JPS51128915A - Treatment of vapour generated in concentration of in aqueous urea solu tion - Google Patents
Treatment of vapour generated in concentration of in aqueous urea solu tionInfo
- Publication number
- JPS51128915A JPS51128915A JP50053141A JP5314175A JPS51128915A JP S51128915 A JPS51128915 A JP S51128915A JP 50053141 A JP50053141 A JP 50053141A JP 5314175 A JP5314175 A JP 5314175A JP S51128915 A JPS51128915 A JP S51128915A
- Authority
- JP
- Japan
- Prior art keywords
- concentration
- aqueous urea
- treatment
- solu tion
- vapour generated
- 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.)
- Granted
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Priority Applications (14)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AR261757A AR206244A1 (es) | 1975-05-06 | 1975-01-01 | Procedimiento para tratar vapor de agua generado al concentrar una solucion acuosa de urea |
JP50053141A JPS51128915A (en) | 1975-05-06 | 1975-05-06 | Treatment of vapour generated in concentration of in aqueous urea solu tion |
AU87354/75A AU503462B2 (en) | 1975-05-06 | 1975-12-09 | Treatment of hater vapour generated in urea synthesis |
GB52330/75A GB1509950A (en) | 1975-05-06 | 1975-12-22 | Urea manufacture |
IT30795/75A IT1051981B (it) | 1975-05-06 | 1975-12-24 | Trattamento di vapore d acqua generato nella concentrazione di una soluzione acquosa di urea |
NO754403A NO150115C (no) | 1975-05-06 | 1975-12-29 | Fremgangsmaate ved behandling av damper utviklet ved konsentrering av en vandig ureaopploesning |
BR8676/75A BR7508676A (pt) | 1975-05-06 | 1975-12-29 | Aperfeicoamento em processo para tratamento de vapor d'agua gerado na concentracao de uma solucao aquosa de ureia |
NLAANVRAGE7515175,A NL172950C (nl) | 1975-05-06 | 1975-12-30 | Werkwijze voor het bereiden van ureum. |
DE2559112A DE2559112C3 (de) | 1975-05-06 | 1975-12-30 | Verfahren zur Rückgewinnung von Ammoniak und Kohlendioxid aus Wasserdampf, der beim Konzentrieren einer wässrigen Harnstofflösung erhalten wird |
FR7540353A FR2310343A1 (fr) | 1975-05-06 | 1975-12-31 | Traitement de la vapeur d'eau engendree lors de la concentration d'une solution aqueuse d'uree |
ES443998A ES443998A1 (es) | 1975-05-06 | 1975-12-31 | Procedimiento para el tratamiento de vapor de agua generado al concentrar una solucion acuosa de urea. |
US05/651,569 US4207256A (en) | 1975-05-06 | 1976-01-22 | Treatment of water vapor generated in concentrating an aqueous urea solution |
CA246,285A CA1064051A (en) | 1975-05-06 | 1976-02-19 | Treatment of water vapor generated in concentrating an aqueous urea solution |
EG150/76A EG12001A (en) | 1975-05-06 | 1976-03-14 | Treatment of water vapor generated in concentrating an aqueous urea solution |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50053141A JPS51128915A (en) | 1975-05-06 | 1975-05-06 | Treatment of vapour generated in concentration of in aqueous urea solu tion |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS51128915A true JPS51128915A (en) | 1976-11-10 |
JPS5243620B2 JPS5243620B2 (ja) | 1977-11-01 |
Family
ID=12934538
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50053141A Granted JPS51128915A (en) | 1975-05-06 | 1975-05-06 | Treatment of vapour generated in concentration of in aqueous urea solu tion |
Country Status (14)
Country | Link |
---|---|
US (1) | US4207256A (ja) |
JP (1) | JPS51128915A (ja) |
AR (1) | AR206244A1 (ja) |
AU (1) | AU503462B2 (ja) |
BR (1) | BR7508676A (ja) |
CA (1) | CA1064051A (ja) |
DE (1) | DE2559112C3 (ja) |
