EG25401A - Process for the preparation of urea. - Google Patents

Process for the preparation of urea.

Info

Publication number
EG25401A
EG25401A EGNA2007000006A EG25401A EG 25401 A EG25401 A EG 25401A EG NA2007000006 A EGNA2007000006 A EG NA2007000006A EG 25401 A EG25401 A EG 25401A
Authority
EG
Egypt
Prior art keywords
urea
preparation
Prior art date
Application number
Other languages
English (en)
Inventor
Johannes Henricus Mennen
Original Assignee
Dsm Ip Assets Bv
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.)
Filing date
Publication date
Application filed by Dsm Ip Assets Bv filed Critical Dsm Ip Assets Bv
Application granted granted Critical
Publication of EG25401A publication Critical patent/EG25401A/xx

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
    • 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
    • C07C273/14—Separation; Purification; Stabilisation; Use of additives
    • C07C273/16—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
EGNA2007000006 2004-07-07 2007-01-04 Process for the preparation of urea. EG25401A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1026607A NL1026607C2 (nl) 2004-07-07 2004-07-07 Werkwijze voor de bereiding van ureum.
PCT/NL2005/000408 WO2006004395A1 (en) 2004-07-07 2005-06-06 Process for the preparation of urea

Publications (1)

Publication Number Publication Date
EG25401A true EG25401A (en) 2011-12-27

Family

ID=34969774

Family Applications (1)

Application Number Title Priority Date Filing Date
EGNA2007000006 EG25401A (en) 2004-07-07 2007-01-04 Process for the preparation of urea.

Country Status (16)

Country Link
US (1) US7622609B2 (pt)
EP (1) EP1763508B1 (pt)
JP (1) JP4903697B2 (pt)
KR (1) KR101199734B1 (pt)
CN (1) CN1980887B (pt)
AR (1) AR049969A1 (pt)
AT (1) ATE517863T1 (pt)
AU (1) AU2005260266B2 (pt)
BR (1) BRPI0513012B1 (pt)
CA (1) CA2569711C (pt)
EA (1) EA011376B1 (pt)
EG (1) EG25401A (pt)
NL (1) NL1026607C2 (pt)
NO (1) NO338620B1 (pt)
PL (1) PL1763508T3 (pt)
WO (1) WO2006004395A1 (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102753518B (zh) * 2010-02-12 2015-03-11 斯塔米卡邦有限公司 尿素后处理中氨的除去
EP2397463A1 (en) * 2010-06-16 2011-12-21 Urea Casale SA Method for revamping a self-stripping urea plant
JP6306571B2 (ja) * 2012-05-03 2018-04-04 スタミカーボン・ベー・フェー 尿素製造プラント
LT3452212T (lt) 2016-05-03 2020-04-10 Stamicarbon B.V. Karbamido gamyba su kontroliuojamu biuretu
IT201700121364A1 (it) * 2017-10-25 2019-04-25 Saipem Spa Apparato e metodo per il trattamento di vapori di processo provenienti da una sezione di concentrazione sottovuoto di un impianto urea
CN111278804B (zh) * 2017-10-27 2021-07-20 斯塔米卡邦有限公司 高压氨基甲酸盐冷凝器
MY191504A (en) * 2017-11-10 2022-06-28 Stamicarbon Urea production process and plant
HRP20250240T1 (hr) 2021-06-11 2025-05-23 Stamicarbon B.V. Proizvodnja uree s trostrukim mp strujama
US20240092730A1 (en) * 2021-12-20 2024-03-21 Stamicarbon B.V. Thermal stripping urea production
EP4692051A1 (en) * 2023-04-07 2026-02-11 Toyo Engineering Corporation Urea synthesis apparatus, urea synthesis method, and method for improving existing urea synthesis apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8900152A (nl) * 1989-01-23 1990-08-16 Stamicarbon Werkwijze voor de bereiding van ureum.
IT1232669B (it) * 1989-09-15 1992-03-02 Snam Progetti Procedimento per la produzione di urea con elevato rendimento energetico.
CN1051075C (zh) * 1992-12-23 2000-04-05 中国五环化学工程公司 二氧化碳气提法尿素生产工艺及装置
NL1004977C2 (nl) * 1997-01-13 1998-07-15 Dsm Nv Methode om de capaciteit van een bestaand ureum proces te verhogen.
NL1017990C2 (nl) * 2001-05-03 2002-11-05 Dsm Nv Werkwijze voor de bereiding van ureum.
NL1020388C2 (nl) * 2002-04-15 2003-10-17 Dsm Nv Werkwijze voor de bereiding van ureum.

Also Published As

Publication number Publication date
US7622609B2 (en) 2009-11-24
NL1026607C2 (nl) 2006-01-10
ATE517863T1 (de) 2011-08-15
JP4903697B2 (ja) 2012-03-28
KR20070038095A (ko) 2007-04-09
AU2005260266A1 (en) 2006-01-12
KR101199734B1 (ko) 2012-11-08
CN1980887A (zh) 2007-06-13
PL1763508T3 (pl) 2011-12-30
CA2569711A1 (en) 2006-01-12
AR049969A1 (es) 2006-09-20
WO2006004395A1 (en) 2006-01-12
BRPI0513012B1 (pt) 2015-04-22
US20080300422A1 (en) 2008-12-04
AU2005260266B2 (en) 2011-09-01
BRPI0513012A (pt) 2008-04-22
CA2569711C (en) 2013-07-30
EP1763508A1 (en) 2007-03-21
JP2008505888A (ja) 2008-02-28
EA200700288A1 (ru) 2007-06-29
NO20070689L (no) 2007-04-03
EA011376B1 (ru) 2009-02-27
EP1763508B1 (en) 2011-07-27
NO338620B1 (no) 2016-09-19
CN1980887B (zh) 2012-03-14

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