ATE172961T1 - Verfahren zur reduzierung des ammoniakgehalts von abgasen aus harnstoff-herstellungsfabriken - Google Patents
Verfahren zur reduzierung des ammoniakgehalts von abgasen aus harnstoff-herstellungsfabrikenInfo
- Publication number
- ATE172961T1 ATE172961T1 AT94201580T AT94201580T ATE172961T1 AT E172961 T1 ATE172961 T1 AT E172961T1 AT 94201580 T AT94201580 T AT 94201580T AT 94201580 T AT94201580 T AT 94201580T AT E172961 T1 ATE172961 T1 AT E172961T1
- Authority
- AT
- Austria
- Prior art keywords
- reducing
- exhaust gases
- ammonia content
- manufacturing factories
- urea manufacturing
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
- C07C273/14—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
- C07C273/04—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from carbon dioxide and ammonia
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
- C07C273/14—Separation; Purification; Stabilisation; Use of additives
- C07C273/16—Separation; Purification
-
- 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
- Y02P20/141—Feedstock
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treating Waste Gases (AREA)
- Exhaust Gas After Treatment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT93MI001216A IT1264564B1 (it) | 1993-06-09 | 1993-06-09 | Procedimento per la riduzione del contenuto di ammoniaca presente in uno scarico gassoso degli impianti per la produzione di urea |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE172961T1 true ATE172961T1 (de) | 1998-11-15 |
Family
ID=11366357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT94201580T ATE172961T1 (de) | 1993-06-09 | 1994-06-03 | Verfahren zur reduzierung des ammoniakgehalts von abgasen aus harnstoff-herstellungsfabriken |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US5527961A (de) |
| EP (1) | EP0629611B1 (de) |
| CN (1) | CN1053890C (de) |
| AT (1) | ATE172961T1 (de) |
| CA (1) | CA2125442C (de) |
| DE (1) | DE69414304T2 (de) |
| ES (1) | ES2123705T3 (de) |
| IT (1) | IT1264564B1 (de) |
| RU (1) | RU2129543C1 (de) |
| SA (1) | SA94150067B1 (de) |
| UA (1) | UA27813C2 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0891968B1 (de) * | 1997-06-26 | 2003-06-04 | Urea Casale S.A. | Verfahren zur Verminderung der Emissionen von freiem Restammoniak aus einer Ureumproduktionsanlage |
| EP2153880A1 (de) * | 2008-07-31 | 2010-02-17 | Urea Casale S.A. | Verfahren und Anlage zur Herstellung einer Harnstofflösung zur Verwendung in einem SCR-Prozess zur Nox-Verringerung |
| EP2301917A1 (de) | 2009-09-16 | 2011-03-30 | Stamicarbon B.V. | Entfernen von Harnstoff und Ammoniak aus Abgasen |
| EP2386346A1 (de) | 2010-05-11 | 2011-11-16 | Stamicarbon B.V. | Verfahren zur Senkung von Ammoniakemissionen in einem Harnstoffherstellungsverfahren |
| CN107715676A (zh) * | 2017-10-10 | 2018-02-23 | 鲁西化工集团股份有限公司煤化工分公司 | 一种降低尿素造粒塔尾气氨含量的生产工艺 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL106294C (de) * | 1957-11-21 | |||
| US3333939A (en) * | 1965-04-05 | 1967-08-01 | Arizona Agrochemical Corp | Discrete fertilizer granule containing a urea compound, sulfur and a phosphate plant food |
| US3535376A (en) * | 1968-01-16 | 1970-10-20 | Allied Chem | Free-flowing urea |
| GB1208632A (en) * | 1968-03-11 | 1970-10-14 | Power Gas Ltd | Improvements in or relating to the production of urea phosphate |
| US3689551A (en) * | 1969-11-06 | 1972-09-05 | Paul Raymond Patterson | Odor free non-caking conditioned urea composition and process of preparing same |
| US3928015A (en) * | 1974-10-29 | 1975-12-23 | Tennessee Valley Authority | Manufacture of urea-ammonium sulate from sulfuric acid, ammonia, and urea |
| US4461913A (en) * | 1981-11-24 | 1984-07-24 | Tennessee Valley Authority | Production of urea phosphate |
| JPS61204159A (ja) * | 1985-03-05 | 1986-09-10 | Kao Corp | 尿素水溶液の安定化方法 |
-
1993
- 1993-06-09 IT IT93MI001216A patent/IT1264564B1/it active IP Right Grant
-
1994
- 1994-06-03 ES ES94201580T patent/ES2123705T3/es not_active Expired - Lifetime
- 1994-06-03 EP EP94201580A patent/EP0629611B1/de not_active Expired - Lifetime
- 1994-06-03 AT AT94201580T patent/ATE172961T1/de active
- 1994-06-03 DE DE69414304T patent/DE69414304T2/de not_active Expired - Lifetime
- 1994-06-07 US US08/255,175 patent/US5527961A/en not_active Expired - Lifetime
- 1994-06-08 RU RU94020716A patent/RU2129543C1/ru active
- 1994-06-08 CA CA002125442A patent/CA2125442C/en not_active Expired - Lifetime
- 1994-06-09 UA UA94005248A patent/UA27813C2/uk unknown
- 1994-06-09 CN CN94106551A patent/CN1053890C/zh not_active Expired - Lifetime
- 1994-07-09 SA SA94150067A patent/SA94150067B1/ar unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA2125442A1 (en) | 1994-12-10 |
| CN1053890C (zh) | 2000-06-28 |
| SA94150067B1 (ar) | 2005-10-15 |
| RU2129543C1 (ru) | 1999-04-27 |
| ES2123705T3 (es) | 1999-01-16 |
| CN1108645A (zh) | 1995-09-20 |
| UA27813C2 (uk) | 2000-10-16 |
| DE69414304D1 (de) | 1998-12-10 |
| ITMI931216A1 (it) | 1994-12-09 |
| EP0629611A1 (de) | 1994-12-21 |
| US5527961A (en) | 1996-06-18 |
| IT1264564B1 (it) | 1996-10-04 |
| ITMI931216A0 (it) | 1993-06-09 |
| RU94020716A (ru) | 1997-04-10 |
| EP0629611B1 (de) | 1998-11-04 |
| CA2125442C (en) | 2004-05-11 |
| DE69414304T2 (de) | 1999-05-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification |