KR100523287B1 - 질소산화물 제거용 Cu/제올라이트 촉매 및 이의 제조방법 - Google Patents
질소산화물 제거용 Cu/제올라이트 촉매 및 이의 제조방법 Download PDFInfo
- Publication number
- KR100523287B1 KR100523287B1 KR10-2003-0012400A KR20030012400A KR100523287B1 KR 100523287 B1 KR100523287 B1 KR 100523287B1 KR 20030012400 A KR20030012400 A KR 20030012400A KR 100523287 B1 KR100523287 B1 KR 100523287B1
- Authority
- KR
- South Korea
- Prior art keywords
- catalyst
- zeolite
- copper
- nitrogen oxides
- nitrogen oxide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
- F21S9/022—Emergency lighting devices
- F21S9/024—Emergency lighting devices using a supplementary light source for emergency lighting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
- F21S8/046—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures having multiple lighting devices, e.g. connected to a common ceiling base
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/0064—Health, life-saving or fire-fighting equipment
- F21V33/0076—Safety or security signalisation, e.g. smoke or burglar alarms, earthquake detectors; Self-defence devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2113/00—Combination of light sources
- F21Y2113/20—Combination of light sources of different form
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Security & Cryptography (AREA)
- Environmental & Geological Engineering (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Description
Claims (9)
- Si/Al의 몰비가 14 내지 95인 제올라이트를 2가 구리이온 함유 수용액과 혼합하여 4 ℃ 내지 상온에서 이온교환 반응을 실시한 후 건조 및 공기 중에서 소성하는 것을 포함하는, 질소산화물 제거용 Cu/제올라이트 촉매의 제조방법.
- 제 1 항에 있어서,2가 구리이온 함유 수용액이 황산구리, 질산구리, 초산구리 및 염화구리 수용액으로 이루어진 군으로부터 선택되는 것을 특징으로 하는 방법.
- 제 1 항에 있어서,2가 구리이온 함유 수용액의 농도가 0.0001 내지 10.0 M 범위인 것을 특징으로 하는 방법.
- 제 1 항에 있어서,이온교환 반응을 6 내지 48시간 동안 수행하는 것을 특징으로 하는 방법.
- 제 1 항에 있어서,300 내지 700 ℃의 온도에서 소성하는 것을 특징으로 하는 방법.
- Si/Al의 몰비가 14 내지 95인 제올라이트 상에 촉매의 총 중량에 대하여 0.1 내지 10 중량%의 2가 구리가 담지된, 제 1 항 내지 제 5 항중 어느 한 항에 따라 제조된 질소산화물 제거용 Cu/제올라이트 촉매.
- 질소산화물을 함유하는 배기가스를 암모니아 및 요소 중에서 선택된 환원제와 혼합한 후, 이를 제 6 항에 따른 Cu/제올라이트 촉매 상으로 통과시켜 질소산화물을 환원시키는 것을 포함하는, 배기가스 내의 질소산화물 제거 방법.
- 삭제
- 제 7 항에 있어서,환원반응을 150 내지 500 ℃ 범위의 온도에서 100 내지 400,000 hr-1의 공간속도로 수행하는 것을 특징으로 하는 방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0012400A KR100523287B1 (ko) | 2003-02-27 | 2003-02-27 | 질소산화물 제거용 Cu/제올라이트 촉매 및 이의 제조방법 |
US10/723,306 US7049261B2 (en) | 2003-02-27 | 2003-11-26 | Zeolite catalyst and preparation process for NOx reduction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0012400A KR100523287B1 (ko) | 2003-02-27 | 2003-02-27 | 질소산화물 제거용 Cu/제올라이트 촉매 및 이의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040077024A KR20040077024A (ko) | 2004-09-04 |
KR100523287B1 true KR100523287B1 (ko) | 2005-10-25 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2003-0012400A Expired - Lifetime KR100523287B1 (ko) | 2003-02-27 | 2003-02-27 | 질소산화물 제거용 Cu/제올라이트 촉매 및 이의 제조방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100523287B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2025143873A1 (ko) * | 2023-12-29 | 2025-07-03 | 주식회사 엔바이온 | 탄화수소 및 암모니아를 환원제로서 단독 및 병용 사용 가능한 탈질 촉매, 탈질 촉매의 제조 방법 및 이를 포함하는 선택적 촉매 환원 장치 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20230155810A (ko) * | 2022-05-04 | 2023-11-13 | 에스케이가스 주식회사 | 고정 배출원의 배가스 내 질소산화물 및 탄화수소를 저감하는 방법 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60125250A (ja) * | 1983-12-08 | 1985-07-04 | Shiyuuichi Kagawa | 窒素酸化物の接触分解触媒及びその使用方法 |
JPS63182035A (ja) * | 1987-01-22 | 1988-07-27 | Babcock Hitachi Kk | 窒素酸化物除去用触媒 |
JPH03293041A (ja) * | 1990-04-12 | 1991-12-24 | Tosoh Corp | 窒素酸化物接触分解触媒及び接触分解方法 |
KR920011580A (ko) * | 1990-12-27 | 1992-07-24 | 정명식 | 질소산화물 제거용 촉매 |
JPH06198134A (ja) * | 1992-12-28 | 1994-07-19 | Tosoh Corp | 窒素酸化物の除去方法 |
KR960021149A (ko) * | 1994-12-29 | 1996-07-18 | 김만제 | 질소 산화물 제거용 제올라이트 촉매 |
-
2003
- 2003-02-27 KR KR10-2003-0012400A patent/KR100523287B1/ko not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60125250A (ja) * | 1983-12-08 | 1985-07-04 | Shiyuuichi Kagawa | 窒素酸化物の接触分解触媒及びその使用方法 |
JPS63182035A (ja) * | 1987-01-22 | 1988-07-27 | Babcock Hitachi Kk | 窒素酸化物除去用触媒 |
JPH03293041A (ja) * | 1990-04-12 | 1991-12-24 | Tosoh Corp | 窒素酸化物接触分解触媒及び接触分解方法 |
KR920011580A (ko) * | 1990-12-27 | 1992-07-24 | 정명식 | 질소산화물 제거용 촉매 |
JPH06198134A (ja) * | 1992-12-28 | 1994-07-19 | Tosoh Corp | 窒素酸化物の除去方法 |
KR960021149A (ko) * | 1994-12-29 | 1996-07-18 | 김만제 | 질소 산화물 제거용 제올라이트 촉매 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2025143873A1 (ko) * | 2023-12-29 | 2025-07-03 | 주식회사 엔바이온 | 탄화수소 및 암모니아를 환원제로서 단독 및 병용 사용 가능한 탈질 촉매, 탈질 촉매의 제조 방법 및 이를 포함하는 선택적 촉매 환원 장치 |
Also Published As
Publication number | Publication date |
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KR20040077024A (ko) | 2004-09-04 |
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