943 nanocatalyst Substances 0.000 title claims abstract description 11
- WQEVDHBJGNOKKO-UHFFFAOYSA-K vanadic acid Chemical class O[V](O)(O)=O WQEVDHBJGNOKKO-UHFFFAOYSA-K 0.000 claims abstract description 42
- 229910052723 transition metal Inorganic materials 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- UNTBPXHCXVWYOI-UHFFFAOYSA-O azanium;oxido(dioxo)vanadium Chemical compound [NH4+].[O-][V](=O)=O UNTBPXHCXVWYOI-UHFFFAOYSA-O 0.000 claims abstract description 25
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims abstract description 23
- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 claims abstract description 23
- ZDYUUBIMAGBMPY-UHFFFAOYSA-N oxalic acid;hydrate Chemical class O.OC(=O)C(O)=O ZDYUUBIMAGBMPY-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000000758 substrate Substances 0.000 claims abstract description 22
- 239000012153 distilled water Substances 0.000 claims abstract description 21
- 239000011941 photocatalyst Substances 0.000 claims abstract description 20
- -1 Transition metal salt Chemical class 0.000 claims abstract description 19
- 238000005342 ion exchange Methods 0.000 claims abstract description 12
- 150000003624 transition metals Chemical class 0.000 claims abstract description 12
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000003054 catalyst Substances 0.000 claims abstract description 11
- 239000012266 salt solution Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000002360 preparation method Methods 0.000 claims abstract description 8
- 229910021645 metal ion Inorganic materials 0.000 claims abstract description 6
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 5
- 238000004090 dissolution Methods 0.000 claims abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 24
- 229910052799 carbon Inorganic materials 0.000 claims description 24
- 239000004744 fabric Substances 0.000 claims description 23
- 238000001035 drying Methods 0.000 claims description 21
- 239000002070 nanowire Substances 0.000 claims description 18
- 239000000243 solution Substances 0.000 claims description 17
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 16
- 238000004140 cleaning Methods 0.000 claims description 13
- 229920000742 Cotton Polymers 0.000 claims description 11
- 206010013786 Dry skin Diseases 0.000 claims description 10
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000011068 loading method Methods 0.000 claims description 10
- 239000002243 precursor Substances 0.000 claims description 10
- 239000010936 titanium Substances 0.000 claims description 10
- 229910052719 titanium Inorganic materials 0.000 claims description 10
- 238000011010 flushing procedure Methods 0.000 claims description 8
- 239000006260 foam Substances 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 239000002957 persistent organic pollutant Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 150000001621 bismuth Chemical class 0.000 claims description 4
- 150000002471 indium Chemical class 0.000 claims description 4
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 4
- 150000002603 lanthanum Chemical class 0.000 claims description 4
- 150000003057 platinum Chemical class 0.000 claims description 4
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 claims description 4
- 150000003657 tungsten Chemical class 0.000 claims description 4
- 150000003751 zinc Chemical class 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 3
- 238000006303 photolysis reaction Methods 0.000 claims description 3
- 238000002604 ultrasonography Methods 0.000 claims description 3
- 150000000703 Cerium Chemical class 0.000 claims description 2
- 150000000918 Europium Chemical class 0.000 claims description 2
- 150000000921 Gadolinium Chemical class 0.000 claims description 2
- 150000001216 Samarium Chemical class 0.000 claims description 2
- 150000001225 Ytterbium Chemical class 0.000 claims description 2
- 239000005416 organic matter Substances 0.000 claims description 2
- 239000002351 wastewater Substances 0.000 claims description 2
- 238000007654 immersion Methods 0.000 claims 1
- 229910001428 transition metal ion Inorganic materials 0.000 claims 1
- 230000001699 photocatalysis Effects 0.000 abstract description 8
- 238000007146 photocatalysis Methods 0.000 abstract description 3
- 230000035484 reaction time Effects 0.000 abstract description 2
- 229910052684 Cerium Inorganic materials 0.000 description 10
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 10
- 239000007788 liquid Substances 0.000 description 9
- 238000009938 salting Methods 0.000 description 9
- 229910002915 BiVO4 Inorganic materials 0.000 description 8
- 238000002156 mixing Methods 0.000 description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 6
- 229910052738 indium Inorganic materials 0.000 description 6
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 6
- 229910052725 zinc Inorganic materials 0.000 description 6
- 239000011701 zinc Substances 0.000 description 6
- 229910052693 Europium Inorganic materials 0.000 description 5
- 229910052772 Samarium Inorganic materials 0.000 description 5
- 229910052769 Ytterbium Inorganic materials 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 5
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 5
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 description 4
- 229910052721 tungsten Inorganic materials 0.000 description 4
- 239000010937 tungsten Substances 0.000 description 4
- 229910052688 Gadolinium Inorganic materials 0.000 description 3
- 229910052797 bismuth Inorganic materials 0.000 description 3
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(I) nitrate Inorganic materials [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 2
