GB1217219A - Process for recovering excess ammonia in urea synthesis - Google Patents

Process for recovering excess ammonia in urea synthesis

Info

Publication number
GB1217219A
GB1217219A GB3749768A GB3749768A GB1217219A GB 1217219 A GB1217219 A GB 1217219A GB 3749768 A GB3749768 A GB 3749768A GB 3749768 A GB3749768 A GB 3749768A GB 1217219 A GB1217219 A GB 1217219A
Authority
GB
United Kingdom
Prior art keywords
ammonia
urea
synthesis
pressure
excess
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
GB3749768A
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.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
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 Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Publication of GB1217219A publication Critical patent/GB1217219A/en
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)
GB3749768A 1967-08-10 1968-08-06 Process for recovering excess ammonia in urea synthesis Expired GB1217219A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5108667 1967-08-10
JP1385668 1968-03-05

Publications (1)

Publication Number Publication Date
GB1217219A true GB1217219A (en) 1970-12-31

Family

ID=26349707

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3749768A Expired GB1217219A (en) 1967-08-10 1968-08-06 Process for recovering excess ammonia in urea synthesis

Country Status (5)

Country Link
DK (1) DK120435B (nl)
ES (1) ES357094A1 (nl)
FR (1) FR1581794A (nl)
GB (1) GB1217219A (nl)
NL (1) NL166012C (nl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2477961B1 (en) 2009-09-16 2016-04-20 Stamicarbon B.V. Removal of urea and ammonia from exhaust gases

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52105125A (en) * 1976-03-02 1977-09-03 Mitsui Toatsu Chem Inc Separation and recovery of unreacted material on urea synthesis

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2477961B1 (en) 2009-09-16 2016-04-20 Stamicarbon B.V. Removal of urea and ammonia from exhaust gases
US10640428B2 (en) 2009-09-16 2020-05-05 Stamicarbon B.V. Removal of urea and ammonia from exhaust gases
EP2477961B2 (en) 2009-09-16 2023-12-06 Stamicarbon B.V. Removal of urea and ammonia from exhaust gases

Also Published As

Publication number Publication date
DE1793133B1 (de) 1972-06-29
NL6811385A (nl) 1969-02-12
NL166012B (nl) 1981-01-15
DK120435B (da) 1971-06-01
FR1581794A (nl) 1969-09-19
ES357094A1 (es) 1970-03-01
NL166012C (nl) 1981-06-15

Similar Documents

Publication Publication Date Title
GB1066954A (en) Separation of ammonia from aqueous solutions
GB1185944A (en) Process for the Synthesis of Urea
SU869551A3 (ru) Способ выделени аммиака и углекислоты из их смеси
GB1462117A (en) Partial or complete separation of gas mixtures containing ammonia 'nd carbon dioxide
GB1247951A (en) Process for preparing melamine from urea
GB1295742A (nl)
GB753342A (en) Improvements in or relating to urea purification
GB1217219A (en) Process for recovering excess ammonia in urea synthesis
GB1274504A (en) Improvements in or relating to the synthesis of ammonia
IE35308B1 (en) Process for the production of urea
US3573173A (en) Process for recovering excess ammonia in urea synthesis by direct contact condensation with liquid ammonia
GB1348937A (en) Processing of coke oven gas
GB1320950A (en) Process for the preparation of urea and melamine
US3281464A (en) Urea purification with recovery of ammonia and carbon dioxide
US3046307A (en) Distillation process for synthesizing
US2698344A (en) Process for the production of guanidine sulfamate
GB920927A (en) Urea synthesis
ES309851A1 (es) Metodo de sintesis de urea.
GB1130513A (en) Production of trioxane
GB1508119A (en) Synthesis of urea
GB1328304A (en) Process for the manufacture of carbon disulphide with recovery of sulphur
US3347915A (en) Production of urea
GB1250695A (nl)
GB455865A (en) Improvements in and apparatus for the separation of carbon dioxide and/or hydrogen sulphide from ammonia
ES394214A1 (es) Procedimiento para la produccion de fluoruro de aluminio.