PH11037A - Method of recovering unreacted ammonium carbamate in urea synthesis - Google Patents
Method of recovering unreacted ammonium carbamate in urea synthesisInfo
- Publication number
- PH11037A PH11037A PH15501A PH15501A PH11037A PH 11037 A PH11037 A PH 11037A PH 15501 A PH15501 A PH 15501A PH 15501 A PH15501 A PH 15501A PH 11037 A PH11037 A PH 11037A
- Authority
- PH
- Philippines
- Prior art keywords
- ammonium carbamate
- urea synthesis
- recovering unreacted
- unreacted ammonium
- recovering
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1751873A JPS5535378B2 (es) | 1973-02-14 | 1973-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PH11037A true PH11037A (en) | 1977-10-25 |
Family
ID=11946165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PH15501A PH11037A (en) | 1973-02-14 | 1974-02-12 | Method of recovering unreacted ammonium carbamate in urea synthesis |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US3944605A (es) |
| JP (1) | JPS5535378B2 (es) |
| AR (1) | AR197541A1 (es) |
| AT (1) | AT343670B (es) |
| BR (1) | BR7401038D0 (es) |
| CA (1) | CA1012981A (es) |
| DE (1) | DE2407019B2 (es) |
| EG (1) | EG11283A (es) |
| ES (1) | ES422910A1 (es) |
| FR (1) | FR2217320B1 (es) |
| GB (1) | GB1404115A (es) |
| IN (1) | IN140031B (es) |
| IT (1) | IT1007405B (es) |
| NL (1) | NL162636C (es) |
| PH (1) | PH11037A (es) |
| SU (1) | SU1064863A3 (es) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS555977B2 (es) * | 1974-05-14 | 1980-02-12 | ||
| AR206244A1 (es) * | 1975-05-06 | 1976-07-07 | Mitsui Toatsu Chemicals | Procedimiento para tratar vapor de agua generado al concentrar una solucion acuosa de urea |
| JPS585190B2 (ja) * | 1975-09-22 | 1983-01-29 | 三井東圧化学株式会社 | 尿素合成における未反応物の分離回収方法 |
| JPS5268129A (en) * | 1975-12-05 | 1977-06-06 | Mitsui Toatsu Chem Inc | Recovery of unreacted material and heat on urea synthesis |
| IT1068268B (it) * | 1976-09-09 | 1985-03-21 | Snam Progetti | Procedimento per la produzione di urea e purificazione delle acque |
| JPS5573651A (en) * | 1978-11-30 | 1980-06-03 | Toyo Eng Corp | Preparation of urea |
| JPS5867661A (ja) * | 1981-10-16 | 1983-04-22 | Mitsui Toatsu Chem Inc | 尿素合成法 |
| JPS58217750A (ja) * | 1982-06-14 | 1983-12-17 | Suzuki Motor Co Ltd | 空燃比制御エンジンにおけるアイドルアツプ装置 |
| US5316554A (en) * | 1992-06-03 | 1994-05-31 | Hansen Charles N | Method for processing crystalline ammonium carbamate |
| EP2397463A1 (en) * | 2010-06-16 | 2011-12-21 | Urea Casale SA | Method for revamping a self-stripping urea plant |
| US9863725B1 (en) | 2012-02-29 | 2018-01-09 | The United States Of America As Represented By The Secretary Of The Air Force | Systems and methods for thermal management through use of ammonium carbamate |
| DE102013113980A1 (de) * | 2013-12-12 | 2015-06-18 | Thyssenkrupp Ag | Verfahren zur Herstellung von Ammoniakgas und CO2 für eine Harnstoffsynthese |
| US10315986B1 (en) * | 2018-04-06 | 2019-06-11 | Solenis Technologies, L.P. | Systems and methods for forming a solution of ammonium carbamate |
| JP7277672B2 (ja) | 2019-12-30 | 2023-05-19 | スタミカーボン・ベー・フェー | 尿素仕上げからのアンモニア除去 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3544628A (en) * | 1965-09-20 | 1970-12-01 | Pullman Inc | Urea synthesis |
| US3573173A (en) * | 1968-07-24 | 1971-03-30 | Mitsui Toatsu Chemicals | Process for recovering excess ammonia in urea synthesis by direct contact condensation with liquid ammonia |
-
1973
- 1973-02-14 JP JP1751873A patent/JPS5535378B2/ja not_active Expired
-
1974
