KR20020081255A - Nox 및 n2o의 제거방법 - Google Patents
Nox 및 n2o의 제거방법 Download PDFInfo
- Publication number
- KR20020081255A KR20020081255A KR1020027009062A KR20027009062A KR20020081255A KR 20020081255 A KR20020081255 A KR 20020081255A KR 1020027009062 A KR1020027009062 A KR 1020027009062A KR 20027009062 A KR20027009062 A KR 20027009062A KR 20020081255 A KR20020081255 A KR 20020081255A
- Authority
- KR
- South Korea
- Prior art keywords
- reaction zone
- catalyst
- zeolite
- gas
- iron
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000006243 chemical reaction Methods 0.000 claims abstract description 69
- 239000010457 zeolite Substances 0.000 claims abstract description 49
- 239000003054 catalyst Substances 0.000 claims abstract description 47
- 230000008569 process Effects 0.000 claims abstract description 28
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 61
- 229910052742 iron Inorganic materials 0.000 claims description 30
- 239000007789 gas Substances 0.000 claims description 22
- 230000009467 reduction Effects 0.000 claims description 13
- 239000002912 waste gas Substances 0.000 claims description 11
- 230000003197 catalytic effect Effects 0.000 claims 1
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical compound [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 abstract 1
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 13
- 238000000354 decomposition reaction Methods 0.000 description 13
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 12
- 238000006722 reduction reaction Methods 0.000 description 12
- 229910021529 ammonia Inorganic materials 0.000 description 6
- 239000001272 nitrous oxide Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 5
- 229930195733 hydrocarbon Natural products 0.000 description 5
- 150000002430 hydrocarbons Chemical class 0.000 description 5
- 229910052680 mordenite Inorganic materials 0.000 description 5
- 239000006227 byproduct Substances 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000005342 ion exchange Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 229910002089 NOx Inorganic materials 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000003421 catalytic decomposition reaction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000002500 ions Chemical group 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000012495 reaction gas Substances 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- -1 FeSO 4 X 7 H 2 O) Chemical class 0.000 description 1
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 159000000014 iron salts Chemical class 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B01D53/56—Nitrogen oxides
-
- 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/064—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing iron group metals, noble metals or copper
- B01J29/072—Iron group metals or copper
-
- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8628—Processes characterised by a specific catalyst
-
- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8631—Processes characterised by a specific device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20738—Iron
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/50—Zeolites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/50—Zeolites
- B01D2255/504—ZSM 5 zeolites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/402—Dinitrogen oxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/404—Nitrogen oxides other than dinitrogen oxide
-
- 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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Description
유입 농도 | 유출 농도 | 전환율 | |
N2O | 1000ppm | 39ppm | 96.1% |
NOx(x = 1-2) | 1000ppm | 78ppm | 96.2% |
NH3 | 1200ppm*) | 0ppm | 100% |
*)제1 반응 영역과 제2 반응 영역 사이에서 첨가됨. |
Claims (16)
- 실질적으로 하나 이상의 철 부하된 제올라이트로 구성된 촉매를 포함하는 하나 이상의 촉매 상(bed)과 2개의 반응 영역을 포함하며, 이때 제1 반응 영역(반응 영역 I)은 N2O를 분해하는 작용을 하며, 제2 반응 영역(반응 영역 II)에서 NOx가 환원되고, 제1 반응 영역과 제2 반응 영역 사이에 NH3가스를 도입하는 장치가 배치되는, 공정 가스 및 폐가스 중의 NOx및 N2O의 함량을 감소시키기 위한 장치.
- 제1항에 있어서, 반응 영역 I과 반응 영역 II가 동일한 촉매를 사용함을 특징으로 하는 장치.
- 제1항에 있어서, 반응 영역 I과 반응 영역 II가 공간적으로 분리되어 있음을 특징으로 하는 장치.
- 제1항에 있어서, 반응 영역 I과 반응 영역 II가 공간적으로 연결되어 있음을 특징으로 하는 장치.
- 제1항 내지 제4항 중의 어느 한 항에 있어서, 촉매 내에 존재하는 철 부하된 제올라이트(들)가 MFI, BEA, FER, MOR 및/또는 MEL 형태임을 특징으로 하는 장치.
