OA08383A - Procédé de préparation d'urée. - Google Patents

Procédé de préparation d'urée.

Info

Publication number
OA08383A
OA08383A OA58927A OA58927A OA08383A OA 08383 A OA08383 A OA 08383A OA 58927 A OA58927 A OA 58927A OA 58927 A OA58927 A OA 58927A OA 08383 A OA08383 A OA 08383A
Authority
OA
OAPI
Prior art keywords
preparing urea
urea
preparing
Prior art date
Application number
OA58927A
Other languages
English (en)
French (fr)
Inventor
Jozef Hubert Meessen
Rudolf Sipkema
Original Assignee
Stamicarbon
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 Stamicarbon filed Critical Stamicarbon
Publication of OA08383A publication Critical patent/OA08383A/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02Preparation 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
    • C07C273/04Preparation 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
OA58927A 1985-08-12 1986-08-12 Procédé de préparation d'urée. OA08383A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
OA08383A true OA08383A (fr) 1988-02-29

Family

ID=19846410

Family Applications (1)

Application Number Title Priority Date Filing Date
OA58927A OA08383A (fr) 1985-08-12 1986-08-12 Procédé de préparation d'urée.

Country Status (19)

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

Families Citing this family (16)

* 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.
DE69226010T2 (de) * 1991-11-14 1999-02-25 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
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
DE60201384T3 (de) 2001-07-23 2012-01-26 Toyo Engineering Corp. Verfahren zur Harnstoffsynthese
EP1918273A1 (en) * 2006-11-04 2008-05-07 Urea Casale S.A. Process for urea production and related plant
ITMI20071029A1 (it) * 2007-05-22 2008-11-23 Snam Progetti Procedimento migliorato per la sintesi di urea
EP2343274A1 (en) * 2010-01-07 2011-07-13 Stamicarbon B.V. A urea stripping process for the production of urea
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
CA2997366A1 (en) * 2015-09-08 2017-03-16 Toyo Engineering Corporation Urea manufacturing method and urea manufacturing apparatus

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
NO163097B (no) 1989-12-27
TR22843A (tr) 1988-08-22
IL79678A0 (en) 1986-11-30
US4801745A (en) 1989-01-31
NO863211D0 (no) 1986-08-08
AU592360B2 (en) 1990-01-11
KR870002057A (ko) 1987-03-28
JPS6239559A (ja) 1987-02-20
AU6103986A (en) 1987-02-19
ZA865985B (en) 1987-03-25
BR8603801A (pt) 1987-03-17
CN86105256A (zh) 1987-04-01
YU139786A (en) 1988-04-30
ES2000389A6 (es) 1988-02-16
EP0212744A1 (en) 1987-03-04
SU1494865A3 (ru) 1989-07-15
NO163097C (no) 1990-04-04
HUT45970A (en) 1988-09-28
BG45384A3 (xx) 1989-05-15
NO863211L (no) 1987-02-13
NL8502227A (nl) 1987-03-02
GR862097B (en) 1986-12-30

Similar Documents

Publication Publication Date Title
OA06914A (fr) Procédé de préparation d'iminodiacides substitués.
BR8602293A (pt) Processo catalitico de preparacao 1,4-cispolibutadieno
FI891338A0 (fi) Parannus menetelmään 2',3'-dideoksi-2',3'-didehydronukleosidien valmistamiseksi
OA08383A (fr) Procédé de préparation d'urée.
OA08384A (fr) Procédé de préparation de l'urée.
EP0212161A3 (en) Process for preparing 1,5-diazido-3-nitrazapentane
CS326886A2 (en) Process for preparing 1,3,5-triazintriones
OA07984A (fr) Procédé stéréocontrolé de préparation d'acetoxyazetidione.
MA21100A1 (fr) Procede de preparation d'uree .
OA07202A (fr) Procédé pour la préparation de l'urée
FR2565590B1 (fr) Procede de preparation d'aminohydroxycephamcarboxylates
EG18504A (en) Process for concentrating urea
EG17682A (en) Process for preparing 4,4-dialkyl-2-azetidinones
EP0215949A4 (en) PRODUCTION PROCESS 16-SUBSTITUTED PROSTAGLANDINE-E.
IT1208537B (it) Processo per la preparazione dell'isosorbide-5-monoidrato.
HUT40796A (en) Process for preparing 1,3-dioxane-ethers
PT80830A (fr) Procede de preparation de medicaments contenant d'aminomethylene-2-indanediones-1,3 substituees sur l'azote
YU218886A (en) Process for obtaining optical active 2-chloro-12-(3-dimethylamino-2-methyl-propyl)-12h-dibenzo/d,g/1,3,6/dioxazocine
FR2605318B1 (fr) Procede de preparation d'azetidinones.
GR860230B (en) Process for preparing 6-chloro -3-methyl-1h- 2,3,4,5-tetrahydro-3-benzazepine-n-oxide
OA07201A (fr) Procédé pour la préparation de l'urée .
FR2565970B1 (fr) Procede de preparation d'aminobenzylamines
RO93222A2 (ro) Procedeu pentru obtinerea acidului 1,4-dihidroxi-2-naftoic
FR2588557B1 (fr) Procede de preparation d'arylaminoaluminium
IT8621945A0 (it) Processo per la granulazione dell'urea.