EG (1) | EG12001A (ja) |
ES (1) | ES443998A1 (ja) |
FR (1) | FR2310343A1 (ja) |
GB (1) | GB1509950A (ja) |
IT (1) | IT1051981B (ja) |
NL (1) | NL172950C (ja) |
NO (1) | NO150115C (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
JPS5797400A (en) * | 1980-12-09 | 1982-06-17 | Mitsubishi Electric Corp | Speed controlling device for motor driven generator |
NL8303888A (nl) * | 1983-11-13 | 1985-06-03 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
RU2113636C1 (ru) * | 1997-06-16 | 1998-06-20 | Сергей Анатольевич Попов | Насосно-эжекторная установка (варианты) |
CN109516932B (zh) * | 2018-12-19 | 2024-04-12 | 安徽节源环保科技有限公司 | 一种尿素装置节能改造的工艺系统 |
DE102019208859A1 (de) * | 2019-06-18 | 2020-12-24 | Skw Stickstoffwerke Piesteritz Gmbh | Verfahren zur kontinuierlichen Herstellung reiner Harnstofflösungen durch Verwertung von Prozesswasser |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1248639B (ja) * | 1959-07-03 | |||
GB948786A (en) * | 1959-10-23 | 1964-02-05 | Toyo Koatsu Ind Inc | An improvement in synthesis of urea |
US3232983A (en) * | 1960-01-08 | 1966-02-01 | Pullman Inc | Urea synthesis |
NL137130C (ja) * | 1966-01-20 | 1900-01-01 | ||
US3636106A (en) * | 1968-09-12 | 1972-01-18 | Chemical Construction Corp | Process for urea synthesis |
US3668250A (en) * | 1969-08-19 | 1972-06-06 | Chemical Construction Corp | Urea synthesis process |
US3711544A (en) * | 1970-04-20 | 1973-01-16 | Lummus Co | Heat recovery in urea synthesis |
US3932504A (en) * | 1970-05-19 | 1976-01-13 | Vulcan-Cincinnati, Inc. | Urea manufacture |
US3824283A (en) * | 1970-11-02 | 1974-07-16 | Chemical Construction Corp | Urea synthesis process |
JPS5535378B2 (ja) * | 1973-02-14 | 1980-09-12 | ||
US3922222A (en) * | 1973-02-20 | 1975-11-25 | Cf Ind | Method for treatment of urea crystallizer condensate |
-
1975
- 1975-01-01 AR AR261757A patent/AR206244A1/es active
- 1975-05-06 JP JP50053141A patent/JPS51128915A/ja active Granted
- 1975-12-09 AU AU87354/75A patent/AU503462B2/en not_active Expired
- 1975-12-22 GB GB52330/75A patent/GB1509950A/en not_active Expired
- 1975-12-24 IT IT30795/75A patent/IT1051981B/it active
- 1975-12-29 NO NO754403A patent/NO150115C/no unknown
- 1975-12-29 BR BR8676/75A patent/BR7508676A/pt unknown
- 1975-12-30 DE DE2559112A patent/DE2559112C3/de not_active Expired
- 1975-12-30 NL NLAANVRAGE7515175,A patent/NL172950C/xx not_active IP Right Cessation
- 1975-12-31 FR FR7540353A patent/FR2310343A1/fr active Granted
- 1975-12-31 ES ES443998A patent/ES443998A1/es not_active Expired
-
1976
- 1976-01-22 US US05/651,569 patent/US4207256A/en not_active Expired - Lifetime
- 1976-02-19 CA CA246,285A patent/CA1064051A/en not_active Expired
- 1976-03-14 EG EG150/76A patent/EG12001A/xx active
Also Published As
Publication number | Publication date |
---|---|
NL172950C (nl) | 1983-11-16 |
AU503462B2 (en) | 1979-09-06 |
FR2310343B1 (ja) | 1980-09-19 |
CA1064051A (en) | 1979-10-09 |
AR206244A1 (es) | 1976-07-07 |
US4207256A (en) | 1980-06-10 |
DE2559112A1 (de) | 1976-11-11 |
JPS5243620B2 (ja) | 1977-11-01 |
ES443998A1 (es) | 1977-04-16 |
IT1051981B (it) | 1981-05-20 |
NL7515175A (nl) | 1976-11-09 |
NO150115B (no) | 1984-05-14 |
GB1509950A (en) | 1978-05-10 |
DE2559112B2 (de) | 1978-10-19 |
FR2310343A1 (fr) | 1976-12-03 |
BR7508676A (pt) | 1976-11-09 |
EG12001A (en) | 1978-06-30 |
AU8735475A (en) | 1977-06-23 |
DE2559112C3 (de) | 1979-06-13 |
NO150115C (no) | 1984-08-22 |
NO754403L (ja) | 1976-11-09 |
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