- 제1항 내지 제5항 중의 어느 한 항에 있어서, 철 부하된 제올라이트가 MFI 형태임을 특징으로 하는 장치.
- 제1항 내지 제6항 중의 어느 한 항에 있어서, 제올라이트가 Fe-ZSM-5임을 특징으로 하는 장치.
- 실질적으로 하나 이상의 철 부하된 제올라이트로 구성되는 촉매의 존재하에 수행되고, N2O를 제거하기 위해, 제1 단계에서, 500℃ 미만의 온도에서 반응 영역 I 속의 촉매 상에 NOx및 N2O를 포함하는 기체를 통과시키고, 제2 단계에서, 생성되는 가스 스트림을 반응 영역 II 속의 철 함유 제올라이트 촉매 상에서 전방으로 유도하고, NOx의 환원을 위해 충분한 비율의 NH3을 가스 스트림에 첨가함을 특징으로 하는, 가스 및 폐가스에서 NOx및 N2O의 함량을 감소시키는 방법.
- 제8항에 있어서, 반응 영역 I과 반응 영역 II가 동일한 촉매를 사용함을 특징으로 하는 방법.
- 제8항에 있어서, 촉매 내에 존재하는 철 부하된 제올라이트(들)가 MFI, BEA, FER, MOR 및/또는 MEL 형태임을 특징으로 하는 방법.
- 제10항에 있어서, 철 부하된 제올라이트가 MFI 형태임을 특징으로 하는 방법.
- 제11항에 있어서, 제올라이트가 Fe-ZSM-5임을 특징으로 하는 방법.
- 제8항 내지 제12항 중의 어느 한 항에 있어서, 반응 영역 I과 반응 영역 II가 공간적으로 분리되어 있음을 특징으로 하는 방법.
- 제8항 내지 제12항 중의 어느 한 항에 있어서, 반응 영역 I과 반응 영역 II가 공간적으로 연결되어 있음을 특징으로 하는 방법.
- 제8항 내지 제14항 중의 어느 한 항에 있어서, 1 내지 50bar의 압력 범위에서 수행되는 방법.
- 제8항 내지 제15항 중의 어느 한 항에 있어서, N2O 전환율 및 NOx전환율이 80%를 초과하는 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10001539A DE10001539B4 (de) | 2000-01-14 | 2000-01-14 | Verfahren zur Beseitigung von NOx und N2O |
DE10001539.5 | 2000-01-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020081255A true KR20020081255A (ko) | 2002-10-26 |
KR100785645B1 KR100785645B1 (ko) | 2007-12-14 |
Family
ID=7627656
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020027009062A KR100785645B1 (ko) | 2000-01-14 | 2001-01-09 | Nox 및 n2o의 함량을 감소시키기 위한 장치 및 방법 |
Country Status (17)
Country | Link |
---|---|
US (1) | US20030143141A1 (ko) |
EP (1) | EP1259307A1 (ko) |
KR (1) | KR100785645B1 (ko) |
CN (1) | CN1214850C (ko) |
AU (1) | AU778960B2 (ko) |
CA (1) | CA2397250C (ko) |
CZ (1) | CZ304536B6 (ko) |
DE (1) | DE10001539B4 (ko) |
HU (2) | HU0600086V0 (ko) |
IL (1) | IL150700A (ko) |
IN (1) | IN2002CH01066A (ko) |
MX (1) | MX238489B (ko) |
NO (1) | NO335080B1 (ko) |
PL (1) | PL213696B1 (ko) |
RU (1) | RU2264845C2 (ko) |
WO (1) | WO2001051181A1 (ko) |
ZA (1) | ZA200205511B (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101522277B1 (ko) * | 2014-02-13 | 2015-05-21 | 한국에너지기술연구원 | 반도체 배기가스 내 아산화질소의 촉매 제거 방법 |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7438878B2 (en) * | 2001-03-12 | 2008-10-21 | Basf Catalysts Llc | Selective catalytic reduction of N2O |
DE10112444A1 (de) * | 2001-03-13 | 2002-10-02 | Krupp Uhde Gmbh | Verfahren zur Verringerung des Gehalts von N¶2¶O und NO¶x¶ in Gasen |
DE10226461A1 (de) * | 2002-06-13 | 2004-01-22 | Uhde Gmbh | Verfahren und Vorrichtung zur Verringerung des Gehaltes an NOx und N2O in Gasen |
DE102004028276B4 (de) * | 2004-06-11 | 2008-08-21 | Universität Karlsruhe | Vorrichtung zur Reinigung von Abgasen einer Verbrennungskraftmaschine |
DE102005022650A1 (de) | 2005-05-11 | 2006-11-16 | Uhde Gmbh | Verfahren zur Verringerung des Gehaltes an Stickoxiden in Gasen |
US9079162B2 (en) | 2008-04-28 | 2015-07-14 | BASF SE Ludwigshafen | Fe-BEA/Fe-MFI mixed zeolite catalyst and process for the treatment of NOX in gas streams |
JP2009262098A (ja) * | 2008-04-28 | 2009-11-12 | Ne Chemcat Corp | 選択還元触媒を用いた排気ガス浄化方法 |
KR101091705B1 (ko) * | 2009-03-24 | 2011-12-08 | 한국에너지기술연구원 | 암모니아 환원제에 의한 아산화질소 단독 혹은 아산화질소와 일산화질소의 동시 저감을 위한 철이온이 담지된 제올라이트 촉매의 제조방법과 그 촉매 그리고 이를이용한 암모니아 환원제에 의한 아산화질소 단독 혹은 아산화질소와 일산화질소의 동시 저감방법 |
EP2444611B1 (en) * | 2009-06-16 | 2016-01-13 | Toyota Jidosha Kabushiki Kaisha | Exhaust purification system of an internal combustion engine |
KR20130091638A (ko) * | 2010-04-08 | 2013-08-19 | 바스프 에스이 | Fe-BEA/Fe-MFI 혼합 제올라이트 촉매 및 이를 사용하여 가스 스트림 내의 NOx를 처리하는 방법 |
US9352307B2 (en) * | 2010-04-08 | 2016-05-31 | Basf Corporation | Cu-CHA/Fe-MFI mixed zeolite catalyst and process for the treatment of NOx in gas streams |
DE102010022775A1 (de) | 2010-06-04 | 2011-12-08 | Uhde Gmbh | Verfahren und Vorrichtung zur Beseitigung von NOx und N2O |
DE202010009938U1 (de) | 2010-07-07 | 2010-10-14 | Süd-Chemie AG | Verwendung eines Zeolithen vom Typ BEA zur Minderung des N2O-Gehalts in sauerstoffreichen Abgasströmen |
US8303919B2 (en) | 2010-10-21 | 2012-11-06 | Babcock & Wilcox Power Generation Group, Inc. | System and method for protection of SCR catalyst and control of multiple emissions |
WO2012114288A1 (en) | 2011-02-22 | 2012-08-30 | Instytut Nawozów Sztucznych | Composite catalyst for the low temperature decomposition of nitrous oxide, and method of manufacture thereof |
US9804893B2 (en) | 2011-04-08 | 2017-10-31 | Qualcomm Incorporated | Method and apparatus for optimized execution using resource utilization maps |
US9999877B2 (en) | 2011-10-05 | 2018-06-19 | Basf Se | Cu-CHA/Fe-BEA mixed zeolite catalyst and process for the treatment of NOx in gas streams |
JP2014530097A (ja) * | 2011-10-05 | 2014-11-17 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | ガス流中のNOxを処理するためのCu−CHA/Fe−BEA混合ゼオライト触媒および方法 |
DE102011121188A1 (de) | 2011-12-16 | 2013-06-20 | Thyssen Krupp Uhde Gmbh | Vorrichtung und Verfahren zur Beseitigung von NOx und N20 |
CN104302394A (zh) * | 2012-04-11 | 2015-01-21 | 庄信万丰股份有限公司 | 含有金属的沸石催化剂 |
WO2015154828A1 (en) * | 2014-04-07 | 2015-10-15 | Haldor Topsøe A/S | Method for producing metal exchanged zeolites by solid-state ion exchange at low temperatures |
DE102014210661A1 (de) * | 2014-06-04 | 2015-12-17 | Thyssenkrupp Ag | Verringerung der Emission von Stickoxiden beim Anfahren von Anlagen zur Herstellung von Salpetersäure |
PL3227019T3 (pl) | 2014-12-03 | 2019-07-31 | Basf Se | Katalizator rodowy do rozkładu podtlenku azotu, jego wytwarzanie i zastosowanie |
EP3315188A1 (en) * | 2016-10-28 | 2018-05-02 | Casale Sa | A method for removing nitrogen oxides from a gas using an iron exchanged zeolite catalyst |
EP3162427A1 (en) * | 2015-10-28 | 2017-05-03 | Casale SA | A method and apparatus for removing nox and n2o from a gas |
CN105642339B (zh) * | 2015-12-08 | 2019-04-02 | 长春工业大学 | 一种无需还原气的同时脱硫脱硝催化剂及制备方法 |
US20200061536A1 (en) * | 2016-10-28 | 2020-02-27 | Casale Sa | A method for removing nitrogen oxides from a gas using an iron exchanged zeolite catalyst |