- RAVDHKVWJUPFPT-UHFFFAOYSA-N silver;oxido(dioxo)vanadium Chemical compound [Ag+].[O-][V](=O)=O RAVDHKVWJUPFPT-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 229910001431 copper ion Inorganic materials 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- RJOJUSXNYCILHH-UHFFFAOYSA-N gadolinium(3+) Chemical compound [Gd+3] RJOJUSXNYCILHH-UHFFFAOYSA-N 0.000 description 1
- 238000010335 hydrothermal treatment Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 235000012149 noodles Nutrition 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000006862 quantum yield reaction Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
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- 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
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/648—Vanadium, niobium or tantalum or polonium
- B01J23/6482—Vanadium
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- 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
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- 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
- B01J23/20—Vanadium, niobium or tantalum
- B01J23/22—Vanadium
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- 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
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- 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
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/66—Silver or gold
- B01J23/68—Silver or gold with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/682—Silver or gold with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with vanadium, niobium, tantalum or polonium
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- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/847—Vanadium, niobium or tantalum or polonium
- B01J23/8472—Vanadium
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- B01J35/20—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state
- B01J35/23—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state in a colloidal state
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- 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
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- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
- B01J37/10—Heat treatment in the presence of water, e.g. steam
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- B01J37/16—Reducing
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- B01J37/30—Ion-exchange
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/04—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of inorganic compounds, e.g. ammonia
- C01B3/042—Decomposition of water
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- 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
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- 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
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- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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- Combustion & Propulsion (AREA)
- Inorganic Chemistry (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 a kind of synthetic methods of metal simple-substance adulterated vanadate nanocatalyst, belong to photochemical catalyst preparing technical field.Transition metal salt, ammonium metavanadate, two oxalic acid hydrates, six four ammoniums of methylene are dissolved in distilled water by a certain percentage, ultrasonic dissolution obtains presoma, presoma is moved into the autoclave containing substrate and carries out hydro-thermal reaction, there is the substrate of Transition Metals V silicate nanometer line to clean load after reaction, it is dry, there is the substrate of Transition Metals V silicate nanometer line to be immersed in soluble metal salt solution at 10 100 DEG C load later, takes out, cleans, is dry, finally using H again2High temperature reduction method under atmosphere, the metal ion that ion exchange is inserted into vanadic acid salt deposit is reduced to metal simple-substance, obtain a kind of metal simple-substance adulterated vanadate nano-photocatalyst, preparation process of the present invention is simple, reaction condition is mild and the reaction time is short, overall process non-secondary pollution object generates, and the photochemical catalyst of preparation has excellent photocatalysis performance.
Description
Technical field
The present invention relates to a kind of synthetic methods of metal simple-substance adulterated vanadate nanocatalyst, belong to nano-photocatalyst
Technical field of material.
Technical background
With the continuous development of modern industry, environmental problem and energy crisis are that human society faces and be badly in need of the weight solved
Big project.Solar energy is a kind of never exhausted natural energy resources, and in today of resource increasingly reduction, the exploitation of solar energy is to substitute
One of method of traditional energy, and current semiconductor solar energy catalysis technique is then to combine the energy well and environment two is asked greatly
One key point of topic, because by by solar energy photon irradiation, photochemical catalyst excites carrier mobility, water is made to be converted into cleaning
The hydrogen energy source that can carry out practical application, by the bands such as very effective solution fossil energy exhaustion, gas greenhouse, environmental effect
The crisis come, and photocatalytic degradation can be very good to eliminate toxic organic pollutant utilization using the oxidation of holoe carrier
Photocatalytic degradation environmental contaminants improve recycling for the energy, have in room temperature condition, will further become and solve environment dirt
The cheap feasible approach of one of dye problem.
