CA1238651A - Method for the combined production of ammonia and urea - Google Patents
Method for the combined production of ammonia and ureaInfo
- Publication number
- CA1238651A CA1238651A CA000439716A CA439716A CA1238651A CA 1238651 A CA1238651 A CA 1238651A CA 000439716 A CA000439716 A CA 000439716A CA 439716 A CA439716 A CA 439716A CA 1238651 A CA1238651 A CA 1238651A
- Authority
- CA
- Canada
- Prior art keywords
- dioxide
- carbon
- solvent
- pressure
- heat
- 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
- 238000000034 method Methods 0.000 title claims abstract description 32
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 16
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 239000004202 carbamide Substances 0.000 title claims abstract description 14
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 116
- 239000002904 solvent Substances 0.000 claims abstract description 60
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 58
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 42
- 238000005406 washing Methods 0.000 claims abstract description 20
- 239000007789 gas Substances 0.000 claims abstract description 17
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 12
- 230000001172 regenerating effect Effects 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 230000008929 regeneration Effects 0.000 claims abstract description 8
- 238000011069 regeneration method Methods 0.000 claims abstract description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000002253 acid Substances 0.000 claims abstract description 5
- 239000001257 hydrogen Substances 0.000 claims abstract description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 5
- 239000000356 contaminant Substances 0.000 claims abstract description 4
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000002918 waste heat Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 238000009849 vacuum degassing Methods 0.000 description 2
- 102000013264 Interleukin-23 Human genes 0.000 description 1
- 108010065637 Interleukin-23 Proteins 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- -1 between 50 and 90% Chemical compound 0.000 description 1
- 229930188620 butyrolactone Natural products 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 229920001223 polyethylene glycol Polymers 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Gas Separation By Absorption (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP3239605.8 | 1982-10-26 | ||
| DE19823239605 DE3239605A1 (de) | 1982-10-26 | 1982-10-26 | Verfahren zur kombinierten herstellung von ammoniak und harnstoff |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1238651A true CA1238651A (en) | 1988-06-28 |
Family
ID=6176634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000439716A Expired CA1238651A (en) | 1982-10-26 | 1983-10-26 | Method for the combined production of ammonia and urea |
Country Status (5)
| Country | Link |
|---|---|
| CA (1) | CA1238651A (enrdf_load_stackoverflow) |
| DE (1) | DE3239605A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2534910B1 (enrdf_load_stackoverflow) |
| IN (1) | IN161573B (enrdf_load_stackoverflow) |
| ZA (1) | ZA837776B (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10351518B2 (en) * | 2015-12-14 | 2019-07-16 | Thyssenkrupp Industrial Solutions Ag | Method for the provision of carbon dioxide for the synthesis of urea |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3401773A1 (de) * | 1984-01-19 | 1985-08-01 | Linde Ag, 6200 Wiesbaden | Verfahren zur abtrennung und gleichzeitigen gewinnung saurer verunreinigungen aus gasgemischen |
| DE3401779A1 (de) * | 1984-01-19 | 1985-08-01 | Linde Ag, 6200 Wiesbaden | Verfahren zur kombinierten herstellung von ammoniak und harnstoff |
| NO874821L (no) * | 1986-12-02 | 1988-06-03 | Norton Co | Fremgangsmaate for aa fjerne karbondioksyd fra en gass. |
| DE10055818A1 (de) | 2000-11-10 | 2002-05-23 | Ammonia Casale Sa | Verfahren zum Herstellen von Ammoniak aus einem Stickstoff-Wasserstoff-Gemisch aus Erdgas |
| DE102016203277A1 (de) | 2016-02-29 | 2017-08-31 | Thyssenkrupp Ag | Integrierte Synthese von Ammoniak und Harnstoff |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1540732A (fr) * | 1966-10-14 | 1968-09-27 | Toyo Koatsu Ind Inc | Procédé de synthèse de l'urée |
| FR1541273A (fr) * | 1966-10-25 | 1968-10-04 | Toyo Koatsu Ind Inc | Procédé de traitement des substances inaltérées de la synthèse de l'urée |
| IT1060622B (it) * | 1976-05-14 | 1982-08-20 | Snam Progetti | Procedimento per la riutilizzazio ne delle acque di processo negli impianti combinati urea e ammoniaca |
-
1982
- 1982-10-26 DE DE19823239605 patent/DE3239605A1/de not_active Withdrawn
-
1983
- 1983-10-19 ZA ZA837776A patent/ZA837776B/xx unknown
- 1983-10-25 FR FR8316960A patent/FR2534910B1/fr not_active Expired
- 1983-10-26 CA CA000439716A patent/CA1238651A/en not_active Expired
- 1983-11-14 IN IN1386/CAL/83A patent/IN161573B/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10351518B2 (en) * | 2015-12-14 | 2019-07-16 | Thyssenkrupp Industrial Solutions Ag | Method for the provision of carbon dioxide for the synthesis of urea |
Also Published As
| Publication number | Publication date |
|---|---|
| IN161573B (enrdf_load_stackoverflow) | 1987-12-26 |
| ZA837776B (en) | 1984-06-27 |
| FR2534910B1 (fr) | 1985-07-19 |
| DE3239605A1 (de) | 1984-04-26 |
| FR2534910A1 (fr) | 1984-04-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |