DK118013B - Fremgangsmåde til oparbejdning af den ved urinstofsyntese ud fra ammoniak og carbondioxid udvundne synteseblanding. - Google Patents

Fremgangsmåde til oparbejdning af den ved urinstofsyntese ud fra ammoniak og carbondioxid udvundne synteseblanding.

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)
English (en)
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/da

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)
DK1567A 1966-04-05 1967-03-28 Fremgangsmåde til oparbejdning af den ved urinstofsyntese ud fra ammoniak og carbondioxid udvundne synteseblanding. DK118013B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH499766A CH468356A (de) 1966-04-05 1966-04-05 Verfahren zur Aufarbeitung des bei der Synthese von Harnstoff aus Ammoniak und Kohlendioxyd in einem Synthesereaktor bei erhöhtem Druck und erhöhter Temperatur erhaltenen Synthesegemisches

Publications (1)

Publication Number Publication Date
DK118013B true DK118013B (da) 1970-06-29

Family

ID=4286155

Family Applications (1)

Application Number Title Priority Date Filing Date
DK1567A DK118013B (da) 1966-04-05 1967-03-28 Fremgangsmåde til oparbejdning af den ved urinstofsyntese ud fra ammoniak og carbondioxid udvundne synteseblanding.

Country Status (7)

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

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4832091B1 (xx) * 1968-02-12 1973-10-04
NL156686B (nl) * 1968-03-16 1978-05-16 Stamicarbon Werkwijze voor de bereiding van ureum in combinatie met de synthese van ammoniak.
US3984469A (en) * 1969-10-16 1976-10-05 Snam Progetti S.P.A. Process for the production of urea
JPS5189B1 (xx) * 1970-03-12 1976-01-05
IT1068268B (it) * 1976-09-09 1985-03-21 Snam Progetti Procedimento per la produzione di urea e purificazione delle acque
NL8104039A (nl) * 1981-09-01 1983-04-05 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.
JPS61109760A (ja) * 1984-11-02 1986-05-28 Toyo Eng Corp 尿素製造法
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
WO2011053794A2 (en) 2009-10-30 2011-05-05 Oasys Water, Inc. Osmotic separation systems and methods
AU2012249903B2 (en) 2011-04-25 2015-11-12 Oasys Water LLC Osmotic separation systems and methods

Also Published As

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

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