JP2017124390A - 触媒支持体表面に金属酸化物コーティング層を形成する方法と金属酸化物コーティング層を含む触媒支持体及び触媒装置 - Google Patents
触媒支持体表面に金属酸化物コーティング層を形成する方法と金属酸化物コーティング層を含む触媒支持体及び触媒装置 Download PDFInfo
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- 239000003054 catalyst Substances 0.000 title claims abstract description 152
- 239000011247 coating layer Substances 0.000 title claims abstract description 91
- 229910044991 metal oxide Inorganic materials 0.000 title claims abstract description 90
- 150000004706 metal oxides Chemical class 0.000 title claims abstract description 90
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000001556 precipitation Methods 0.000 claims abstract description 23
- 229910052751 metal Inorganic materials 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 22
- 239000011259 mixed solution Substances 0.000 claims abstract description 20
- 239000002244 precipitate Substances 0.000 claims abstract description 20
- 239000012702 metal oxide precursor Substances 0.000 claims abstract description 16
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 47
- 229910045601 alloy Inorganic materials 0.000 claims description 25
- 239000000956 alloy Substances 0.000 claims description 25
- 238000010438 heat treatment Methods 0.000 claims description 23
- 239000011888 foil Substances 0.000 claims description 21
- 229910000604 Ferrochrome Inorganic materials 0.000 claims description 20
- 239000002245 particle Substances 0.000 claims description 20
- 238000004381 surface treatment Methods 0.000 claims description 19
- 230000001590 oxidative effect Effects 0.000 claims description 13
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 6
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 6
- 239000004202 carbamide Substances 0.000 claims description 6
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 claims description 5
- 229910021529 ammonia Inorganic materials 0.000 claims description 5
- 229910001680 bayerite Inorganic materials 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 4
- 230000001376 precipitating effect Effects 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- HDYRYUINDGQKMC-UHFFFAOYSA-M acetyloxyaluminum;dihydrate Chemical compound O.O.CC(=O)O[Al] HDYRYUINDGQKMC-UHFFFAOYSA-M 0.000 claims description 3
- 229940009827 aluminum acetate Drugs 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910003465 moissanite Inorganic materials 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 abstract description 35
- 239000000243 solution Substances 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 4
- 239000011248 coating agent Substances 0.000 description 13
- 238000000576 coating method Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000002243 precursor Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000012153 distilled water Substances 0.000 description 3
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- 239000007788 liquid Substances 0.000 description 3
