KR20030004320A - 질산 제조시에 잔류 가스로부터 NOx 및 N2O를제거하는 방법 - Google Patents
질산 제조시에 잔류 가스로부터 NOx 및 N2O를제거하는 방법 Download PDFInfo
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- KR20030004320A KR20030004320A KR1020027009072A KR20027009072A KR20030004320A KR 20030004320 A KR20030004320 A KR 20030004320A KR 1020027009072 A KR1020027009072 A KR 1020027009072A KR 20027009072 A KR20027009072 A KR 20027009072A KR 20030004320 A KR20030004320 A KR 20030004320A
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- 238000000034 method Methods 0.000 title claims abstract description 37
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 229910017604 nitric acid Inorganic materials 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000003054 catalyst Substances 0.000 claims abstract description 37
- 239000010457 zeolite Substances 0.000 claims abstract description 37
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 35
- 230000008569 process Effects 0.000 claims abstract description 21
- 229910052742 iron Inorganic materials 0.000 claims abstract description 16
- 238000010521 absorption reaction Methods 0.000 claims abstract description 9
- 238000000354 decomposition reaction Methods 0.000 claims description 30
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 19
- 229910021536 Zeolite Inorganic materials 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 120
- 239000007789 gas Substances 0.000 description 26
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 12
- 239000002912 waste gas Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- 239000011230 binding agent Substances 0.000 description 7
- 229910052680 mordenite Inorganic materials 0.000 description 6
- 239000001272 nitrous oxide Substances 0.000 description 6
- 230000009467 reduction Effects 0.000 description 6
- 238000006722 reduction reaction Methods 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 4
- 238000005342 ion exchange Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 238000010531 catalytic reduction reaction Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000007613 environmental effect Effects 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- -1 FeSO 4 x 7 H 2 O) Chemical class 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 235000011037 adipic acid Nutrition 0.000 description 2
- 239000001361 adipic acid Substances 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 239000000126 substance Substances 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
- 101100352919 Caenorhabditis elegans ppm-2 gene Proteins 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 238000007084 catalytic combustion reaction Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 231100000584 environmental toxicity Toxicity 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910001657 ferrierite group Inorganic materials 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000007210 heterogeneous catalysis Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 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
- 238000011068 loading method Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 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
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 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
- 150000003839 salts Chemical class 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
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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
- B01D53/56—Nitrogen oxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
- C01B21/24—Nitric oxide (NO)
- C01B21/26—Preparation by catalytic or non-catalytic oxidation of ammonia
- C01B21/265—Preparation by catalytic or non-catalytic oxidation of ammonia characterised by the 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
- B01D53/8628—Processes characterised by a specific catalyst
-
- 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
- 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
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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)
-
- 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
- Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Treating Waste Gases (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Gas Separation By Absorption (AREA)
Abstract
Description
실시예번호 | 가하는NH3의 양 | 생성된NOx농도(350℃에서DeNOx스테이지 후) | 생성된NOx/N2O 비율(DeNOx스테이지 후) | 생성된N2O 농도(475℃에서DeN2O스테이지 후) |
1 | 500ppm | 500ppm | 0.5 | 40ppm |
2 | 800ppm | 200ppm | 0.2 | 54ppm |
3 | 950ppm | 50ppm | 0.05 | 81ppm |
4 | 990ppm | 10ppm | 0.01 | 99ppm |
5 | 1000ppm | 1ppm 미만 | 0.001 미만 | 462ppm |
Claims (11)
- 흡수 칼럼을 빠져나온 잔류 가스가 잔류 가스 터빈으로 진입하기 전에, 두 개의 스테이지, 즉 NOx함량을 감소시키는 제1 스테이지(DeNOx스테이지)와 가스의 N2O 함량을 감소시키는 제2 스테이지(DeN2O 스테이지)와의 조합을 통과하고, 가스가 제2 스테이지로 진입하기 전의 NOx/N2O 비율이 0.001 내지 0.5이며, 제2 스테이지에서 이러한 가스가 철 로딩된 제올라이트 하나 이상으로 실질적으로 이루어진 촉매와 접촉하는, 질산 제조시에 잔류 가스로부터 NOx농도 및 N2O 농도를 감소시키는 방법.
