BR9204358A - Processo para sintese industrial de ureia - Google Patents

Processo para sintese industrial de ureia

Info

Publication number: BR9204358A
Authority: BR; Brazil
Prior art keywords: reaction; synthesis; recovery section; urea synthesis; pure reagents
Prior art date: 1991-11-14

Application number

BR929204358A

Other languages

English (en)

Portuguese (pt)

Inventor

Giorgio Pagani

Umberto Zardi

Original Assignee

Urea Casale Sa

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.)

1991-11-14

Filing date

1992-11-10

Publication date

1993-06-01

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4253531&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9204358(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1992-11-10 Application filed by Urea Casale Sa filed Critical Urea Casale Sa

1993-06-01 Publication of BR9204358A publication Critical patent/BR9204358A/pt

Links

238000003786 synthesis reaction Methods 0.000 title abstract 4
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title abstract 2
230000015572 biosynthetic process Effects 0.000 title abstract 2
239000004202 carbamide Substances 0.000 title abstract 2
238000000034 method Methods 0.000 title abstract 2
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 4
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 4
238000006243 chemical reaction Methods 0.000 abstract 3
229910002092 carbon dioxide Inorganic materials 0.000 abstract 2
239000001569 carbon dioxide Substances 0.000 abstract 2
239000003153 chemical reaction reagent Substances 0.000 abstract 2
238000011084 recovery Methods 0.000 abstract 2
229910021529 ammonia Inorganic materials 0.000 abstract 1
229910000069 nitrogen hydride Inorganic materials 0.000 abstract 1
230000003134 recirculating effect Effects 0.000 abstract 1

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
- 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
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

BR929204358A 1991-11-14 1992-11-10 Processo para sintese industrial de ureia BR9204358A (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH332591		1991-11-14

Publications (1)

Publication Number	Publication Date
BR9204358A true BR9204358A (pt)	1993-06-01

Family

ID=4253531

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR929204358A BR9204358A (pt)	1991-11-14	1992-11-10	Processo para sintese industrial de ureia

Country Status (12)

Country	Link
US (1)	US5380943A (2)
EP (1)	EP0544056B1 (2)
KR (1)	KR930009987A (2)
CN (1)	CN1034014C (2)
AT (1)	ATE167666T1 (2)
AU (1)	AU2607292A (2)
BR (1)	BR9204358A (2)
CA (1)	CA2082469A1 (2)
DE (1)	DE69226010T2 (2)
MX (1)	MX9206557A (2)
RU (1)	RU2090554C1 (2)
TW (1)	TW235957B (2)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0479103B1 (en) *	1990-10-05	1996-03-06	Urea Casale S.A.	Process for the production of urea by steps with differentiated yields, and relevant implementations also on existing plants
EP0611753B1 (en) *	1993-01-07	1999-10-27	Urea Casale S.A.	Improved process for urea production involving a carbon dioxide stripping step
US5523482A (en) *	1993-05-14	1996-06-04	Urea Casale S.A.	Process and plant for the production of urea in reaction spaces with different yields
CZ198197A3 (cs)	1994-12-23	1998-04-15	Urea Casale S. A.	Způsob výroby močoviny, zařízení k provádění tohoto způsobu a způsob modernizace existujícího zařízení pro výrobu močoviny
IT1275451B (it) *	1995-06-30	1997-08-07	Snam Progetti	Procedimento per la sintesi dell'urea comprendente due separate zone di reazione
EP0905127B1 (en) *	1997-09-20	2001-11-28	Urea Casale S.A.	Process for combined production of ammonia and urea
US6706093B2 (en)	2000-05-23	2004-03-16	Rohm And Haas Company	Method and apparatus for preventing iron contamination in corrosive service
CN104387296B (zh) *	2014-10-28	2016-09-28	河南骏化发展股份有限公司	一种尿素生产工艺
EP3323805A1 (en) *	2016-11-18	2018-05-23	Casale SA	A process for integrated production of urea and urea-ammonium nitrate
RU2767720C2 (ru)	2017-11-16	2022-03-18	Касале Са	Способ и система измерения уровня жидкости в работающем под давлением сосуде установки синтеза мочевины
EP3766865A1 (en) *	2019-07-18	2021-01-20	Casale Sa	A process for the synthesis of urea