- 239000011164 primary particle Substances 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- -1 bohemite Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000005300 metallic glass Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
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Abstract
【解決手段】金属酸化物前駆体及び沈殿剤を含む混合溶液と触媒支持体10を接触させて触媒支持体10表面に金属を含有する沈殿物を形成する沈殿段階及び触媒支持体10上に形成された金属を含有する沈殿物を塑性して触媒支持体10表面に金属酸化物コーティング層20を形成する塑性段階を含む触媒支持体10表面に金属酸化物コーティング層20を形成する方法。
【選択図】図1
Description
(実施例1)塑性温度の影響
(実施例2)沈殿剤の影響
(比較例1)電気化学的表面処理及び熱処理後アルミナゾルウォッシュコーティング
(比較例2)熱処理後アルミナゾルウォッシュコーティング
20 : 金属酸化物
30 : 触媒
40 : 担体コーティング層
Claims (17)
- 金属酸化物前駆体及び沈殿剤を含む混合溶液と触媒支持体を接触させて触媒支持体表面に金属を含有する沈殿物を形成する沈殿段階;及び
前記触媒支持体上に形成された金属を含有する沈殿物を塑性して前記触媒支持体表面に金属酸化物コーティング層を形成する塑性段階;を含む触媒支持体表面に金属酸化物コーティング層を形成する方法。 - 前記金属酸化物コーティング層はアルミナコーティング層であり、前記金属はアルミニウムである請求項1に記載の触媒支持体表面に金属酸化物コーティング層を形成する方法。
- 前記金属を含有する沈殿物はボヘマイト(AlO(OH))又はバイヤライト(Al(OH)3)である請求項1に記載の触媒支持体表面に金属酸化物コーティング層を形成する方法。
- 前記金属酸化物コーティング層は、複数の丸い形態の粒子が密集した構造又は複数の針状形態の粒子が密集した構造で形成される請求項1に記載の触媒支持体表面に金属酸化物コーティング層を形成する方法。
- 前記金属酸化物前駆体は、アルミニウムナイトレート(Al(NO3)3・9H2O)、アルミニウムクロライド(AlCl3・6H2O)又はアルミニウムアセテート(C2H5AlO4)のうち、いずれか1つを含む請求項1に記載の触媒支持体表面に金属酸化物コーティング層を形成する方法。
- 前記沈殿剤は、アンモニア(NH3)又はウレア(CO(NH2)2)のうち、いずれか1つ以上を含む請求項1に記載の触媒支持体表面に金属酸化物コーティング層を形成する方法。
- 前記混合溶液で、前記金属酸化物前駆体の濃度が50〜2000mMである請求項1に記載の触媒支持体表面に金属酸化物コーティング層を形成する方法。
- 前記混合溶液のpHが3〜12である請求項1に記載の触媒支持体表面に金属酸化物コーティング層を形成する方法。
- 前記沈殿段階は、25〜200℃の温度範囲で0.5〜100時間の間実施する請求項1に記載の触媒支持体表面に金属酸化物コーティング層を形成する方法。
- 前記沈殿段階は、60〜90℃の温度範囲で5〜70時間の間実施する請求項9に記載の触媒支持体表面に金属酸化物コーティング層を形成する方法。
- 前記塑性段階は、500〜1200℃の温度範囲及び酸化雰囲気で実施する請求項1に記載の触媒支持体表面に金属酸化物コーティング層を形成する方法。
- 前記塑性段階は、700〜900℃の温度範囲及び酸化雰囲気で実施する請求項11に記載の触媒支持体表面に金属酸化物コーティング層を形成する方法。
- 前記沈殿段階以前に、
前記触媒支持体に対する電気化学的表面処理段階又は熱処理段階のうち、いずれか1つ以上の段階を実施する請求項1に記載の触媒支持体表面に金属酸化物コーティング層を形成する方法。 - 前記触媒支持体は、ステンレススチール、FeCr合金、アルミニウム、チタン、SiCのうちで選択されたいずれか1つの材料又は2つ以上の合金で形成された請求項1に記載の触媒支持体表面に金属酸化物コーティング層を形成する方法。
- 前記触媒支持体は、フェルト、マット、メッシュ、フォーム、ホイル、モノリス又はピン形態である請求項1に記載の触媒支持体表面に金属酸化物コーティング層を形成する方法。
- 請求項1〜15のいずれか1つの方法で形成された金属酸化物コーティング層を含む触媒支持体。
- 請求項16の触媒支持体の金属酸化物コーティング層に触媒が担持されて形成された触媒装置。
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US10227482B2 (en) | 2012-12-20 | 2019-03-12 | Byk Usa Inc. | Flame retardant polymer compositions |
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CN107203014A (zh) * | 2017-06-01 | 2017-09-26 | 武汉华星光电技术有限公司 | 一种蛾眼微结构的制备方法、抗反射基板及电子产品 |
KR102141105B1 (ko) * | 2018-11-05 | 2020-08-05 | 한국에너지기술연구원 | 촉매 담지량 및 열충격시 박리 내구성이 향상된 촉매 담지용 금속 또는 세라믹 지지체의 제조 방법 |
KR102272455B1 (ko) * | 2019-08-14 | 2021-07-02 | 전남대학교산학협력단 | FeCrAl 합금을 이용한 촉매 및 그 제조방법 |
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US10227482B2 (en) | 2012-12-20 | 2019-03-12 | Byk Usa Inc. | Flame retardant polymer compositions |
KR101899545B1 (ko) | 2017-08-11 | 2018-09-17 | 고등기술연구원연구조합 | 구조체 촉매 제조 장치 |
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JP6416149B2 (ja) | 2018-10-31 |
US10471419B2 (en) | 2019-11-12 |
US20170197202A1 (en) | 2017-07-13 |
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