JPS53149930A - Improved method of synthesizing urea - Google Patents
Improved method of synthesizing ureaInfo
- Publication number
- JPS53149930A JPS53149930A JP5016378A JP5016378A JPS53149930A JP S53149930 A JPS53149930 A JP S53149930A JP 5016378 A JP5016378 A JP 5016378A JP 5016378 A JP5016378 A JP 5016378A JP S53149930 A JPS53149930 A JP S53149930A
- Authority
- JP
- Japan
- Prior art keywords
- improved method
- synthesizing urea
- synthesizing
- urea
- improved
- 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
-
- 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 (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2321477A IT1107738B (it) | 1977-05-05 | 1977-05-05 | Procedimento per la sintesi dell'urea e impianto per il medesimo |
IT2321377A IT1107736B (it) | 1977-05-05 | 1977-05-05 | Processo per la sintesi dell'urea |
IT2371077A IT1109458B (it) | 1977-05-18 | 1977-05-18 | Processo per la sintesi dell'urea |
IT2371177A IT1107739B (it) | 1977-05-18 | 1977-05-18 | Procedimento per la sintesi dell'urea e impianto per il medesimo |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53149930A true JPS53149930A (en) | 1978-12-27 |
JPS6125025B2 JPS6125025B2 (ja) | 1986-06-13 |
Family
ID=27452890
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5016378A Granted JPS53149930A (en) | 1977-05-05 | 1978-04-28 | Improved method of synthesizing urea |
Country Status (26)
Country | Link |
---|---|
US (1) | US4208347A (ja) |
JP (1) | JPS53149930A (ja) |
AR (1) | AR215178A1 (ja) |
AT (1) | AT363953B (ja) |
BE (1) | BE866730A (ja) |
BG (1) | BG35038A3 (ja) |
BR (1) | BR7802746A (ja) |
CA (1) | CA1111446A (ja) |
CH (1) | CH634553A5 (ja) |
CS (1) | CS220318B2 (ja) |
DD (1) | DD135196A5 (ja) |
DE (1) | DE2819218A1 (ja) |
ES (1) | ES469448A1 (ja) |
FR (1) | FR2389601B1 (ja) |
GB (1) | GB1581505A (ja) |
HU (1) | HU180880B (ja) |
IL (1) | IL54613A (ja) |
IN (1) | IN148481B (ja) |
MX (1) | MX151430A (ja) |
NL (1) | NL174548C (ja) |
NO (1) | NO150512C (ja) |
PH (1) | PH14765A (ja) |
PT (1) | PT67972B (ja) |
RO (1) | RO78855A (ja) |
SE (1) | SE446978B (ja) |
YU (1) | YU40038B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5936122A (en) * | 1996-10-07 | 1999-08-10 | Toyo Engineering Corporation | Urea synthesis process and apparatus therefor |
US9890114B2 (en) | 2013-05-28 | 2018-02-13 | Toyo Engineering Corporation | Urea synthesis method |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1174366B (it) * | 1978-07-24 | 1987-07-01 | Ortu Francesco | Decompositore di carbammato per produzione industriale di urea |
JPS5573651A (en) * | 1978-11-30 | 1980-06-03 | Toyo Eng Corp | Preparation of urea |
JPS5811432B2 (ja) * | 1979-10-08 | 1983-03-02 | 三井東圧化学株式会社 | 尿素合成法 |
IT1141030B (it) * | 1980-08-29 | 1986-10-01 | Snam Progetti | Procedimento per la produzione di urea |
IT1211125B (it) * | 1981-10-16 | 1989-09-29 | Ortu Francesco | Composti azotati. processo per la preparazione di |
JPS5867661A (ja) * | 1981-10-16 | 1983-04-22 | Mitsui Toatsu Chem Inc | 尿素合成法 |
DE3364579D1 (en) * | 1982-06-03 | 1986-08-28 | Montedison Spa | Method for avoiding the corrosion of strippers in urea manufacturing plants |
IT1212524B (it) | 1982-06-08 | 1989-11-30 | Montedison Spa | Procedimento perfezionato per il trasferimento, dalla fase liquida alla fase gassosa, dell'ammoniaca in eccesso contenuta in soluzioni acquose di urea. |
IT1163783B (it) * | 1983-07-14 | 1987-04-08 | Montedison Spa | Processo per la produzione di urea con bassi consumi di vapore |
EP0180704B1 (fr) * | 1984-05-19 | 1988-10-12 | Ammonia Casale S.A. | Procédé perfectionné pour la production de l'urée |
JPH082859B2 (ja) * | 1987-02-24 | 1996-01-17 | 東洋エンジニアリング株式会社 | 尿素製造方法 |
IT1245396B (it) * | 1991-03-22 | 1994-09-20 | Snam Progetti | Procedimento per la produzione di urea ad elevata efficienza energetica |
JPH08191534A (ja) * | 1995-01-06 | 1996-07-23 | Daido Denki Kogyo Kk | マニピュレータ工法態様の配電用引留クランプ |
IT1274362B (it) * | 1995-02-16 | 1997-07-17 | Snam Progetti | Procedimento ad alta resa per la sintesi dell'urea |
