AT272360B - Verfahren zur Aufarbeitung des Harnstoffsynthesegemisches - Google Patents

Verfahren zur Aufarbeitung des Harnstoffsynthesegemisches

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)
English (en)
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/de

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 Verfahren zur Aufarbeitung des Harnstoffsynthesegemisches AT272360B (de)

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
AT272360B true AT272360B (de) 1969-07-10

Family

ID=4286155

Family Applications (1)

Application Number Title Priority Date Filing Date
AT317567A AT272360B (de) 1966-04-05 1967-04-03 Verfahren zur Aufarbeitung des Harnstoffsynthesegemisches

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
JP5913113B2 (ja) 2009-10-28 2016-04-27 オアシス ウォーター,インコーポレーテッド 正浸透分離方法
SG10201406756QA (en) 2009-10-30 2014-12-30 Oasys Water Inc Osmotic separation systems and methods
MX353901B (es) 2011-04-25 2018-02-02 Oasys Water Inc Sistemas y metodos de separacion osmotica.

Also Published As

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

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