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1124547A (en) *	1966-05-02	1968-08-21	Toyo Koatsu Ind Inc	Production of 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
NL8502227A (nl) *	1985-08-12	1987-03-02	Unie Van Kunstmestfab Bv	Werkwijze voor de bereiding van ureum.
EP0497215A1 (en) *	1991-01-29	1992-08-05	Urea Casale S.A.	Process and plant for the production of urea with differentiated yield reaction spaces

1992
- 1992-07-10 AT AT92111783T patent/ATE167666T1/de not_active IP Right Cessation
- 1992-07-10 DE DE69226010T patent/DE69226010T2/de not_active Expired - Fee Related
- 1992-07-10 EP EP92111783A patent/EP0544056B1/en not_active Expired - Lifetime
- 1992-08-11 CN CN92109320A patent/CN1034014C/zh not_active Ceased
- 1992-08-25 RU SU925052641A patent/RU2090554C1/ru active
- 1992-09-16 US US07/947,287 patent/US5380943A/en not_active Expired - Fee Related
- 1992-09-29 AU AU26072/92A patent/AU2607292A/en not_active Abandoned
- 1992-11-09 KR KR1019920020898A patent/KR930009987A/ko not_active Ceased
- 1992-11-09 CA CA002082469A patent/CA2082469A1/en not_active Abandoned
- 1992-11-10 BR BR929204358A patent/BR9204358A/pt not_active Application Discontinuation
- 1992-11-13 MX MX9206557A patent/MX9206557A/es not_active IP Right Cessation
- 1992-12-12 TW TW081110057A patent/TW235957B/zh active

Also Published As

Publication number	Publication date
EP0544056B1 (en)	1998-06-24
KR930009987A (ko)	1993-06-21
MX9206557A (es)	1993-05-01
CN1034014C (zh)	1997-02-12
ATE167666T1 (de)	1998-07-15
AU2607292A (en)	1993-05-20
US5380943A (en)	1995-01-10
DE69226010T2 (de)	1999-02-25
CA2082469A1 (en)	1993-05-15
CN1072174A (zh)	1993-05-19
EP0544056A1 (en)	1993-06-02
DE69226010D1 (de)	1998-07-30
RU2090554C1 (ru)	1997-09-20
TW235957B (2)	1994-12-11

Legal Events

Date	Code	Title	Description
1995-10-10	FA1	Application withdrawn (art. 18(2))

Publication	Publication Date	Title
BR9204358A (pt)	1993-06-01	Processo para sintese industrial de ureia
BR9200986A (pt)	1992-11-17	Processo de producao de ureia
BR9403803A (pt)	1995-05-23	Processo para a preparação de monóxido de carbono e hidrogênio, pela oxidação parcial de um hidrocarboneto
CA2246217A1 (en)	1999-03-20	Process for combined production of ammonia and urea
LTIP996A (en)	1995-04-25	Process for the production of urea by steps and implementation also on existing plants
CA2165898A1 (en)	1996-12-31	Process for the synthesis of urea comprising two separate reaction zones
AU5993690A (en)	1991-01-31	Process for the removal of isocyanic acid from a mixture of isocyanic acid and ammonia
US3711544A (en)	1973-01-16	Heat recovery in urea synthesis
NO177093C (no)	1995-07-19	Fremgangsmåte for syntese av aziner
DE69120118D1 (de)	1996-07-18	Verfahren zur Methanolherstellung
ATE178591T1 (de)	1999-04-15	Verfahren mit hoher ausbeute zur herstellung von harnstoff
ZA931705B (en)	1993-09-13	Process for the production of guanidine derivatives.
GB1261170A (en)	1972-01-26	Urea synthesis process
NZ234483A (en)	1991-09-25	Preparation of asymmetric urea derivatives by reacting isocyanic acid, ammonia and an amine
ATE160766T1 (de)	1997-12-15	Herstellung von perchlorethylen aus tetrachlorkohlenstoff in anwesenheit von wasserstoff
AU3423901A (en)	2001-08-14	Process for preparing melamine from urea
EG23065A (en)	2004-02-29	Method for the production of urea
GB1327321A (en)	1973-08-22	Process for urea synthesis
ES8306104A1 (es)	1983-05-01	"un procedimiento mejorado para la preparacion de urea".
GB983812A (en)	1965-02-17	Improvements relating to the production of urea
KR920014769A (ko)	1992-08-25	N-일치환된 또는 n,n-이치환된 우레아의 제조방법
TH29891B (th)	2011-04-19	กระบวนการสำหรับการเตรียมยูเรีย