Vanadate is a kind of excellent functional material, is widely used in fluorescence and laser material field.Newest research
Show monocline crystalline phase vanadate because of its relatively narrow narrowband width (2.3~2.4eV), in the higher photocatalytic activity of visible region,
And show the development potentiality of good photocatalysis field.That has reported has pucherite, silver vanadate, vanadic acid indium, ferric vandate, vanadic acid
Zinc, vanadic acid tin, vanadic acid tungsten etc. are high-activity photocatalysts.However, the photo-quantum efficiency due to vanadate photocatalyst is relatively low
It is higher with the recombination probability of photo-generate electron-hole pair, cause its photochemical catalyst efficiency limited.Therefore, in order to improve vanadate
Photocatalytic activity is needed vanadate doping vario-property.
Metal ion can provide electron transfer orbital, can enhance capture of the photo-generated carrier at interface；Rare earth ion half
Diameter is larger, after adulterating lattice, easily causes distortion of lattice, chemical bond in lattice is made to be distorted, and generates Lacking oxygen, as photoproduction sky
The trapping centre in cave increases the disengaging time of photo-generate electron-hole, it is promoted to detach, to improve catalytic performance.
Lang Chen et al. (Controllable synthesis of hollow and porous Ag/BiVO4
composites with enhanced visible-light photocatalytic performance,RSC
Adv.2013,3,2435-24361.) simple hydrothermal method is used, by adjusting AgNO3Content, be prepared for hollow Ag/
BiVO4Nano-complex, the experimental results showed that 6.5%Ag/BiVO4The catalytic effect of composite photo-catalyst is best.Shao-Wen
Cao et al. [Preparation of Au-BiVO4Heterogeneous Nanostructures as Highly
Efficient Visible-Light Photocatalysts,ACS Appl.Mater.Interfaces 2012,4,418–
Au 423] is loaded to by growth in situ the BiVO of micron tube and nanometer plate-like4Surface, the experimental results showed that Au-BiVO4Can
All than the BiVO of single micron cubic block and nanometer plate-like in terms of dyestuff degradation and the oxidation of water under light-exposed irradiation4Catalytic
It can improve very much.Amin Yoosefi Booshehri et al. [Effect of depositing silver
nanoparticles on BiVO4in enhancing visible light photocatalytic inactivation
Of bacteria in water, J.Mater.Chem.A2014,2,6209-6217.] Ag loaded into BiVO4On obtain Ag/
BiVO4Compound, the compound photocatalysis performance are significantly improved.But above-mentioned hydro-thermal treatment method needs hydrothermal reaction kettle,
Hydrothermal conditions are long, and temperature is higher.The microwave generator price of microwave method, and the volume of existing microwave generator
It is too small, limit the yield of photocatalyst product.
Invention content
The present invention is in view of the problems of the existing technology, and it is an object of the present invention to provide a kind of metal simple-substance adulterated vanadate nanometer is urged
The synthetic method of agent.
