LU503921B1 - Visible light photocatalyst for in-situ synthesis of hydrogen peroxide and preparation method and application thereof - Google Patents
Visible light photocatalyst for in-situ synthesis of hydrogen peroxide and preparation method and application thereof Download PDFInfo
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- LU503921B1 LU503921B1 LU503921A LU503921A LU503921B1 LU 503921 B1 LU503921 B1 LU 503921B1 LU 503921 A LU503921 A LU 503921A LU 503921 A LU503921 A LU 503921A LU 503921 B1 LU503921 B1 LU 503921B1
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- Prior art keywords
- visible light
- hydrogen peroxide
- organic polymer
- covalent organic
- light photocatalyst
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- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 66
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 34
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 32
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 29
- 229920000620 organic polymer Polymers 0.000 claims abstract description 51
- 238000000034 method Methods 0.000 claims abstract description 23
- 239000012279 sodium borohydride Substances 0.000 claims abstract description 14
- 229910000033 sodium borohydride Inorganic materials 0.000 claims abstract description 14
- 239000002253 acid Substances 0.000 claims abstract description 13
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000002105 nanoparticle Substances 0.000 claims abstract description 7
- 239000001301 oxygen Substances 0.000 claims abstract description 7
- 239000013310 covalent-organic framework Substances 0.000 claims abstract description 6
- 230000009467 reduction Effects 0.000 claims abstract description 4
- 238000005470 impregnation Methods 0.000 claims abstract description 3
- 238000006243 chemical reaction Methods 0.000 claims description 31
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 27
- 238000003756 stirring Methods 0.000 claims description 23
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000011259 mixed solution Substances 0.000 claims description 16
- 239000007864 aqueous solution Substances 0.000 claims description 15
- 239000002904 solvent Substances 0.000 claims description 15
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 14
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 14
- 239000002244 precipitate Substances 0.000 claims description 14
- 239000000243 solution Substances 0.000 claims description 14
- 238000005406 washing Methods 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims description 9
- AUHZEENZYGFFBQ-UHFFFAOYSA-N mesitylene Substances CC1=CC(C)=CC(C)=C1 AUHZEENZYGFFBQ-UHFFFAOYSA-N 0.000 claims description 9
- 125000001827 mesitylenyl group Chemical group [H]C1=C(C(*)=C(C([H])=C1C([H])([H])[H])C([H])([H])[H])C([H])([H])[H] 0.000 claims description 9
- 238000004659 sterilization and disinfection Methods 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
- 238000004108 freeze drying Methods 0.000 claims description 7
- 238000010942 self-nucleation Methods 0.000 claims description 7
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 7
- ODHXBMXNKOYIBV-UHFFFAOYSA-N triphenylamine Chemical compound C1=CC=CC=C1N(C=1C=CC=CC=1)C1=CC=CC=C1 ODHXBMXNKOYIBV-UHFFFAOYSA-N 0.000 claims description 7
- 229910021642 ultra pure water Inorganic materials 0.000 claims description 7
- 239000012498 ultrapure water Substances 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 claims description 6
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 230000001954 sterilising effect Effects 0.000 claims description 5
- 230000035484 reaction time Effects 0.000 claims description 2
- 238000002525 ultrasonication Methods 0.000 claims description 2
- 150000002978 peroxides Chemical class 0.000 claims 1
- 230000001699 photocatalysis Effects 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 7
- 238000010521 absorption reaction Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000011161 development Methods 0.000 abstract description 3
- 239000010931 gold Substances 0.000 description 28
- 230000008569 process Effects 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 238000009303 advanced oxidation process reaction Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000011068 loading method Methods 0.000 description 4
- 230000000844 anti-bacterial effect Effects 0.000 description 3
- 244000052616 bacterial pathogen Species 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 238000007146 photocatalysis Methods 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- UMPKMCDVBZFQOK-UHFFFAOYSA-N potassium;iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[K+].[Fe+3] UMPKMCDVBZFQOK-UHFFFAOYSA-N 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- 241000588724 Escherichia coli Species 0.000 description 2
- 238000001157 Fourier transform infrared spectrum Methods 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000011630 iodine Substances 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000001000 micrograph Methods 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000006798 recombination Effects 0.000 description 2
