PT1019321E - Metodos de producao de amoniaco a partir de ureia e sua utilizacao - Google Patents
Metodos de producao de amoniaco a partir de ureia e sua utilizacaoInfo
- Publication number
- PT1019321E PT1019321E PT98913061T PT98913061T PT1019321E PT 1019321 E PT1019321 E PT 1019321E PT 98913061 T PT98913061 T PT 98913061T PT 98913061 T PT98913061 T PT 98913061T PT 1019321 E PT1019321 E PT 1019321E
- Authority
- PT
- Portugal
- Prior art keywords
- ammonia
- urea
- utilization
- production
- methods
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/08—Preparation of ammonia from nitrogenous organic substances
- C01C1/086—Preparation of ammonia from nitrogenous organic substances from urea
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/08—Preparation of ammonia from nitrogenous organic substances
-
- 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/026—Preparation of ammonia from inorganic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Biomedical Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treating Waste Gases (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Electrostatic Separation (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/822,932 US6077491A (en) | 1997-03-21 | 1997-03-21 | Methods for the production of ammonia from urea and/or biuret, and uses for NOx and/or particulate matter removal |
Publications (1)
Publication Number | Publication Date |
---|---|
PT1019321E true PT1019321E (pt) | 2004-06-30 |
Family
ID=25237363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT98913061T PT1019321E (pt) | 1997-03-21 | 1998-03-20 | Metodos de producao de amoniaco a partir de ureia e sua utilizacao |
Country Status (12)
Country | Link |
---|---|
US (5) | US6077491A (pt) |
EP (2) | EP1019321B1 (pt) |
JP (1) | JP3791933B2 (pt) |
KR (1) | KR100514508B1 (pt) |
AT (1) | ATE258820T1 (pt) |
AU (1) | AU6769898A (pt) |
CA (1) | CA2284292C (pt) |
DE (1) | DE69821505T2 (pt) |
DK (1) | DK1019321T3 (pt) |
ES (1) | ES2212280T3 (pt) |
PT (1) | PT1019321E (pt) |
WO (1) | WO1998042623A1 (pt) |
Families Citing this family (102)
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US4533364A (en) | 1983-02-01 | 1985-08-06 | Electric Power Research Institute, Inc. | Method for flue gas conditioning with the decomposition products of ammonium sulfate or ammonium bisulfate |
JPH02268811A (ja) * | 1989-04-10 | 1990-11-02 | Hitachi Zosen Corp | 尿素の加水分解によるアンモニアを用いる脱硝方法 |
US5034030A (en) | 1989-07-03 | 1991-07-23 | The University Of North Dakota School Of Engineering & Mines Foundation (Und-Sem Foundation) | Process of flue gas conditioning applied to fabric filtration |
IT1232670B (it) | 1989-09-15 | 1992-03-02 | Snam Progetti | Procedimento per la purificazione delle acque reflue prodotte dagli impianti di produzione dell'urea. |
US5240688A (en) | 1990-08-01 | 1993-08-31 | Fuel Tech Gmbh | Process for the in-line hydrolysis of urea |
US5543123A (en) * | 1990-08-01 | 1996-08-06 | Nalco Fuel Tech | Low pressure formation of a urea hydrolysate for nitrogen oxides reduction |
US5098680A (en) * | 1990-10-15 | 1992-03-24 | Exxon Research & Engineering Company | Aqueous ammonia injection scheme |
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 |
US5281403B1 (en) | 1991-09-27 | 1996-06-11 | Noell Inc | Method for converting urea to ammonia |
US5252308A (en) * | 1991-12-31 | 1993-10-12 | Union Oil Company Of California | Transporting urea for quantitative conversion into ammonia |
US5567226A (en) * | 1992-10-09 | 1996-10-22 | Lookman; Aziz A. | Apparatus and method for enhancing the performance of a particulate collection device |
WO1994013391A1 (en) * | 1992-12-08 | 1994-06-23 | Nalco Fuel Tech | Process for improving the performance of an electrostatic precipitator |
JP3638638B2 (ja) * | 1994-08-24 | 2005-04-13 | バブコック日立株式会社 | 固体還元剤を用いた脱硝装置 |
JPH0871372A (ja) * | 1994-09-07 | 1996-03-19 | Babcock Hitachi Kk | 尿素を用いた脱硝装置と方法 |
US6077491A (en) | 1997-03-21 | 2000-06-20 | Ec&C Technologies | Methods for the production of ammonia from urea and/or biuret, and uses for NOx and/or particulate matter removal |
ITMI981155A1 (it) | 1998-05-25 | 1999-11-25 | Siirtec Nigi S P A | Processo per la produzione di ammoniaca mediante idrolisi dell'urea |
US6093380A (en) * | 1998-10-16 | 2000-07-25 | Siirtec Nigi, S.P.A. | Method and apparatus for pollution control in exhaust gas streams from fossil fuel burning facilities |
-
1997
- 1997-03-21 US US08/822,932 patent/US6077491A/en not_active Expired - Lifetime
-
1998
- 1998-03-20 AT AT98913061T patent/ATE258820T1/de active
- 1998-03-20 AU AU67698/98A patent/AU6769898A/en not_active Abandoned
- 1998-03-20 EP EP98913061A patent/EP1019321B1/en not_active Expired - Lifetime
- 1998-03-20 PT PT98913061T patent/PT1019321E/pt unknown
- 1998-03-20 DE DE69821505T patent/DE69821505T2/de not_active Expired - Lifetime
- 1998-03-20 DK DK98913061T patent/DK1019321T3/da active
- 1998-03-20 CA CA002284292A patent/CA2284292C/en not_active Expired - Lifetime
- 1998-03-20 EP EP03028375A patent/EP1417996A3/en not_active Withdrawn
- 1998-03-20 ES ES98913061T patent/ES2212280T3/es not_active Expired - Lifetime
- 1998-03-20 JP JP54212098A patent/JP3791933B2/ja not_active Expired - Fee Related
- 1998-03-20 WO PCT/US1998/005708 patent/WO1998042623A1/en active IP Right Grant
- 1998-03-20 KR KR10-1999-7008675A patent/KR100514508B1/ko not_active IP Right Cessation
-
2000
- 2000-02-17 US US09/507,623 patent/US6322762B1/en not_active Expired - Lifetime
-
2001
- 2001-10-22 US US10/023,040 patent/US6506350B2/en not_active Expired - Lifetime
-
2002
- 2002-06-17 US US10/174,194 patent/US6730280B2/en not_active Expired - Lifetime
-
2003
- 2003-09-15 US US10/662,762 patent/US7220395B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1417996A2 (en) | 2004-05-12 |
DE69821505D1 (de) | 2004-03-11 |
CA2284292A1 (en) | 1998-10-01 |
AU6769898A (en) | 1998-10-20 |
JP2001518047A (ja) | 2001-10-09 |
JP3791933B2 (ja) | 2006-06-28 |
US6077491A (en) | 2000-06-20 |
US6730280B2 (en) | 2004-05-04 |
EP1019321A1 (en) | 2000-07-19 |
US20030053943A1 (en) | 2003-03-20 |
US20020102197A1 (en) | 2002-08-01 |
EP1417996A3 (en) | 2004-11-24 |
US6506350B2 (en) | 2003-01-14 |
CA2284292C (en) | 2003-01-07 |
ES2212280T3 (es) | 2004-07-16 |
US20040126294A1 (en) | 2004-07-01 |
KR20010005610A (ko) | 2001-01-15 |
DE69821505T2 (de) | 2004-12-16 |
DK1019321T3 (da) | 2004-06-01 |
US7220395B2 (en) | 2007-05-22 |
WO1998042623A1 (en) | 1998-10-01 |
EP1019321B1 (en) | 2004-02-04 |
KR100514508B1 (ko) | 2005-09-15 |
EP1019321A4 (en) | 2001-09-12 |
US6322762B1 (en) | 2001-11-27 |
ATE258820T1 (de) | 2004-02-15 |
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