FR2308615A1 - Procede de condensation de carbamate dans les installations de synthese de l'uree - Google Patents

Procede de condensation de carbamate dans les installations de synthese de l'uree

Info

Publication number: FR2308615A1
Authority: FR; France
Prior art keywords: condensation process; urea synthesis; synthesis plants; carbamate condensation; carbamate
Prior art date: 1975-04-23
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

Application number

FR7611952A

Other languages

English (en)

Other versions

FR2308615B1 (fr

Inventor

Umberto Zardi

Vincenzo Lagana

Andrea Bonetti

Giorgio Schmid

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

SnamProgetti SpA

Original Assignee

SnamProgetti SpA

Priority date (The priority date 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 date listed.)

1975-04-23

Filing date

1976-04-22

Publication date

1976-11-19

1975-04-23 Priority claimed from IT2261575A external-priority patent/IT1037576B/it

1976-04-22 Application filed by SnamProgetti SpA filed Critical SnamProgetti SpA

1976-11-19 Publication of FR2308615A1 publication Critical patent/FR2308615A1/fr

1979-04-20 Application granted granted Critical

1979-04-20 Publication of FR2308615B1 publication Critical patent/FR2308615B1/fr

Status Granted legal-status Critical Current

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)

FR7611952A 1975-04-23 1976-04-22 Procede de condensation de carbamate dans les installations de synthese de l'uree Granted FR2308615A1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
IT2261575A IT1037576B (it)	1975-04-23	1975-04-23	Procedimento per la condensazione del carbammato in impianti di sintesi dell urea
AU15623/76A AU506832B2 (en)	1975-04-23	1976-07-06	Formation of ammonium carbamate solution

Publications (2)

Publication Number	Publication Date
FR2308615A1 true FR2308615A1 (fr)	1976-11-19
FR2308615B1 FR2308615B1 (fr)	1979-04-20

Family

ID=25616093

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7611952A Granted FR2308615A1 (fr)	1975-04-23	1976-04-22	Procede de condensation de carbamate dans les installations de synthese de l'uree

Country Status (14)

Country	Link
US (1)	US4082797A (fr)
JP (1)	JPS6023109B2 (fr)
AT (1)	AT344197B (fr)
AU (1)	AU506832B2 (fr)
BE (1)	BE844047A (fr)
CA (1)	CA1069932A (fr)
CH (1)	CH622006A5 (fr)
CS (1)	CS196306B2 (fr)
DE (1)	DE2617185C3 (fr)
FR (1)	FR2308615A1 (fr)
GB (1)	GB1506129A (fr)
IN (1)	IN144536B (fr)
NL (1)	NL167157C (fr)
SE (1)	SE423386B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0464307A1 (fr) *	1990-03-12	1992-01-08	Urea Casale S.A.	Procédé et dispositif pour améliorer les performances et la durée de vie, avec réduction de la corrosion, dans des condenseurs de carbamate du type Kettle dans des usines d'urée

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1068268B (it) *	1976-09-09	1985-03-21	Snam Progetti	Procedimento per la produzione di urea e purificazione delle acque
CN103349848B (zh) *	2013-06-18	2015-07-08	盐城汇百实业有限公司	一种冷凝装置
AU2018354985B2 (en)	2017-10-27	2020-07-30	Stamicarbon B.V.	High pressure carbamate condenser
EP4452932A1 (fr)	2021-12-20	2024-10-30	Stamicarbon B.V.	Production d'urée par extraction thermique

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2302993A (en) *	1940-12-07	1942-11-24	Lummus Co	Evaporator
US2560070A (en) *	1948-08-27	1951-07-10	Lummus Co	Evaporator
CH498811A (de) *	1967-05-22	1970-11-15	Chemical Construction Corp	Verfahren zur Herstellung von Harnstoff aus Ammoniak und Kohlendioxyd
US3984469A (en) *	1969-10-16	1976-10-05	Snam Progetti S.P.A.	Process for the production of urea
US3940440A (en) *	1970-11-10	1976-02-24	Ivo Mavrovic	Method of controlling urea system

1976
- 1976-04-20 GB GB16012/76A patent/GB1506129A/en not_active Expired
- 1976-04-20 US US05/678,635 patent/US4082797A/en not_active Expired - Lifetime
- 1976-04-20 DE DE2617185A patent/DE2617185C3/de not_active Expired
- 1976-04-22 NL NLAANVRAGE7604303,A patent/NL167157C/xx not_active IP Right Cessation
- 1976-04-22 FR FR7611952A patent/FR2308615A1/fr active Granted
- 1976-04-22 CS CS762673A patent/CS196306B2/cs unknown
- 1976-04-23 JP JP51045614A patent/JPS6023109B2/ja not_active Expired
- 1976-07-06 AU AU15623/76A patent/AU506832B2/en not_active Expired
- 1976-07-09 AT AT508576A patent/AT344197B/de not_active IP Right Cessation
- 1976-07-12 BE BE168843A patent/BE844047A/fr not_active IP Right Cessation
- 1976-07-13 CH CH902776A patent/CH622006A5/it not_active IP Right Cessation
- 1976-07-17 IN IN1284/CAL/1976A patent/IN144536B/en unknown
- 1976-07-20 CA CA257,369A patent/CA1069932A/fr not_active Expired
- 1976-07-21 SE SE7608335A patent/SE423386B/xx not_active IP Right Cessation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0464307A1 (fr) *	1990-03-12	1992-01-08	Urea Casale S.A.	Procédé et dispositif pour améliorer les performances et la durée de vie, avec réduction de la corrosion, dans des condenseurs de carbamate du type Kettle dans des usines d'urée
CN1044601C (zh) *	1990-03-12	1999-08-11	乌里阿·卡萨勒有限公司	通过减少腐蚀提高尿素厂中釜型氨基甲酸酯冷凝器的效率和寿命的方法及装置

Also Published As

Publication number	Publication date
JPS51128917A (en)	1976-11-10
FR2308615B1 (fr)	1979-04-20
DE2617185C3 (de)	1978-07-13
SE7608335L (sv)	1978-01-22
BE844047A (fr)	1977-01-12
NL167157B (nl)	1981-06-16
DE2617185A1 (de)	1976-10-28
AU506832B2 (en)	1980-01-24
AU1562376A (en)	1978-01-12
DE2617185B2 (de)	1977-11-24
CA1069932A (fr)	1980-01-15
GB1506129A (en)	1978-04-05
JPS6023109B2 (ja)	1985-06-05
SE423386B (sv)	1982-05-03
CH622006A5 (en)	1981-03-13
IN144536B (fr)	1978-05-13
NL167157C (nl)	1987-10-16
CS196306B2 (en)	1980-03-31
AT344197B (de)	1978-07-10
ATA508576A (de)	1977-11-15
NL7604303A (nl)	1976-10-26
US4082797A (en)	1978-04-04

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Legal Events

Date	Code	Title	Description
1988-02-26	ST	Notification of lapse