KR20080008815A - 백금 전구체를 주형제로 이용한 메조기공을 갖는 백금 담지 티타니아-실리카의 제조방법 - Google Patents
백금 전구체를 주형제로 이용한 메조기공을 갖는 백금 담지 티타니아-실리카의 제조방법 Download PDFInfo
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- KR20080008815A KR20080008815A KR1020060068561A KR20060068561A KR20080008815A KR 20080008815 A KR20080008815 A KR 20080008815A KR 1020060068561 A KR1020060068561 A KR 1020060068561A KR 20060068561 A KR20060068561 A KR 20060068561A KR 20080008815 A KR20080008815 A KR 20080008815A
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- Prior art keywords
- silica
- platinum
- titania
- precursor
- mesopores
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- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 title claims abstract description 102
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 239000002243 precursor Substances 0.000 title claims abstract description 68
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 229910052697 platinum Inorganic materials 0.000 title claims abstract description 55
- 239000000377 silicon dioxide Substances 0.000 title claims abstract description 40
- 230000015572 biosynthetic process Effects 0.000 title description 2
- 238000003786 synthesis reaction Methods 0.000 title 1
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000012798 spherical particle Substances 0.000 claims abstract description 11
- 239000010936 titanium Substances 0.000 claims abstract description 6
- 239000002253 acid Substances 0.000 claims abstract description 5
- 125000000524 functional group Chemical group 0.000 claims abstract description 5
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 4
- -1 titanium alkoxide Chemical class 0.000 claims abstract description 4
- 125000005843 halogen group Chemical group 0.000 claims abstract description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 25
- 239000001257 hydrogen Substances 0.000 claims description 25
- 239000011148 porous material Substances 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- NOWPEMKUZKNSGG-UHFFFAOYSA-N azane;platinum(2+) Chemical compound N.N.N.N.[Pt+2] NOWPEMKUZKNSGG-UHFFFAOYSA-N 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 8
- 239000003054 catalyst Substances 0.000 claims description 7
- 230000002378 acidificating effect Effects 0.000 claims description 6
- 239000008119 colloidal silica Substances 0.000 claims description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- 238000001354 calcination Methods 0.000 claims description 5
- 125000005647 linker group Chemical group 0.000 claims description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 4
- 238000010304 firing Methods 0.000 claims description 4
- 229910002651 NO3 Inorganic materials 0.000 claims description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical group O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- 239000001569 carbon dioxide Substances 0.000 claims description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 13
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 abstract description 8
- NHNBFGGVMKEFGY-UHFFFAOYSA-N nitrate group Chemical group [N+](=O)([O-])[O-] NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 abstract description 2
- 239000000084 colloidal system Substances 0.000 abstract 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000013335 mesoporous material Substances 0.000 description 5
- 150000002431 hydrogen Chemical class 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910000510 noble metal Inorganic materials 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000007809 chemical reaction catalyst Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002077 nanosphere Substances 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 description 1
- 230000007704 transition Effects 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/08—Silica
-
- 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
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/42—Platinum
-
- 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
-
- 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
- C01B3/06—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
- C01B3/12—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents by reaction of water vapour with carbon monoxide
- C01B3/16—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents by reaction of water vapour with carbon monoxide using catalysts
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
Abstract
Description
Claims (11)
- 수소결합성기를 갖는 백금전구체와, 실리카 구형입자가 분산된 콜로이드 실리카졸을 혼합하여 메조기공을 갖는 실리카-백금전구체를 형성하는 단계와,상기 메조기공을 갖는 실리카-백금전구체와, 티타니아 전구체를 산 조건하에서 반응 및 소성하여 백금이 담지된 티타니아-실리카 입자를 제조하는 단계를 포함하여 이루어진 것을 특징으로 하는 메조기공을 갖는 백금 담지 티타니아-실리카 입자의 제조방법.
- 제 1 항에 있어서, 상기 수소결합성기를 갖는 백금전구체는 할로겐원자, 수산기(OH) 및 질산기(NO3) 중에서 선택된 수소결합성 관능기를 갖는 것을 특징으로 하는 제조방법.
- 제 1 항에 있어서, 상기 수소결합성기를 갖는 백금전구체는 테트라아민플래티늄(Ⅱ) 하이드록사이드, 테트라아민플래티늄(Ⅱ) 클로라이드 및 테트라아민플래티늄(Ⅱ) 나이트레이트 중에서 선택된 것을 특징으로 하는 제조방법.
- 제 1 항에 있어서, 상기 백금전구체는 Pt/Si의 몰비가 0.001 ∼ 0.15 범위를 유지하는 농도로 사용하는 것을 특징으로 하는 제조방법.
- 제 1 항에 있어서, 상기 실리카 구형입자 5 ∼ 50 ㎚인 것을 특징으로 하는 제조방법.
- 제 1 항에 있어서, 상기 티타니아는 전구체는 티타늄 알콕사이드인 것을 특징으로 하는 제조방법.
- 제 1 항에 있어서, 상기 티타니아 전구체는 Ti/Si의 몰비가 0.01 ∼ 1.5 범위를 유지하는 농도로 사용하는 것을 특징으로 하는 제조방법.
- 제 1 항에 있어서, 상기 산 조건은 pH 0.1 ∼ 1.5 유지하는 것을 특징으로 하는 제조방법.
- 제 1 항에 있어서, 상기 소성은 300 ∼ 1300 ℃에서 수행되는 것을 특징으로 하는 제조방법.
- 제 1 항에 있어서, 상기 백금 담지 티타니아-실리카 입자는 기공크기가 4 ∼ 10 ㎚ 범위인 것을 특징으로 하는 제조방법.
- 청구항 1 내지 10 중에서 선택된 어느 하나의 제조방법으로 제조된 메조기공을 갖는 백금 담지 티타니아-실리카 입자의 촉매하에서 수행되는 것을 특징으로 하는 일산화탄소와 수증기로부터 이산화탄소와 수소를 생산하는 수성가스 전환반응.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7915934B2 (en) | 2008-12-26 | 2011-03-29 | Hynix Semiconductor Inc. | Delay locked loop circuit and operational method thereof |
KR101218286B1 (ko) * | 2011-04-22 | 2013-01-03 | 한양대학교 에리카산학협력단 | 마크로-메조 기공을 갖는 금속촉매/지지체 복합체 및 이를 이용한 수소가스 센서 및 그 제조 방법 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100353242B1 (ko) * | 2000-02-28 | 2002-09-18 | 극동화학 주식회사 | 실리카겔을 지지체로 하는 신규한 형태의 광촉매 및 그제조방법 |
JP4411740B2 (ja) | 2000-04-21 | 2010-02-10 | 三菱瓦斯化学株式会社 | 担持触媒及びその製造方法 |
KR100475687B1 (ko) * | 2002-10-26 | 2005-03-10 | 한국과학기술원 | 티타니아계 촉매의 제조방법 |
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- 2006-07-21 KR KR1020060068561A patent/KR100804199B1/ko active IP Right Grant
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7915934B2 (en) | 2008-12-26 | 2011-03-29 | Hynix Semiconductor Inc. | Delay locked loop circuit and operational method thereof |
KR101218286B1 (ko) * | 2011-04-22 | 2013-01-03 | 한양대학교 에리카산학협력단 | 마크로-메조 기공을 갖는 금속촉매/지지체 복합체 및 이를 이용한 수소가스 센서 및 그 제조 방법 |
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