KR950701247A - 질소 산화물의 촉매적 환원 방법(process for the catalytic reduction of nitrogen oxieds) - Google Patents
질소 산화물의 촉매적 환원 방법(process for the catalytic reduction of nitrogen oxieds)Info
- Publication number
- KR950701247A KR950701247A KR1019940703976A KR19940703976A KR950701247A KR 950701247 A KR950701247 A KR 950701247A KR 1019940703976 A KR1019940703976 A KR 1019940703976A KR 19940703976 A KR19940703976 A KR 19940703976A KR 950701247 A KR950701247 A KR 950701247A
- Authority
- KR
- South Korea
- Prior art keywords
- urea
- effluent
- ammonia
- hydrolyzate
- nitrogen oxides
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000010531 catalytic reduction reaction Methods 0.000 title abstract 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title 2
- 229910052757 nitrogen Inorganic materials 0.000 title 1
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims abstract 33
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract 32
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract 32
- 239000004202 carbamide Substances 0.000 claims abstract 32
- 229910021529 ammonia Inorganic materials 0.000 claims abstract 16
- 239000003054 catalyst Substances 0.000 claims abstract 8
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims 8
- 239000001099 ammonium carbonate Substances 0.000 claims 8
- 230000007062 hydrolysis Effects 0.000 claims 6
- 238000006460 hydrolysis reaction Methods 0.000 claims 6
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 claims 5
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims 5
- 229910052751 metal Inorganic materials 0.000 claims 4
- 239000002184 metal Substances 0.000 claims 4
- 235000012501 ammonium carbonate Nutrition 0.000 claims 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 2
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 claims 2
- TWFZGCMQGLPBSX-UHFFFAOYSA-N carbendazim Chemical compound C1=CC=C2NC(NC(=O)OC)=NC2=C1 TWFZGCMQGLPBSX-UHFFFAOYSA-N 0.000 claims 2
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims 2
- 230000003197 catalytic effect Effects 0.000 claims 2
- 150000001875 compounds Chemical class 0.000 claims 2
- 229910044991 metal oxide Inorganic materials 0.000 claims 2
- 150000004706 metal oxides Chemical class 0.000 claims 2
- 150000002739 metals Chemical class 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 2
- 150000003839 salts Chemical class 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000006555 catalytic reaction Methods 0.000 abstract 1
- 239000000446 fuel Substances 0.000 abstract 1
- 230000000750 progressive effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 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
- B01D53/74—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
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US87943992A | 1992-05-06 | 1992-05-06 | |
| US7/879,439 | 1992-05-06 | ||
| PCT/US1993/003976 WO1993022047A1 (en) | 1992-05-06 | 1993-04-28 | Process for the catalytic reduction of nitrogen oxides |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR950701247A true KR950701247A (ko) | 1995-03-23 |
Family
ID=25374165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019940703976A Withdrawn KR950701247A (ko) | 1992-05-06 | 1993-04-28 | 질소 산화물의 촉매적 환원 방법(process for the catalytic reduction of nitrogen oxieds) |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0639109A4 (enrdf_load_stackoverflow) |
| KR (1) | KR950701247A (enrdf_load_stackoverflow) |
| AU (1) | AU4220593A (enrdf_load_stackoverflow) |
| CA (1) | CA2135195A1 (enrdf_load_stackoverflow) |
| TW (1) | TW229225B (enrdf_load_stackoverflow) |
| WO (1) | WO1993022047A1 (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19606135C2 (de) * | 1996-02-20 | 1999-01-14 | Erc Emissions Reduzierungs Con | Katalysatoranordnung, insbesondere für einen Dreizugkessel |
| CN101778798A (zh) * | 2007-08-24 | 2010-07-14 | 鲍尔斯潘公司 | 用于从尿素生产碳酸铵的方法和装置 |
| WO2012104205A1 (en) * | 2011-02-04 | 2012-08-09 | Paul Scherrer Institut | Ammonia generator converting liquid ammonia precursor solutions to gaseous ammonia for denox-applications using selective catalytic reduction of nitrogen oxides |
| TWI464121B (zh) * | 2012-10-05 | 2014-12-11 | Hsueh Yuan Lee | 含氨流體處理方法及其裝置 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4087513A (en) * | 1977-08-12 | 1978-05-02 | Olin Corporation | Method of hydrolyzing urea contained in waste water streams |
| US4168299A (en) * | 1978-03-20 | 1979-09-18 | Olin Corporation | Catalytic method for hydrolyzing urea |
| JPH02191528A (ja) * | 1989-01-20 | 1990-07-27 | Babcock Hitachi Kk | 固体還元剤を用いた脱硝装置 |
| US5139754A (en) * | 1989-09-12 | 1992-08-18 | Fuel Tech, Inc. | Catalytic/non-catalytic combination process for nitrogen oxides reduction |
| US5240688A (en) * | 1990-08-01 | 1993-08-31 | Fuel Tech Gmbh | Process for the in-line hydrolysis of urea |
| DE4038054A1 (de) * | 1990-11-29 | 1992-06-04 | Man Technologie Gmbh | Verfahren und vorrichtung zur selektiven katalytischen no(pfeil abwaerts)x(pfeil abwaerts)-reduktion in sauerstoffhaltigen abgasen |
-
1993
- 1993-04-13 TW TW082102781A patent/TW229225B/zh not_active IP Right Cessation
- 1993-04-28 AU AU42205/93A patent/AU4220593A/en not_active Abandoned
- 1993-04-28 EP EP93910861A patent/EP0639109A4/en not_active Withdrawn
- 1993-04-28 CA CA002135195A patent/CA2135195A1/en not_active Abandoned
- 1993-04-28 KR KR1019940703976A patent/KR950701247A/ko not_active Withdrawn
- 1993-04-28 WO PCT/US1993/003976 patent/WO1993022047A1/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0639109A1 (en) | 1995-02-22 |
| CA2135195A1 (en) | 1993-11-11 |
| AU4220593A (en) | 1993-11-29 |
| EP0639109A4 (en) | 1995-03-22 |
| TW229225B (enrdf_load_stackoverflow) | 1994-09-01 |
| WO1993022047A1 (en) | 1993-11-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0105 | International application |
Patent event date: 19941105 Patent event code: PA01051R01D Comment text: International Patent Application |
|
| PC1203 | Withdrawal of no request for examination | ||
| WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |