UA73996C2 - A process for the production of urea (variants), a mechanism for the production of urea and method for modernization of the mechanism for the production of urea - Google Patents

A process for the production of urea (variants), a mechanism for the production of urea and method for modernization of the mechanism for the production of urea Download PDF

Info

Publication number: UA73996C2
Authority: UA; Ukraine
Prior art keywords: urea; carbon dioxide; carbamate; ammonia; reactor
Prior art date: 2000-06-15

Application number

UA2003010386A

Other languages

English (en)

Ukrainian (uk)

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.)

2000-06-15

Filing date

2001-02-02

Publication date

2005-10-17

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8168986&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=UA73996(C2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

2001-02-02 Application filed by Urea Casale Sa filed Critical Urea Casale Sa

2005-10-17 Publication of UA73996C2 publication Critical patent/UA73996C2/uk

Links

239000004202 carbamide Substances 0.000 title abstract description 92
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title abstract description 83
238000000034 method Methods 0.000 title abstract description 35
238000004519 manufacturing process Methods 0.000 title abstract description 22
230000008569 process Effects 0.000 title abstract description 4
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 210
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 191
229910002092 carbon dioxide Inorganic materials 0.000 abstract description 105
239000001569 carbon dioxide Substances 0.000 abstract description 105
KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 abstract description 101
229910021529 ammonia Inorganic materials 0.000 abstract description 86
238000006243 chemical reaction Methods 0.000 abstract description 34
239000011541 reaction mixture Substances 0.000 abstract description 20
238000011084 recovery Methods 0.000 abstract description 4
239000000203 mixture Substances 0.000 abstract description 2
238000004064 recycling Methods 0.000 abstract description 2
238000005265 energy consumption Methods 0.000 abstract 1
238000001704 evaporation Methods 0.000 description 113
230000008020 evaporation Effects 0.000 description 106
239000007864 aqueous solution Substances 0.000 description 50
238000009833 condensation Methods 0.000 description 35
230000005494 condensation Effects 0.000 description 35
230000015572 biosynthetic process Effects 0.000 description 33
238000003786 synthesis reaction Methods 0.000 description 33
239000012808 vapor phase Substances 0.000 description 32
238000009434 installation Methods 0.000 description 29
238000000926 separation method Methods 0.000 description 27
239000007789 gas Substances 0.000 description 26
239000007788 liquid Substances 0.000 description 18
238000000354 decomposition reaction Methods 0.000 description 15
239000000243 solution Substances 0.000 description 14
239000011261 inert gas Substances 0.000 description 8
238000002207 thermal evaporation Methods 0.000 description 8
150000003672 ureas Chemical class 0.000 description 8
239000012530 fluid Substances 0.000 description 6
239000000126 substance Substances 0.000 description 5
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
229910052799 carbon Inorganic materials 0.000 description 4
239000003795 chemical substances by application Substances 0.000 description 4
239000007792 gaseous phase Substances 0.000 description 4
230000008016 vaporization Effects 0.000 description 4
239000007791 liquid phase Substances 0.000 description 3
239000012071 phase Substances 0.000 description 3
230000003134 recirculating effect Effects 0.000 description 3
239000003990 capacitor Substances 0.000 description 2
150000004657 carbamic acid derivatives Chemical class 0.000 description 2
238000005260 corrosion Methods 0.000 description 2
230000007797 corrosion Effects 0.000 description 2
238000010438 heat treatment Methods 0.000 description 2
230000006872 improvement Effects 0.000 description 2
238000012423 maintenance Methods 0.000 description 2
229940125652 NAMI Drugs 0.000 description 1
ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
IRIINYXGMWYHBL-UHFFFAOYSA-J [C+4].C(N)([O-])=O.C(N)([O-])=O.C(N)([O-])=O.C(N)([O-])=O Chemical compound [C+4].C(N)([O-])=O.C(N)([O-])=O.C(N)([O-])=O.C(N)([O-])=O IRIINYXGMWYHBL-UHFFFAOYSA-J 0.000 description 1
238000010521 absorption reaction Methods 0.000 description 1
239000003153 chemical reaction reagent Substances 0.000 description 1
210000004268 dentin Anatomy 0.000 description 1
239000012467 final product Substances 0.000 description 1
230000014509 gene expression Effects 0.000 description 1
230000009467 reduction Effects 0.000 description 1
PEVNIEPIRVCPAW-UHFFFAOYSA-J sodium;1h-imidazole;methylsulfinylmethane;ruthenium(3+);tetrachloride Chemical compound [Na+].[Cl-].[Cl-].[Cl-].[Cl-].[Ru+3].CS(C)=O.C1=CNC=N1 PEVNIEPIRVCPAW-UHFFFAOYSA-J 0.000 description 1
230000009466 transformation Effects 0.000 description 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)
Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

UA2003010386A 2000-06-15 2001-02-02 A process for the production of urea (variants), a mechanism for the production of urea and method for modernization of the mechanism for the production of urea UA73996C2 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
EP00112688		2000-06-15
PCT/EP2001/001098 WO2001096287A1 (en)	2000-06-15	2001-02-02	Process and plant for the production of urea

Publications (1)

Publication Number	Publication Date
UA73996C2 true UA73996C2 (en)	2005-10-17

Family

ID=8168986

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
UA2003010386A UA73996C2 (en)	2000-06-15	2001-02-02	A process for the production of urea (variants), a mechanism for the production of urea and method for modernization of the mechanism for the production of urea
UA2003010385A UA72819C2 (en)	2000-06-15	2001-06-15	A process for decomposing a carbamate aqueous solution coming from a urea recovery section of the urea production plant

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
UA2003010385A UA72819C2 (en)	2000-06-15	2001-06-15	A process for decomposing a carbamate aqueous solution coming from a urea recovery section of the urea production plant

Country Status (10)

Country	Link
US (2)	US6552224B2 (ru)
EP (2)	EP1289942B1 (ru)
CN (2)	CN1216041C (ru)
AT (2)	ATE394367T1 (ru)
AU (2)	AU2001230231A1 (ru)
DE (2)	DE60133894D1 (ru)
MX (2)	MXPA02012329A (ru)
RU (2)	RU2258063C2 (ru)
UA (2)	UA73996C2 (ru)
WO (2)	WO2001096287A1 (ru)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1918273A1 (en) *	2006-11-04	2008-05-07	Urea Casale S.A.	Process for urea production and related plant
CN101823984B (zh) *	2010-04-29	2012-11-28	聊城市鲁西化工工程设计有限责任公司	水解解吸热能的回收工艺及设备
EP2502881A1 (en)	2011-03-24	2012-09-26	Urea Casale S.A.	Process and plant for ammonia-urea production
WO2014104893A1 (en) *	2012-12-28	2014-07-03	Stamicarbon B.V.	Urea plant revamping method
GB2557081B (en) *	2015-09-08	2020-05-13	Toyo Engineering Corp	Urea manufacturing method and urea manufacturing apparatus

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3929878A (en) *	1971-05-10	1975-12-30	Ivo Mavrovic	Decomposition of ammonium carbamate
US4110374A (en) *	1976-03-02	1978-08-29	Mitsui Toatsu Chemicals Inc.	Process for separating and recovering unreacted materials in urea synthesis
US4088684A (en) *	1976-07-30	1978-05-09	Ivo Mavrovic	Urea reactor effluent solution recycle in urea synthesis
NL8104040A (nl) *	1981-09-01	1983-04-05	Unie Van Kunstmestfab Bv	Werkwijze voor de bereiding van ureum.
NL8303888A (nl) *	1983-11-13	1985-06-03	Unie Van Kunstmestfab Bv	Werkwijze voor de bereiding van ureum.
IN169678B (ru) *	1987-08-13	1991-11-30	Austral Pacific Fertilizers
IT1232669B (it) *	1989-09-15	1992-03-02	Snam Progetti	Procedimento per la produzione di urea con elevato rendimento energetico.
EP0495418B1 (en) *	1991-01-15	1997-10-15	Urea Casale S.A.	Process and device for increasing the yield and the production potential of urea reactors
IT1245396B (it) *	1991-03-22	1994-09-20	Snam Progetti	Procedimento per la produzione di urea ad elevata efficienza energetica
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
ZA96686B (en) *	1995-02-01	1996-08-16	Urea Casale Sa	Process and plant for the production of urea with high conversion yield and low energy consumption
NL1004977C2 (nl) *	1997-01-13	1998-07-15	Dsm Nv	Methode om de capaciteit van een bestaand ureum proces te verhogen.
NL1009516C2 (nl) *	1998-06-29	2000-01-04	Dsm Nv	Werkwijze voor de bereiding van ureum.

2001
- 2001-02-02 WO PCT/EP2001/001098 patent/WO2001096287A1/en active IP Right Grant
- 2001-02-02 CN CN018112943A patent/CN1216041C/zh not_active Expired - Lifetime
- 2001-02-02 US US10/049,687 patent/US6552224B2/en not_active Expired - Lifetime
- 2001-02-02 AT AT01902384T patent/ATE394367T1/de not_active IP Right Cessation
- 2001-02-02 MX MXPA02012329A patent/MXPA02012329A/es active IP Right Grant
- 2001-02-02 RU RU2002133441/04A patent/RU2258063C2/ru active
- 2001-02-02 UA UA2003010386A patent/UA73996C2/uk unknown
- 2001-02-02 DE DE60133894T patent/DE60133894D1/de not_active Expired - Lifetime
- 2001-02-02 AU AU2001230231A patent/AU2001230231A1/en not_active Abandoned
- 2001-02-02 EP EP01902384A patent/EP1289942B1/en not_active Revoked
- 2001-06-15 AT AT01951596T patent/ATE275128T1/de not_active IP Right Cessation
- 2001-06-15 WO PCT/EP2001/006775 patent/WO2001096288A1/en active IP Right Grant
- 2001-06-15 RU RU2002135632/04A patent/RU2247108C2/ru active
- 2001-06-15 EP EP01951596A patent/EP1289943B1/en not_active Expired - Lifetime
- 2001-06-15 AU AU2001272480A patent/AU2001272480A1/en not_active Abandoned
- 2001-06-15 UA UA2003010385A patent/UA72819C2/uk unknown
- 2001-06-15 US US10/049,686 patent/US6649795B2/en not_active Expired - Lifetime
- 2001-06-15 CN CNB018107648A patent/CN1219755C/zh not_active Expired - Lifetime
- 2001-06-15 DE DE60105292T patent/DE60105292T2/de not_active Expired - Lifetime
- 2001-06-15 MX MXPA02011818A patent/MXPA02011818A/es active IP Right Grant

Also Published As

Publication number	Publication date
CN1216041C (zh)	2005-08-24
US6649795B2 (en)	2003-11-18
MXPA02012329A (es)	2003-04-25
MXPA02011818A (es)	2003-04-10
UA72819C2 (en)	2005-04-15
EP1289942B1 (en)	2008-05-07
EP1289943A1 (en)	2003-03-12
US20020151749A1 (en)	2002-10-17
RU2247108C2 (ru)	2005-02-27
WO2001096287A1 (en)	2001-12-20
CN1433400A (zh)	2003-07-30
ATE275128T1 (de)	2004-09-15
EP1289943B1 (en)	2004-09-01
DE60105292D1 (de)	2004-10-07
EP1289942A1 (en)	2003-03-12
US6552224B2 (en)	2003-04-22
CN1219755C (zh)	2005-09-21
AU2001272480A1 (en)	2001-12-24
ATE394367T1 (de)	2008-05-15
DE60133894D1 (de)	2008-06-19
CN1436169A (zh)	2003-08-13
DE60105292T2 (de)	2005-02-17
US20030013914A1 (en)	2003-01-16
WO2001096288A1 (en)	2001-12-20
AU2001230231A1 (en)	2001-12-24
RU2258063C2 (ru)	2005-08-10

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