FR1285786A - Préparation d'urée - Google Patents

Préparation d'urée

Info

Publication number
FR1285786A
FR1285786A FR857967A FR857967A FR1285786A FR 1285786 A FR1285786 A FR 1285786A FR 857967 A FR857967 A FR 857967A FR 857967 A FR857967 A FR 857967A FR 1285786 A FR1285786 A FR 1285786A
Authority
FR
France
Prior art keywords
urea preparation
urea
preparation
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR857967A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stamicarbon BV
Original Assignee
Stamicarbon 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 Stamicarbon BV filed Critical Stamicarbon BV
Application granted granted Critical
Publication of FR1285786A publication Critical patent/FR1285786A/fr
Expired legal-status Critical Current

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)
FR857967A 1960-04-08 1961-04-06 Préparation d'urée Expired FR1285786A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL250349 1960-04-08

Publications (1)

Publication Number Publication Date
FR1285786A true FR1285786A (fr) 1962-02-23

Family

ID=19752273

Family Applications (1)

Application Number Title Priority Date Filing Date
FR857967A Expired FR1285786A (fr) 1960-04-08 1961-04-06 Préparation d'urée

Country Status (11)

Country Link
US (1) US3356723A (fr)
BE (1) BE602219A (fr)
CH (1) CH411833A (fr)
DE (1) DE1166769B (fr)
ES (1) ES266395A1 (fr)
FR (1) FR1285786A (fr)
GB (1) GB952764A (fr)
GR (1) GR29902B (fr)
MY (1) MY6700126A (fr)
NL (2) NL250349A (fr)
OA (1) OA01009A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2051080A5 (fr) * 1969-06-11 1971-04-02 Mitsui Toatsu Chemicals
US3954861A (en) * 1968-02-05 1976-05-04 Snamprogetti S.P.A Process for producing urea
FR2389601A1 (fr) * 1977-05-05 1978-12-01 Montedison Spa
FR2467196A1 (fr) * 1979-10-08 1981-04-17 Mitsui Toatsu Chemicals Procede de synthese de l'uree a partir de dioxyde de carbone et d'ammoniac
EP0612560A1 (fr) * 1993-02-22 1994-08-31 Wladimiro Bizzotto Réacteur sous haute pression pour la production de mélamine

Families Citing this family (25)

* 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
US4092358A (en) * 1968-09-03 1978-05-30 Snamprogetti S.P.A. Process for the production of urea having a low carbamate content
US3876696A (en) * 1968-09-03 1975-04-08 Snam Progetti Process for the production of urea having a low carbamate content
US3686305A (en) * 1969-02-19 1972-08-22 Mitsui Toatsu Chemicals Method for synthesizing urea
US4154760A (en) * 1969-06-11 1979-05-15 Mitsui Toatsu Chemicals, Inc. Process for controlling the temperature during urea synthesis
BE787832A (fr) * 1971-09-02 1973-02-22 Stamicarbon Procede pour la preparation d'uree
US4036878A (en) * 1972-06-12 1977-07-19 Unie Van Kunstmestfabrieken, B.V. Process for preparing urea
NL172058C (nl) * 1972-06-12 1983-07-01 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
NL7307036A (fr) * 1973-05-21 1974-11-25
CA1017535A (en) * 1974-03-29 1977-09-20 Charles Vydra Method and apparatus for the continuous condensation of a gaseous mixture of ammonia, carbon dioxide and water vapour
US4094903A (en) * 1976-01-21 1978-06-13 Ivo Mavrovic Urea synthesis with improved heat recovery and conversion
NL7713190A (nl) * 1977-11-30 1979-06-01 Unie Van Kunstmestfab Bv Werkwijze en inrichting voor het verwijderen van ammoniumcarbamaat uit een ureumsynthese- oplossing.
IT1174366B (it) * 1978-07-24 1987-07-01 Ortu Francesco Decompositore di carbammato per produzione industriale di urea
JPS5573651A (en) * 1978-11-30 1980-06-03 Toyo Eng Corp Preparation of urea
IT1141030B (it) * 1980-08-29 1986-10-01 Snam Progetti Procedimento per la produzione di urea
JPS5746954A (en) * 1980-09-05 1982-03-17 Mitsui Toatsu Chem Inc Synthesis of urea
IT1163783B (it) * 1983-07-14 1987-04-08 Montedison Spa Processo per la produzione di urea con bassi consumi di vapore
NL187393C (nl) * 1982-11-26 1991-09-16 V I Kucheryavy T M Bogdanova D Werkwijze voor het bereiden van ureum.
NL8400839A (nl) * 1984-03-16 1985-10-16 Unie Van Kunstmestfab Bv 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.
IT1274362B (it) * 1995-02-16 1997-07-17 Snam Progetti Procedimento ad alta resa per la sintesi dell'urea
NL1004977C2 (nl) * 1997-01-13 1998-07-15 Dsm Nv Methode om de capaciteit van een bestaand ureum proces te verhogen.
ITMI20110804A1 (it) 2011-05-10 2012-11-11 Saipem Spa "processo ad alta resa per la sintesi dell'urea"
CN103748071B (zh) * 2011-10-14 2017-03-08 斯塔米卡邦有限公司 尿素精整加工方法
AU2018366077B2 (en) * 2017-11-10 2021-07-08 Stamicarbon B.V. Urea production process and plant

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE581293A (fr) * 1958-08-08 1900-01-01

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3954861A (en) * 1968-02-05 1976-05-04 Snamprogetti S.P.A Process for producing urea
FR2051080A5 (fr) * 1969-06-11 1971-04-02 Mitsui Toatsu Chemicals
FR2389601A1 (fr) * 1977-05-05 1978-12-01 Montedison Spa
FR2467196A1 (fr) * 1979-10-08 1981-04-17 Mitsui Toatsu Chemicals Procede de synthese de l'uree a partir de dioxyde de carbone et d'ammoniac
EP0612560A1 (fr) * 1993-02-22 1994-08-31 Wladimiro Bizzotto Réacteur sous haute pression pour la production de mélamine
US5486339A (en) * 1993-02-22 1996-01-23 Bizzotto; Wladimiro High-pressure melamine reactor

Also Published As

Publication number Publication date
NL101446C (fr)
GR29902B (el) 1961-04-05
ES266395A1 (es) 1961-11-01
BE602219A (fr) 1961-10-05
US3356723A (en) 1967-12-05
OA01009A (fr) 1968-08-07
NL250349A (fr)
DE1166769B (de) 1964-04-02
CH411833A (de) 1966-04-30
GB952764A (en) 1964-03-18
MY6700126A (en) 1967-12-31

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