CH620902A5 - - Google Patents
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- Publication number
- CH620902A5 CH620902A5 CH376076A CH376076A CH620902A5 CH 620902 A5 CH620902 A5 CH 620902A5 CH 376076 A CH376076 A CH 376076A CH 376076 A CH376076 A CH 376076A CH 620902 A5 CH620902 A5 CH 620902A5
- Authority
- CH
- Switzerland
- Prior art keywords
- ammonia
- urea
- vol
- gas
- solution
- 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
- C07C273/10—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 combined with the synthesis 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
- C01C1/04—Preparation of ammonia by synthesis
- C01C1/0405—Preparation of ammonia by synthesis from N2 and H2 in presence of a catalyst
- C01C1/0458—Separation of NH3
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/04—Preparation of ammonia by synthesis
- C01C1/0405—Preparation of ammonia by synthesis from N2 and H2 in presence of a catalyst
- C01C1/0488—Processes integrated with preparations of other compounds, e.g. methanol, urea or with processes for power generation
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- 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
- Y02P20/10—Process efficiency
-
- 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
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT21778/75A IT1034674B (it) | 1975-03-28 | 1975-03-28 | Processo flessibile intergrato per la produzione di ammoniaca edurea |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH620902A5 true CH620902A5 (enExample) | 1980-12-31 |
Family
ID=11186718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH376076A CH620902A5 (enExample) | 1975-03-28 | 1976-03-25 |
Country Status (34)
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1115610B (it) * | 1977-03-03 | 1986-02-03 | Snam Progetti | Procedimento integrato urea-ammoniaca |
| IT1094295B (it) * | 1978-04-05 | 1985-07-26 | Snam Progetti | Procedimento integrato ammoniaca-urea |
| US4869887A (en) * | 1987-10-30 | 1989-09-26 | Dijk Christiaan P Van | Integrated ammonia-urea process |
| US4988491A (en) * | 1989-04-11 | 1991-01-29 | Christiaan Van Dijk | Flexible integration of the production of ammonia and urea |
| EP0891968B1 (en) * | 1997-06-26 | 2003-06-04 | Urea Casale S.A. | Process for reducing the residual free ammonia emissions from an urea production plant |
| EP0905127B1 (en) * | 1997-09-20 | 2001-11-28 | Urea Casale S.A. | Process for combined production of ammonia and urea |
| EP1041038B1 (en) * | 1999-03-31 | 2003-06-04 | Urea Casale S.A. | Method for the simultaneous modernization of a plant for ammonia production and a plant for urea production |
| US6511644B1 (en) * | 2000-08-28 | 2003-01-28 | The Chemithon Corporation | Method for removing contaminants in reactors |
| EP1188710A3 (en) * | 2000-09-15 | 2003-10-29 | Haldor Topsoe A/S | Process for the integrated preparation of ammonia and urea |
| RU2460569C1 (ru) * | 2011-02-10 | 2012-09-10 | Эдуард Владимирович Юрьев | Способ модернизации сепарационного узла газового (варианты) и сепаратор газовый (варианты) |
| WO2013088564A1 (ja) * | 2011-12-15 | 2013-06-20 | 三菱重工業株式会社 | 複数系統からなる尿素製造プラントの運転方法 |
| CA2875696C (en) | 2012-06-27 | 2020-09-01 | Grannus, Llc | Polygeneration production of power and fertilizer through emissions capture |
| EP3383794A4 (en) | 2015-12-04 | 2019-04-17 | Grannus, LLC | HYDROGEN-PRODUCTION OF HYDROGEN FOR USE IN DIFFERENT INDUSTRIAL PROCESSES |
| DE102015121756A1 (de) | 2015-12-14 | 2017-06-14 | Thyssenkrupp Ag | Verfahren zur Bereitstellung von Kohlendioxid für die Synthese von Harnstoff |