To achieve the goals above, the present invention uses following technical scheme：
A kind of synthetic method of metal simple-substance adulterated vanadate nanocatalyst, it is characterised in that：The preparation method is
Transition metal salt, ammonium metavanadate, two oxalic acid hydrates, six four ammoniums of methylene are dissolved in distilled water by finger by a certain percentage, ultrasound
Dissolving obtains presoma, and presoma is moved into the autoclave containing substrate and carries out hydro-thermal reaction, will be born after reaction
The substrate cleaning, drying of Transition Metals V silicate nanometer line are loaded with, load is had to the base of Transition Metals V silicate nanometer line later
Bottom is immersed at 10-100 DEG C in soluble metal salt solution, is taken out, is cleaned, is dry, finally using H again2High temperature under atmosphere
The metal simple-substance that ion exchange is inserted into vanadic acid salt deposit is reduced to metal simple-substance by reduction method, obtain a kind of metal from
Sub- adulterated vanadate nano-photocatalyst, preparation method carry out according to the following steps：
Transition metal salt, ammonium metavanadate, two oxalic acid hydrates, six four ammoniums of methylene are added in distilled water by a, and ultrasound is molten
Solution obtains presoma, wherein a concentration of 0.2~1mol/L of ammonium metavanadate, and the concentration ratio of ammonium metavanadate and transition metal salt is 1:
6~1:20, the concentration ratio of two oxalic acid hydrates and transition metal salt is 1:3~1:10, six four ammoniums of methylene and transition metal salt
Concentration ratio be 1:3~1:6；
B cleans substrate, and the substrate after cleaning is put into autoclave liner；
C by after the prepared precursor solution of a steps is transferred in the autoclave liner equipped with substrate, 90~
150 DEG C of 40~120min of reaction, take out reaction kettle after room temperature natural cooling, have transition metal vanadate to receive reaction back loading
The substrate of rice noodles is taken out, with distilled water flushing, in an oven 30~100 DEG C of dryings；
D takes the load after drying step c to have the substrate of Transition Metals V silicate nanometer line, in 0.01-1mol/L metals
In salting liquid impregnate 1~for 24 hours；
E takes in step c the load after being impregnated in metal salt solution to have the substrate of Transition Metals V silicate nanometer line,
H in tube furnace2With the heating rate of 0.5~2 DEG C/min under atmosphere, 200~700 DEG C are heated to, 2~5h is kept the temperature, ion is handed over
The metal ion inserted in vanadic acid salt deposit is reduced to metal simple-substance, obtains a kind of metal simple-substance adulterated vanadate nanometer
Photochemical catalyst.
The transition metal salt is one kind in bismuth salt, indium salts, molysite, zinc salt, pink salt, silver salt, tungsten salt, mantoquita.
The substrate is one kind in carbon cloth or cotton or titanium sheet or stainless steel steel wire or nickel foam.
The soluble metallic salt is one kind in platinum salt, lanthanum salt, cerium salt, samarium salt, europium salt, gadolinium salt or ytterbium salt.
The described metal simple-substance doping photochemical catalyst can degrade Organic Pollutants in Wastewater or photocatalytic water under sunlight
Produce organic matter in hydrogen or removal gas phase.
The transition metal photocatalysts can be in degradable organic pollutant under sunlight or photodissociation aquatic products hydrogen.Due to adopting
With above technical scheme, a kind of synthetic method of metal simple-substance adulterated vanadate nanocatalyst is first obtained transition metal
Vanadate nano wire, then Transition Metals V silicate nanometer line is placed in metal salt solution and is impregnated, ion exchange is inserted into vanadic acid
Metal ion in salt deposit is reduced to metal simple-substance, obtains a kind of metal simple-substance adulterated vanadate nano-photocatalyst,
Reaction condition of the present invention is mild and the reaction time is short, and the product prepared is grown in the lower-cost substrate such as cotton, technique letter
Single, easy to operate, overall process non-secondary pollution object generates, and the metal simple-substance adulterated in the present invention is inserted into vanadic acid salt deposit, metal
The doping of simple substance can accelerate the migration of photo-generated carrier in photochemical catalyst, inhibit the compound of electronics and hole, to realize electronics-
Hole efficiently separates, and increases quantum yield, improves the catalytic activity of photochemical catalyst.Meanwhile the doping of metal simple-substance makes light urge
The red-shift of absorption edge of agent is to visible region.Therefore a kind of metal simple-substance adulterated vanadate photochemical catalyst of the present invention, can
Degradable organic pollutant or photodissociation aquatic products hydrogen under sunlight, are a kind of low and simple and practicable high visible-light activities of production cost
Photochemical catalyst preparation method.
Specific implementation mode
The present invention is described in further detail with reference to embodiment.
