CN113952960A - 一种由合成气制低碳醇的Co-CeO2催化剂、制备方法及应用 - Google Patents
一种由合成气制低碳醇的Co-CeO2催化剂、制备方法及应用 Download PDFInfo
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- CN113952960A CN113952960A CN202111284662.2A CN202111284662A CN113952960A CN 113952960 A CN113952960 A CN 113952960A CN 202111284662 A CN202111284662 A CN 202111284662A CN 113952960 A CN113952960 A CN 113952960A
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- catalyst
- cerium oxide
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims description 40
- 239000003054 catalyst Substances 0.000 claims abstract description 123
- 238000006243 chemical reaction Methods 0.000 claims abstract description 95
- 229910000420 cerium oxide Inorganic materials 0.000 claims abstract description 73
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims abstract description 71
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 31
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 31
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 18
- 239000002105 nanoparticle Substances 0.000 claims abstract description 17
- 239000002077 nanosphere Substances 0.000 claims abstract description 17
- 239000000243 solution Substances 0.000 claims description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 44
- 239000008367 deionised water Substances 0.000 claims description 40
- 229910021641 deionized water Inorganic materials 0.000 claims description 40
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 27
- 238000001354 calcination Methods 0.000 claims description 26
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 claims description 24
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 claims description 24
- 229910001981 cobalt nitrate Inorganic materials 0.000 claims description 24
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 23
- 238000001035 drying Methods 0.000 claims description 23
- 239000002073 nanorod Substances 0.000 claims description 23
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- 238000000034 method Methods 0.000 claims description 18
- 239000000725 suspension Substances 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 16
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 14
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims description 14
- 239000002244 precipitate Substances 0.000 claims description 14
- 239000000047 product Substances 0.000 claims description 14
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 12
- 229960000583 acetic acid Drugs 0.000 claims description 11
- 230000032683 aging Effects 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 11
- 239000000969 carrier Substances 0.000 claims description 10
- 239000012362 glacial acetic acid Substances 0.000 claims description 10
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims description 8
- 239000002243 precursor Substances 0.000 claims description 8
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 7
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 claims description 6
- 239000005695 Ammonium acetate Substances 0.000 claims description 6
- 150000001298 alcohols Chemical class 0.000 claims description 6
- 229940043376 ammonium acetate Drugs 0.000 claims description 6
- 235000019257 ammonium acetate Nutrition 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 239000011259 mixed solution Substances 0.000 claims description 5
- 238000007865 diluting Methods 0.000 claims description 4
- 239000012153 distilled water Substances 0.000 claims description 4
- 230000001376 precipitating effect Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 19
- 239000002184 metal Substances 0.000 abstract description 19
- 238000009826 distribution Methods 0.000 abstract description 14
- 239000002245 particle Substances 0.000 abstract description 13
- 150000001768 cations Chemical class 0.000 abstract description 10
- 230000003197 catalytic effect Effects 0.000 abstract description 8
- 229910000510 noble metal Inorganic materials 0.000 abstract description 7
- 238000000926 separation method Methods 0.000 abstract description 5
- 238000000151 deposition Methods 0.000 abstract description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical class OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 35
- 239000007789 gas Substances 0.000 description 33
- 230000009467 reduction Effects 0.000 description 14
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 10
- 238000001556 precipitation Methods 0.000 description 9
- 239000010949 copper Substances 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 239000003085 diluting agent Substances 0.000 description 6
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 6
- 238000000465 moulding Methods 0.000 description 6
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 6
- 230000002194 synthesizing effect Effects 0.000 description 6
- 229910052783 alkali metal Inorganic materials 0.000 description 5
- 150000001340 alkali metals Chemical class 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000005470 impregnation Methods 0.000 description 5
- 238000001179 sorption measurement Methods 0.000 description 5
