AT305304B - PROCESS FOR PREPARING A UREA SOLUTION FREE OF COMPONENTS NOT CONVERTED TO UREA - Google Patents

PROCESS FOR PREPARING A UREA SOLUTION FREE OF COMPONENTS NOT CONVERTED TO UREA

Info

Publication number
AT305304B
AT305304B AT2890/70A AT289070A AT305304B AT 305304 B AT305304 B AT 305304B AT 2890/70 A AT2890/70 A AT 2890/70A AT 289070 A AT289070 A AT 289070A AT 305304 B AT305304 B AT 305304B
Authority
AT
Austria
Prior art keywords
urea
preparing
converted
components
solution free
Prior art date
Application number
AT2890/70A
Other languages
German (de)
Inventor
Mario Guadalupi
Umberto Zardi
Vincenzo Lagana
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 AT305304B publication Critical patent/AT305304B/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
    • 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
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT2890/70A 1969-04-04 1970-03-27 PROCESS FOR PREPARING A UREA SOLUTION FREE OF COMPONENTS NOT CONVERTED TO UREA AT305304B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1507269 1969-04-04

Publications (1)

Publication Number Publication Date
AT305304B true AT305304B (en) 1973-01-15

Family

ID=11146229

Family Applications (1)

Application Number Title Priority Date Filing Date
AT2890/70A AT305304B (en) 1969-04-04 1970-03-27 PROCESS FOR PREPARING A UREA SOLUTION FREE OF COMPONENTS NOT CONVERTED TO UREA

Country Status (17)

Country Link
JP (1) JPS5238017B1 (en)
AT (1) AT305304B (en)
BE (1) BE747769A (en)
BR (1) BR7017988D0 (en)
CA (1) CA949918A (en)
CH (1) CH514555A (en)
CS (1) CS152471B2 (en)
DE (1) DE2015781B2 (en)
ES (1) ES378592A1 (en)
FR (1) FR2042135A5 (en)
GB (1) GB1292515A (en)
IE (1) IE34603B1 (en)
LU (1) LU60616A1 (en)
NL (1) NL7004886A (en)
RO (1) RO69432A (en)
YU (1) YU35113B (en)
ZM (1) ZM3570A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1209532B (en) * 1984-04-20 1989-08-30 Snam Progetti PROCESS FOR THE SYNTHESIS OF UREA AND MATERIAL USED IN ITSELF.
JP3259661B2 (en) * 1997-06-27 2002-02-25 株式会社イトーキクレビオ Panel body connection device
ITMI20120013A1 (en) 2012-01-09 2013-07-10 Saipem Spa PROCEDURE FOR THE SYNTHESIS OF UREA INCLUDING A STRIPPER FUND OF PASSIVATION
DE102019208859A1 (en) 2019-06-18 2020-12-24 Skw Stickstoffwerke Piesteritz Gmbh Process for the continuous production of pure urea solutions by utilizing process water

Also Published As

Publication number Publication date
IE34603L (en) 1970-10-04
CS152471B2 (en) 1973-12-19
YU35113B (en) 1980-09-25
NL7004886A (en) 1970-10-06
BR7017988D0 (en) 1973-04-12
FR2042135A5 (en) 1971-02-05
YU85270A (en) 1979-12-31
GB1292515A (en) 1972-10-11
BE747769A (en) 1970-08-31
RO69432A (en) 1980-12-30
IE34603B1 (en) 1975-06-25
CA949918A (en) 1974-06-25
JPS5238017B1 (en) 1977-09-27
LU60616A1 (en) 1970-05-28
ZM3570A1 (en) 1971-07-22
ES378592A1 (en) 1972-06-16
CH514555A (en) 1971-10-31
DE2015781B2 (en) 1973-05-03
DE2015781A1 (en) 1970-10-08

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee