ZA917226B - Catalyst decomposition of cyanuric acid and use of product to reduce nitrogen oxide emissions. - Google Patents
Catalyst decomposition of cyanuric acid and use of product to reduce nitrogen oxide emissions.Info
- Publication number
- ZA917226B ZA917226B ZA917226A ZA917226A ZA917226B ZA 917226 B ZA917226 B ZA 917226B ZA 917226 A ZA917226 A ZA 917226A ZA 917226 A ZA917226 A ZA 917226A ZA 917226 B ZA917226 B ZA 917226B
- Authority
- ZA
- South Africa
- Prior art keywords
- product
- nitrogen oxide
- cyanuric acid
- reduce nitrogen
- oxide emissions
- Prior art date
Links
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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/585,886 US5087431A (en) | 1990-09-20 | 1990-09-20 | Catalytic decomposition of cyanuric acid and use of product to reduce nitrogen oxide emissions |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA917226B true ZA917226B (en) | 1993-03-11 |
Family
ID=24343378
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA917226A ZA917226B (en) | 1990-09-20 | 1991-09-11 | Catalyst decomposition of cyanuric acid and use of product to reduce nitrogen oxide emissions. |
Country Status (8)
Country | Link |
---|---|
US (1) | US5087431A (xx) |
EP (1) | EP0502156A1 (xx) |
JP (1) | JPH05503662A (xx) |
CN (1) | CN1061917A (xx) |
AU (1) | AU8549391A (xx) |
MX (1) | MX9101198A (xx) |
WO (1) | WO1992004968A1 (xx) |
ZA (1) | ZA917226B (xx) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5342599A (en) * | 1990-09-14 | 1994-08-30 | Cummins Power Generation, Inc. | Surface stabilized sources of isocyanic acid |
US5234670A (en) * | 1990-09-20 | 1993-08-10 | Molecular Technology Corporation | Reduction of nitrogen oxide in effluent gases using NCO radicals |
DE4206024A1 (de) * | 1992-02-27 | 1993-09-02 | Asea Brown Boveri | Verfahren zur reduktion von stickoxyden in abgasen |
DE4423003C2 (de) * | 1993-07-06 | 1999-01-21 | Ford Werke Ag | Verfahren und Vorrichtung zum Reduzieren von NO¶x¶ in den Abgasen von Kraftfahrzeugverbrennungsmotoren |
AT400559B (de) * | 1993-09-09 | 1996-01-25 | Chemie Linz Gmbh | Verfahren zur herstellung von isocyansäure aus cyanursäure |
DE4336576A1 (de) * | 1993-10-27 | 1995-05-04 | Chemie Linz Deutschland | Verfahren zur Herstellung von Isocyansäure aus Cyanursäure |
JP3735594B2 (ja) * | 2002-06-28 | 2006-01-18 | 株式会社東芝 | 光ディスク装置と光ディスク装置の待機方法 |
US7199088B2 (en) | 2002-07-01 | 2007-04-03 | Shell Oil Company | Lubricating oil for a diesel powered engine and method of operating a diesel powered engine |
US10267196B1 (en) | 2016-09-14 | 2019-04-23 | Southwest Research Institute | Treatment of reductant urea solutions with catalyst precursors to assist selective catalytic reduction |
US10378411B1 (en) | 2018-01-03 | 2019-08-13 | Southwest Research Institute | Dosing method and apparatus for reductant urea solutions with catalyst precursors to assist selective catalytic reduction |
US10774715B1 (en) | 2018-03-27 | 2020-09-15 | Southwest Research Institute | Stabilization of aqueous urea solutions containing organometallic catalyst precursors |
CN112023695B (zh) * | 2020-09-16 | 2022-07-26 | 安徽工业大学 | 一种用于电力烟气的尿素热解脱硝装置及方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5141026B2 (xx) * | 1972-09-20 | 1976-11-08 | ||
US3900554A (en) * | 1973-03-16 | 1975-08-19 | Exxon Research Engineering Co | Method for the reduction of the concentration of no in combustion effluents using ammonia |
US4208386A (en) * | 1976-03-03 | 1980-06-17 | Electric Power Research Institute, Inc. | Urea reduction of NOx in combustion effluents |
DE2721597A1 (de) * | 1977-05-13 | 1978-11-16 | Bayer Ag | Verfahren zur katalytischen umwandlung organischer stickstoffverbindungen |
JPS5428771A (en) * | 1977-08-08 | 1979-03-03 | Asahi Fibreglass Co | Waste gas treatment |
US4325924A (en) * | 1977-10-25 | 1982-04-20 | Electric Power Research Institute, Inc. | Urea reduction of NOx in fuel rich combustion effluents |
US4335084A (en) * | 1980-01-24 | 1982-06-15 | Roldiva, Inc. | Method for reducing NOx emissions from combustion processes |
US4719092A (en) * | 1985-10-04 | 1988-01-12 | Fuel Tech, Inc. | Reduction of nitrogen-based pollutants through the use of urea solutions containing oxygenated hydrocarbon solvents |
US4908193A (en) * | 1986-05-05 | 1990-03-13 | Perry Robert A | No reduction using sublimation of cyanuric acid |
US4731231A (en) * | 1986-05-05 | 1988-03-15 | Robert A. Perry | NO reduction using sublimation of cyanuric acid |
US4800068A (en) * | 1986-05-05 | 1989-01-24 | Perry Robert A | System for NO reduction using sublimation of cyanuric acid |
US4849192A (en) * | 1987-04-08 | 1989-07-18 | Energy And Environmental Research Corp. | Methods for preventing formation of sulfuric acid and related products in combustion effluents |
US4743436A (en) * | 1987-04-08 | 1988-05-10 | Energy And Environmental Research Corporation | Methods for preventing ammonium bisulfate formation during the noncatalytic reduction of nitric oxide |
US4851201A (en) * | 1987-04-16 | 1989-07-25 | Energy And Environmental Research Corporation | Methods of removing NOx and SOx emissions from combustion systems using nitrogenous compounds |
US4861567A (en) * | 1987-04-16 | 1989-08-29 | Energy And Environmental Research Corporation | Methods of reducing NOx and SOx emissions from combustion systems |
JPH02191524A (ja) * | 1988-10-13 | 1990-07-27 | Kiyouseki Seihin Gijutsu Kenkyusho:Kk | 窒素酸化物の除去方法 |
-
1990
- 1990-09-20 US US07/585,886 patent/US5087431A/en not_active Expired - Fee Related
-
1991
- 1991-09-11 ZA ZA917226A patent/ZA917226B/xx unknown
- 1991-09-16 WO PCT/US1991/006695 patent/WO1992004968A1/en not_active Application Discontinuation
- 1991-09-16 JP JP3515916A patent/JPH05503662A/ja active Pending
- 1991-09-16 EP EP91916686A patent/EP0502156A1/en not_active Withdrawn
- 1991-09-16 AU AU85493/91A patent/AU8549391A/en not_active Abandoned
- 1991-09-19 CN CN91109018A patent/CN1061917A/zh active Pending
- 1991-09-20 MX MX9101198A patent/MX9101198A/es unknown
Also Published As
Publication number | Publication date |
---|---|
WO1992004968A1 (en) | 1992-04-02 |
MX9101198A (es) | 1992-05-04 |
JPH05503662A (ja) | 1993-06-17 |
US5087431A (en) | 1992-02-11 |
CN1061917A (zh) | 1992-06-17 |
AU8549391A (en) | 1992-04-15 |
EP0502156A1 (en) | 1992-09-09 |
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