- 239000000654 additive Substances 0.000 description 3
- 239000012752 auxiliary agent Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- 229910003178 Mo2C Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052792 caesium Inorganic materials 0.000 description 2
- DRVWBEJJZZTIGJ-UHFFFAOYSA-N cerium(3+);oxygen(2-) Chemical class [O-2].[O-2].[O-2].[Ce+3].[Ce+3] DRVWBEJJZZTIGJ-UHFFFAOYSA-N 0.000 description 2
- 229910000428 cobalt oxide Inorganic materials 0.000 description 2
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000001198 high resolution scanning electron microscopy Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052707 ruthenium Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910017816 Cu—Co Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- -1 K metal Chemical class 0.000 description 1
- 229910016003 MoS3 Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000003917 TEM image Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000005882 aldol condensation reaction Methods 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000012018 catalyst precursor Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- QDOXWKRWXJOMAK-UHFFFAOYSA-N chromium(III) oxide Inorganic materials O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000002153 concerted effect Effects 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000635 electron micrograph Methods 0.000 description 1
- 238000000024 high-resolution transmission electron micrograph Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000013335 mesoporous material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 229910052961 molybdenite Inorganic materials 0.000 description 1
- 150000002751 molybdenum Chemical class 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
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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
- B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
-
- 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
- B01J35/20—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/51—Spheres
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/15—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively
- C07C29/151—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively with hydrogen or hydrogen-containing gases
- C07C29/153—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively with hydrogen or hydrogen-containing gases characterised by the catalyst used
- C07C29/156—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively with hydrogen or hydrogen-containing gases characterised by the catalyst used containing iron group metals, platinum group metals or compounds thereof
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Catalysts (AREA)
Abstract
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CN202111284662.2A CN113952960A (zh) | 2021-11-01 | 2021-11-01 | 一种由合成气制低碳醇的Co-CeO2催化剂、制备方法及应用 |
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CN202111284662.2A CN113952960A (zh) | 2021-11-01 | 2021-11-01 | 一种由合成气制低碳醇的Co-CeO2催化剂、制备方法及应用 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115501877A (zh) * | 2022-10-25 | 2022-12-23 | 华侨大学 | 一种用于催化臭氧选择性氧化水中氨氮的层状复合钴铈催化剂及其制备方法、应用 |
CN116603523A (zh) * | 2023-05-23 | 2023-08-18 | 中国科学院大连化学物理研究所 | 一种改性氧化铈载体负载的Pt基催化剂的制备及其应用 |
Citations (4)
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CN103127933A (zh) * | 2013-02-06 | 2013-06-05 | 中国科学院生态环境研究中心 | 一种纳米氧化铈载银催化剂、制备方法及其用途 |
US20130183221A1 (en) * | 2012-01-13 | 2013-07-18 | National Central University | Preparation of copper oxide-cerium oxide-supported nano-gold catalysts and its application in removal of carbon monoxide in hydrogen stream |
CN103449496A (zh) * | 2012-12-31 | 2013-12-18 | 深圳信息职业技术学院 | 一种纳米氧化铈及其制备方法 |
CN110354799A (zh) * | 2019-07-24 | 2019-10-22 | 济南大学 | 一种拥有良好低温NOx存储能力的二氧化铈纳米材料 |
-
2021
- 2021-11-01 CN CN202111284662.2A patent/CN113952960A/zh active Pending
Patent Citations (4)
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US20130183221A1 (en) * | 2012-01-13 | 2013-07-18 | National Central University | Preparation of copper oxide-cerium oxide-supported nano-gold catalysts and its application in removal of carbon monoxide in hydrogen stream |
CN103449496A (zh) * | 2012-12-31 | 2013-12-18 | 深圳信息职业技术学院 | 一种纳米氧化铈及其制备方法 |
CN103127933A (zh) * | 2013-02-06 | 2013-06-05 | 中国科学院生态环境研究中心 | 一种纳米氧化铈载银催化剂、制备方法及其用途 |
CN110354799A (zh) * | 2019-07-24 | 2019-10-22 | 济南大学 | 一种拥有良好低温NOx存储能力的二氧化铈纳米材料 |
Non-Patent Citations (3)
Title |
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刘建周等: "《工业催化过程》", 30 June 2018, 中国矿业大学出版社 * |
孙潇潇等: "水热法制备立方体二氧化铈及其CO催化氧化性能研究", 《化工设计通讯》 * |
苏俊杰: "钴基催化剂用于合成气直接制备低碳醇的构-效关系研究", 《中国优秀博硕士学位论文全文数据库(博士)工程科技Ⅰ辑》 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115501877A (zh) * | 2022-10-25 | 2022-12-23 | 华侨大学 | 一种用于催化臭氧选择性氧化水中氨氮的层状复合钴铈催化剂及其制备方法、应用 |
CN115501877B (zh) * | 2022-10-25 | 2024-04-16 | 华侨大学 | 一种用于催化臭氧选择性氧化水中氨氮的层状复合钴铈催化剂及其制备方法、应用 |
CN116603523A (zh) * | 2023-05-23 | 2023-08-18 | 中国科学院大连化学物理研究所 | 一种改性氧化铈载体负载的Pt基催化剂的制备及其应用 |
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