ES309851A1 - Metodo de sintesis de urea. - Google Patents

Metodo de sintesis de urea.

Info

Publication number
ES309851A1
ES309851A1 ES0309851A ES309851A ES309851A1 ES 309851 A1 ES309851 A1 ES 309851A1 ES 0309851 A ES0309851 A ES 0309851A ES 309851 A ES309851 A ES 309851A ES 309851 A1 ES309851 A1 ES 309851A1
Authority
ES
Spain
Prior art keywords
decomposer
urea
evaporator
ammonia
carbon dioxide
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
ES0309851A
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.)
Allied Corp
Original Assignee
Allied Chemical Corp
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 Allied Chemical Corp filed Critical Allied Chemical Corp
Publication of ES309851A1 publication Critical patent/ES309851A1/es
Expired legal-status Critical Current

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ES0309851A 1964-02-27 1965-02-26 Metodo de sintesis de urea. Expired ES309851A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US34776364A 1964-02-27 1964-02-27

Publications (1)

Publication Number Publication Date
ES309851A1 true ES309851A1 (es) 1966-01-16

Family

ID=23365180

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0309851A Expired ES309851A1 (es) 1964-02-27 1965-02-26 Metodo de sintesis de urea.

Country Status (9)

Country Link
US (1) US3471558A (es)
BR (1) BR6567526D0 (es)
CH (1) CH454115A (es)
DE (1) DE1518468A1 (es)
ES (1) ES309851A1 (es)
FR (1) FR1425802A (es)
GB (1) GB1103351A (es)
IL (1) IL23062A (es)
NL (1) NL6502543A (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4919259B1 (es) * 1969-08-30 1974-05-16
NL7713190A (nl) * 1977-11-30 1979-06-01 Unie Van Kunstmestfab Bv Werkwijze en inrichting voor het verwijderen van ammoniumcarbamaat uit een ureumsynthese- oplossing.
JPS5517346A (en) * 1978-07-24 1980-02-06 Toyo Eng Corp Synthetic method of urea
US4500734A (en) * 1980-12-11 1985-02-19 Snamprogetti S.P.A. Process for the production of urea
CN115353241B (zh) * 2021-07-07 2024-05-14 南京大学宜兴环保研究院 一种快速回收高浓度尿素生产废水中尿素的方法和系统

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2744133A (en) * 1953-04-24 1956-05-01 Inventa Ag Process for the production of low-biuret content urea
US2916516A (en) * 1956-03-09 1959-12-08 Basf Ag Evaporation of aqueous urea solutions

Also Published As

Publication number Publication date
FR1425802A (fr) 1966-01-24
GB1103351A (en) 1968-02-14
IL23062A (en) 1968-08-22
US3471558A (en) 1969-10-07
BR6567526D0 (pt) 1973-08-02
DE1518468A1 (de) 1969-08-07
NL6502543A (es) 1965-08-30
CH454115A (de) 1968-04-15

Similar Documents

Publication Publication Date Title
ES266395A1 (es) Un procedimiento para la preparaciën de urea
ES471811A1 (es) Procedimiento para la sintesis de amoniaco
GB1106024A (en) Urea synthesis
GB1352759A (en) Processing of coke oven gas
ES337636A1 (es) Un procedimiento para la produccion de urea a partir de a- moniaco y dioxido de carbono.
ES309851A1 (es) Metodo de sintesis de urea.
GB1274504A (en) Improvements in or relating to the synthesis of ammonia
ES318539A1 (es) Procedimiento para la separacion de dioxido de carbono y amoniaco de una mezcla de los mismos con vapor de agua.
GB1075294A (en) Quenching of crude melamine gases
GB1115952A (en) Process for the separation of ammonia produced in medium and low pressure synthesizing plants
GB1257824A (es)
GB1259976A (en) Urea synthesis process
IE35308L (en) Urea production
ES443998A1 (es) Procedimiento para el tratamiento de vapor de agua generado al concentrar una solucion acuosa de urea.
GB1129939A (en) Process for the separation and recovery of ammonia and carbon dioxide from an ammoniacal ammonium carbonate solution
ES343801A1 (es) Procedimiento para la obtencion de urea cristalizada con unbajo contenido de biuret.
SE7608335L (sv) Forfarande for kondensering av karbamat i anleggningar for syntes av karbamid
ES461061A1 (es) Un procedimiento para sintetizar urea.
JPS5239626A (en) Separation and recovery process of unreacted material on urea synthesi s
GB958633A (en) A process of recovering melamine
ES396661A1 (es) Un procedimiento de sintesis de urea.
ES368405A1 (es) Procedimiento para la recuperacion de amoniaco.
ES450419A1 (es) Procedimiento para la condensacion del carbamato en instala-ciones de sintesis de urea.
GB1246660A (en) Process for the preparation of urea in combination with the synthesis of ammonia
GB1327321A (en) Process for urea synthesis