AT272360B - Process for working up the urea synthesis mixture - Google Patents

Process for working up the urea synthesis mixture

Info

Publication number
AT272360B
AT272360B AT317567A AT317567A AT272360B AT 272360 B AT272360 B AT 272360B AT 317567 A AT317567 A AT 317567A AT 317567 A AT317567 A AT 317567A AT 272360 B AT272360 B AT 272360B
Authority
AT
Austria
Prior art keywords
working
urea synthesis
synthesis mixture
mixture
urea
Prior art date
Application number
AT317567A
Other languages
German (de)
Inventor
Anton Ledergerber
Lung-Pao Chen
Alfred Buck
Original Assignee
Inventa Ag
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 Inventa Ag filed Critical Inventa Ag
Application granted granted Critical
Publication of AT272360B publication Critical patent/AT272360B/en

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
    • C07C273/14Separation; Purification; Stabilisation; Use of additives
    • C07C273/16Separation; Purification
    • 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)
AT317567A 1966-04-05 1967-04-03 Process for working up the urea synthesis mixture AT272360B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH499766A CH468356A (en) 1966-04-05 1966-04-05 Process for working up the synthesis mixture obtained in the synthesis of urea from ammonia and carbon dioxide in a synthesis reactor at elevated pressure and elevated temperature

Publications (1)

Publication Number Publication Date
AT272360B true AT272360B (en) 1969-07-10

Family

ID=4286155

Family Applications (1)

Application Number Title Priority Date Filing Date
AT317567A AT272360B (en) 1966-04-05 1967-04-03 Process for working up the urea synthesis mixture

Country Status (7)

Country Link
AT (1) AT272360B (en)
BE (1) BE684673A (en)
CH (1) CH468356A (en)
DE (1) DE1568845A1 (en)
DK (1) DK118013B (en)
GB (1) GB1124868A (en)
NL (1) NL6704780A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4832091B1 (en) * 1968-02-12 1973-10-04
NL156686B (en) * 1968-03-16 1978-05-16 Stamicarbon PROCEDURE FOR THE PREPARATION OF UREA IN COMBINATION WITH THE SYNTHESIS OF AMMONIA.
US3984469A (en) * 1969-10-16 1976-10-05 Snam Progetti S.P.A. Process for the production of urea
JPS5189B1 (en) * 1970-03-12 1976-01-05
IT1068268B (en) * 1976-09-09 1985-03-21 Snam Progetti PROCEDURE FOR THE PRODUCTION OF UREA AND PURIFICATION OF WATERS
NL8104040A (en) * 1981-09-01 1983-04-05 Unie Van Kunstmestfab Bv METHOD FOR THE PREPARATION OF UREA.
NL8104039A (en) * 1981-09-01 1983-04-05 Unie Van Kunstmestfab Bv METHOD FOR THE PREPARATION OF UREA.
JPS61109760A (en) * 1984-11-02 1986-05-28 Toyo Eng Corp Production of urea
EP0569629A1 (en) * 1992-05-11 1993-11-18 Union Oil Company of California, dba UNOCAL Method for producing acidic urea solutions
AU2010319846B2 (en) 2009-10-28 2015-05-28 Oasys Water LLC Forward osmosis separation processes
MX2012004989A (en) 2009-10-30 2012-06-12 Oasys Water Inc Osmotic separation systems and methods.
WO2012148911A2 (en) 2011-04-25 2012-11-01 Oasys Water, Inc. Osmotic separation systems and methods

Also Published As

Publication number Publication date
GB1124868A (en) 1968-08-21
CH468356A (en) 1969-02-15
NL6704780A (en) 1967-10-06
DE1568845A1 (en) 1972-04-13
BE684673A (en) 1967-01-03
DK118013B (en) 1970-06-29

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