DK118013B - Process for working up the synthesis mixture obtained by urea synthesis from ammonia and carbon dioxide. - Google Patents

Process for working up the synthesis mixture obtained by urea synthesis from ammonia and carbon dioxide.

Info

Publication number
DK118013B
DK118013B DK1567A DK1567A DK118013B DK 118013 B DK118013 B DK 118013B DK 1567 A DK1567 A DK 1567A DK 1567 A DK1567 A DK 1567A DK 118013 B DK118013 B DK 118013B
Authority
DK
Denmark
Prior art keywords
synthesis
ammonia
working
carbon dioxide
mixture obtained
Prior art date
Application number
DK1567A
Other languages
Danish (da)
Inventor
A Buck
A Ledergerber
L Chen
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
Publication of DK118013B publication Critical patent/DK118013B/en

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
    • C07C273/14—Separation; Purification; Stabilisation; Use of additives
    • C07C273/16—Separation; Purification
    • 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)
DK1567A 1966-04-05 1967-03-28 Process for working up the synthesis mixture obtained by urea synthesis from ammonia and carbon dioxide. DK118013B (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
DK118013B true DK118013B (en) 1970-06-29

Family

ID=4286155

Family Applications (1)

Application Number Title Priority Date Filing Date
DK1567A DK118013B (en) 1966-04-05 1967-03-28 Process for working up the synthesis mixture obtained by urea synthesis from ammonia and carbon dioxide.

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
NL8104039A (en) * 1981-09-01 1983-04-05 Unie Van Kunstmestfab Bv METHOD FOR THE PREPARATION OF UREA.
NL8104040A (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
MX2012004975A (en) 2009-10-28 2012-07-20 Oasys Water Inc Forward osmosis separation processes.
BR112012010015A2 (en) 2009-10-30 2016-05-24 Oasys Water Inc osmotic separation system and method
CN105439246A (en) 2011-04-25 2016-03-30 Oasys水有限公司 Osmotic separation systems and methods

Also Published As

Publication number Publication date
CH468356A (en) 1969-02-15
BE684673A (en) 1967-01-03
AT272360B (en) 1969-07-10
DE1568845A1 (en) 1972-04-13
GB1124868A (en) 1968-08-21
NL6704780A (en) 1967-10-06

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