- 제1항에 있어서, 촉매에 존재하는 철 로딩된 제올라이트(들)가 MFI, BEA, FER, MOR 및/또는 MEL 형태임을 특징으로 하는 방법.
- 제2항에 있어서, 철 로딩된 제올라이트(들)가 MFI 형태임을 특징으로 하는 방법.
- 제3항에 있어서, 제올라이트가 Fe-ZSM-5임을 특징으로 하는 방법.
- 제1항 내지 제4항 중의 어느 한 항에 있어서, 제1 스테이지의 온도가 400℃미만, 바람직하게는 350℃ 미만임을 특징으로 하는 방법.
- 제1항 내지 제5항 중의 어느 한 항에 있어서, 제2 스테이지의 온도가 300 내지 550℃, 바람직하게는 350 내지 500℃임을 특징으로 하는 방법.
- 제1항 내지 제6항 중의 어느 한 항에 있어서, 두 개의 스테이지가 4 내지 12bar의 압력에서 조작됨을 특징으로 하는 방법.
- 제1항 내지 제7항 중의 어느 한 항에 있어서, 제1 스테이지가 SCR 공정을 사용하여 조작됨을 특징으로 하는 방법.
- 제1항 내지 제8항 중의 어느 한 항에 있어서, 흡수 칼럼을 빠져나온 후에 제1 스테이지 또는 제2 스테이지로 진입하기 전의 가스의 수분 함량이 0.05 내지 1용적%, 특히 바람직하게는 0.1 내지 0.8용적%임을 특징으로 하는 방법.
- 제1항 내지 제9항 중의 어느 한 항에 있어서, 제1 스테이지를 빠져나온 후의 가스의 NOx함량이 1 내지 200ppm이고 N2O 함량이 200 내지 2000ppm이며, 제2 스테이지를 빠져나온 후의 NOx함량이 1 내지 200ppm이고 N2O 함량이 0 내지 200ppm임을 특징으로 하는 방법.
- 제1항 내지 제10항 중의 어느 한 항에 있어서, 성취되는 N2O 분해가 90%를 초과함을, 특히 바람직하게는 95%를 초과함을 특징으로 하는 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10001541A DE10001541B4 (de) | 2000-01-14 | 2000-01-14 | Verfahren zur Beseitigung von NOx und N¶2¶O aus dem Restgas der Salpetersäureproduktion |
DE10001541.7 | 2000-01-14 | ||
PCT/EP2001/000157 WO2001051182A1 (de) | 2000-01-14 | 2001-01-09 | VERFAHREN ZUR BESEITIGUNG VON NOx UND N2O AUS DEM RESTGAS DER SALPETERSÄUREPRODUKTION |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030004320A true KR20030004320A (ko) | 2003-01-14 |
KR100723819B1 KR100723819B1 (ko) | 2007-06-04 |
Family
ID=7627658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020027009072A Expired - Lifetime KR100723819B1 (ko) | 2000-01-14 | 2001-01-09 | 질산 제조시에 잔류 가스로부터 질소 산화물과 아산화질소를 제거하는 방법 |
Country Status (19)
Country | Link |
---|---|
US (1) | US7485276B2 (ko) |
EP (1) | EP1268040B1 (ko) |
KR (1) | KR100723819B1 (ko) |
CN (1) | CN1239231C (ko) |
AT (1) | ATE286775T1 (ko) |
AU (1) | AU773571B2 (ko) |
CA (1) | CA2397265C (ko) |
CZ (1) | CZ300370B6 (ko) |
DE (2) | DE10001541B4 (ko) |
ES (1) | ES2236246T3 (ko) |
HU (1) | HUP0204148A2 (ko) |
IL (1) | IL150699A (ko) |
MX (1) | MXPA02006925A (ko) |
NO (1) | NO334920B1 (ko) |
PL (1) | PL205073B1 (ko) |
PT (1) | PT1268040E (ko) |
RU (1) | RU2259227C2 (ko) |
WO (1) | WO2001051182A1 (ko) |
