IL27801A - Process for the manufacture of urea - Google Patents
Process for the manufacture of ureaInfo
- Publication number
- IL27801A IL27801A IL27801A IL2780167A IL27801A IL 27801 A IL27801 A IL 27801A IL 27801 A IL27801 A IL 27801A IL 2780167 A IL2780167 A IL 2780167A IL 27801 A IL27801 A IL 27801A
- Authority
- IL
- Israel
- Prior art keywords
- urea
- molar
- ratio
- ammonium carbamate
- solution
- Prior art date
Links
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)
- Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL666605483A NL148878B (nl) | 1966-04-22 | 1966-04-22 | Werkwijze voor de continue bereiding van ureum. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IL27801A true IL27801A (en) | 1970-08-19 |
Family
ID=19796380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL27801A IL27801A (en) | 1966-04-22 | 1967-04-16 | Process for the manufacture of urea |
Country Status (15)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PH12569A (en) * | 1970-09-03 | 1979-06-20 | Snam Progetti | Process for producing urea |
| JPS531967U (enrdf_load_stackoverflow) * | 1976-06-24 | 1978-01-10 |
-
1966
- 1966-04-22 NL NL666605483A patent/NL148878B/xx not_active IP Right Cessation
-
1967
- 1967-04-16 IL IL27801A patent/IL27801A/en unknown
- 1967-04-17 AT AT357967A patent/AT273152B/de active
- 1967-04-18 CH CH546567A patent/CH487854A/de not_active IP Right Cessation
- 1967-04-19 DE DE1643065A patent/DE1643065B2/de not_active Withdrawn
- 1967-04-19 GB GB18051/67A patent/GB1160030A/en not_active Expired
- 1967-04-20 DK DK215967AA patent/DK116865B/da not_active IP Right Cessation
- 1967-04-20 JP JP42025394A patent/JPS4925253B1/ja active Pending
- 1967-04-21 FI FI671184A patent/FI46064C/fi active
- 1967-04-21 BE BE697348D patent/BE697348A/xx not_active IP Right Cessation
- 1967-04-21 ES ES339600A patent/ES339600A1/es not_active Expired
- 1967-04-21 CS CS292267A patent/CS157019B2/cs unknown
- 1967-04-21 NO NO167829A patent/NO123524B/no unknown
- 1967-04-21 OA OA52910A patent/OA02416A/xx unknown
- 1967-04-23 GR GR670136579A patent/GR36579B/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES339600A1 (es) | 1968-07-16 |
| FI46064B (enrdf_load_stackoverflow) | 1972-08-31 |
| FI46064C (fi) | 1972-12-11 |
| NL6605483A (enrdf_load_stackoverflow) | 1967-10-23 |
| GB1160030A (en) | 1969-07-30 |
| JPS4925253B1 (enrdf_load_stackoverflow) | 1974-06-28 |
| CS157019B2 (enrdf_load_stackoverflow) | 1974-08-23 |
| CH487854A (de) | 1970-03-31 |
| NO123524B (enrdf_load_stackoverflow) | 1971-12-06 |
| DE1643065A1 (de) | 1971-04-15 |
| NL148878B (nl) | 1976-03-15 |
| DK116865B (da) | 1970-02-23 |
| OA02416A (fr) | 1970-05-05 |
| GR36579B (el) | 1969-02-21 |
| AT273152B (de) | 1969-08-11 |
| BE697348A (enrdf_load_stackoverflow) | 1967-10-02 |
| DE1643065B2 (de) | 1976-01-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0155735B1 (en) | Process for the preparation of urea | |
| US3356723A (en) | Preparation of urea | |
| US4321410A (en) | Method of stripping unreacted materials in urea synthesis process | |
| US4208347A (en) | Process for the synthesis of urea | |
| US10501407B2 (en) | Urea manufacturing method and urea manufacturing apparatus | |
| CN109070043B (zh) | 在控制缩二脲的情况下的尿素生产 | |
| US3867442A (en) | Process for preparing urea | |
| US3036891A (en) | Process for the production of water of hydrogen having an increased deuterium content | |
| CN115916745B (zh) | 热汽提尿素装置和方法 | |
| HU188717B (en) | Method for removing the urea, ammonia and carbon dioxide from lean aqueous solution | |
| BR112019010088B1 (pt) | Um processo para a produção integrada de ureia e ureia-nitrato de amônio | |
| EP3233792B1 (en) | Process for urea production | |
| US4433146A (en) | Process for the preparation of melamine | |
| US4066693A (en) | Process for the preparation of urea | |
| US2701262A (en) | Urea purification | |
| US3446601A (en) | Device for preparing urea | |
| CA2779841C (en) | A urea stripping process for the production of urea | |
| US3957868A (en) | Process for preparing urea from ammonia and carbon dioxide | |
| US4001320A (en) | Method for controlling the ammonia and CO2 ratios in a urea manufacturing process | |
| IL27801A (en) | Process for the manufacture of urea | |
| EP1289943B1 (en) | Process for decomposing a carbamate aqueous solution coming from the urea recovery section of a urea production plant | |
| US2760979A (en) | Process for manufacturing ethylenediamine hydrochloride | |
| GB2087381A (en) | Urea production | |
| US20230265051A1 (en) | Urea production process and plant with parallel mp units | |
| US4082797A (en) | Method for the condensation of carbammate in urea-synthesis installations |