KR100963080B1 - 이산화황 산화반응 저감용 오산화이바나듐계 은 코팅 촉매 - Google Patents
이산화황 산화반응 저감용 오산화이바나듐계 은 코팅 촉매 Download PDFInfo
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- KR100963080B1 KR100963080B1 KR1020080079466A KR20080079466A KR100963080B1 KR 100963080 B1 KR100963080 B1 KR 100963080B1 KR 1020080079466 A KR1020080079466 A KR 1020080079466A KR 20080079466 A KR20080079466 A KR 20080079466A KR 100963080 B1 KR100963080 B1 KR 100963080B1
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- catalyst
- vanadium pentoxide
- sulfur dioxide
- silver
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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
- B01J37/0215—Coating
- B01J37/0217—Pretreatment of the substrate before coating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
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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
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/20—Vanadium, niobium or tantalum
- B01J23/22—Vanadium
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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
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/48—Silver or gold
- B01J23/50—Silver
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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
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/648—Vanadium, niobium or tantalum or polonium
- B01J23/6482—Vanadium
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- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Description
실시예 | 촉매 | 이산화티타늄 | 오산화이바나듐 | 은 |
1 | SCR_Ag000 | 50.5 | 2.0 | 0.0 |
2 | SCR_Ag005 | 50.0 | 2.0 | 0.5 |
3 | SCR_Ag010 | 49.5 | 2.0 | 1.0 |
4 | SCR_Ag015 | 49.0 | 2.0 | 1.5 |
5 | SCR_Ag020 | 48.5 | 2.0 | 2.0 |
6 | 상용 SCR |
시험예 |
촉매 |
질소산화물 제거율(%) | |||
0hr | 2,500hr | 5,000hr | 10,000hr | ||
1 | SCR_Ag000 | 91.0 | 90.0 | 90.0 | 89.0 |
2 | SCR_Ag005 | 92.0 | 92.0 | 91.0 | 91.0 |
3 | SCR_Ag010 | 94.0 | 93.0 | 92.5 | 92.5 |
4 | SCR_Ag015 | 94.5 | 94.0 | 94.0 | 92.5 |
5 | SCR_Ag020 | 92.0 | 91.0 | 91.0 | 90.0 |
6 | 상용 SCR | 90.0 | 90.0 | 88.0 | 88.0 |
시험예 |
촉매 |
SO2 산화율(%) | |||
0hr | 2,500hr | 5,000hr | 10,000hr | ||
7 | SCR_Ag000 | 0.8 | 0.8 | 0.85 | 0.85 |
8 | SCR_Ag005 | 0.42 | 0.42 | 0.44 | 0.44 |
9 | SCR_Ag010 | 0.20 | 0.25 | 0.25 | 0.25 |
10 | SCR_Ag015 | 0.15 | 0.15 | 0.15 | 0.15 |
11 | SCR_Ag020 | 0.20 | 0.25 | 0.25 | 0.25 |
12 | 상용 SCR | 0.82 | 0.82 | 0.90 | 0.90 |
Claims (4)
- 질소산화물 제거용 오산화이바나듐계 촉매에 있어서, 담체에 오산화이바나듐을 담지하며, 상기 담체에 오산화이바나듐을 담지하여 얻어지는 촉매 표면에 은(Ag)을 워시코팅하여 구성되는 것을 특징으로 하는 이산화황 산화반응 저감용 오산화이바나듐계 은 코팅 촉매.
- 청구항 1에 있어서,상기 오산화이바나듐을 담지하는 담체는 이산화티타늄, 산화알루미늄, 또는 이산화규소인 것을 특징으로 하는 이산화황 산화반응 저감용 오산화이바나듐계 은 코팅 촉매.
- 청구항 1에 있어서,상기 오산화이바나듐 촉매에 포함되는 상기 오산화이바나듐의 함량은 촉매 제조 원료의 총 합산중량 대비 0.5 내지 2.5 중량%인 것을 특징으로 하는 이산화황 산화반응 저감용 오산화이바나듐계 은 코팅 촉매.
- 청구항 1에 있어서,상기 오산화이바나듐 촉매표면에 워시코팅하는 은(Ag) 함량은 촉매 제조 원료의 총 합산중량 대비 0.5 내지 2.0 중량%인 것을 특징으로 하는 이산화황 산화반응 저감용 오산화이바나듐계 은 코팅 촉매.
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KR1020080079466A KR100963080B1 (ko) | 2008-08-13 | 2008-08-13 | 이산화황 산화반응 저감용 오산화이바나듐계 은 코팅 촉매 |
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KR1020080079466A KR100963080B1 (ko) | 2008-08-13 | 2008-08-13 | 이산화황 산화반응 저감용 오산화이바나듐계 은 코팅 촉매 |
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KR20100020735A KR20100020735A (ko) | 2010-02-23 |
KR100963080B1 true KR100963080B1 (ko) | 2010-06-09 |
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JP2005125236A (ja) * | 2003-10-23 | 2005-05-19 | Kocat Inc | ダイオキシンを含む芳香族ハロゲン化合物、一酸化炭素及び窒素酸化物を除去する触媒及びその用途 |
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JP2005125236A (ja) * | 2003-10-23 | 2005-05-19 | Kocat Inc | ダイオキシンを含む芳香族ハロゲン化合物、一酸化炭素及び窒素酸化物を除去する触媒及びその用途 |
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