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NL8502227A - Werkwijze voor de bereiding van ureum. - Google Patents

Werkwijze voor de bereiding van ureum. Download PDF

Info

Publication number
NL8502227A
NL8502227A NL8502227A NL8502227A NL8502227A NL 8502227 A NL8502227 A NL 8502227A NL 8502227 A NL8502227 A NL 8502227A NL 8502227 A NL8502227 A NL 8502227A NL 8502227 A NL8502227 A NL 8502227A
Authority
NL
Netherlands
Prior art keywords
urea
solution
gas mixture
zone
pressure
Prior art date
Application number
NL8502227A
Other languages
English (en)
Dutch (nl)
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
Priority to NL8502227A priority Critical patent/NL8502227A/nl
Priority to KR1019860006383A priority patent/KR870002057A/ko
Priority to YU01397/86A priority patent/YU139786A/xx
Priority to EP86201386A priority patent/EP0212744A1/fr
Priority to ZA865985A priority patent/ZA865985B/xx
Priority to GR862097A priority patent/GR862097B/el
Priority to NO863211A priority patent/NO163097C/no
Priority to HU863515A priority patent/HUT45970A/hu
Priority to SU864027931A priority patent/SU1494865A3/ru
Priority to BR8603801A priority patent/BR8603801A/pt
Priority to ES8600966A priority patent/ES2000389A6/es
Priority to CN198686105256A priority patent/CN86105256A/zh
Priority to US06/895,430 priority patent/US4801745A/en
Priority to TR449/86A priority patent/TR22843A/xx
Priority to AU61039/86A priority patent/AU592360B2/en
Priority to IL79678A priority patent/IL79678A0/xx
Priority to BG076137A priority patent/BG45384A3/xx
Priority to JP61187947A priority patent/JPS6239559A/ja
Priority to OA58927A priority patent/OA08383A/fr
Publication of NL8502227A publication Critical patent/NL8502227A/nl

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)
NL8502227A 1985-08-12 1985-08-12 Werkwijze voor de bereiding van ureum. NL8502227A (nl)

Priority Applications (19)

Application Number Priority Date Filing Date Title
NL8502227A NL8502227A (nl) 1985-08-12 1985-08-12 Werkwijze voor de bereiding van ureum.
KR1019860006383A KR870002057A (ko) 1985-08-12 1986-08-02 요소의 제조 방법
YU01397/86A YU139786A (en) 1985-08-12 1986-08-06 Process for obtaining carbamide
EP86201386A EP0212744A1 (fr) 1985-08-12 1986-08-07 Procédé de préparation de l'urée
ZA865985A ZA865985B (en) 1985-08-12 1986-08-08 Process for the preparation of urea
GR862097A GR862097B (en) 1985-08-12 1986-08-08 Process for the preparation of urea
NO863211A NO163097C (no) 1985-08-12 1986-08-08 Fremgangsmaate ved fremstilling av urea.
HU863515A HUT45970A (en) 1985-08-12 1986-08-08 Process for production of carbamides
SU864027931A SU1494865A3 (ru) 1985-08-12 1986-08-08 Способ получени мочевины
BR8603801A BR8603801A (pt) 1985-08-12 1986-08-08 Processo para a preparacao de ureia e ureia e solucao de ureia assim obtidas
ES8600966A ES2000389A6 (es) 1985-08-12 1986-08-08 Un procedimiento de preparacion de urea
CN198686105256A CN86105256A (zh) 1985-08-12 1986-08-09 制备脲素的方法
US06/895,430 US4801745A (en) 1985-08-12 1986-08-11 Improved process for the preparation of urea
TR449/86A TR22843A (tr) 1985-08-12 1986-08-11 Amonyak ve karbon dioksitten uere hazirlanmasina mahsus yoentem
AU61039/86A AU592360B2 (en) 1985-08-12 1986-08-11 Process for the preparation of urea
IL79678A IL79678A0 (en) 1985-08-12 1986-08-11 Preparation of urea
BG076137A BG45384A3 (bg) 1985-08-12 1986-08-11 Метод за получаване на карбамид
JP61187947A JPS6239559A (ja) 1985-08-12 1986-08-12 尿素の製法
OA58927A OA08383A (fr) 1985-08-12 1986-08-12 Procédé de préparation d'urée.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8502227A NL8502227A (nl) 1985-08-12 1985-08-12 Werkwijze voor de bereiding van ureum.
NL8502227 1985-08-12

Publications (1)

Publication Number Publication Date
NL8502227A true NL8502227A (nl) 1987-03-02

Family

ID=19846410

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8502227A NL8502227A (nl) 1985-08-12 1985-08-12 Werkwijze voor de bereiding van ureum.

