CA1118185A - Combined process for the production of urea and ammonia - Google Patents
Combined process for the production of urea and ammoniaInfo
- Publication number
- CA1118185A CA1118185A CA000298107A CA298107A CA1118185A CA 1118185 A CA1118185 A CA 1118185A CA 000298107 A CA000298107 A CA 000298107A CA 298107 A CA298107 A CA 298107A CA 1118185 A CA1118185 A CA 1118185A
- Authority
- CA
- Canada
- Prior art keywords
- ammonia
- urea
- absorber
- solution
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 94
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 37
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 239000004202 carbamide Substances 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 6
- 238000010521 absorption reaction Methods 0.000 claims abstract description 25
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 17
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 9
- 239000000243 solution Substances 0.000 claims description 35
- 239000007789 gas Substances 0.000 claims description 21
- 239000006096 absorbing agent Substances 0.000 claims description 20
- 239000007864 aqueous solution Substances 0.000 claims description 12
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 11
- 239000001099 ammonium carbonate Substances 0.000 claims description 11
- 235000012501 ammonium carbonate Nutrition 0.000 claims description 11
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims description 9
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 claims description 6
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims description 6
- 238000000354 decomposition reaction Methods 0.000 claims description 5
- 238000004821 distillation Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000004064 recycling Methods 0.000 claims description 2
- 239000010409 thin film Substances 0.000 abstract description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 30
- 229910002092 carbon dioxide Inorganic materials 0.000 description 18
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 6
- 239000001569 carbon dioxide Substances 0.000 description 4
- 239000010408 film Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 208000036366 Sensation of pressure Diseases 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002211 methanization Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 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
- C01C1/0488—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
- Y02P20/50—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)
- Hydrogen, Water And Hydrids (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT20850/77A IT1115610B (it) | 1977-03-03 | 1977-03-03 | Procedimento integrato urea-ammoniaca |
| IT20850A/77 | 1977-03-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1118185A true CA1118185A (en) | 1982-02-16 |
Family
ID=11172995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000298107A Expired CA1118185A (en) | 1977-03-03 | 1978-03-02 | Combined process for the production of urea and ammonia |
Country Status (21)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107215882A (zh) * | 2012-07-13 | 2017-09-29 | 赛尔斯通股份有限公司 | 用于形成氨和固体碳产物的方法和系统 |
| PL413125A1 (pl) | 2015-07-14 | 2017-01-16 | Vts Spółka Z Ograniczoną Odpowiedzialnością | Zawias |
| US10315986B1 (en) * | 2018-04-06 | 2019-06-11 | Solenis Technologies, L.P. | Systems and methods for forming a solution of ammonium carbamate |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1034674B (it) * | 1975-03-28 | 1979-10-10 | Snam Progetti | Processo flessibile intergrato per la produzione di ammoniaca edurea |
-
1977
- 1977-03-03 IT IT20850/77A patent/IT1115610B/it active
-
1978
- 1978-02-17 AU AU33388/78A patent/AU515786B2/en not_active Expired
- 1978-02-24 ES ES468020A patent/ES468020A1/es not_active Expired
- 1978-02-27 CH CH210478A patent/CH639353A5/it not_active IP Right Cessation
- 1978-02-27 NL NL7802158A patent/NL7802158A/xx not_active Application Discontinuation
- 1978-02-28 AR AR271265A patent/AR221480A1/es active
- 1978-02-28 GB GB7962/78A patent/GB1586624A/en not_active Expired
- 1978-02-28 TR TR19994A patent/TR19994A/xx unknown
- 1978-03-01 DK DK92978A patent/DK92978A/da not_active Application Discontinuation
- 1978-03-01 FR FR7805902A patent/FR2382403B1/fr not_active Expired
- 1978-03-01 DE DE2808831A patent/DE2808831C3/de not_active Expired
- 1978-03-01 LU LU79147A patent/LU79147A1/xx unknown
- 1978-03-01 DD DD78203911A patent/DD134087A5/xx unknown
- 1978-03-01 JP JP2215778A patent/JPS53108926A/ja active Granted
- 1978-03-02 PL PL1978205024A patent/PL110971B1/pl unknown
- 1978-03-02 CA CA000298107A patent/CA1118185A/en not_active Expired
- 1978-03-03 CS CS781366A patent/CS219889B2/cs unknown
- 1978-03-03 IE IE448/78A patent/IE46473B1/en unknown
- 1978-03-03 BR BR7801343A patent/BR7801343A/pt unknown
- 1978-03-03 SE SE7802450A patent/SE7802450L/xx unknown
- 1978-03-09 BE BE185665A patent/BE864554A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2808831B2 (de) | 1980-08-14 |
| AU3338878A (en) | 1979-08-23 |
| GB1586624A (en) | 1981-03-25 |
| DE2808831C3 (de) | 1981-04-16 |
| DE2808831A1 (de) | 1978-09-07 |
| FR2382403A1 (enrdf_load_stackoverflow) | 1978-09-29 |
| PL205024A1 (pl) | 1979-03-26 |
| AR221480A1 (es) | 1981-02-13 |
| IT1115610B (it) | 1986-02-03 |
| DK92978A (da) | 1978-09-04 |
| BE864554A (fr) | 1978-09-04 |
| AU515786B2 (en) | 1981-04-30 |
| DD134087A5 (de) | 1979-02-07 |
| JPS53108926A (en) | 1978-09-22 |
| IE780448L (en) | 1978-09-03 |
| LU79147A1 (fr) | 1978-06-27 |
| PL110971B1 (en) | 1980-08-30 |
| CH639353A5 (en) | 1983-11-15 |
| FR2382403B1 (enrdf_load_stackoverflow) | 1981-10-23 |
| ES468020A1 (es) | 1978-12-01 |
| CS219889B2 (en) | 1983-03-25 |
| TR19994A (tr) | 1980-07-01 |
| JPS6324986B2 (enrdf_load_stackoverflow) | 1988-05-23 |
| SE7802450L (sv) | 1978-09-04 |
| IE46473B1 (en) | 1983-06-29 |
| BR7801343A (pt) | 1978-12-12 |
| NL7802158A (nl) | 1978-09-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |