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

    • 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/582Recycling 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

Similar Documents

Publication Publication Date Title
CH515117A (en) Process for producing a chipboard
AT319965B (en) Process for the production of urea
AT288417B (en) Process for the production of urea in combination with the synthesis of ammonia
AT347965B (en) METHOD FOR PRODUCING UREA
AT318648B (en) Process for the production of urea
AT299457B (en) Process for the production of a new complex compound of inosine
AT326647B (en) PROCESS FOR PRODUCING A NEW 3-INDENYL ACID ACID
AT305304B (en) PROCESS FOR PREPARING A UREA SOLUTION FREE OF COMPONENTS NOT CONVERTED TO UREA
AT317910B (en) Process for the production of urea
AT284138B (en) Process for the production of urea
AT295142B (en) Process for the preparation of modifiers for carbamide resins
AT290545B (en) Process for the production of low carbamate urea
CH512444A (en) Process for the production of urea in combination with the synthesis of ammonia
AT256865B (en) Process for the production of urea
CH547122A (en) PROCESS FOR PRODUCING A COPPER CATALYST COMPOSITION.
CH454115A (en) Process for the production of urea
CH535272A (en) Process for the production of urea-formaldehyde foams
CH549048A (en) PROCESS FOR PREPARING 6-AMINOPENICILLANIC ACID.
AT305303B (en) Process for the continuous production of an aqueous urea solution
AT247361B (en) Process for the production of urea with a low biuret content
AT284860B (en) Process for the production of urea
AT348260B (en) PROCESS FOR THE PREPARATION OF SOLUTIONS OF HARDABLE UREA-FORMALDEHYDE RESINS
CH507916A (en) Process for the production of urea in combination with the synthesis of ammonia
ATA538873A (en) PROCESS FOR THE PREPARATION OF SODIUM NITROFURANTOIN IN THE FORM OF A SOLUTION SUITABLE FOR INJECTION
CH487854A (en) Process for the production of urea

Legal Events

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