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
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 70
- 239000007789 gas Substances 0.000 description 25
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 22
- 239000004202 carbamide Substances 0.000 description 22
- 229910021529 ammonia Inorganic materials 0.000 description 21
- 230000015572 biosynthetic process Effects 0.000 description 17
- 238000003786 synthesis reaction Methods 0.000 description 17
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 13
- 238000000034 method Methods 0.000 description 13
- 239000000243 solution Substances 0.000 description 12
- 239000006096 absorbing agent Substances 0.000 description 11
- 238000010521 absorption reaction Methods 0.000 description 10
- 239000000203 mixture Substances 0.000 description 10
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 9
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 9
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 7
- 235000011114 ammonium hydroxide Nutrition 0.000 description 7
- 230000000295 complement effect Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 description 4
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 4
- 238000002407 reforming Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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 in the gas phase
- C01C1/0405—Preparation of ammonia by synthesis in the gas phase 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 in the gas phase
- C01C1/0405—Preparation of ammonia by synthesis in the gas phase 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
-
- 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 (en, 2012) | 1980-12-31 |
Family
ID=11186718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH376076A CH620902A5 (en, 2012) | 1975-03-28 | 1976-03-25 |
Country Status (34)
| Country | Link |
|---|---|
| US (1) | US4320103A (en, 2012) |
| JP (2) | JPS51118725A (en, 2012) |
| AR (1) | AR208429A1 (en, 2012) |
| BE (1) | BE840105A (en, 2012) |
| BG (1) | BG28258A3 (en, 2012) |
| BR (1) | BR7601880A (en, 2012) |
| CA (1) | CA1120693A (en, 2012) |
| CH (1) | CH620902A5 (en, 2012) |
| CS (1) | CS238355B2 (en, 2012) |
| DD (1) | DD123594A5 (en, 2012) |
| DE (1) | DE2613102C2 (en, 2012) |
| DK (1) | DK142361B (en, 2012) |
| EG (1) | EG12091A (en, 2012) |
| ES (1) | ES446621A1 (en, 2012) |
| FR (1) | FR2305391A1 (en, 2012) |
| GB (1) | GB1520561A (en, 2012) |
| HU (1) | HU179298B (en, 2012) |
| IE (1) | IE43359B1 (en, 2012) |
| IL (1) | IL49300A (en, 2012) |
| IN (1) | IN144386B (en, 2012) |
| IT (1) | IT1034674B (en, 2012) |
| LU (1) | LU74662A1 (en, 2012) |
| MW (1) | MW976A1 (en, 2012) |
| MY (1) | MY8100068A (en, 2012) |
| NL (1) | NL169178C (en, 2012) |
| NO (1) | NO150557C (en, 2012) |
| PH (1) | PH13180A (en, 2012) |
| PL (1) | PL106566B1 (en, 2012) |
| PT (1) | PT64955B (en, 2012) |
| SE (1) | SE423539B (en, 2012) |
| TR (1) | TR18737A (en, 2012) |
| YU (1) | YU40644B (en, 2012) |
| ZA (1) | ZA761794B (en, 2012) |
| ZM (1) | ZM3776A1 (en, 2012) |
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) |
| RU2564308C1 (ru) * | 2011-12-15 | 2015-09-27 | Мицубиси Хеви Индастриз, Лтд. | Способ эксплуатации промышленной установки по производству мочевины, содержащей несколько систем |
| EP2867484B1 (en) | 2012-06-27 | 2020-02-12 | Grannus, LLC | Polygeneration production of power and fertilizer through emissions capture |
| EP3383794A4 (en) | 2015-12-04 | 2019-04-17 | Grannus, LLC | POLYGENERATION HYDROGEN PRODUCTION FOR USE IN VARIOUS 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 (en, 2012) * | 1969-02-08 | 1973-09-18 | ||
| JPS496297B1 (en, 2012) * | 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 DE DE2613102A patent/DE2613102C2/de not_active Expired
- 1976-03-26 IE IE647/76A patent/IE43359B1/en unknown
- 1976-03-26 PT PT64955A patent/PT64955B/pt unknown
- 1976-03-26 ES ES446621A patent/ES446621A1/es not_active Expired
- 1976-03-26 YU YU799/76A patent/YU40644B/xx unknown
- 1976-03-26 BG BG032716A patent/BG28258A3/xx unknown
- 1976-03-26 BE BE165624A patent/BE840105A/xx not_active IP Right Cessation
- 1976-03-26 JP JP51032741A patent/JPS51118725A/ja active Pending
- 1976-03-26 FR FR7608882A patent/FR2305391A1/fr active Granted
- 1976-03-26 SE SE7603707A patent/SE423539B/xx not_active IP Right Cessation
- 1976-03-26 HU HU76SA2909A patent/HU179298B/hu unknown
- 1976-03-26 NO NO761071A patent/NO150557C/no unknown
- 1976-03-26 CA CA000249107A patent/CA1120693A/en not_active Expired
- 1976-03-26 TR TR18737A patent/TR18737A/xx unknown
- 1976-03-26 BR BR7601880A patent/BR7601880A/pt unknown
- 1976-03-27 PL PL1976188289A patent/PL106566B1/pl unknown
- 1976-03-27 IN IN534/CAL/76A patent/IN144386B/en unknown
- 1976-03-28 IL IL49300A patent/IL49300A/xx unknown
- 1976-03-28 CS CS761975A patent/CS238355B2/cs unknown
- 1976-03-28 EG EG187/76A patent/EG12091A/xx active
- 1976-03-29 LU LU74662A patent/LU74662A1/xx unknown
- 1976-03-29 PH PH18270A patent/PH13180A/en unknown
- 1976-03-29 GB GB12622/76A patent/GB1520561A/en not_active Expired
- 1976-03-29 ZM ZM37/76A patent/ZM3776A1/xx unknown
- 1976-03-29 NL NLAANVRAGE7603280,A patent/NL169178C/xx not_active IP Right Cessation
- 1976-03-29 DD DD192098A patent/DD123594A5/xx unknown
- 1976-03-29 MW MW9/76A patent/MW976A1/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 |