AT290545B - Process for the production of low carbamate urea - Google Patents

Process for the production of low carbamate urea

Info

Publication number
AT290545B
AT290545B AT598768A AT598768A AT290545B AT 290545 B AT290545 B AT 290545B AT 598768 A AT598768 A AT 598768A AT 598768 A AT598768 A AT 598768A AT 290545 B AT290545 B AT 290545B
Authority
AT
Austria
Prior art keywords
production
carbamate urea
low
low carbamate
urea
Prior art date
Application number
AT598768A
Other languages
German (de)
Original Assignee
Snam Progetti
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 Snam Progetti filed Critical Snam Progetti
Application granted granted Critical
Publication of AT290545B publication Critical patent/AT290545B/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
    • C07C273/04—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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/04—Electrodes; Screens
    • H01J17/06—Cathodes
    • H01J17/066—Cold cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
    • H01J2893/0065—Electrode systems
    • H01J2893/0066—Construction, material, support, protection and temperature regulation of electrodes; Electrode cups
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT598768A 1967-09-29 1968-06-21 Process for the production of low carbamate urea AT290545B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2102767 1967-09-29

Publications (1)

Publication Number Publication Date
AT290545B true AT290545B (en) 1971-06-11

Family

ID=11175595

Family Applications (1)

Application Number Title Priority Date Filing Date
AT598768A AT290545B (en) 1967-09-29 1968-06-21 Process for the production of low carbamate urea

Country Status (15)

Country Link
JP (1) JPS5432767B1 (en)
AT (1) AT290545B (en)
BE (1) BE719035A (en)
CH (1) CH487855A (en)
CS (1) CS155191B2 (en)
DE (1) DE1768776B2 (en)
DK (1) DK118396B (en)
ES (1) ES358855A1 (en)
FR (1) FR1576811A (en)
GB (1) GB1184004A (en)
IE (1) IE32209B1 (en)
LU (1) LU56630A1 (en)
NL (1) NL161137C (en)
NO (1) NO145949C (en)
SE (1) SE373574B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BG35038A3 (en) * 1977-05-05 1984-01-16 Montedison Spa,It Method and installation for synthesis of urea
NL7713190A (en) * 1977-11-30 1979-06-01 Unie Van Kunstmestfab Bv METHOD AND DEVICE FOR THE REMOVAL OF AMMONIUM CARBAMATE FROM A UREEA SYNTHESIS SOLUTION.
IT1209532B (en) * 1984-04-20 1989-08-30 Snam Progetti PROCESS FOR THE SYNTHESIS OF UREA AND MATERIAL USED IN ITSELF.
IN169678B (en) * 1987-08-13 1991-11-30 Austral Pacific Fertilizers
IT1274362B (en) 1995-02-16 1997-07-17 Snam Progetti HIGH YIELD PROCEDURE FOR THE SYNTHESIS OF UREA
ITMI20120013A1 (en) 2012-01-09 2013-07-10 Saipem Spa PROCEDURE FOR THE SYNTHESIS OF UREA INCLUDING A STRIPPER FUND OF PASSIVATION
US20240092730A1 (en) 2021-12-20 2024-03-21 Stamicarbon B.V. Thermal stripping urea production

Also Published As

Publication number Publication date
LU56630A1 (en) 1968-11-14
ES358855A1 (en) 1970-05-16
SE373574B (en) 1975-02-10
CS155191B2 (en) 1974-05-30
BE719035A (en) 1969-01-16
CH487855A (en) 1970-03-31
NL6808895A (en) 1969-04-01
IE32209L (en) 1969-03-29
NO145949C (en) 1982-06-30
DK118396B (en) 1970-08-17
FR1576811A (en) 1969-08-01
IE32209B1 (en) 1973-05-16
JPS5432767B1 (en) 1979-10-16
GB1184004A (en) 1970-03-11
NL161137B (en) 1979-08-15
DE1768776B2 (en) 1973-05-03
DE1768776A1 (en) 1971-09-16
NO145949B (en) 1982-03-22
NL161137C (en) 1980-01-15

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Legal Events

Date Code Title Description
ELA Expired due to lapse of time