DE3239605A1 - Verfahren zur kombinierten herstellung von ammoniak und harnstoff - Google Patents
Verfahren zur kombinierten herstellung von ammoniak und harnstoffInfo
- Publication number
- DE3239605A1 DE3239605A1 DE19823239605 DE3239605A DE3239605A1 DE 3239605 A1 DE3239605 A1 DE 3239605A1 DE 19823239605 DE19823239605 DE 19823239605 DE 3239605 A DE3239605 A DE 3239605A DE 3239605 A1 DE3239605 A1 DE 3239605A1
- Authority
- DE
- Germany
- Prior art keywords
- carbon dioxide
- pressure
- solvent
- urea
- bar
- 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.)
- Withdrawn
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 21
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 239000004202 carbamide Substances 0.000 title claims abstract description 18
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title abstract 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 68
- 239000002904 solvent Substances 0.000 claims abstract description 49
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 34
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 34
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 19
- 239000007789 gas Substances 0.000 claims abstract description 19
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 19
- 230000008929 regeneration Effects 0.000 claims abstract description 15
- 238000011069 regeneration method Methods 0.000 claims abstract description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000001257 hydrogen Substances 0.000 claims abstract description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 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
- 238000005406 washing Methods 0.000 claims description 14
- 238000010943 off-gassing Methods 0.000 claims description 8
- 239000002918 waste heat Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000002378 acidificating effect Effects 0.000 claims description 2
- 238000003860 storage Methods 0.000 claims description 2
- 239000000356 contaminant Substances 0.000 claims 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000005201 scrubbing Methods 0.000 abstract description 4
- 239000002253 acid Substances 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 abstract description 3
- 239000011261 inert gas Substances 0.000 abstract 1
- 230000000704 physical effect Effects 0.000 abstract 1
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 238000009849 vacuum degassing Methods 0.000 description 2
- 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
- -1 between 50 and 90% Chemical compound 0.000 description 1
- 229930188620 butyrolactone Natural products 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 150000002170 ethers Chemical class 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
- 239000007788 liquid Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010792 warming 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Gas Separation By Absorption (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19823239605 DE3239605A1 (de) | 1982-10-26 | 1982-10-26 | Verfahren zur kombinierten herstellung von ammoniak und harnstoff |
| ZA837776A ZA837776B (en) | 1982-10-26 | 1983-10-19 | Process for the combined preparation of ammonia and urea |
| FR8316960A FR2534910B1 (fr) | 1982-10-26 | 1983-10-25 | Procede pour realiser la fabrication combinee d'ammoniac et d'uree |
| CA000439716A CA1238651A (en) | 1982-10-26 | 1983-10-26 | Method for the combined production of ammonia and urea |
| IN1386/CAL/83A IN161573B (enrdf_load_stackoverflow) | 1982-10-26 | 1983-11-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19823239605 DE3239605A1 (de) | 1982-10-26 | 1982-10-26 | Verfahren zur kombinierten herstellung von ammoniak und harnstoff |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3239605A1 true DE3239605A1 (de) | 1984-04-26 |
Family
ID=6176634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19823239605 Withdrawn DE3239605A1 (de) | 1982-10-26 | 1982-10-26 | Verfahren zur kombinierten herstellung von ammoniak und harnstoff |
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 (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4690812A (en) * | 1984-01-19 | 1987-09-01 | Linde Aktiengesellschaft | Integrated production of ammonia and urea |
| EP0152755A3 (en) * | 1984-01-19 | 1988-03-23 | Linde Aktiengesellschaft | Process for eliminating and concurrently recuperating acid pollutants contained in gaseous mixtures |
| US7470415B2 (en) | 2000-11-10 | 2008-12-30 | Lurgi Gmbh | Method for producing ammonia on the basis of a nitrogen-hydrogen mixture from natural gas |
| 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 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO874821L (no) * | 1986-12-02 | 1988-06-03 | Norton Co | Fremgangsmaate for aa fjerne karbondioksyd fra en gass. |
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 (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4690812A (en) * | 1984-01-19 | 1987-09-01 | Linde Aktiengesellschaft | Integrated production of ammonia and urea |
| EP0152755A3 (en) * | 1984-01-19 | 1988-03-23 | Linde Aktiengesellschaft | Process for eliminating and concurrently recuperating acid pollutants contained in gaseous mixtures |
| US7470415B2 (en) | 2000-11-10 | 2008-12-30 | Lurgi Gmbh | Method for producing ammonia on the basis of a nitrogen-hydrogen mixture from natural gas |
| DE102015121756A1 (de) | 2015-12-14 | 2017-06-14 | Thyssenkrupp Ag | Verfahren zur Bereitstellung von Kohlendioxid für die Synthese von Harnstoff |
| WO2017102546A1 (de) | 2015-12-14 | 2017-06-22 | Thyssenkrupp Industrial Solutions Ag | Verfahren zur bereitstellung von kohlendioxid für die synthese von harnstoff |
| CN108698985A (zh) * | 2015-12-14 | 2018-10-23 | 蒂森克虏伯工业解决方案股份公司 | 用于供给二氧化碳以合成尿素的方法 |
| US10351518B2 (en) | 2015-12-14 | 2019-07-16 | Thyssenkrupp Industrial Solutions Ag | Method for the provision of carbon dioxide for the synthesis of urea |
| EA036546B1 (ru) * | 2015-12-14 | 2020-11-20 | Тиссенкрупп Индастриал Солюшнз Аг | Способ получения диоксида углерода для синтеза мочевины |
| CN108698985B (zh) * | 2015-12-14 | 2021-05-04 | 蒂森克虏伯工业解决方案股份公司 | 用于供给二氧化碳以合成尿素的方法 |
| DE102016203277A1 (de) | 2016-02-29 | 2017-08-31 | Thyssenkrupp Ag | Integrierte Synthese von Ammoniak und Harnstoff |
| WO2017148870A1 (de) | 2016-02-29 | 2017-09-08 | Thyssenkrupp Industrial Solutions Ag | Integrierte synthese von ammoniak und harnstoff |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA837776B (en) | 1984-06-27 |
| FR2534910B1 (fr) | 1985-07-19 |
| CA1238651A (en) | 1988-06-28 |
| FR2534910A1 (fr) | 1984-04-27 |
| IN161573B (enrdf_load_stackoverflow) | 1987-12-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8139 | Disposal/non-payment of the annual fee |