Country Status (19)

Country Link
US (1) US4801745A (fr)
EP (1) EP0212744A1 (fr)
JP (1) JPS6239559A (fr)
KR (1) KR870002057A (fr)
CN (1) CN86105256A (fr)
AU (1) AU592360B2 (fr)
BG (1) BG45384A3 (fr)
BR (1) BR8603801A (fr)
ES (1) ES2000389A6 (fr)
GR (1) GR862097B (fr)
HU (1) HUT45970A (fr)
IL (1) IL79678A0 (fr)
NL (1) NL8502227A (fr)
NO (1) NO163097C (fr)
OA (1) OA08383A (fr)
SU (1) SU1494865A3 (fr)
TR (1) TR22843A (fr)
YU (1) YU139786A (fr)
ZA (1) ZA865985B (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8800259A (nl) * 1988-02-04 1989-09-01 Stamicarbon Werkwijze voor het concentreren van een ureumoplossing.
IT1232669B (it) * 1989-09-15 1992-03-02 Snam Progetti Procedimento per la produzione di urea con elevato rendimento energetico.
ATE167666T1 (de) * 1991-11-14 1998-07-15 Urea Casale Sa Verfahren zur herstellung von harnstoff mit reaktionsräumen unterschiedlicher ausbeuten
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
IT1274362B (it) * 1995-02-16 1997-07-17 Snam Progetti Procedimento ad alta resa per la sintesi dell'urea
US5597454A (en) * 1995-04-06 1997-01-28 Lee; Jing M. Process for producing urea
JP4358428B2 (ja) 2000-11-01 2009-11-04 東洋エンジニアリング株式会社 尿素製造方法
EP1279663B2 (fr) † 2001-07-23 2010-07-28 Toyo Engineering Corporation Procédé pour synthèse de l'urée
JP4627959B2 (ja) * 2001-07-23 2011-02-09 東洋エンジニアリング株式会社 尿素合成方法
EP1918273A1 (fr) * 2006-11-04 2008-05-07 Urea Casale S.A. Procédé et installation pour la production d'urée
ITMI20071029A1 (it) * 2007-05-22 2008-11-23 Snam Progetti Procedimento migliorato per la sintesi di urea
EP2343274A1 (fr) * 2010-01-07 2011-07-13 Stamicarbon B.V. Procédé d'extraction d'urée pour la production d'urée
ITMI20110804A1 (it) 2011-05-10 2012-11-11 Saipem Spa "processo ad alta resa per la sintesi dell'urea"
ITMI20120013A1 (it) 2012-01-09 2013-07-10 Saipem Spa Procedimento per la sintesi di urea comprendente un flusso di passivazione a fondo stripper
JP6762306B2 (ja) * 2015-09-08 2020-09-30 東洋エンジニアリング株式会社 尿素製造方法及び尿素製造装置
US12060313B2 (en) 2021-02-22 2024-08-13 Stamicarbon B.V. Urea production process and plant with parallel MP units

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3406201A (en) * 1965-06-18 1968-10-15 Exxon Research Engineering Co Urea synthesis
NL172058C (nl) * 1972-06-12 1983-07-01 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
JPS5268129A (en) * 1975-12-05 1977-06-06 Mitsui Toatsu Chem Inc Recovery of unreacted material and heat on urea synthesis
IT1068268B (it) * 1976-09-09 1985-03-21 Snam Progetti Procedimento per la produzione di urea e purificazione delle acque
IT1065422B (it) * 1976-12-23 1985-02-25 Snam Progetti Processo ammoniaca-urea integrato per la produzione di urea
JPS5750954A (en) * 1980-09-12 1982-03-25 Mitsui Toatsu Chem Inc Synthesis of urea
GB2089786B (en) * 1980-12-23 1985-02-20 Mitsui Toatsu Chemicals Process for synthesizing urea
NL8303888A (nl) * 1983-11-13 1985-06-03 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.

Also Published As

Publication number Publication date
NO863211L (no) 1987-02-13
US4801745A (en) 1989-01-31
BR8603801A (pt) 1987-03-17
GR862097B (en) 1986-12-30
HUT45970A (en) 1988-09-28
YU139786A (en) 1988-04-30
OA08383A (fr) 1988-02-29
CN86105256A (zh) 1987-04-01
JPS6239559A (ja) 1987-02-20
ES2000389A6 (es) 1988-02-16
NO163097C (no) 1990-04-04
SU1494865A3 (ru) 1989-07-15
NO163097B (no) 1989-12-27
KR870002057A (ko) 1987-03-28
AU592360B2 (en) 1990-01-11
AU6103986A (en) 1987-02-19
TR22843A (tr) 1988-08-22
ZA865985B (en) 1987-03-25
BG45384A3 (bg) 1989-05-15
IL79678A0 (en) 1986-11-30
NO863211D0 (no) 1986-08-08
EP0212744A1 (fr) 1987-03-04

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Legal Events

Date Code Title Description
A1B A search report has been drawn up
BV The patent application has lapsed