WO2019014115A1 (en) * | 2017-07-11 | 2019-01-17 | Shell Oil Company | CATALYST AND METHOD FOR USE IN CONVERTING NOX AND N2O |
BR112020005604A2 (pt) | 2017-11-30 | 2020-09-29 | Casale Sa | processo para a produção de ácido nítrico com redução terciária de n2o e nox |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5057946A (ko) * | 1973-07-17 | 1975-05-20 | ||
US4571329A (en) * | 1984-08-13 | 1986-02-18 | Babcock-Hitachi Kabushiki Kaisha | Ammonia reduction-denitration process and apparatus therefor |
DE3723072A1 (de) * | 1987-07-11 | 1989-01-19 | Basf Ag | Verfahren zur entfernung von stickoxiden aus abgasen |
US5171553A (en) * | 1991-11-08 | 1992-12-15 | Air Products And Chemicals, Inc. | Catalytic decomposition of N2 O |
FR2705036B1 (fr) * | 1993-05-10 | 1995-06-16 | Paroisse Sa Grande | Procédé pour abaisser la teneur en protoxyde d'azote dans les effluents gazeux, en particulier dans ceux qui sont issus de synthèses par oxydation nitrique. |
US5451387A (en) * | 1994-07-07 | 1995-09-19 | Mobil Oil Corporation | Selective catalytic reduction of nitrogen oxides using an iron impregnated zeolite catalyst |
EP0756891A1 (en) * | 1995-07-26 | 1997-02-05 | Corning Incorporated | Iron zeolite for conversion of NOx |
DE19533715A1 (de) * | 1995-09-12 | 1997-03-13 | Basf Ag | Verfahren zum Entfernen von Stickstoffoxiden aus einem diese enthaltenden Gasstrom |
FR2773144B1 (fr) * | 1997-12-31 | 2000-02-04 | Grande Paroisse Sa | Catalyseur a base de ferrierite/fer pour la reduction catalytique de la teneur de gaz en protoxyde d'azote. son procede d'obtention. application au traitement de gaz industriels |
FR2773553B1 (fr) * | 1998-01-13 | 2000-03-31 | Ppg Ind France Sa | Procede de depollution et de recyclage d'ultrafiltrats de bains d'electrodeposition contenant du plomb |
FR2789911B1 (fr) * | 1999-02-18 | 2001-05-04 | Grande Paroisse Sa | Procede pour abattre simultanement les oxydes nitriques et le protoxyde d'azote dans les gaz qui en contiennent |
DE10226461A1 (de) * | 2002-06-13 | 2004-01-22 | Uhde Gmbh | Verfahren und Vorrichtung zur Verringerung des Gehaltes an NOx und N2O in Gasen |
-
2000
- 2000-01-14 DE DE10001539A patent/DE10001539B4/de not_active Expired - Lifetime
-
2001
- 2001-01-09 CA CA002397250A patent/CA2397250C/en not_active Expired - Lifetime
- 2001-01-09 PL PL356347A patent/PL213696B1/pl unknown
- 2001-01-09 KR KR1020027009062A patent/KR100785645B1/ko active IP Right Grant
- 2001-01-09 MX MXPA02006927 patent/MX238489B/es active IP Right Grant
- 2001-01-09 AU AU33688/01A patent/AU778960B2/en not_active Expired
- 2001-01-09 HU HU20010600086U patent/HU0600086V0/hu unknown
- 2001-01-09 HU HU0204088A patent/HU230919B1/hu unknown
- 2001-01-09 RU RU2002121783/15A patent/RU2264845C2/ru active
- 2001-01-09 US US10/181,086 patent/US20030143141A1/en not_active Abandoned
- 2001-01-09 CN CNB018036783A patent/CN1214850C/zh not_active Expired - Lifetime
- 2001-01-09 EP EP01905656A patent/EP1259307A1/de not_active Ceased
- 2001-01-09 CZ CZ2002-2433A patent/CZ304536B6/cs not_active IP Right Cessation
