BR7017988D0 - Processo de remocao dos residuos da sintese de uma solucao de ureia por destilacao do tipo de filme - Google Patents

Processo de remocao dos residuos da sintese de uma solucao de ureia por destilacao do tipo de filme

Info

Publication number
BR7017988D0
BR7017988D0 BR217988/70A BR21798870A BR7017988D0 BR 7017988 D0 BR7017988 D0 BR 7017988D0 BR 217988/70 A BR217988/70 A BR 217988/70A BR 21798870 A BR21798870 A BR 21798870A BR 7017988 D0 BR7017988 D0 BR 7017988D0
Authority
BR
Brazil
Prior art keywords
distilling
synthesis
waste
film type
urea solution
Prior art date
Application number
BR217988/70A
Other languages
English (en)
Portuguese (pt)
Inventor
U Zardi
V 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 BR7017988D0 publication Critical patent/BR7017988D0/pt

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)
BR217988/70A 1969-04-04 1970-04-03 Processo de remocao dos residuos da sintese de uma solucao de ureia por destilacao do tipo de filme BR7017988D0 (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR7017988D0 true BR7017988D0 (pt) 1973-04-12

Family

ID=11146229

Family Applications (1)

Application Number Title Priority Date Filing Date
BR217988/70A BR7017988D0 (pt) 1969-04-04 1970-04-03 Processo de remocao dos residuos da sintese de uma solucao de ureia por destilacao do tipo de filme

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
AT305304B (de) 1973-01-15
YU85270A (en) 1979-12-31
YU35113B (en) 1980-09-25
CS152471B2 (xx) 1973-12-19
BE747769A (fr) 1970-08-31
IE34603L (en) 1970-10-04
ZM3570A1 (en) 1971-07-22
NL7004886A (xx) 1970-10-06
IE34603B1 (en) 1975-06-25
DE2015781B2 (de) 1973-05-03
GB1292515A (en) 1972-10-11
CA949918A (en) 1974-06-25
FR2042135A5 (xx) 1971-02-05
ES378592A1 (es) 1972-06-16
RO69432A (ro) 1980-12-30
JPS5238017B1 (xx) 1977-09-27
LU60616A1 (xx) 1970-05-28
CH514555A (fr) 1971-10-31
DE2015781A1 (de) 1970-10-08

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