Embodiment 1
Bismuth salt, ammonium metavanadate, two oxalic acid hydrates, six four ammoniums of methylene are added in distilled water by a, and ultrasonic mixing is made into
Mixed liquor obtains presoma, the wherein a concentration of 0.2mol/L of ammonium metavanadate, a concentration of 1.2mol/L of bismuth salt, two oxalic acid hydrates
A concentration of 0.4mol/L, a concentration of 0.4mol/L of six four ammoniums of methylene；
B cleans carbon cloth, and the carbon cloth after cleaning is put into autoclave liner；
C is by after the prepared precursor solution of a steps is transferred in the autoclave liner equipped with carbon cloth, at 90 DEG C
40min is reacted, takes out reaction kettle after room temperature natural cooling, will react back loading has the carbon cloth of vanadic acid bismuth nano-wire to take out, and uses
Distilled water flushing, in an oven 30 DEG C of dryings；
D takes the load after drying step c to have the carbon cloth of vanadic acid bismuth nano-wire, is impregnated in 0.01mol/L platinum salt solution
1h；
E takes in Step d the load after being impregnated in platinum salt solution to have the carbon cloth of vanadic acid bismuth nano-wire, the H in tube furnace2
With the heating rate of 0.5 DEG C/min under atmosphere, 200 DEG C are heated to, 2h is kept the temperature, will be inserted into pucherite layer by ion exchange
Platinum ion is reduced to simple substance platinum, obtains a kind of simple substance platinum dopant pucherite nano-photocatalyst.
Embodiment 2
Indium salts, ammonium metavanadate, two oxalic acid hydrates, six four ammoniums of methylene are added in distilled water by a, and ultrasonic mixing is made into
Mixed liquor obtains presoma, the wherein a concentration of 1mol/L of ammonium metavanadate, a concentration of 20mol/L of indium salts, two oxalic acid hydrates
A concentration of 2mol/L, a concentration of 3mol/L of six four ammoniums of methylene；
B cleans cotton, and the cotton after cleaning is put into autoclave liner；
C is by after the prepared precursor solution of a steps is transferred in the autoclave liner equipped with cotton, 150
DEG C reaction 120min, take out reaction kettle after room temperature natural cooling, by react back loading have vanadic acid indium cotton take out, with distillation
Water rinses, 100 DEG C of dryings in an oven；
D takes the load after drying step c to have the carbon cloth of vanadic acid indium nano wire, impregnates 1h in 1mol/L lanthanum salt solution；
E takes in Step d the load after being impregnated in lanthanum salt solution to have the carbon cloth of vanadic acid indium nano wire, the H in tube furnace2
With the heating rate of 2 DEG C/min under atmosphere, 700 DEG C are heated to, keeps the temperature 5h, the lanthanum that will be inserted by ion exchange in vanadic acid indium layer
Ion reduction is simple substance lanthanum, obtains a kind of simple substance La doped vanadic acid indium nano-photocatalyst.
Embodiment 3
Molysite, ammonium metavanadate, two oxalic acid hydrates, six four ammoniums of methylene are added in distilled water by a, and ultrasonic mixing is made into
Mixed liquor obtains presoma, the wherein a concentration of 0.5mol/L of ammonium metavanadate, a concentration of 5mol/L of molysite, two oxalic acid hydrates
A concentration of 1mol/L, a concentration of 1mol/L of six four ammoniums of methylene；
B cleans titanium sheet, and the titanium sheet after cleaning is put into autoclave liner；
C is by after the prepared precursor solution of a steps is transferred in the autoclave liner equipped with titanium sheet, at 90 DEG C
80min is reacted, takes out reaction kettle after room temperature natural cooling, will react back loading has the titanium sheet of vanadic acid Fe nanowire to take out, and uses
Distilled water flushing, in an oven 80 DEG C of dryings；
D takes the load after drying step c to have the carbon cloth of vanadic acid Fe nanowire, is impregnated in 0.1mol/L cerium solutions
1h；
E takes in Step d the load after being impregnated in cerium solution to have the carbon cloth of vanadic acid Fe nanowire, the H in tube furnace2
With the heating rate of 1 DEG C/min under atmosphere, 500 DEG C are heated to, keeps the temperature 3h, the cerium that will be inserted by ion exchange in vanadic acid iron layer
Ion reduction is simple substance cerium, obtains a kind of simple substance cerium dopping ferric vandate nano-photocatalyst.
