GB509987A - Process for the treatment of mixtures of urea, water, carbon dioxide and ammonia, produced in the course of the manufacture of urea - Google Patents
Process for the treatment of mixtures of urea, water, carbon dioxide and ammonia, produced in the course of the manufacture of ureaInfo
- Publication number
- GB509987A GB509987A GB35167/38A GB3516738A GB509987A GB 509987 A GB509987 A GB 509987A GB 35167/38 A GB35167/38 A GB 35167/38A GB 3516738 A GB3516738 A GB 3516738A GB 509987 A GB509987 A GB 509987A
- Authority
- GB
- United Kingdom
- Prior art keywords
- urea
- column
- ammonia
- carbon dioxide
- water
- 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 abstract 10
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title abstract 9
- 239000004202 carbamide Substances 0.000 title abstract 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title abstract 8
- 229910021529 ammonia Inorganic materials 0.000 title abstract 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract 5
- 229910001868 water Inorganic materials 0.000 title abstract 5
- 229910002092 carbon dioxide Inorganic materials 0.000 title abstract 4
- 239000001569 carbon dioxide Substances 0.000 title abstract 4
- 239000000203 mixture Substances 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title 1
- 239000007789 gas Substances 0.000 abstract 5
- 230000015572 biosynthetic process Effects 0.000 abstract 3
- 239000007788 liquid Substances 0.000 abstract 2
- 239000000725 suspension Substances 0.000 abstract 2
- 238000003786 synthesis reaction Methods 0.000 abstract 2
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 abstract 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract 1
- 238000013459 approach Methods 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 239000008246 gaseous mixture Substances 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 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
- C07C273/04—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 from carbon dioxide and ammonia
-
- 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
- Y02P20/141—Feedstock
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE207998X | 1938-01-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB509987A true GB509987A (en) | 1939-07-25 |
Family
ID=5793993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB35167/38A Expired GB509987A (en) | 1938-01-06 | 1938-12-02 | Process for the treatment of mixtures of urea, water, carbon dioxide and ammonia, produced in the course of the manufacture of urea |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE431288A (enrdf_load_stackoverflow) |
| CH (1) | CH207998A (enrdf_load_stackoverflow) |
| FR (1) | FR846559A (enrdf_load_stackoverflow) |
| GB (1) | GB509987A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1768600A1 (de) * | 1967-12-14 | 1972-05-04 | Snam Progetti | Verfahren zum Herstellen von Harnstoff |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH326525A (fr) * | 1950-07-26 | 1957-12-31 | Toyo Koatsu Ind Inc | Procédé pour la récupération de l'excédent d'ammoniaque dans la synthèse de l'urée |
| DE1051843B (de) * | 1953-04-22 | 1959-03-05 | Chemical Construction Corp | Verfahren zur Wiedergewinnung von Ammoniak aus einer Harnstoffsyntheseschmelze |
-
1938
- 1938-11-24 FR FR846559D patent/FR846559A/fr not_active Expired
- 1938-11-25 BE BE431288D patent/BE431288A/xx unknown
- 1938-11-25 CH CH207998D patent/CH207998A/fr unknown
- 1938-12-02 GB GB35167/38A patent/GB509987A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1768600A1 (de) * | 1967-12-14 | 1972-05-04 | Snam Progetti | Verfahren zum Herstellen von Harnstoff |
Also Published As
| Publication number | Publication date |
|---|---|
| FR846559A (fr) | 1939-09-20 |
| CH207998A (fr) | 1939-12-31 |
| BE431288A (enrdf_load_stackoverflow) | 1938-12-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1420037A (en) | Process for the simultaneous separation of ethylene oxide and carbon dioxide from the gaseous mixtures obtained in the direct oxidation of ethylene with oxygen | |
| GB884437A (en) | Process for the manufacture of acrylonitrile | |
| ES398710A1 (es) | Procedimiento para el aislamiento de oxido de etileno. | |
| ES398493A1 (es) | Procedimiento para preparar urea a partir de amoniaco y dioxido de carbono. | |
| GB1295742A (enrdf_load_stackoverflow) | ||
| GB509987A (en) | Process for the treatment of mixtures of urea, water, carbon dioxide and ammonia, produced in the course of the manufacture of urea | |
| GB1341497A (en) | Process for the production of urea | |
| ES261242A1 (es) | Un procedimiento para eliminar el cloruro de vinilo del amoniaco reciclizado en la producciën de tilendiamina a base de amoniaco y bicloruro de etileno | |
| ES443998A1 (es) | Procedimiento para el tratamiento de vapor de agua generado al concentrar una solucion acuosa de urea. | |
| US2672398A (en) | Process for the production of cyanogen chloride | |
| GB1381730A (en) | Process for the industrial manufacture of dinitrostilbene disulphonic acid | |
| GB328272A (en) | Improvements in the manufacture and production of potassium nitrate | |
| US2005946A (en) | Method of making acetaldehyde | |
| GB1118911A (en) | Process for the manufacture of hexamethylene diamine | |
| GB1392380A (en) | Oxygen removing process of the raw materials for manufact- uring acrylamide | |
| US1510425A (en) | Process for the production of ethylesters of halogen sulphonic acids | |
| GB345190A (en) | Improvements in or relating to the preparation of chlorine dioxide | |
| GB1204029A (en) | Process for the production of dinitrogen tetroxide | |
| ES378040A1 (es) | Procedimiento para la fabricacion de acido borico. | |
| SU123483A1 (ru) | Способ получени синтетических флокул нтов | |
| GB729757A (en) | Improvements in or relating to the preparation of dichlorohydrin | |
| SU322964A1 (ru) | Способ получени гидроперекиси изопропилбензола | |
| GB664741A (en) | Improvements in or relating to the production of formaldehyde | |
| GB1381149A (en) | Manufacture of cyclohexanol from cyclohexene | |
| GB455865A (en) | Improvements in and apparatus for the separation of carbon dioxide and/or hydrogen sulphide from ammonia |