ZA851978B - Process for the preparation of urea - Google Patents

Process for the preparation of urea

Info

Publication number
ZA851978B
ZA851978B ZA851978A ZA851978A ZA851978B ZA 851978 B ZA851978 B ZA 851978B ZA 851978 A ZA851978 A ZA 851978A ZA 851978 A ZA851978 A ZA 851978A ZA 851978 B ZA851978 B ZA 851978B
Authority
ZA
South Africa
Prior art keywords
urea
zone
synthesis
carbamate
stripping
Prior art date
Application number
ZA851978A
Other languages
English (en)
Inventor
Kees Jonckers
Original Assignee
Unie Van Kunstmestfab 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 Unie Van Kunstmestfab Bv filed Critical Unie Van Kunstmestfab Bv
Publication of ZA851978B publication Critical patent/ZA851978B/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
    • 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
    • Y02P20/141—Feedstock

Landscapes

  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Measurement Of Radiation (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
ZA851978A 1984-03-16 1985-03-15 Process for the preparation of urea ZA851978B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8400839A NL8400839A (nl) 1984-03-16 1984-03-16 Werkwijze voor de bereiding van ureum.

Publications (1)

Publication Number Publication Date
ZA851978B true ZA851978B (en) 1985-11-27

Family

ID=19843651

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA851978A ZA851978B (en) 1984-03-16 1985-03-15 Process for the preparation of urea

Country Status (34)

Country Link
EP (1) EP0155735B1 (de)
JP (1) JPS60209555A (de)
KR (1) KR870001692B1 (de)
CN (2) CN1010308B (de)
AT (1) ATE38033T1 (de)
AU (1) AU579614B2 (de)
BG (1) BG60247B1 (de)
BR (1) BR8501156A (de)
CA (1) CA1330444C (de)
DD (1) DD232038A1 (de)
DE (1) DE3565680D1 (de)
EG (1) EG16600A (de)
ES (1) ES8602622A1 (de)
FI (1) FI851046L (de)
GE (1) GEP19960461B (de)
GR (1) GR850639B (de)
HU (1) HUT39721A (de)
IL (1) IL74522A0 (de)
IN (1) IN164392B (de)
LT (1) LT2206B (de)
LV (1) LV5225A3 (de)
MA (1) MA20372A1 (de)
MX (1) MX7357E (de)
NL (1) NL8400839A (de)
NO (1) NO851044L (de)
NZ (1) NZ211460A (de)
PL (1) PL252389A1 (de)
PT (1) PT80109B (de)
RO (1) RO91349B (de)
SU (1) SU1456009A3 (de)
TR (1) TR22418A (de)
YU (1) YU41685A (de)
ZA (1) ZA851978B (de)
ZW (1) ZW4185A1 (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8303888A (nl) * 1983-11-13 1985-06-03 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
NL8800284A (nl) * 1988-02-08 1989-09-01 Stamicarbon Werkwijze voor de bereiding van ureum.
US6274767B1 (en) † 1992-11-19 2001-08-14 Urea Casale, S.A. Process for the revamping of urea synthesis plants consisting of a stripper with ammonia
NL1000416C2 (nl) * 1995-05-23 1996-11-25 Dsm Nv Werkwijze voor de bereiding van ureum.
US5767313A (en) * 1995-05-23 1998-06-16 Dsm N.V. Method for the preparation of urea
JP3987607B2 (ja) * 1996-10-07 2007-10-10 東洋エンジニアリング株式会社 改良された尿素合成方法および装置
IT1290423B1 (it) * 1996-10-17 1998-12-03 Eurotecnica Contractors And En Procedimento per la sintesi di urea da anidride carbonica e ammoniaca
NL1004977C2 (nl) * 1997-01-13 1998-07-15 Dsm Nv Methode om de capaciteit van een bestaand ureum proces te verhogen.
NL1005118C2 (nl) * 1997-01-29 1998-07-30 Dsm Nv Werkwijze voor de bereiding van ureum.
NL1009516C2 (nl) * 1998-06-29 2000-01-04 Dsm Nv Werkwijze voor de bereiding van ureum.
NL1016643C2 (nl) * 2000-11-17 2002-05-22 Dsm Nv Werkwijze voor de bereiding van ureum.
NL1019081C2 (nl) 2001-10-01 2003-04-02 Dsm Nv Werkwijze voor de bereiding van ureum.
JP4426415B2 (ja) 2004-10-01 2010-03-03 東洋エンジニアリング株式会社 反応装置
CN101166715B (zh) * 2005-04-27 2011-11-30 东洋工程株式会社 尿素合成装置及其改造方法
EP2107051A1 (de) 2008-04-02 2009-10-07 DSM IP Assets B.V. Verfahren zur Erhöhung der Kapazität einer vorhandenen Harnstoffanlage
EP2123634A1 (de) 2008-05-19 2009-11-25 DSM IP Assets B.V. Verfahren zur Herstellung von Harnstoff aus Ammoniak und Kohlendioxid
EP2123633A1 (de) 2008-05-19 2009-11-25 DSM IP Assets B.V. Verfahren zur Herstellung von Harnstoff aus Ammoniak und Kohlendioxid
WO2013165246A1 (en) 2012-05-03 2013-11-07 Stamicarbon B.V. Method and apparatus for the production of urea from ammonia and carbon dioxide
GB2530447B (en) 2013-05-28 2020-02-26 Toyo Engineering Corp Urea synthesis method
EP2843304A1 (de) 2013-08-29 2015-03-04 Casale SA Rohrbündelvorrichtung zur Wärmerückgewinnung aus einem heißen Prozessstrom
USD843660S1 (en) 2017-11-27 2019-03-19 Mary Kay Inc. Cosmetic compact
USD850006S1 (en) 2017-11-27 2019-05-28 Mary Kay Inc. Cosmetic compact
USD863685S1 (en) 2017-11-27 2019-10-15 Mary Kay Inc. Cosmetic compact
JP7157684B2 (ja) 2019-03-14 2022-10-20 東洋エンジニアリング株式会社 尿素製造方法および装置
US12247002B2 (en) 2019-03-14 2025-03-11 Toyo Engineering Corporation Process and apparatus for urea production
PE20221806A1 (es) * 2020-02-25 2022-11-29 Casale Sa Proceso y planta para la sintesis de urea
CN115364808A (zh) * 2022-07-26 2022-11-22 哈尔滨工业大学（深圳） 一种尿素连续合成系统
WO2025198471A1 (en) 2024-03-20 2025-09-25 Stamicarbon B.V. Urea plant with modified condenser and modified reactor internals

