AT245577B - Process for recycling unreacted carbamate in urea synthesis from ammonia and carbon dioxide - Google Patents
Process for recycling unreacted carbamate in urea synthesis from ammonia and carbon dioxideInfo
- Publication number
- AT245577B AT245577B AT144963A AT144963A AT245577B AT 245577 B AT245577 B AT 245577B AT 144963 A AT144963 A AT 144963A AT 144963 A AT144963 A AT 144963A AT 245577 B AT245577 B AT 245577B
- Authority
- AT
- Austria
- Prior art keywords
- ammonia
- carbon dioxide
- urea synthesis
- recycling unreacted
- unreacted carbamate
- Prior art date
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title 2
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 title 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title 1
- 229910021529 ammonia Inorganic materials 0.000 title 1
- 230000015572 biosynthetic process Effects 0.000 title 1
- 239000004202 carbamide Substances 0.000 title 1
- 229910002092 carbon dioxide Inorganic materials 0.000 title 1
- 239000001569 carbon dioxide Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000004064 recycling Methods 0.000 title 1
- 238000003786 synthesis reaction Methods 0.000 title 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 |
|---|---|---|---|
| IT402162 | 1962-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT245577B true AT245577B (en) | 1966-03-10 |
Family
ID=11112033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT144963A AT245577B (en) | 1962-02-28 | 1963-02-25 | Process for recycling unreacted carbamate in urea synthesis from ammonia and carbon dioxide |
Country Status (3)
| Country | Link |
|---|---|
| AT (1) | AT245577B (en) |
| DE (1) | DE1468245A1 (en) |
| ES (1) | ES285555A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PH12569A (en) * | 1970-09-03 | 1979-06-20 | Snam Progetti | Process for producing urea |
| JPS5517346A (en) * | 1978-07-24 | 1980-02-06 | Toyo Eng Corp | Synthetic method of urea |
| EP0306614B1 (en) * | 1987-05-15 | 1992-09-23 | Ammonia Casale S.A. | Improvements of processes and plants for the production of urea |
-
1963
- 1963-02-23 DE DE19631468245 patent/DE1468245A1/en active Pending
- 1963-02-25 AT AT144963A patent/AT245577B/en active
- 1963-02-27 ES ES0285555A patent/ES285555A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES285555A1 (en) | 1963-08-01 |
| DE1468245A1 (en) | 1968-12-19 |
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