CN114768812A - 一种非均相芬顿催化剂LaFeO3/3DOMCeO2及其制备方法和应用 - Google Patents
一种非均相芬顿催化剂LaFeO3/3DOMCeO2及其制备方法和应用 Download PDFInfo
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- CN114768812A CN114768812A CN202210420361.6A CN202210420361A CN114768812A CN 114768812 A CN114768812 A CN 114768812A CN 202210420361 A CN202210420361 A CN 202210420361A CN 114768812 A CN114768812 A CN 114768812A
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- lafeo
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- 239000003054 catalyst Substances 0.000 title claims abstract description 70
- 229910002321 LaFeO3 Inorganic materials 0.000 title claims abstract description 50
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 36
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims abstract description 21
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims abstract description 18
- 239000004926 polymethyl methacrylate Substances 0.000 claims abstract description 18
- 239000004005 microsphere Substances 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 15
- 238000003756 stirring Methods 0.000 claims abstract description 15
- 239000002243 precursor Substances 0.000 claims abstract description 14
- 229910052684 Cerium Inorganic materials 0.000 claims abstract description 12
- 239000012018 catalyst precursor Substances 0.000 claims abstract description 12
- 239000008139 complexing agent Substances 0.000 claims abstract description 11
- 150000002603 lanthanum Chemical class 0.000 claims abstract description 11
- 150000002505 iron Chemical class 0.000 claims abstract description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000001704 evaporation Methods 0.000 claims abstract description 9
- 239000012065 filter cake Substances 0.000 claims abstract description 8
- 239000000126 substance Substances 0.000 claims abstract description 8
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000032683 aging Effects 0.000 claims abstract description 4
- 238000000967 suction filtration Methods 0.000 claims abstract description 4
- 239000007864 aqueous solution Substances 0.000 claims abstract description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000012046 mixed solvent Substances 0.000 claims abstract description 3
- 239000001301 oxygen Substances 0.000 claims abstract description 3
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 3
- 229910017771 LaFeO Inorganic materials 0.000 claims description 37
- 239000002351 wastewater Substances 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 28
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid group Chemical group C(CC(O)(C(=O)O)CC(=O)O)(=O)O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 21
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 125000001477 organic nitrogen group Chemical group 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 7
- 230000035484 reaction time Effects 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 7
- 230000000593 degrading effect Effects 0.000 claims description 6
- HKVFISRIUUGTIB-UHFFFAOYSA-O azanium;cerium;nitrate Chemical group [NH4+].[Ce].[O-][N+]([O-])=O HKVFISRIUUGTIB-UHFFFAOYSA-O 0.000 claims description 5
- 150000002500 ions Chemical class 0.000 claims description 5
- 238000009210 therapy by ultrasound Methods 0.000 claims description 5
- GJKFIJKSBFYMQK-UHFFFAOYSA-N lanthanum(3+);trinitrate;hexahydrate Chemical group O.O.O.O.O.O.[La+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O GJKFIJKSBFYMQK-UHFFFAOYSA-N 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- 150000007524 organic acids Chemical class 0.000 claims description 3
- 238000001354 calcination Methods 0.000 claims description 2
- 230000008020 evaporation Effects 0.000 claims description 2
- SZQUEWJRBJDHSM-UHFFFAOYSA-N iron(3+);trinitrate;nonahydrate Chemical group O.O.O.O.O.O.O.O.O.[Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O SZQUEWJRBJDHSM-UHFFFAOYSA-N 0.000 claims description 2
- 238000002386 leaching Methods 0.000 abstract description 6
- 230000006978 adaptation Effects 0.000 abstract description 3
- 230000003197 catalytic effect Effects 0.000 description 18
- 230000000052 comparative effect Effects 0.000 description 18
- 229910052742 iron Inorganic materials 0.000 description 12
- CXKWCBBOMKCUKX-UHFFFAOYSA-M methylene blue Chemical compound [Cl-].C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 CXKWCBBOMKCUKX-UHFFFAOYSA-M 0.000 description 10
- 229960000907 methylthioninium chloride Drugs 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000011148 porous material Substances 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 5
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 4
- 239000012876 carrier material Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000008367 deionised water Substances 0.000 description 4
- 229910021641 deionized water Inorganic materials 0.000 description 4
- 229910052746 lanthanum Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000001878 scanning electron micrograph Methods 0.000 description 4
- 229910002651 NO3 Inorganic materials 0.000 description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 229910052603 melanterite Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 3
- -1 papermaking Substances 0.000 description 3
- 239000002957 persistent organic pollutant Substances 0.000 description 3
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- 238000003980 solgel method Methods 0.000 description 3
- 230000002195 synergetic effect Effects 0.000 description 3
