ES8404676A1 - Procedimiento para preparar urea. - Google Patents

Procedimiento para preparar urea.

Info

Publication number
ES8404676A1
ES8404676A1 ES516549A ES516549A ES8404676A1 ES 8404676 A1 ES8404676 A1 ES 8404676A1 ES 516549 A ES516549 A ES 516549A ES 516549 A ES516549 A ES 516549A ES 8404676 A1 ES8404676 A1 ES 8404676A1
Authority
ES
Spain
Prior art keywords
reaction
gas stream
treatment step
optimal
reaction zone
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
ES516549A
Other languages
English (en)
Spanish (es)
Other versions
ES516549A0 (es
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.)
Casale SA
Original Assignee
Ammonia Casale SA
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 Ammonia Casale SA filed Critical Ammonia Casale SA
Publication of ES516549A0 publication Critical patent/ES516549A0/es
Publication of ES8404676A1 publication Critical patent/ES8404676A1/es
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)
ES516549A 1981-10-16 1982-10-15 Procedimiento para preparar urea. Expired ES8404676A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8124526A IT1211125B (it) 1981-10-16 1981-10-16 Composti azotati. processo per la preparazione di

Publications (2)

Publication Number Publication Date
ES516549A0 ES516549A0 (es) 1984-05-01
ES8404676A1 true ES8404676A1 (es) 1984-05-01

Family

ID=11213863

Family Applications (1)

Application Number Title Priority Date Filing Date
ES516549A Expired ES8404676A1 (es) 1981-10-16 1982-10-15 Procedimiento para preparar urea.

Country Status (12)

Country Link
US (1) US4670588A (https=)
JP (1) JPS5883666A (https=)
AR (1) AR230620A1 (https=)
CA (1) CA1327606C (https=)
DE (1) DE3228594A1 (https=)
ES (1) ES8404676A1 (https=)
FR (1) FR2514758B1 (https=)
GB (1) GB2107311B (https=)
IN (1) IN157310B (https=)
IT (1) IT1211125B (https=)
NL (1) NL8203258A (https=)
SU (1) SU1428191A3 (https=)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8400840A (nl) * 1984-03-16 1985-10-16 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
JPH082859B2 (ja) * 1987-02-24 1996-01-17 東洋エンジニアリング株式会社 尿素製造方法
IN169678B (https=) * 1987-08-13 1991-11-30 Austral Pacific Fertilizers
ATE134994T1 (de) * 1990-10-05 1996-03-15 Urea Casale Sa Verfahren zur herstellung von harnstoff mit unterschiedlichen leistungen sowie die implementierung in existierenden anlagen
US5276183A (en) * 1991-01-29 1994-01-04 Urea Casale S.A. Process and plant for the production of urea
ATE167666T1 (de) * 1991-11-14 1998-07-15 Urea Casale Sa Verfahren zur herstellung von harnstoff mit reaktionsräumen unterschiedlicher ausbeuten
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
TR199501627A2 (tr) * 1994-12-23 1996-07-21 Urea Casale Sa Tepkime alanlari farkli verimlere sahip olmak üzere, üre üretimi icin yöntem ve donanim.
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
US5767313A (en) * 1995-05-23 1998-06-16 Dsm N.V. Method for the preparation of urea
US6231632B1 (en) 1999-05-25 2001-05-15 Engelhard Corporation Urea processing agent
EP2644264A1 (de) 2012-03-28 2013-10-02 Aurotec GmbH Druckreguliertes Mehrreaktorsystem

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH498811A (de) * 1967-05-22 1970-11-15 Chemical Construction Corp Verfahren zur Herstellung von Harnstoff aus Ammoniak und Kohlendioxyd
ES379855A1 (es) * 1969-06-11 1973-02-16 Titsui Toatsu Chemicals Inc Procedimiento para sintetizar urea de dioxido de carbono y amoniaco.
US4137262A (en) * 1969-10-16 1979-01-30 Snam Progetti S.P.A. Process for the production of urea
US3984469A (en) * 1969-10-16 1976-10-05 Snam Progetti S.P.A. Process for the production of urea
BE787832A (fr) * 1971-09-02 1973-02-22 Stamicarbon Procede pour la preparation d'uree
IT1068268B (it) * 1976-09-09 1985-03-21 Snam Progetti Procedimento per la produzione di urea e purificazione delle acque
SE446978B (sv) * 1977-05-05 1986-10-20 Montedison Spa Isobariskt dubbelatercirkulationsforfarande for syntetisering av urea under bildning av ammoniumkarbamat som mellanprodukt
IT1174366B (it) * 1978-07-24 1987-07-01 Ortu Francesco Decompositore di carbammato per produzione industriale di urea
IT1141030B (it) * 1980-08-29 1986-10-01 Snam Progetti Procedimento per la produzione di urea

Also Published As

Publication number Publication date
FR2514758A1 (fr) 1983-04-22
SU1428191A3 (ru) 1988-09-30
GB2107311A (en) 1983-04-27
IN157310B (https=) 1986-03-01
IT8124526A0 (it) 1981-10-16
AR230620A1 (es) 1984-05-31
IT1211125B (it) 1989-09-29
GB2107311B (en) 1986-01-29
CA1327606C (en) 1994-03-08
DE3228594A1 (de) 1983-04-28
JPS5883666A (ja) 1983-05-19
US4670588A (en) 1987-06-02
ES516549A0 (es) 1984-05-01
FR2514758B1 (fr) 1985-07-05
NL8203258A (nl) 1983-05-16

Similar Documents

Publication Publication Date Title
ES8404676A1 (es) Procedimiento para preparar urea.
AU579614B2 (en) Process for the preparation of urea
UA43341C2 (uk) Спосіб синтезу сечовини (варіанти)
ES2061961T3 (es) Procedimiento integrado para la produccion de aminoacetonitrilos.
ATE134994T1 (de) Verfahren zur herstellung von harnstoff mit unterschiedlichen leistungen sowie die implementierung in existierenden anlagen
EG21110A (en) Highyield process for urea synthesis
EG20972A (en) Process and plant for the production of urea with high conversion yield and low energy consumption
BG27895A3 (bg) Метод за получаване на карбамид
DE3565532D1 (en) Process for the preparation of urea
ES443998A1 (es) Procedimiento para el tratamiento de vapor de agua generado al concentrar una solucion acuosa de urea.
ES2033175A1 (es) Obtencion en continuo de sales fertilizantes con derivados de estroncio y yeso.
ES466103A1 (es) Un procedimiento para preparar melamina.
DE3567846D1 (en) Process for preparing cyanamide
GB1147734A (en) Method for the preparation of urea
SU1072799A3 (ru) Способ получени мочевины
EP0136764A3 (en) Process for the preparation of urea
ES8306104A1 (es) "un procedimiento mejorado para la preparacion de urea".
ES8505415A1 (es) Un metodo para recuperar plomo a partir de cloruro de plomo
FR2411850A1 (fr) Procede de production continue de solutions aqueuses d'uree et de formaldehyde
JPH08198838A (ja) 尿素合成方法
IT1195531B (it) Procedimento per ottenere urea