EG22992A - Process for the preparation of urea - Google Patents

Process for the preparation of urea

Info

Publication number
EG22992A
EG22992A EG20020452A EG20020452A EG22992A EG 22992 A EG22992 A EG 22992A EG 20020452 A EG20020452 A EG 20020452A EG 20020452 A EG20020452 A EG 20020452A EG 22992 A EG22992 A EG 22992A
Authority
EG
Egypt
Prior art keywords
urea
preparation
Prior art date
Application number
EG20020452A
Other languages
English (en)
Inventor
Johannes H Mennen
Original Assignee
Dsm Nv
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19773343&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EG22992(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dsm Nv filed Critical Dsm Nv
Application granted granted Critical
Publication of EG22992A publication Critical patent/EG22992A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
EG20020452A 2001-05-03 2002-05-04 Process for the preparation of urea EG22992A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1017990A NL1017990C2 (nl) 2001-05-03 2001-05-03 Werkwijze voor de bereiding van ureum.

Publications (1)

Publication Number Publication Date
EG22992A true EG22992A (en) 2003-12-31

Family

ID=19773343

Family Applications (1)

Application Number Title Priority Date Filing Date
EG20020452A EG22992A (en) 2001-05-03 2002-05-04 Process for the preparation of urea

Country Status (11)

Country Link
US (1) US6852886B2 (xx)
CN (1) CN1260208C (xx)
AU (1) AU2002303036B2 (xx)
CA (1) CA2445589C (xx)
EG (1) EG22992A (xx)
GC (1) GC0000391A (xx)
MX (1) MXPA03010020A (xx)
MY (1) MY124851A (xx)
NL (1) NL1017990C2 (xx)
RU (1) RU2254331C1 (xx)
WO (1) WO2002090323A1 (xx)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1375475A1 (en) * 2002-06-28 2004-01-02 Urea Casale S.A. Plant for urea production
NL1023303C2 (nl) * 2003-04-29 2004-11-01 Dsm Nv Werkwijze voor de bereiding van een ureum- en formaldehydebevattende waterige oplossing.
NL1026607C2 (nl) * 2004-07-07 2006-01-10 Dsm Ip Assets Bv Werkwijze voor de bereiding van ureum.
NL1027697C2 (nl) * 2004-12-09 2006-06-12 Dsm Ip Assets Bv Werkwijze voor het verhogen van de capaciteit van een bestaand ureumproces.
NL1028497C2 (nl) * 2005-03-09 2006-09-12 Dsm Ip Assets Bv Werkwijze voor de bereiding van een ureum-bevattende waterige stroom.
EP1719755A1 (en) * 2005-05-04 2006-11-08 Urea Casale S.A. Process for urea production and related plant
JP5069222B2 (ja) * 2005-05-13 2012-11-07 スタミカーボン ビー． ブイ． 水性カルバミン酸アンモニウム流れを濃縮するための方法
EP1918273A1 (en) * 2006-11-04 2008-05-07 Urea Casale S.A. Process for urea production and related plant
EP1918274A1 (en) 2006-11-04 2008-05-07 Urea Casale S.A. Integrated process for urea and melamine production
EP2107051A1 (en) * 2008-04-02 2009-10-07 DSM IP Assets B.V. Process for inreasing the capacity of an existing urea plant
WO2013165246A1 (en) * 2012-05-03 2013-11-07 Stamicarbon B.V. Method and apparatus for the production of urea from ammonia and carbon dioxide
GB201208312D0 (en) * 2012-05-11 2012-06-27 Afc Energy Plc Fuel cell system
DE102013113980A1 (de) * 2013-12-12 2015-06-18 Thyssenkrupp Ag Verfahren zur Herstellung von Ammoniakgas und CO2 für eine Harnstoffsynthese
EP3436430B1 (en) 2016-03-30 2020-09-16 Stamicarbon B.V. Urea production with bi-pressurized synthesis
CN109070043B (zh) 2016-05-03 2019-12-06 斯塔米卡邦有限公司 在控制缩二脲的情况下的尿素生产
WO2017192031A1 (en) 2016-05-03 2017-11-09 Stamicarbon B.V. Controlling biuret in urea production
JP6862612B2 (ja) 2017-10-27 2021-04-21 スタミカーボン・ベー・フェー 高圧カルバメート凝縮器
JP7410337B2 (ja) * 2020-06-23 2024-01-09 スタミカーボン・ベー・フェー サーマルストリッピング尿素プラント及びプロセス
EP4294556A1 (en) 2021-02-22 2023-12-27 Stamicarbon B.V. Urea production process and plant with parallel mp units
US20240059623A1 (en) 2022-02-15 2024-02-22 Stamicarbon B.V. Stripping-type urea plant for def production
WO2024010450A1 (en) 2022-07-07 2024-01-11 Stamicarbon B.V. Production of urea and melamine
US20240262789A1 (en) 2022-11-22 2024-08-08 Stamicarbon B.V. Multiproduct low biuret urea production

Family Cites Families (2)

* 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.
NL1004977C2 (nl) * 1997-01-13 1998-07-15 Dsm Nv Methode om de capaciteit van een bestaand ureum proces te verhogen.

Also Published As

Publication number Publication date
US20040116743A1 (en) 2004-06-17
NL1017990C2 (nl) 2002-11-05
AU2002303036B2 (en) 2008-01-10
CN1505610A (zh) 2004-06-16
WO2002090323A1 (en) 2002-11-14
RU2003134953A (ru) 2005-05-27
RU2254331C1 (ru) 2005-06-20
CN1260208C (zh) 2006-06-21
MXPA03010020A (es) 2004-02-12
US6852886B2 (en) 2005-02-08
CA2445589A1 (en) 2002-11-14
MY124851A (en) 2006-07-31
CA2445589C (en) 2011-06-28
GC0000391A (en) 2007-03-31

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