ATE179413T1 - Verfahren und anlage zur herstellung von harnstoff mit hohem umsatz und niedrigem energieverbrauch - Google Patents

Verfahren und anlage zur herstellung von harnstoff mit hohem umsatz und niedrigem energieverbrauch

Info

Publication number: ATE179413T1
Authority: AT; Austria
Prior art keywords: energy consumption; high conversion; plant; low energy; urea
Prior art date: 1995-02-01

Application number

AT96900678T

Other languages

English (en)

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.)

1995-02-01

Filing date

1996-01-31

Publication date

1999-05-15

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4183026&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE179413(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1996-01-31 Application filed by Urea Casale Sa filed Critical Urea Casale Sa

1999-05-15 Application granted granted Critical

1999-05-15 Publication of ATE179413T1 publication Critical patent/ATE179413T1/de

Links

238000006243 chemical reaction Methods 0.000 title abstract 4
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title abstract 3
239000004202 carbamide Substances 0.000 title abstract 3
238000000034 method Methods 0.000 title abstract 3
238000005265 energy consumption Methods 0.000 title abstract 2
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 2
238000011084 recovery Methods 0.000 abstract 2
KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 abstract 1
229910021529 ammonia Inorganic materials 0.000 abstract 1
229910002092 carbon dioxide Inorganic materials 0.000 abstract 1
239000001569 carbon dioxide Substances 0.000 abstract 1
230000005494 condensation Effects 0.000 abstract 1
238000009833 condensation Methods 0.000 abstract 1
238000004519 manufacturing process Methods 0.000 abstract 1
239000000203 mixture Substances 0.000 abstract 1
239000011541 reaction mixture Substances 0.000 abstract 1
238000004064 recycling Methods 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
- 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)

AT96900678T 1995-02-01 1996-01-31 Verfahren und anlage zur herstellung von harnstoff mit hohem umsatz und niedrigem energieverbrauch ATE179413T1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH26395		1995-02-01

Publications (1)

Publication Number	Publication Date
ATE179413T1 true ATE179413T1 (de)	1999-05-15

Family

ID=4183026

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT96900678T ATE179413T1 (de)	1995-02-01	1996-01-31	Verfahren und anlage zur herstellung von harnstoff mit hohem umsatz und niedrigem energieverbrauch

Country Status (22)

Country	Link
US (2)	US6342632B1 (de)
EP (1)	EP0796244B2 (de)
JP (1)	JP3003706B2 (de)
CN (1)	CN1079790C (de)
AT (1)	ATE179413T1 (de)
AU (1)	AU686041B2 (de)
BG (1)	BG63118B1 (de)
BR (1)	BR9606852A (de)
CA (1)	CA2208022C (de)
CZ (1)	CZ284950B6 (de)
DE (1)	DE69602250T3 (de)
EG (1)	EG20972A (de)
ES (1)	ES2130784T5 (de)
HU (1)	HU224478B1 (de)
IL (1)	IL116977A0 (de)
NZ (1)	NZ298879A (de)
PL (1)	PL189579B1 (de)
RO (1)	RO119781B1 (de)
RU (1)	RU2132843C1 (de)
UA (1)	UA42814C2 (de)
WO (1)	WO1996023767A1 (de)
ZA (1)	ZA96686B (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
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
JP4112056B2 (ja) *	1997-12-18	2008-07-02	東洋エンジニアリング株式会社	改良された尿素の合成方法および装置
DE69908545T2 (de)	1999-03-16	2004-04-29	Urea Casale S.A.	Verfahren zur Modernisierung einer Harnstoffanlage
US6552224B2 (en) *	2000-06-15	2003-04-22	Urea Casale S.A.	Process and plant for the production of urea
EP1195194B1 (de) *	2000-10-09	2006-02-01	Urea Casale S.A.	Vorrichtung zur Zersetzung von Karbamat und zum Strippen von Ammoniak sowie Kohlendioxid aus Harnstofflösungen
NL1017990C2 (nl) *	2001-05-03	2002-11-05	Dsm Nv	Werkwijze voor de bereiding van ureum.
DE60336317D1 (de) *	2003-09-19	2011-04-21	Urea Casale Sa	Karbamatkondensationsverfahren
NL1028497C2 (nl)	2005-03-09	2006-09-12	Dsm Ip Assets Bv	Werkwijze voor de bereiding van een ureum-bevattende waterige stroom.
EP1714959B1 (de) *	2005-04-19	2015-11-18	Casale Sa	Verfahren und Anlage für die Herstellung von Harnstoff
CN102020590A (zh) *	2009-09-11	2011-04-20	江苏恒盛化肥有限公司	二氧化碳气提法尿素装置低压系统的改良装置
US8987513B2 (en)	2011-12-15	2015-03-24	Mitsubishi Heavy Industries, Ltd.	Operation method of urea production plant including multiple systems
US9458098B2 (en) *	2012-05-03	2016-10-04	Stamicarbon B.V.	Urea production plant
WO2025053755A1 (en) *	2023-09-08	2025-03-13	Stamicarbon B.V.	Production of urea for diesel exhaust fluid