Embodiment 4
Zinc salt, ammonium metavanadate, two oxalic acid hydrates, six four ammoniums of methylene are added in distilled water by a, and ultrasonic mixing is made into
Mixed liquor obtains presoma, the wherein a concentration of 0.2mol/L of ammonium metavanadate, a concentration of 1.2mol/L of zinc salt, two oxalic acid hydrates
A concentration of 0.4mol/L, a concentration of 0.4mol/L of six four ammoniums of methylene；
B cleans stainless steel steel wire, and the stainless steel steel wire after cleaning is put into autoclave liner；
C will be transferred to through the prepared precursor solution of a steps in the autoclave liner equipped with stainless steel steel wire
Afterwards, 40min is reacted at 90 DEG C, takes out reaction kettle after room temperature natural cooling, and reaction back loading is had into Zinc vanadate nano wire not
The steel steel wire that becomes rusty takes out, with distilled water flushing, in an oven 30 DEG C of dryings；
D takes the load after drying step c to have the carbon cloth of Zinc vanadate nano wire, is impregnated in 0.01mol/L samarium salting liquids
1h；
E takes in Step d the load after being impregnated in samarium salting liquid to have the carbon cloth of Zinc vanadate nano wire, the H in tube furnace2
With the heating rate of 1 DEG C/min under atmosphere, 250 DEG C are heated to, keeps the temperature 3h, the samarium that will be inserted by ion exchange in vanadic acid zinc layers
Ion reduction is simple substance samarium, obtains a kind of simple substance samarium doping Zinc vanadate nano-photocatalyst.
Embodiment 5
Pink salt, ammonium metavanadate, two oxalic acid hydrates, six four ammoniums of methylene are added in distilled water by a, and ultrasonic mixing is made into
Mixed liquor obtains presoma, the wherein a concentration of 1mol/L of ammonium metavanadate, a concentration of 20mol/L of pink salt, two oxalic acid hydrates
A concentration of 2mol/L, a concentration of 3mol/L of six four ammoniums of methylene；
B cleans nickel foam, and the nickel foam after cleaning is put into autoclave liner；
C by after the prepared precursor solution of a steps is transferred in the autoclave liner equipped with nickel foam,
150 DEG C of reaction 120min, take out reaction kettle after room temperature natural cooling, and will react back loading has the nickel foam of vanadic acid tin to take out,
With distilled water flushing, in an oven 100 DEG C of dryings；
D takes the load after drying step c to have the nickel foam of vanadic acid stannum nanowire, is impregnated in 1mol/L europium salting liquids
1h；
E takes in Step d the load after being impregnated in europium salting liquid to have the nickel foam of vanadic acid stannum nanowire, in tube furnace
H2With the heating rate of 2 DEG C/min under atmosphere, 300 DEG C are heated to, 5h is kept the temperature, will be inserted into vanadic acid tin layers by ion exchange
Europium ion is reduced to simple substance europium, obtains a kind of simple substance europium doping vanadic acid tin nano-photocatalyst.
Embodiment 6
Silver salt, ammonium metavanadate, two oxalic acid hydrates, six four ammoniums of methylene are added in distilled water by a, and ultrasonic mixing is made into
Mixed liquor obtains presoma, the wherein a concentration of 0.2mol/L of ammonium metavanadate, a concentration of 1.2mol/L of silver salt, two oxalic acid hydrates
A concentration of 0.4mol/L, a concentration of 0.4mol/L of six four ammoniums of methylene；
B cleans carbon cloth, and the carbon cloth after cleaning is put into autoclave liner；
C is by after the prepared precursor solution of a steps is transferred in the autoclave liner equipped with carbon cloth, at 90 DEG C
40min is reacted, takes out reaction kettle after room temperature natural cooling, will react back loading has the carbon cloth of vanadic acid nano silver wire to take out, and uses
Distilled water flushing, in an oven 30 DEG C of dryings；
D takes the load after drying step c to have the carbon cloth of vanadic acid nano silver wire, is impregnated in 0.1mol/L gadolinium salting liquids
1h；
E takes in Step d the load after being impregnated in gadolinium salting liquid to have the carbon cloth of vanadic acid nano silver wire, the H in tube furnace2
With the heating rate of 0.5 DEG C/min under atmosphere, 200 DEG C are heated to, 2h is kept the temperature, will be inserted into vanadic acid silver layer by ion exchange
Gadolinium ion is reduced to simple substance gadolinium, obtains a kind of simple substance Gd2 O3 silver vanadate nano-photocatalyst.