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL101446C (de) * 1960-04-08
NL165712C (nl) * 1970-05-30 1981-05-15 Stamicarbon Werkwijze en inrichting voor het bij synthesedruk terug- winnen van ammoniak en kooldioxyde uit het spuigas van een ureumsynthese.
US4013718A (en) * 1970-09-03 1977-03-22 Snam Progetti S.P.A. Integrated process for the production of urea
AU8825782A (en) * 1981-09-01 1983-03-28 Unie Van Kunstmestfabrieken B.V. Process for the preparation of urea

Also Published As

Publication number Publication date
FI851046A7 (fi) 1985-09-17
IL74522A0 (en) 1985-06-30
FI851046A0 (fi) 1985-03-15
PL252389A1 (en) 1985-10-22
DE3565680D1 (en) 1988-11-24
NO851044L (no) 1985-09-17
ATE38033T1 (de) 1988-11-15
CN1010308B (zh) 1990-11-07
AU579614B2 (en) 1988-12-01
FI851046L (fi) 1985-09-17
AU3989385A (en) 1985-09-19
ES541294A0 (es) 1985-12-01
CA1330444C (en) 1994-06-28
HUT39721A (en) 1986-10-29
CN85101703A (zh) 1987-01-24
RO91349B (ro) 1987-09-01
NZ211460A (en) 1987-10-30
ZW4185A1 (en) 1985-06-26
SU1456009A3 (ru) 1989-01-30
GR850639B (de) 1985-07-02
PT80109A (en) 1985-04-01
BG60247B2 (bg) 1994-03-24
KR870001692B1 (ko) 1987-09-24
JPS60209555A (ja) 1985-10-22
KR850006930A (ko) 1985-10-25
EP0155735B1 (de) 1988-10-19
LV5225A3 (lv) 1993-10-10
YU41685A (en) 1987-12-31
BG60247B1 (bg) 1994-03-24
TR22418A (tr) 1987-04-30
IN164392B (de) 1989-03-11
MA20372A1 (fr) 1985-10-01
EG16600A (en) 1989-01-30
RO91349A (ro) 1987-08-31
GEP19960461B (en) 1996-05-13
DD232038A1 (de) 1986-01-15
ES8602622A1 (es) 1985-12-01
NL8400839A (nl) 1985-10-16
EP0155735A1 (de) 1985-09-25
CN85100951A (zh) 1987-01-10
BR8501156A (pt) 1985-11-12
LT2206B (lt) 1993-11-15
PT80109B (en) 1986-11-14
MX7357E (es) 1988-07-19

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