| DE102016203277A1 (de) | 2016-02-29 | 2017-08-31 | Thyssenkrupp Ag | Integrierte Synthese von Ammoniak und Harnstoff |
| DE102016122374A1 (de) | 2016-11-21 | 2018-05-24 | Thyssenkrupp Ag | Vollintegrierter Ammoniak-Harnstoff-Komplex |
| EP3366645A1 (en) | 2017-02-28 | 2018-08-29 | Casale Sa | Ammonia-urea integrated process and plant |
| WO2024259143A1 (en) * | 2023-06-14 | 2024-12-19 | Remo Energy, Inc. | Production of renewable nitrogenous products |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3303215A (en) * | 1962-03-09 | 1967-02-07 | Toyo Koatsu Ind Inc | Synthesis of urea |
| US3349126A (en) * | 1962-09-10 | 1967-10-24 | Pullman Inc | Integrated ammonia and urea process |
| US3310376A (en) * | 1963-09-09 | 1967-03-21 | Chemical Construction Corp | Process for combined production of ammonia and urea |
| JPS4830258B1 (enExample) * | 1969-02-08 | 1973-09-18 | ||
| JPS496297B1 (enExample) * | 1969-03-15 | 1974-02-13 | ||
| BE758646A (fr) * | 1969-11-15 | 1971-04-16 | Snam Progetti | Procede de traitement des gaz de synthese de l'ammoniac |
| US4013718A (en) * | 1970-09-03 | 1977-03-22 | Snam Progetti S.P.A. | Integrated process for the production of urea |
| IT1014987B (it) * | 1974-06-12 | 1977-04-30 | Snam Progetti | Procedimento integrato urea am moniaca |
-
1975
- 1975-03-28 IT IT21778/75A patent/IT1034674B/it active
-
1976
- 1976-01-01 AR AR262729A patent/AR208429A1/es active
- 1976-03-24 ZA ZA761794A patent/ZA761794B/xx unknown
- 1976-03-25 DK DK132476AA patent/DK142361B/da not_active IP Right Cessation
- 1976-03-25 CH CH376076A patent/CH620902A5/it not_active IP Right Cessation
- 1976-03-26 TR TR18737A patent/TR18737A/xx unknown
- 1976-03-26 ES ES446621A patent/ES446621A1/es not_active Expired
- 1976-03-26 HU HU76SA2909A patent/HU179298B/hu unknown
- 1976-03-26 NO NO761071A patent/NO150557C/no unknown
- 1976-03-26 JP JP51032741A patent/JPS51118725A/ja active Pending
- 1976-03-26 BG BG032716A patent/BG28258A3/xx unknown
- 1976-03-26 IE IE647/76A patent/IE43359B1/en unknown
- 1976-03-26 FR FR7608882A patent/FR2305391A1/fr active Granted
- 1976-03-26 DE DE2613102A patent/DE2613102C2/de not_active Expired
- 1976-03-26 BR BR7601880A patent/BR7601880A/pt unknown
- 1976-03-26 PT PT64955A patent/PT64955B/pt unknown
- 1976-03-26 CA CA000249107A patent/CA1120693A/en not_active Expired
- 1976-03-26 BE BE165624A patent/BE840105A/xx not_active IP Right Cessation
- 1976-03-26 SE SE7603707A patent/SE423539B/xx not_active IP Right Cessation
- 1976-03-26 YU YU799/76A patent/YU40644B/xx unknown
- 1976-03-27 PL PL1976188289A patent/PL106566B1/pl unknown
- 1976-03-27 IN IN534/CAL/76A patent/IN144386B/en unknown
- 1976-03-28 CS CS761975A patent/CS238355B2/cs unknown
- 1976-03-28 IL IL49300A patent/IL49300A/xx unknown
- 1976-03-28 EG EG187/76A patent/EG12091A/xx active
- 1976-03-29 LU LU74662A patent/LU74662A1/xx unknown
- 1976-03-29 DD DD192098A patent/DD123594A5/xx unknown
- 1976-03-29 PH PH18270A patent/PH13180A/en unknown
- 1976-03-29 MW MW9/76A patent/MW976A1/xx unknown
- 1976-03-29 GB GB12622/76A patent/GB1520561A/en not_active Expired
- 1976-03-29 NL NLAANVRAGE7603280,A patent/NL169178C/xx not_active IP Right Cessation
- 1976-03-29 ZM ZM37/76A patent/ZM3776A1/xx unknown
-
1980
- 1980-09-04 US US06/184,175 patent/US4320103A/en not_active Expired - Lifetime
-
1981
- 1981-12-30 MY MY68/81A patent/MY8100068A/xx unknown
-
1984
- 1984-11-26 JP JP1984178278U patent/JPS60113340U/ja active Granted
Also Published As
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |