CA975797A - Process for the production of urea from a solution containing ammonium carbamate, ammonia and water, with a total recycle of ammonia and carbon dioxide which were not transformed - Google Patents
Process for the production of urea from a solution containing ammonium carbamate, ammonia and water, with a total recycle of ammonia and carbon dioxide which were not transformedInfo
- Publication number
- CA975797A CA975797A CA069,917A CA69917A CA975797A CA 975797 A CA975797 A CA 975797A CA 69917 A CA69917 A CA 69917A CA 975797 A CA975797 A CA 975797A
- Authority
- CA
- Canada
- Prior art keywords
- ammonia
- urea
- transformed
- production
- carbon dioxide
- 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 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title 2
- 229910021529 ammonia Inorganic materials 0.000 title 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title 1
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 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
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
-
- 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
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Lead Frames For Integrated Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2513168 | 1968-12-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA975797A true CA975797A (en) | 1975-10-07 |
Family
ID=11215793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA069,917A Expired CA975797A (en) | 1968-12-16 | 1969-12-15 | Process for the production of urea from a solution containing ammonium carbamate, ammonia and water, with a total recycle of ammonia and carbon dioxide which were not transformed |
Country Status (19)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016099269A1 (en) | 2014-12-18 | 2016-06-23 | Stamicarbon B.V. | Process for urea production |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE787832A (fr) * | 1971-09-02 | 1973-02-22 | Stamicarbon | Procede pour la preparation d'uree |
| JPS53102724A (en) * | 1977-02-18 | 1978-09-07 | Matsushita Electric Ind Co Ltd | Magnetic head and its manufacture |
| JPS5575833U (enrdf_load_stackoverflow) * | 1978-11-15 | 1980-05-24 | ||
| JPS61109760A (ja) * | 1984-11-02 | 1986-05-28 | Toyo Eng Corp | 尿素製造法 |
-
1969
- 1969-11-14 GB GB56005/69A patent/GB1268430A/en not_active Expired
- 1969-12-08 NL NLAANVRAGE6918420,A patent/NL169465C/xx not_active IP Right Cessation
- 1969-12-09 IE IE1653/69A patent/IE33879B1/xx unknown
- 1969-12-09 ZM ZM176/69A patent/ZM17669A1/xx unknown
- 1969-12-11 YU YU3104/69A patent/YU39894B/xx unknown
- 1969-12-12 AT AT1160069A patent/AT305303B/de not_active IP Right Cessation
- 1969-12-15 DK DK662269A patent/DK145081C/da active
- 1969-12-15 JP JP44100165A patent/JPS4828422B1/ja active Pending
- 1969-12-15 CA CA069,917A patent/CA975797A/en not_active Expired
- 1969-12-15 ES ES374565A patent/ES374565A1/es not_active Expired
- 1969-12-15 DE DE19691962862 patent/DE1962862A1/de active Pending
- 1969-12-15 NO NO4946/69A patent/NO135868C/no unknown
- 1969-12-16 BE BE743187D patent/BE743187A/xx not_active IP Right Cessation
- 1969-12-16 LU LU60025D patent/LU60025A1/xx unknown
- 1969-12-16 RO RO61877A patent/RO59626A/ro unknown
- 1969-12-16 BR BR215202/69A patent/BR6915202D0/pt unknown
- 1969-12-16 CH CH1869269A patent/CH507213A/fr not_active IP Right Cessation
- 1969-12-16 FR FR6943429A patent/FR2026261A1/fr not_active Withdrawn
- 1969-12-16 CS CS8294A patent/CS152343B2/cs unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016099269A1 (en) | 2014-12-18 | 2016-06-23 | Stamicarbon B.V. | Process for urea production |
Also Published As
| Publication number | Publication date |
|---|---|
| NO135868C (enrdf_load_stackoverflow) | 1977-06-15 |
| BE743187A (enrdf_load_stackoverflow) | 1970-05-28 |
| LU60025A1 (enrdf_load_stackoverflow) | 1970-02-16 |
| NO135868B (enrdf_load_stackoverflow) | 1977-03-07 |
| BR6915202D0 (pt) | 1973-03-08 |
| DE1962862A1 (de) | 1970-07-02 |
| ES374565A1 (es) | 1972-01-01 |
| DK145081B (da) | 1982-08-23 |
| JPS4828422B1 (enrdf_load_stackoverflow) | 1973-09-01 |
| NL169465C (nl) | 1982-07-16 |
| IE33879L (en) | 1970-06-16 |
| GB1268430A (en) | 1972-03-29 |
| NL6918420A (enrdf_load_stackoverflow) | 1970-06-18 |
| AT305303B (de) | 1973-02-26 |
| FR2026261A1 (enrdf_load_stackoverflow) | 1970-09-18 |
| CS152343B2 (enrdf_load_stackoverflow) | 1973-12-19 |
| DK145081C (da) | 1983-01-31 |
| NL169465B (nl) | 1982-02-16 |
| IE33879B1 (en) | 1974-11-27 |
| YU310469A (en) | 1982-02-28 |
| RO59626A (enrdf_load_stackoverflow) | 1976-08-15 |
| CH507213A (fr) | 1971-05-15 |
| ZM17669A1 (en) | 1970-05-18 |
| YU39894B (en) | 1985-06-30 |
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