RO69432A - Procedeu pentru purificarea solutiei de uree - Google Patents

Procedeu pentru purificarea solutiei de uree

Info

Publication number
RO69432A
RO69432A RO7062975A RO6297570A RO69432A RO 69432 A RO69432 A RO 69432A RO 7062975 A RO7062975 A RO 7062975A RO 6297570 A RO6297570 A RO 6297570A RO 69432 A RO69432 A RO 69432A
Authority
RO
Romania
Prior art keywords
purification
carbamide solution
carbamide
solution
Prior art date
Application number
RO7062975A
Other languages
English (en)
French (fr)
Inventor
Mario Guadalupi
Umberto Zardi
Vincenzo Lagana
Original Assignee
Snam Progetti Spa.,It
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 Spa.,It filed Critical Snam Progetti Spa.,It
Publication of RO69432A publication Critical patent/RO69432A/ro

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)
RO7062975A 1969-04-04 1970-04-03 Procedeu pentru purificarea solutiei de uree RO69432A (ro)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
RO69432A true RO69432A (ro) 1980-12-30

Family

ID=11146229

Family Applications (1)

Application Number Title Priority Date Filing Date
RO7062975A RO69432A (ro) 1969-04-04 1970-04-03 Procedeu pentru purificarea solutiei de uree

Country Status (17)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1209532B (it) * 1984-04-20 1989-08-30 Snam Progetti Processo per la sintesi di urea e materiale utilizzato nello stesso.
JP3259661B2 (ja) * 1997-06-27 2002-02-25 株式会社イトーキクレビオ パネル体連結装置
ITMI20120013A1 (it) 2012-01-09 2013-07-10 Saipem Spa Procedimento per la sintesi di urea comprendente un flusso di passivazione a fondo stripper
DE102019208859A1 (de) 2019-06-18 2020-12-24 Skw Stickstoffwerke Piesteritz Gmbh Verfahren zur kontinuierlichen Herstellung reiner Harnstofflösungen durch Verwertung von Prozesswasser

Also Published As

Publication number Publication date
IE34603L (en) 1970-10-04
CS152471B2 (ro) 1973-12-19
YU35113B (en) 1980-09-25
NL7004886A (ro) 1970-10-06
BR7017988D0 (pt) 1973-04-12
FR2042135A5 (ro) 1971-02-05
YU85270A (en) 1979-12-31
GB1292515A (en) 1972-10-11
AT305304B (de) 1973-01-15
BE747769A (fr) 1970-08-31
IE34603B1 (en) 1975-06-25
CA949918A (en) 1974-06-25
JPS5238017B1 (ro) 1977-09-27
LU60616A1 (ro) 1970-05-28
ZM3570A1 (en) 1971-07-22
ES378592A1 (es) 1972-06-16
CH514555A (fr) 1971-10-31
DE2015781B2 (de) 1973-05-03
DE2015781A1 (de) 1970-10-08

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