ZM3570A1 - Process for removing the synthesis residues from an urea solution by film distillation - Google Patents

Process for removing the synthesis residues from an urea solution by film distillation

Info

Publication number
ZM3570A1
ZM3570A1 ZM35/70A ZM3570A ZM3570A1 ZM 3570 A1 ZM3570 A1 ZM 3570A1 ZM 35/70 A ZM35/70 A ZM 35/70A ZM 3570 A ZM3570 A ZM 3570A ZM 3570 A1 ZM3570 A1 ZM 3570A1
Authority
ZM
Zambia
Prior art keywords
urea solution
film distillation
synthesis residues
residues
synthesis
Prior art date
Application number
ZM35/70A
Other languages
English (en)
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 ZM3570A1 publication Critical patent/ZM3570A1/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)
ZM35/70A 1969-04-04 1970-03-26 Process for removing the synthesis residues from an urea solution by film distillation ZM3570A1 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZM3570A1 true ZM3570A1 (en) 1971-07-22

Family

ID=11146229

Family Applications (1)

Application Number Title Priority Date Filing Date
ZM35/70A ZM3570A1 (en) 1969-04-04 1970-03-26 Process for removing the synthesis residues from an urea solution by film distillation

Country Status (17)

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

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 (ja) 1973-12-19
YU35113B (en) 1980-09-25
NL7004886A (ja) 1970-10-06
BR7017988D0 (pt) 1973-04-12
FR2042135A5 (ja) 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 (ja) 1977-09-27
LU60616A1 (ja) 1970-05-28
ES378592A1 (es) 1972-06-16
CH514555A (fr) 1971-10-31
DE2015781B2 (de) 1973-05-03
DE2015781A1 (de) 1970-10-08

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