- 1974-01-28 US US05/437,360 patent/US3944605A/en not_active Expired - Lifetime
- 1974-02-04 ES ES422910A patent/ES422910A1/es not_active Expired
- 1974-02-06 AR AR252215A patent/AR197541A1/es active
- 1974-02-06 IN IN248/CAL/74A patent/IN140031B/en unknown
- 1974-02-11 CA CA192,194A patent/CA1012981A/en not_active Expired
- 1974-02-11 GB GB606174A patent/GB1404115A/en not_active Expired
- 1974-02-12 FR FR7404688A patent/FR2217320B1/fr not_active Expired
- 1974-02-12 PH PH15501A patent/PH11037A/en unknown
- 1974-02-13 SU SU741998275A patent/SU1064863A3/ru active
- 1974-02-13 BR BR1038/74A patent/BR7401038D0/pt unknown
- 1974-02-13 AT AT114874A patent/AT343670B/de not_active IP Right Cessation
- 1974-02-13 EG EG41/74A patent/EG11283A/xx active
- 1974-02-14 DE DE19742407019 patent/DE2407019B2/de active Granted
- 1974-02-14 NL NL7402055.A patent/NL162636C/xx not_active IP Right Cessation
- 1974-04-08 IT IT20547/74A patent/IT1007405B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5535378B2 (es) | 1980-09-12 |
| IT1007405B (it) | 1976-10-30 |
| NL7402055A (es) | 1974-08-16 |
| AR197541A1 (es) | 1974-04-15 |
| FR2217320A1 (es) | 1974-09-06 |
| GB1404115A (en) | 1975-08-28 |
| ATA114874A (de) | 1977-10-15 |
| AU6495274A (en) | 1975-07-31 |
| DE2407019B2 (de) | 1976-08-19 |
| AT343670B (de) | 1978-06-12 |
| BR7401038D0 (pt) | 1974-09-10 |
| DE2407019A1 (de) | 1974-09-12 |
| JPS49102620A (es) | 1974-09-27 |
| CA1012981A (en) | 1977-06-28 |
| SU1064863A3 (ru) | 1983-12-30 |
| EG11283A (en) | 1977-01-31 |
| ES422910A1 (es) | 1976-05-01 |
| US3944605A (en) | 1976-03-16 |
| NL162636C (nl) | 1980-06-16 |
| FR2217320B1 (es) | 1978-01-06 |
| IN140031B (es) | 1976-09-04 |
| NL162636B (nl) | 1980-01-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MY7600028A (en) | Ureas, thioureas and guanidines | |
| CA965766A (en) | Ammonia synthesis catalyst and process | |
| PH11037A (en) | Method of recovering unreacted ammonium carbamate in urea synthesis | |
| PH13556A (en) | Method of recovering unreacted materials and heat in urea synthesis | |
| PH11618A (en) | Ureas,thioureas and guanides | |
| PH13614A (en) | Process for producing ammonia and urea | |
| ZA743141B (en) | Process for preparing urea from ammonia and carbon dioxide | |
| CS191232B2 (en) | Method of producing 4-/2-nicotinamidoethyl/benzensulphonyl urea | |
| AU479878B2 (en) | Method of recovering unreactted ammonium carbamate in urea synthesis | |
| ZA757617B (en) | Method for the synthesis of ureas | |
| JPS5384918A (en) | Process for preparing urea solution from nh3 and co2 | |
| MY7800058A (en) | Process for recovering urea powder | |
| EG12892A (en) | Improvements in or relating to urea synthesis process | |
| PT65594A (en) | Process for separating and recovering unreacted materials in urea synthesis | |
| CA879729A (en) | Process for recovering excess ammonia in urea synthesis | |
| AU506697B2 (en) | Process fcr recovering unreacted materials in urea synthesis | |
| CA1026374A (en) | Urea synthesis with improved heat recovery and ammonium carbamate recirculation | |
| BR7402824D0 (pt) | Processo de sintese de ureia | |
| MW874A1 (en) | Process for the purification of the solutions leaving a urea synthesis ractor from nh3 and carbamate | |
| AU470498B2 (en) | Process forthe catalytic synthesis of ammonia | |
| CA850690A (en) | Urea synthesis process | |
| ZM14473A1 (en) | Ammonia synthesis | |
| MY7900227A (en) | Formation of ammonium carbamate | |
| CS182261B2 (en) | Strap fastener | |
| IL49998A (en) | Method of formation of ammonium carbamate solution |