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- 229910017135 Fe—O Inorganic materials 0.000 description 2
- 238000000026 X-ray photoelectron spectrum Methods 0.000 description 2
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- 229960000583 acetic acid Drugs 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 229940044927 ceric oxide Drugs 0.000 description 2
- 229910000420 cerium oxide Inorganic materials 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000012362 glacial acetic acid Substances 0.000 description 2
- 239000002815 homogeneous catalyst Substances 0.000 description 2
- 238000002354 inductively-coupled plasma atomic emission spectroscopy Methods 0.000 description 2
- QZRHHEURPZONJU-UHFFFAOYSA-N iron(2+) dinitrate nonahydrate Chemical compound O.O.O.O.O.O.O.O.O.[Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O QZRHHEURPZONJU-UHFFFAOYSA-N 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
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- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 1
- 238000001157 Fourier transform infrared spectrum Methods 0.000 description 1
- 239000012445 acidic reagent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000002306 biochemical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001768 cations Chemical group 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000009920 chelation Effects 0.000 description 1
- 238000004042 decolorization Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 150000002391 heterocyclic compounds Chemical class 0.000 description 1
- 238000007210 heterogeneous catalysis Methods 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
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- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- 231100000331 toxic Toxicity 0.000 description 1
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- 238000002604 ultrasonography Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Images
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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
- B01J23/70—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
- B01J23/83—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 rare earths or actinides
-
- 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
-
- 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
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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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0201—Impregnation
- B01J37/0209—Impregnation involving a reaction between the support and a fluid
-
- 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
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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
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
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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
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
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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
- C02F2101/38—Organic compounds containing nitrogen
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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
- C02F2305/02—Specific form of oxidant
- C02F2305/026—Fenton's reagent
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- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Catalysts (AREA)
Abstract
Description
样品 | 比表面积/m<sup>2</sup>/g |
LaFeO<sub>3</sub> | 5.365 |
3DOMCeO<sub>2</sub> | 72.51 |
LaFeO<sub>3</sub>/3DOMCeO<sub>2</sub> | 60.23 |
反应时间/min | Fe<sup>2+</sup>/Fe<sup>3+</sup> | Ce<sup>3+</sup>/Ce<sup>4+</sup> |
0 | 1.719 | 0.1363 |
60 | 0.5262 | 0.2346 |
120 | 1.325 | 0.1627 |
废水初始pH | 3 | 7 |
Fe浸出浓度/mg/L | 0.1404 | 0.0522 |
Claims (10)
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CN202210420361.6A CN114768812B (zh) | 2022-04-20 | 2022-04-20 | 一种非均相芬顿催化剂LaFeO3/3DOMCeO2及其制备方法和应用 |
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CN202210420361.6A CN114768812B (zh) | 2022-04-20 | 2022-04-20 | 一种非均相芬顿催化剂LaFeO3/3DOMCeO2及其制备方法和应用 |
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CN114768812A true CN114768812A (zh) | 2022-07-22 |
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CN101979327A (zh) * | 2010-09-21 | 2011-02-23 | 北京工业大学 | 一种钙钛矿型氧化物LaMnO3空心球的制备方法 |
CN101992089A (zh) * | 2010-10-29 | 2011-03-30 | 中国石油大学(北京) | 三维有序大孔-介孔铁基钙钛矿氧化物催化剂及其制备方法 |
CN102923811A (zh) * | 2012-11-12 | 2013-02-13 | 青岛科技大学 | 一种微波协同钙钛矿催化降解高浓度有机废水的方法 |
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CN106179369A (zh) * | 2016-07-25 | 2016-12-07 | 牛和林 | 具可见光芬顿活性LaFeO3/C碳基钙钛矿半导体复合纳米材料及其制备方法和应用 |
CN106492813A (zh) * | 2016-09-21 | 2017-03-15 | 昆明理工大学 | 一种负载型三维有序大孔LaFeO3/CeO2催化剂的制备方法 |
CN110590175A (zh) * | 2019-09-27 | 2019-12-20 | 上海应用技术大学 | 一种反蛋白石结构氧化铈及其制备方法与应用 |
-
2022
- 2022-04-20 CN CN202210420361.6A patent/CN114768812B/zh active Active
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CN101979327A (zh) * | 2010-09-21 | 2011-02-23 | 北京工业大学 | 一种钙钛矿型氧化物LaMnO3空心球的制备方法 |
CN101992089A (zh) * | 2010-10-29 | 2011-03-30 | 中国石油大学(北京) | 三维有序大孔-介孔铁基钙钛矿氧化物催化剂及其制备方法 |
CN102923811A (zh) * | 2012-11-12 | 2013-02-13 | 青岛科技大学 | 一种微波协同钙钛矿催化降解高浓度有机废水的方法 |
CN105688918A (zh) * | 2016-01-18 | 2016-06-22 | 常州大学 | 一种粘土-钙钛矿复合材料的制备方法及其应用 |
CN106179369A (zh) * | 2016-07-25 | 2016-12-07 | 牛和林 | 具可见光芬顿活性LaFeO3/C碳基钙钛矿半导体复合纳米材料及其制备方法和应用 |
CN106492813A (zh) * | 2016-09-21 | 2017-03-15 | 昆明理工大学 | 一种负载型三维有序大孔LaFeO3/CeO2催化剂的制备方法 |
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