Embodiment 7
Tungsten salt, ammonium metavanadate, two oxalic acid hydrates, six four ammoniums of methylene are added in distilled water by a, and ultrasonic mixing is made into
Mixed liquor obtains presoma, the wherein a concentration of 1mol/L of ammonium metavanadate, a concentration of 20mol/L of tungsten salt, two oxalic acid hydrates
A concentration of 2mol/L, a concentration of 3mol/L of six four ammoniums of methylene；
B cleans cotton, and the cotton after cleaning is put into autoclave liner；
C is by after the prepared precursor solution of a steps is transferred in the autoclave liner equipped with cotton, 150
DEG C reaction 120min, take out reaction kettle after room temperature natural cooling, by react back loading have vanadic acid tungsten cotton take out, with distillation
Water rinses, 100 DEG C of dryings in an oven；
D takes the load after drying step c to have the carbon cloth of vanadic acid tungsten nanowires, is impregnated in 0.01mol/L ytterbium salting liquids
1h；
E takes in Step d the load after being impregnated in ytterbium salting liquid to have the carbon cloths of vanadic acid tungsten nanowires, the H in tube furnace2
With the heating rate of 2 DEG C/min under atmosphere, 300 DEG C are heated to, keeps the temperature 5h, the ytterbium that will be inserted by ion exchange in vanadic acid tungsten layer
Ion reduction is simple substance ytterbium, obtains a kind of simple substance ytterbium doping vanadic acid tungsten nano-photocatalyst.
Embodiment 8
Mantoquita, ammonium metavanadate, two oxalic acid hydrates, six four ammoniums of methylene are added in distilled water by a, and ultrasonic mixing is made into
Mixed liquor obtains presoma, the wherein a concentration of 0.5mol/L of ammonium metavanadate, a concentration of 5mol/L of mantoquita, two oxalic acid hydrates
A concentration of 1mol/L, a concentration of 1mol/L of six four ammoniums of methylene；
B cleans titanium sheet, and the titanium sheet after cleaning is put into autoclave liner；
C is by after the prepared precursor solution of a steps is transferred in the autoclave liner equipped with titanium sheet, at 90 DEG C
80min is reacted, takes out reaction kettle after room temperature natural cooling, will react back loading has the titanium sheet of vanadic acid copper nano-wire to take out, and uses
Distilled water flushing, in an oven 80 DEG C of dryings；
D takes the load after drying step c to have the carbon cloth of vanadic acid copper nano-wire, impregnates 1h in 1mol/L cerium solutions；
E takes in Step d the load after being impregnated in cerium solution to have the carbon cloth of vanadic acid copper nano-wire, the H in tube furnace2
With the heating rate of 1 DEG C/min under atmosphere, 500 DEG C are heated to, keeps the temperature 3h, the cerium that will be inserted by ion exchange in vanadic acid layers of copper
Ion reduction is simple substance cerium, obtains a kind of simple substance cerium dopping copper vanadate nano-photocatalyst.