IT1275451B (it) * | 1995-06-30 | 1997-08-07 | Snam Progetti | Procedimento per la sintesi dell'urea comprendente due separate zone di reazione |
US7687041B2 (en) * | 2008-02-27 | 2010-03-30 | Kellogg Brown & Root Llc | Apparatus and methods for urea production |
ITMI20110804A1 (it) | 2011-05-10 | 2012-11-11 | Saipem Spa | "processo ad alta resa per la sintesi dell'urea" |
ITMI20120013A1 (it) | 2012-01-09 | 2013-07-10 | Saipem Spa | Procedimento per la sintesi di urea comprendente un flusso di passivazione a fondo stripper |
EP3224223B1 (en) * | 2014-11-27 | 2019-04-24 | Stamicarbon B.V. | Method and plant for producing urea-ammonium nitrate (uan) |
CN107834017B (zh) * | 2017-11-02 | 2024-03-19 | 利信(江苏)能源科技有限责任公司 | 锂电池等压注液装置及其注液方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3049563A (en) * | 1957-04-05 | 1962-08-14 | Sxpaf | |
NL101446C (ja) * | 1960-04-08 | |||
BE629821A (ja) * | 1962-03-22 | 1900-01-01 | ||
US4001320A (en) * | 1966-04-22 | 1977-01-04 | Stamicarbon B.V. | Method for controlling the ammonia and CO2 ratios in a urea manufacturing process |
AT290545B (de) * | 1967-09-29 | 1971-06-11 | Snam Progetti | Verfahren zur Herstellung von Harnstoff mit niedrigem Carbamatgehalt |
AT284138B (de) * | 1968-02-06 | 1970-09-10 | Snam Progetti | Verfahren zur Herstellung von Harnstoff |
BE757274A (fr) * | 1969-10-16 | 1971-03-16 | Snam Progetti | Procede de production d'uree |
US3984469A (en) * | 1969-10-16 | 1976-10-05 | Snam Progetti S.P.A. | Process for the production of urea |
US4013718A (en) * | 1970-09-03 | 1977-03-22 | Snam Progetti S.P.A. | Integrated process for the production of urea |
NL168506C (nl) * | 1970-12-31 | 1982-04-16 | Stamicarbon | Werkwijze voor de bereiding van ureum. |
NL172058C (nl) * | 1972-06-12 | 1983-07-01 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
US4036878A (en) * | 1972-06-12 | 1977-07-19 | Unie Van Kunstmestfabrieken, B.V. | Process for preparing urea |
IT1014987B (it) * | 1974-06-12 | 1977-04-30 | Snam Progetti | Procedimento integrato urea am moniaca |
-
1978
- 1978-04-27 SE SE7804839A patent/SE446978B/sv not_active IP Right Cessation
- 1978-04-27 NO NO781486A patent/NO150512C/no unknown
- 1978-04-27 NL NLAANVRAGE7804520,A patent/NL174548C/xx not_active IP Right Cessation
- 1978-04-27 BG BG7839565A patent/BG35038A3/xx unknown
- 1978-04-28 RO RO7893930A patent/RO78855A/ro unknown
- 1978-04-28 JP JP5016378A patent/JPS53149930A/ja active Granted
- 1978-04-28 PH PH14765A patent/PH14765A/en unknown
- 1978-04-28 AR AR271955A patent/AR215178A1/es active
- 1978-05-01 IL IL54613A patent/IL54613A/xx not_active IP Right Cessation
- 1978-05-01 US US05/901,816 patent/US4208347A/en not_active Expired - Lifetime
- 1978-05-02 DD DD78205114A patent/DD135196A5/xx unknown
- 1978-05-02 BR BR7802746A patent/BR7802746A/pt unknown
- 1978-05-02 AT AT0315578A patent/AT363953B/de not_active IP Right Cessation
- 1978-05-02 PT PT67972A patent/PT67972B/pt unknown
- 1978-05-02 DE DE19782819218 patent/DE2819218A1/de active Granted
- 1978-05-02 IN IN476/CAL/78A patent/IN148481B/en unknown
- 1978-05-03 FR FR7813113A patent/FR2389601B1/fr not_active Expired
- 1978-05-03 HU HU78MO1012A patent/HU180880B/hu not_active IP Right Cessation
- 1978-05-04 CA CA302,604A patent/CA1111446A/en not_active Expired
- 1978-05-04 CS CS783962A patent/CS220318B2/cs unknown
- 1978-05-04 ES ES469448A patent/ES469448A1/es not_active Expired
- 1978-05-04 MX MX173336A patent/MX151430A/es unknown
- 1978-05-04 GB GB17792/78A patent/GB1581505A/en not_active Expired
- 1978-05-04 YU YU1073/78A patent/YU40038B/xx unknown
- 1978-05-05 CH CH490978A patent/CH634553A5/de not_active IP Right Cessation
- 1978-05-05 BE BE187414A patent/BE866730A/xx not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5936122A (en) * | 1996-10-07 | 1999-08-10 | Toyo Engineering Corporation | Urea synthesis process and apparatus therefor |
US9890114B2 (en) | 2013-05-28 | 2018-02-13 | Toyo Engineering Corporation | Urea synthesis method |
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