ZA (1) | ZA200205467B (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101022247B1 (ko) * | 2008-08-27 | 2011-03-21 | 그린프라 주식회사 | N2O 및 NOx 동시환원용 촉매 및 그 제조방법 |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10215605A1 (de) * | 2002-04-09 | 2003-10-30 | Uhde Gmbh | Entstickungsverfahren |
DE10226461A1 (de) * | 2002-06-13 | 2004-01-22 | Uhde Gmbh | Verfahren und Vorrichtung zur Verringerung des Gehaltes an NOx und N2O in Gasen |
WO2005082779A2 (de) * | 2004-02-23 | 2005-09-09 | Uhde Gmbh | Verfahren zur salpetersäureproduktion sowie dafür geeignete anlage |
MX2007010465A (es) | 2005-02-28 | 2008-01-14 | Catalytic Solutions Inc | Catalizadores y metodo para reducir oxidos de nitrogeno en corrientes de escape de hidrocarburos o alcoholes. |
DE102005022650A1 (de) * | 2005-05-11 | 2006-11-16 | Uhde Gmbh | Verfahren zur Verringerung des Gehaltes an Stickoxiden in Gasen |
KR100859747B1 (ko) | 2007-02-05 | 2008-09-24 | 고등기술연구원연구조합 | 질소 및 질소산화물 가스를 감소시키기 위한 방법 및 장치 |
JP5141063B2 (ja) * | 2007-03-26 | 2013-02-13 | トヨタ自動車株式会社 | 排ガス浄化装置 |
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KR101022247B1 (ko) * | 2008-08-27 | 2011-03-21 | 그린프라 주식회사 | N2O 및 NOx 동시환원용 촉매 및 그 제조방법 |
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US7485276B2 (en) | 2009-02-03 |
AU773571B2 (en) | 2004-05-27 |
EP1268040B1 (de) | 2005-01-12 |
ZA200205467B (en) | 2003-12-31 |
DE10001541A1 (de) | 2001-08-02 |
US20030143142A1 (en) | 2003-07-31 |
DE10001541B4 (de) | 2005-04-28 |
CZ20022435A3 (cs) | 2003-05-14 |
NO20023341D0 (no) | 2002-07-11 |
NO334920B1 (no) | 2014-07-14 |
AU2845801A (en) | 2001-07-24 |
NO20023341L (no) | 2002-08-27 |
CA2397265A1 (en) | 2001-07-19 |
CN1239231C (zh) | 2006-02-01 |
WO2001051182A1 (de) | 2001-07-19 |
CN1395502A (zh) | 2003-02-05 |
ATE286775T1 (de) | 2005-01-15 |
PL356217A1 (en) | 2004-06-28 |
DE50105064D1 (de) | 2005-02-17 |
RU2002121781A (ru) | 2004-03-27 |
EP1268040A1 (de) | 2003-01-02 |
CA2397265C (en) | 2009-03-24 |
HUP0204148A2 (en) | 2003-05-28 |
ES2236246T3 (es) | 2005-07-16 |
CZ300370B6 (cs) | 2009-05-06 |
RU2259227C2 (ru) | 2005-08-27 |
MXPA02006925A (es) | 2002-11-29 |
PT1268040E (pt) | 2005-05-31 |
KR100723819B1 (ko) | 2007-06-04 |
PL205073B1 (pl) | 2010-03-31 |
IL150699A (en) | 2009-02-11 |
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