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2848493A (en) *	1955-06-27	1958-08-19	Allied Chem	Process for synthesis of urea
US3232982A (en) *	1960-01-08	1966-02-01	Pullman Inc	Urea synthesis
US3541146A (en)	1966-11-29	1970-11-17	Inventa Ag	Process for the separation and recirculation of unreacted starting gases in the urea synthesis
GB1196657A (en)	1967-09-28	1970-07-01	Guido Giommi	Process for the Manufacture of Urea from Ammonia and Carbon Dioxide
US3636106A (en) †	1968-09-12	1972-01-18	Chemical Construction Corp	Process for urea synthesis
CH562786A5 (de)	1972-03-22	1975-06-13	Inventa Ag
JPS5517346A (en) *	1978-07-24	1980-02-06	Toyo Eng Corp	Synthetic method of urea
JPS5750954A (en) *	1980-09-12	1982-03-25	Mitsui Toatsu Chem Inc	Synthesis of 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
NL8502227A (nl) *	1985-08-12	1987-03-02	Unie Van Kunstmestfab Bv	Werkwijze voor de bereiding van ureum.
NL8602770A (nl) *	1986-11-03	1988-06-01	Stamicarbon	Werkwijze voor de bereiding van ureum.
IT1274362B (it)	1995-02-16	1997-07-17	Snam Progetti	Procedimento ad alta resa per la sintesi dell'urea
NL1003923C2 (nl) *	1996-08-30	1998-03-04	Dsm Nv	Werkwijze voor de bereiding van ureum.
NL1007713C2 (nl)	1997-12-05	1999-06-08	Dsm Nv	Werkwijze voor de bereiding van ureum.

1996
- 1996-01-30 ZA ZA96686A patent/ZA96686B/xx unknown
- 1996-01-31 ES ES96900678T patent/ES2130784T5/es not_active Expired - Lifetime
- 1996-01-31 AU AU44575/96A patent/AU686041B2/en not_active Ceased
- 1996-01-31 CA CA002208022A patent/CA2208022C/en not_active Expired - Lifetime
- 1996-01-31 PL PL96321241A patent/PL189579B1/pl not_active IP Right Cessation
- 1996-01-31 RO RO97-01263A patent/RO119781B1/ro unknown
- 1996-01-31 JP JP8523386A patent/JP3003706B2/ja not_active Expired - Lifetime
- 1996-01-31 HU HU9800232A patent/HU224478B1/hu active IP Right Grant
- 1996-01-31 US US08/860,960 patent/US6342632B1/en not_active Expired - Lifetime
- 1996-01-31 UA UA97073537A patent/UA42814C2/uk unknown
- 1996-01-31 CZ CZ972069A patent/CZ284950B6/cs unknown
- 1996-01-31 BR BR9606852A patent/BR9606852A/pt not_active IP Right Cessation
- 1996-01-31 CN CN96191549A patent/CN1079790C/zh not_active Expired - Lifetime
- 1996-01-31 WO PCT/IB1996/000083 patent/WO1996023767A1/en not_active Ceased
- 1996-01-31 IL IL11697796A patent/IL116977A0/xx unknown
- 1996-01-31 NZ NZ298879A patent/NZ298879A/en unknown
- 1996-01-31 RU RU97114754A patent/RU2132843C1/ru active
- 1996-01-31 EP EP96900678A patent/EP0796244B2/de not_active Expired - Lifetime
- 1996-01-31 AT AT96900678T patent/ATE179413T1/de active
- 1996-01-31 DE DE69602250T patent/DE69602250T3/de not_active Expired - Lifetime
- 1996-02-01 EG EG9196A patent/EG20972A/xx active
1997
- 1997-06-30 BG BG101710A patent/BG63118B1/bg unknown
1999
- 1999-04-05 US US09/285,649 patent/US6730278B2/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
RU2132843C1 (ru)	1999-07-10
WO1996023767A1 (en)	1996-08-08
AU4457596A (en)	1996-08-21
BG101710A (en)	1998-10-30
EP0796244B1 (de)	1999-04-28
PL189579B1 (pl)	2005-08-31
BR9606852A (pt)	1997-11-25
CA2208022A1 (en)	1996-08-08
DE69602250D1 (de)	1999-06-02
JPH10503526A (ja)	1998-03-31
ES2130784T3 (es)	1999-07-01
DE69602250T2 (de)	1999-08-19
CN1079790C (zh)	2002-02-27
PL321241A1 (de)	1997-11-24
DE69602250T3 (de)	2003-12-04
IL116977A0 (en)	1996-05-14
MX9705053A (es)	1997-10-31
US6342632B1 (en)	2002-01-29
HUP9800232A2 (hu)	1998-04-28
UA42814C2 (uk)	2001-11-15
US20020085965A1 (en)	2002-07-04
CA2208022C (en)	2001-07-03
CN1169144A (zh)	1997-12-31
HU224478B1 (hu)	2005-09-28
ES2130784T5 (es)	2003-11-01
JP3003706B2 (ja)	2000-01-31
BG63118B1 (bg)	2001-04-30
RO119781B1 (ro)	2005-03-30
HUP9800232A3 (en)	1999-09-28
CZ206997A3 (cs)	1998-03-18
EP0796244B2 (de)	2003-03-05
EP0796244A1 (de)	1997-09-24
ZA96686B (en)	1996-08-16
AU686041B2 (en)	1998-01-29
NZ298879A (en)	1998-09-24
EG20972A (en)	2000-08-30
CZ284950B6 (cs)	1999-04-14
US6730278B2 (en)	2004-05-04

Legal Events

Date

Code

Title

Description

1999-12-15

UEP

Publication of translation of european patent specification

2004-01-15

UEP