CS220318B2 - Method of producing urea - Google Patents
Method of producing urea Download PDFInfo
- Publication number
- CS220318B2 CS220318B2 CS783962A CS286278A CS220318B2 CS 220318 B2 CS220318 B2 CS 220318B2 CS 783962 A CS783962 A CS 783962A CS 286278 A CS286278 A CS 286278A CS 220318 B2 CS220318 B2 CS 220318B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- synthesis
- ammonia
- zone
- carbon dioxide
- reactor
- 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 (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 (1)
| Publication Number | Publication Date |
|---|---|
| CS220318B2 true CS220318B2 (en) | 1983-03-25 |
Family
ID=27452890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS783962A CS220318B2 (en) | 1977-05-05 | 1978-05-04 | Method of producing urea |
Country Status (26)
Families Citing this family (22)
| 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 |
| JPS5867661A (ja) * | 1981-10-16 | 1983-04-22 | Mitsui Toatsu Chem Inc | 尿素合成法 |
| IT1211125B (it) * | 1981-10-16 | 1989-09-29 | Ortu Francesco | Composti azotati. processo per la preparazione di |
| EP0096151B1 (en) * | 1982-06-03 | 1986-07-23 | Montedison S.p.A. | 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 |
| DE3565532D1 (en) * | 1984-05-19 | 1988-11-17 | Ammonia Casale Sa | Process for the preparation of urea |
| 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 |
| JP3987607B2 (ja) | 1996-10-07 | 2007-10-10 | 東洋エンジニアリング株式会社 | 改良された尿素合成方法および装置 |
| 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 |
| CN105246874B (zh) | 2013-05-28 | 2018-06-12 | 东洋工程株式会社 | 尿素合成方法 |
| US10315925B2 (en) | 2014-11-27 | 2019-06-11 | 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 (US08124317-20120228-C00026.png) * | 1960-04-08 | |||
| NL290346A (US08124317-20120228-C00026.png) * | 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. |
| US4036878A (en) * | 1972-06-12 | 1977-07-19 | Unie Van Kunstmestfabrieken, B.V. | Process for preparing urea |
| NL172058C (nl) * | 1972-06-12 | 1983-07-01 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| IT1014987B (it) * | 1974-06-12 | 1977-04-30 | Snam Progetti | Procedimento integrato urea am moniaca |
-
1978
- 1978-04-27 NL NLAANVRAGE7804520,A patent/NL174548C/xx not_active IP Right Cessation
- 1978-04-27 NO NO781486A patent/NO150512C/no unknown
- 1978-04-27 BG BG7839565A patent/BG35038A3/xx unknown
- 1978-04-27 SE SE7804839A patent/SE446978B/sv not_active IP Right Cessation
- 1978-04-28 RO RO7893930A patent/RO78855A/ro unknown
- 1978-04-28 AR AR271955A patent/AR215178A1/es active
- 1978-04-28 JP JP5016378A patent/JPS53149930A/ja active Granted
- 1978-04-28 PH PH14765A patent/PH14765A/en unknown
- 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 IN IN476/CAL/78A patent/IN148481B/en unknown
- 1978-05-02 BR BR7802746A patent/BR7802746A/pt unknown
- 1978-05-02 DE DE19782819218 patent/DE2819218A1/de active Granted
- 1978-05-02 PT PT67972A patent/PT67972B/pt unknown
- 1978-05-02 AT AT0315578A patent/AT363953B/de not_active IP Right Cessation
- 1978-05-02 DD DD78205114A patent/DD135196A5/xx unknown
- 1978-05-03 HU HU78MO1012A patent/HU180880B/hu not_active IP Right Cessation
- 1978-05-03 FR FR7813113A patent/FR2389601B1/fr not_active Expired
- 1978-05-04 GB GB17792/78A patent/GB1581505A/en not_active Expired
- 1978-05-04 ES ES469448A patent/ES469448A1/es not_active Expired
- 1978-05-04 MX MX173336A patent/MX151430A/es unknown
- 1978-05-04 CS CS783962A patent/CS220318B2/cs unknown
- 1978-05-04 CA CA302,604A patent/CA1111446A/en not_active Expired
- 1978-05-04 YU YU1073/78A patent/YU40038B/xx unknown
- 1978-05-05 BE BE187414A patent/BE866730A/xx not_active IP Right Cessation
- 1978-05-05 CH CH490978A patent/CH634553A5/de not_active IP Right Cessation
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