CS155191B2 - Method of urea making with low content of carbamate - Google Patents

Method of urea making with low content of carbamate

Info

Publication number
CS155191B2
CS155191B2 CS686495A CS649568A CS155191B2 CS 155191 B2 CS155191 B2 CS 155191B2 CS 686495 A CS686495 A CS 686495A CS 649568 A CS649568 A CS 649568A CS 155191 B2 CS155191 B2 CS 155191B2
Authority
CS
Czechoslovakia
Prior art keywords
carbamate
low content
urea
making
urea making
Prior art date
Application number
CS686495A
Other languages
Czech (cs)
Inventor
Mario Guadalupi
Umberto Zardi
Original Assignee
Mario Guadalupi
Umberto Zardi
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 Mario Guadalupi, Umberto Zardi filed Critical Mario Guadalupi
Publication of CS155191B2 publication Critical patent/CS155191B2/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)
CS686495A 1967-09-29 1968-09-16 Method of urea making with low content of carbamate CS155191B2 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CS155191B2 true CS155191B2 (en) 1974-05-30

Family

ID=11175595

Family Applications (1)

Application Number Title Priority Date Filing Date
CS686495A CS155191B2 (en) 1967-09-29 1968-09-16 Method of urea making with low content of carbamate

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
NO150512C (en) * 1977-05-05 1984-10-31 Montedison Spa PROCEDURE FOR MANUFACTURING 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
WO2023121443A1 (en) 2021-12-20 2023-06-29 Stamicarbon B.V. Thermal stripping urea production

Also Published As

Publication number Publication date
FR1576811A (en) 1969-08-01
BE719035A (en) 1969-01-16
CH487855A (en) 1970-03-31
NL6808895A (en) 1969-04-01
NO145949C (en) 1982-06-30
IE32209B1 (en) 1973-05-16
LU56630A1 (en) 1968-11-14
IE32209L (en) 1969-03-29
SE373574B (en) 1975-02-10
DE1768776A1 (en) 1971-09-16
DK118396B (en) 1970-08-17
NO145949B (en) 1982-03-22
NL161137B (en) 1979-08-15
DE1768776B2 (en) 1973-05-03
ES358855A1 (en) 1970-05-16
GB1184004A (en) 1970-03-11
AT290545B (en) 1971-06-11
JPS5432767B1 (en) 1979-10-16
NL161137C (en) 1980-01-15

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