- 2001-01-09 WO PCT/EP2001/000156 patent/WO2001051181A1/de active IP Right Grant
-
2002
- 2002-07-10 ZA ZA200205511A patent/ZA200205511B/en unknown
- 2002-07-11 NO NO20023342A patent/NO335080B1/no not_active IP Right Cessation
- 2002-07-11 IN IN1066CH2002 patent/IN2002CH01066A/en unknown
- 2002-07-11 IL IL150700A patent/IL150700A/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101522277B1 (ko) * | 2014-02-13 | 2015-05-21 | 한국에너지기술연구원 | 반도체 배기가스 내 아산화질소의 촉매 제거 방법 |
Also Published As
Publication number | Publication date |
---|---|
CN1214850C (zh) | 2005-08-17 |
IL150700A (en) | 2009-02-11 |
DE10001539A1 (de) | 2001-08-02 |
CZ304536B6 (cs) | 2014-06-25 |
AU778960B2 (en) | 2004-12-23 |
HUP0204088A3 (en) | 2004-08-30 |
EP1259307A1 (de) | 2002-11-27 |
ZA200205511B (en) | 2003-10-07 |
HU230919B1 (hu) | 2019-03-28 |
RU2264845C2 (ru) | 2005-11-27 |
CZ20022433A3 (cs) | 2003-06-18 |
DE10001539B4 (de) | 2006-01-19 |
NO335080B1 (no) | 2014-09-08 |
MX238489B (es) | 2006-07-07 |
IN221362B (ko) | 2008-09-12 |
WO2001051181A1 (de) | 2001-07-19 |
AU3368801A (en) | 2001-07-24 |
NO20023342L (no) | 2002-09-05 |
CA2397250A1 (en) | 2001-07-19 |
US20030143141A1 (en) | 2003-07-31 |
IN2002CH01066A (en) | 2007-10-05 |
KR100785645B1 (ko) | 2007-12-14 |
HU0600086V0 (en) | 2006-05-29 |
MXPA02006927A (es) | 2002-11-29 |
RU2002121783A (ru) | 2004-03-27 |
CA2397250C (en) | 2009-09-15 |
PL356347A1 (en) | 2004-06-28 |
PL213696B1 (pl) | 2013-04-30 |
CN1395501A (zh) | 2003-02-05 |
NO20023342D0 (no) | 2002-07-11 |
HUP0204088A2 (hu) | 2003-04-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100785645B1 (ko) | Nox 및 n2o의 함량을 감소시키기 위한 장치 및 방법 | |
US7485276B2 (en) | Method for the removal of Nox and N2O from the tail gas in nitric acid production | |
KR101315093B1 (ko) | 가스 중의 질소 산화물 농도를 감소시키는 방법 | |
RU2318581C2 (ru) | СПОСОБ И УСТРОЙСТВО ДЛЯ УМЕНЬШЕНИЯ СОДЕРЖАНИЯ NOx И N2O В ГАЗАХ | |
US5589147A (en) | Catalytic system for the reducton of nitrogen oxides | |
RU2320400C2 (ru) | Способ удаления оксидов азота | |
KR100824225B1 (ko) | 가스 중의 n2o 및 nox 함량의 감소방법 | |
US5482692A (en) | Selective catalytic reduction of nitrogen oxides using a ferrocene impregnated zeolite catalyst | |
AU775254B2 (en) | Removal of laughing gas in nitric acid production | |
AU2002257618B2 (en) | Method of reducing the N2O content of gases and selected catalysts | |
Schwefer et al. | Method for the removal of No x and N 2 O from the tail gas in nitric acid production |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
G170 | Re-publication after modification of scope of protection [patent] | ||
FPAY | Annual fee payment |
Payment date: 20121201 Year of fee payment: 6 |
|
FPAY | Annual fee payment |
Payment date: 20131129 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20141201 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20151127 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20161129 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20171124 Year of fee payment: 11 |