ES328042A1 - Mejoras introducidas en el procedimiento de sintetizar urea a partir de amoniaco con dioxido de carbono gaseoso. - Google Patents

Mejoras introducidas en el procedimiento de sintetizar urea a partir de amoniaco con dioxido de carbono gaseoso.

Info

Publication number
ES328042A1
ES328042A1 ES0328042A ES328042A ES328042A1 ES 328042 A1 ES328042 A1 ES 328042A1 ES 0328042 A ES0328042 A ES 0328042A ES 328042 A ES328042 A ES 328042A ES 328042 A1 ES328042 A1 ES 328042A1
Authority
ES
Spain
Prior art keywords
urea
decomposition
synthesis reaction
reaction zone
ammonia
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
ES0328042A
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.)
ExxonMobil Technology and Engineering Co
Original Assignee
Esso Research and Engineering Co
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 Esso Research and Engineering Co filed Critical Esso Research and Engineering Co
Publication of ES328042A1 publication Critical patent/ES328042A1/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053—Details of the reactor
    • B01J19/006—Baffles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00076—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
    • B01J2219/00083—Coils
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00761—Details of the reactor
    • B01J2219/00763—Baffles
    • B01J2219/00765—Baffles attached to the reactor wall
    • B01J2219/00777—Baffles attached to the reactor wall horizontal

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ES0328042A 1965-06-18 1966-06-17 Mejoras introducidas en el procedimiento de sintetizar urea a partir de amoniaco con dioxido de carbono gaseoso. Expired ES328042A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US465058A US3406201A (en) 1965-06-18 1965-06-18 Urea synthesis

Publications (1)

Publication Number Publication Date
ES328042A1 true ES328042A1 (es) 1967-04-01

Family

ID=23846335

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0328042A Expired ES328042A1 (es) 1965-06-18 1966-06-17 Mejoras introducidas en el procedimiento de sintetizar urea a partir de amoniaco con dioxido de carbono gaseoso.

Country Status (4)

Country Link
US (1) US3406201A (es)
ES (1) ES328042A1 (es)
GB (1) GB1106024A (es)
NL (1) NL6608353A (es)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1148767A (en) * 1965-10-25 1969-04-16 Nissan Chemical Ind Ltd Process for the production of melamine
US3954861A (en) * 1968-02-05 1976-05-04 Snamprogetti S.P.A Process for producing urea
US4092358A (en) * 1968-09-03 1978-05-30 Snamprogetti S.P.A. Process for the production of urea having a low carbamate content
NL168506C (nl) * 1970-12-31 1982-04-16 Stamicarbon Werkwijze voor de bereiding van ureum.
NL7307036A (es) * 1973-05-21 1974-11-25
NL8101174A (nl) * 1981-03-11 1982-10-01 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
NL8104040A (nl) * 1981-09-01 1983-04-05 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
NL8502228A (nl) * 1985-08-12 1987-03-02 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
NL8502227A (nl) * 1985-08-12 1987-03-02 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
US5891302A (en) * 1996-08-29 1999-04-06 Marquip, Inc. Heating module for upper web surface in a double backer
JP3987607B2 (ja) * 1996-10-07 2007-10-10 東洋エンジニアリング株式会社 改良された尿素合成方法および装置
NL1014756C2 (nl) 2000-03-27 2001-09-28 Dsm Nv Reactor en werkwijze voor de bereiding van ureum.
EP2123633A1 (en) * 2008-05-19 2009-11-25 DSM IP Assets B.V. Process for the production of urea from ammonia and carbon dioxide
CN103922972A (zh) * 2013-08-26 2014-07-16 贵州兴化化工股份有限公司 一种尿素生产中降温节能的控制方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL101446C (es) * 1960-04-08

Also Published As

Publication number Publication date
GB1106024A (en) 1968-03-13
NL6608353A (es) 1966-12-19
US3406201A (en) 1968-10-15

Similar Documents

Publication Publication Date Title
ES328042A1 (es) Mejoras introducidas en el procedimiento de sintetizar urea a partir de amoniaco con dioxido de carbono gaseoso.
GB952764A (en) Preparation of urea
ES337636A1 (es) Un procedimiento para la produccion de urea a partir de a- moniaco y dioxido de carbono.
GB1388669A (en) Process for reducing the concentration of nitrogen oxides in gases
ES406183A1 (es) Procedimiento para preparar urea.
GB1274504A (en) Improvements in or relating to the synthesis of ammonia
ES426480A1 (es) Un procedimiento para preparar urea.
GB1247951A (en) Process for preparing melamine from urea
GB1022825A (en) New or improved method and apparatus for carrying out chemical reactions between flowable substances and gases
GB1261170A (en) Urea synthesis process
GB945783A (en) Process for the purification of urea
ES386315A1 (es) Un procedimiento para separar melamina desde una mezcla ga-seosa de sintesis, caliente.
GB1147734A (en) Method for the preparation of urea
ES443998A1 (es) Procedimiento para el tratamiento de vapor de agua generado al concentrar una solucion acuosa de urea.
ES466103A1 (es) Un procedimiento para preparar melamina.
ES325924A1 (es) Procedimiento para la produccion de acido cianhidrico.
ES325922A1 (es) Metodo para la fabricacion de acido cianhidrico.
GB1247060A (en) Process for the preparation of urea in combination with the synthesis of ammonia
GB959358A (en) Production of urea prills of low biuret content
ES343801A1 (es) Procedimiento para la obtencion de urea cristalizada con unbajo contenido de biuret.
GB1003277A (en) Process and apparatus for the production and separation of melamine
JPS5239626A (en) Separation and recovery process of unreacted material on urea synthesi s
ES275925A1 (es) Procedimiento para la producción de urea a base de vapores amoniacales
ES309851A1 (es) Metodo de sintesis de urea.
ES389828A1 (es) Un procedimiento para separar melamina de una mezcla ca- liente de gas de sintesis.