YU35113B - Process for the separation of synthesis residues from carbamide solutions - Google Patents

Process for the separation of synthesis residues from carbamide solutions

Info

Publication number
YU35113B
YU35113B YU852/70A YU85270A YU35113B YU 35113 B YU35113 B YU 35113B YU 852/70 A YU852/70 A YU 852/70A YU 85270 A YU85270 A YU 85270A YU 35113 B YU35113 B YU 35113B
Authority
YU
Yugoslavia
Prior art keywords
carbamide
separation
solutions
synthesis residues
residues
Prior art date
Application number
YU852/70A
Other languages
English (en)
Other versions
YU85270A (en
Inventor
Guadalupi Mario
Mario Guadalupi
Zardi Umberto
Umberto Zardi
Lagana Vincenzo
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
Publication of YU85270A publication Critical patent/YU85270A/xx
Publication of YU35113B publication Critical patent/YU35113B/xx

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)
YU852/70A 1969-04-04 1970-03-31 Process for the separation of synthesis residues from carbamide solutions YU35113B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
YU85270A YU85270A (en) 1979-12-31
YU35113B true YU35113B (en) 1980-09-25

Family

ID=11146229

Family Applications (1)

Application Number Title Priority Date Filing Date
YU852/70A YU35113B (en) 1969-04-04 1970-03-31 Process for the separation of synthesis residues from carbamide solutions

Country Status (17)

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

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 (xx) 1973-12-19
NL7004886A (xx) 1970-10-06
BR7017988D0 (pt) 1973-04-12
FR2042135A5 (xx) 1971-02-05
YU85270A (en) 1979-12-31
GB1292515A (en) 1972-10-11
AT305304B (de) 1973-01-15
BE747769A (fr) 1970-08-31
RO69432A (ro) 1980-12-30
IE34603B1 (en) 1975-06-25
CA949918A (en) 1974-06-25
JPS5238017B1 (xx) 1977-09-27
LU60616A1 (xx) 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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