- 238000005215 recombination Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 208000025721 COVID-19 Diseases 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- 208000019331 Foodborne disease Diseases 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000004904 UV filter Substances 0.000 description 1
- 208000034817 Waterborne disease Diseases 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- FFGPTBGBLSHEPO-UHFFFAOYSA-N carbamazepine Chemical compound C1=CC2=CC=CC=C2N(C(=O)N)C2=CC=CC=C21 FFGPTBGBLSHEPO-UHFFFAOYSA-N 0.000 description 1
- 229960000623 carbamazepine Drugs 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003426 co-catalyst Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000001963 growth medium Substances 0.000 description 1
- 238000003837 high-temperature calcination Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-M iodide Chemical compound [I-] XMBWDFGMSWQBCA-UHFFFAOYSA-M 0.000 description 1
- 229940006461 iodide ion Drugs 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- FAIAAWCVCHQXDN-UHFFFAOYSA-N phosphorus trichloride Chemical compound ClP(Cl)Cl FAIAAWCVCHQXDN-UHFFFAOYSA-N 0.000 description 1
- 238000007540 photo-reduction reaction Methods 0.000 description 1
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 1
- 238000013032 photocatalytic reaction Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- IWZKICVEHNUQTL-UHFFFAOYSA-M potassium hydrogen phthalate Chemical compound [K+].OC(=O)C1=CC=CC=C1C([O-])=O IWZKICVEHNUQTL-UHFFFAOYSA-M 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000012029 structural testing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 238000009210 therapy by ultrasound Methods 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- GPRLSGONYQIRFK-MNYXATJNSA-N triton Chemical compound [3H+] GPRLSGONYQIRFK-MNYXATJNSA-N 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
-
- 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
- B01J23/52—Gold
-
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/06—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing polymers
- B01J31/063—Polymers comprising a characteristic microstructure
-
- 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
- B01J35/45—Nanoparticles
-
- 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
- B01J37/16—Reducing
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
- C01B15/01—Hydrogen peroxide
- C01B15/027—Preparation from water
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0234—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
- B01J31/0235—Nitrogen containing compounds
- B01J31/0244—Nitrogen containing compounds with nitrogen contained as ring member in aromatic compounds or moieties, e.g. pyridine
-
- 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
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Catalysts (AREA)
Claims (10)
1. Fin Verfahren zur Herstellung des Photokatalysators für sichtbarem Licht zur in-situ- Synthese von Wasserstoffperoxid, dadurch gekennzeichnet, dass das kovalente organische Polymer mit Chlorwasserstoffsäure unter Verwendung des Nassimprägnierungsverfahrens imprägniert wird, so dass die Chlorwasserstoffsäure gleichmäBig auf der inneren Oberfläche des kovalenten organischen Polymers verteilt wird, wodurch die Reduktionsreaktion von Natriumborhydrid unterstützt wird, um Goldnanopartikel zu erzeugen und sie auf das kovalente organische Polymer zu laden.
2. Verfahren zur Herstellung des Photokatalysators für sichtbarem Licht zur in-situ- Synthese von Wasserstoffperoxid nach Anspruch 1, dadurch gekennzeichnet, dass es insbesondere die folgenden Schritte umfasst: Stritt 1: 4,4',4"-(1,3,5-Triazin-2,4,6-triyl) tribenzaldehyd und 4,4',4"-(1,3,5-Triazin-2,4,6- triyl) triphenylamin werden unter Raumtemperatur in einem ternären Lôsungsmittel bestehend aus Homotrimethylbenzol, 1,4-Dioxan und 3 M Essigsäure, bei Raumtemperatur aufgelôst; die gemischte Lôsung wird in einem Sonicator beschallt und mit Stickstoff belüftet, dann in einen Ofen gestellt, um durch Selbstnukleation einen blassgelben Niederschlag zu bilden, wonach die Reaktion auf natürliche Weise auf Raumtemperatur abgekühlt wird; Schritt 2. der Niederschlag im Reaktionskessel wurde mit Aceton und Tetrahydrofuran gewaschen und im Vakuumofen getrocknet, um ein kovalentes organisches Polymer zu erhalten; Schritt 3. das mit S2 gewonnene kovalente organische Polymer wird in Reinstwasser beschallt und mit Chlorwasserstoffsäure vermischt: Schritt 4: die wässrige Natriumborhydridlésung wurde langsam zu der in S3 beschriebenen Lôsung gegeben und 60 Minuten lang kräftig gerührt; danach wurde sie auf ein Olbad gelegt und kontinuierlich gerührt, bis die Reaktion abgeschlossen war, woraufhin sie natürlich auf Raumtemperatur abgekühlt, mit reinem Wasser und wasserfreiem Ethanol gewaschen und gefriergetrocknet wurde, um einen goldbeladenen kovalenten organischen Polymer- Photokatalysator fiir sichtbares Licht zu erhalten.
3. Verfahren zur Herstellung des Photokatalysators fiir sichtbarem Licht zur in-situ- Synthese von Wasserstoffperoxid nach Anspruch 1, dadurch gekennzeichnet, dass das Volumenverhältnis von Homotrimethylbenzol, 1,4-Dioxan und 3 M Essigsäure in dem ternären
Lôsungsmittel in S1 jeweils 5:5:1 beträgt und das Zugabevolumen des ternären Lôsungsmittets’ 503921 11 mL beträgt.
4. Verfahren zur Herstellung des Photokatalysators für sichtbarem Licht zur in-situ- Synthese von Wasserstoffperoxid nach Anspruch 1, dadurch gekennzeichnet, dass die Beschallungszeit der gemischten Lôsung in S1 10-20 min und die Zeit des Durchstrômens von Stickstoffgas 10-20 min beträgt.
5. Verfahren zur Herstellung des Photokatalysators für sichtbarem Licht zur in-situ- Synthese von Wasserstoffperoxid nach Anspruch 1, dadurch gekennzeichnet, dass die Reaktionstemperatur im Ofen in S1 110-130 °C und die Reaktionszeit 2-4 Tage beträgt.
6. Verfahren zur Herstellung des Photokatalysators für sichtbarem Licht zur in-situ- Synthese von Wasserstoffperoxid nach Anspruch 1, dadurch gekennzeichnet, dass die Trocknungstemperatur in S2 110-130 °C und die Trocknungszeit 8-12 Stunden beträgt.
7. Verfahren zur Herstellung des Photokatalysators für sichtbarem Licht zur in-situ- Synthese von Wasserstoffperoxid nach Anspruch 1, dadurch gekennzeichnet, dass die S4 ein Volumen von 15-25 pl wässriges Natriumborhydrid in einer Konzentration von 0,2-0,4 g mL” enthält.
8. Verfahren zur Herstellung des Photokatalysators für sichtbarem Licht zur in-situ- Synthese von Wasserstoffperoxid nach Anspruch 1, dadurch gekennzeichnet, dass das S4 in einem Ölbad bei einer Temperatur von 50-70 °C für eine Dauer von 2-4 Stunden gerührt wird.
9. Ein Verfahren zur Herstellung des Photokatalysators für sichtbarem Licht zur in-situ- Synthese von Wasserstoffperoxid nach einem der Ansprüche 1 bis 8.
10. Anwedung des Photokatalysators für sichtbarem Licht zur in-situ-Synthese von Wasserstoffperoxid, dadruch gekennzeichnet, dass Gold als Träger eines kovalenten organischen Polymers als Photokatalysator für die In-situ-Synthese von Wasserstoffperoxid unter Verwendung von sichtbarem Licht zur Reduktion von Sauerstoff verwendet wird, kombiniert mit fortgeschrittenen Oxidationstechniken für die Sterilisierung von Gewässern.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211647036.XA CN115888823A (zh) | 2022-12-21 | 2022-12-21 | 一种用于原位合成过氧化氢的可见光光催化剂及其制备方法与应用 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU503921B1 true LU503921B1 (en) | 2023-10-12 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU503921A LU503921B1 (en) | 2022-12-21 | 2023-04-12 | Visible light photocatalyst for in-situ synthesis of hydrogen peroxide and preparation method and application thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115888823A (de) |
| LU (1) | LU503921B1 (de) |
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