Claims (5)
1. a kind of synthetic method of metal simple-substance adulterated vanadate nanocatalyst, it is characterised in that：The preparation method refers to
Transition metal salt, ammonium metavanadate, two oxalic acid hydrates, six four ammoniums of methylene are dissolved in distilled water by a certain percentage, ultrasound is molten
Solution obtains presoma, and presoma is moved into the autoclave containing substrate and carries out hydro-thermal reaction, after reaction will load
There are the substrate cleaning, drying of Transition Metals V silicate nanometer line, load is had to the substrate of Transition Metals V silicate nanometer line later
It is immersed in soluble metal salt solution at 10-100 DEG C, takes out, cleans, is dry, finally using H again2High temperature is also under atmosphere
The metal ion that ion exchange is inserted into vanadic acid salt deposit is reduced to metal simple-substance, obtains a kind of metal simple-substance by former method
Adulterated vanadate nano-photocatalyst, preparation method carry out according to the following steps：
Transition metal salt, ammonium metavanadate, two oxalic acid hydrates, six four ammoniums of methylene are added in distilled water by a, and ultrasonic dissolution obtains
To presoma, wherein a concentration of 0.2~1mol/L of ammonium metavanadate, the concentration ratio of ammonium metavanadate and transition metal salt is 1:6~
1:20, the concentration ratio of two oxalic acid hydrates and transition metal salt is 1:3~1:10, six four ammoniums of methylene and transition metal salt it is dense
Degree is than being 1:3~1:6；
B cleans substrate, and the substrate after cleaning is put into autoclave liner；
C is by after the prepared precursor solution of a steps is transferred in the autoclave liner equipped with substrate, 90~150
DEG C reaction 40~120min, take out reaction kettle after room temperature natural cooling, will reaction back loading have Transition Metals V silicate nanometer
The substrate of line is taken out, with distilled water flushing, in an oven 30~100 DEG C of dryings；
Load after d dries step c has the substrate of Transition Metals V silicate nanometer line, in 0.01-1mol/L metal salt solutions
Middle immersion 1~for 24 hours；
E takes in step c the load after being impregnated in metal salt solution to have the base of doped transition metal ions vanadate nano wire
Bottom, the H in tube furnace2With the heating rate of 0.5~2 DEG C/min under atmosphere, 200~700 DEG C are heated to, keeps the temperature 2~5h, it will be from
Son exchanges the metal ion being inserted into vanadic acid salt deposit and is reduced to metal simple-substance, obtains a kind of metal simple-substance adulterated vanadate
Nano-photocatalyst.
2. a kind of synthetic method of metal simple-substance adulterated vanadate nanocatalyst according to claim 1, feature exist
In：The transition metal salt is one kind in bismuth salt, indium salts, molysite, zinc salt, pink salt, silver salt, tungsten salt, mantoquita.
3. a kind of synthetic method of metal simple-substance adulterated vanadate nanocatalyst according to claim 1, feature exist
In：The substrate is one kind in carbon cloth or cotton or titanium sheet or stainless steel steel wire or nickel foam.
4. a kind of synthetic method of metal simple-substance adulterated vanadate nanocatalyst according to claim 1, feature exist
In：The soluble metallic salt is one kind in platinum salt, lanthanum salt, cerium salt, samarium salt, europium salt, gadolinium salt or ytterbium salt.
5. a kind of synthetic method of metal simple-substance adulterated vanadate nanocatalyst according to claim 1, feature exist
In：The described metal simple-substance doping photochemical catalyst can degrade under sunlight Organic Pollutants in Wastewater or photodissociation aquatic products hydrogen or
Remove organic matter in gas phase.
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| CN113663682A (en) * | 2021-07-12 | 2021-11-19 | 西南林业大学 | Non-supported mesoporous hydrodeoxygenation catalyst and preparation and application thereof |
| US11453599B1 (en) | 2022-04-06 | 2022-09-27 | King Fahd University Of Petroleum And Minerals | Hybrid photoactive heterojunction and method of preparation thereof |
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| CN115779932A (en) * | 2022-11-01 | 2023-03-14 | 陕西科技大学 | V-CdS/NiS 2 Preparation method of composite photocatalyst |
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| CN111807410A (en) * | 2020-06-08 | 2020-10-23 | 中国地质大学（武汉） | Copper-doped vanadate electrode material and preparation method and application thereof |
| CN113461055A (en) * | 2021-07-01 | 2021-10-01 | 陕西理工大学 | Oxygen vacancy defect-rich Cu3V2O8Preparation method of nano bead |
| CN113663682A (en) * | 2021-07-12 | 2021-11-19 | 西南林业大学 | Non-supported mesoporous hydrodeoxygenation catalyst and preparation and application thereof |
| US11453599B1 (en) | 2022-04-06 | 2022-09-27 | King Fahd University Of Petroleum And Minerals | Hybrid photoactive heterojunction and method of preparation thereof |
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| CN115779932B (en) * | 2022-11-01 | 2024-04-02 | 陕西科技大学 | V-CdS/NiS 2 Preparation method of composite photocatalyst |
| CN115500256A (en) * | 2022-11-05 | 2022-12-23 | 北京化工大学 | Photocatalysis nitrogen fixation plant water planting growth device |
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Application publication date: 20180810 |