AT305303B - Process for the continuous production of an aqueous urea solution - Google Patents

Process for the continuous production of an aqueous urea solution

Info

Publication number
AT305303B
AT305303B AT1160069A AT1160069A AT305303B AT 305303 B AT305303 B AT 305303B AT 1160069 A AT1160069 A AT 1160069A AT 1160069 A AT1160069 A AT 1160069A AT 305303 B AT305303 B AT 305303B
Authority
AT
Austria
Prior art keywords
continuous production
urea solution
aqueous urea
aqueous
solution
Prior art date
Application number
AT1160069A
Other languages
German (de)
Inventor
Pierfranco Forlani
Ivo Paris
Umberto Zardi
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 AT305303B publication Critical patent/AT305303B/en

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
    • C07C273/04—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 from carbon dioxide and ammonia
    • 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
    • Y02P20/141—Feedstock
    • 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)
  • Lead Frames For Integrated Circuits (AREA)
AT1160069A 1968-12-16 1969-12-12 Process for the continuous production of an aqueous urea solution AT305303B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2513168 1968-12-16

Publications (1)

Publication Number Publication Date
AT305303B true AT305303B (en) 1973-02-26

Family

ID=11215793

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1160069A AT305303B (en) 1968-12-16 1969-12-12 Process for the continuous production of an aqueous urea solution

Country Status (19)

Country Link
JP (1) JPS4828422B1 (en)
AT (1) AT305303B (en)
BE (1) BE743187A (en)
BR (1) BR6915202D0 (en)
CA (1) CA975797A (en)
CH (1) CH507213A (en)
CS (1) CS152343B2 (en)
DE (1) DE1962862A1 (en)
DK (1) DK145081C (en)
ES (1) ES374565A1 (en)
FR (1) FR2026261A1 (en)
GB (1) GB1268430A (en)
IE (1) IE33879B1 (en)
LU (1) LU60025A1 (en)
NL (1) NL169465C (en)
NO (1) NO135868C (en)
RO (1) RO59626A (en)
YU (1) YU39894B (en)
ZM (1) ZM17669A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE787832A (en) * 1971-09-02 1973-02-22 Stamicarbon PROCESS FOR THE PREPARATION OF UREA
JPS53102724A (en) * 1977-02-18 1978-09-07 Matsushita Electric Ind Co Ltd Magnetic head and its manufacture
JPS5575833U (en) * 1978-11-15 1980-05-24
JPS61109760A (en) * 1984-11-02 1986-05-28 Toyo Eng Corp Production of urea
WO2016099269A1 (en) 2014-12-18 2016-06-23 Stamicarbon B.V. Process for urea production

Also Published As

Publication number Publication date
JPS4828422B1 (en) 1973-09-01
CS152343B2 (en) 1973-12-19
BR6915202D0 (en) 1973-03-08
DK145081C (en) 1983-01-31
DE1962862A1 (en) 1970-07-02
IE33879B1 (en) 1974-11-27
NO135868C (en) 1977-06-15
ES374565A1 (en) 1972-01-01
CA975797A (en) 1975-10-07
NL169465C (en) 1982-07-16
IE33879L (en) 1970-06-16
RO59626A (en) 1976-08-15
YU310469A (en) 1982-02-28
YU39894B (en) 1985-06-30
LU60025A1 (en) 1970-02-16
NO135868B (en) 1977-03-07
CH507213A (en) 1971-05-15
DK145081B (en) 1982-08-23
GB1268430A (en) 1972-03-29
ZM17669A1 (en) 1970-05-18
NL169465B (en) 1982-02-16
NL6918420A (en) 1970-06-18
BE743187A (en) 1970-05-28
FR2026261A1 (en) 1970-09-18

Similar Documents

Publication Publication Date Title
AT291441B (en) Process for the preparation of aqueous solutions of α-6-deoxy-5-hydroxytetracycline
CH543478A (en) Process for the production of glycolamines
AT293438B (en) Process for the production of viscose
CH502264A (en) Process for the production of ammonium polyphosphates
CH496641A (en) Process for the production of lavandulic acid
AT293348B (en) Process for the production of ethene derivatives
AT304461B (en) PROCESS FOR THE PRODUCTION OF 2-AETHYLHEXANOL
AT302982B (en) Process for the production of monochloroalkenes
AT289136B (en) Process for the production of guanidines
CH523230A (en) Process for the production of N-fluoroacetylamino-methyl-ureas
AT305303B (en) Process for the continuous production of an aqueous urea solution
CH537400A (en) Process for the production of urea derivatives
AT284138B (en) Process for the production of urea
AT252938B (en) Process for the production of new urea derivatives
AT289381B (en) Process for the production of trans-polypentenamer
CH506448A (en) Process for the production of sackable manure
AT286256B (en) Process for the continuous production of α-chloropropionic acid
AT301880B (en) Process for the production of copolyucondensates
AT305961B (en) Process for the production of bromonitro alcohols
CH517659A (en) Process for the catalytic production of hydroxylammonium salts
CH455273A (en) Process for the production of aqueous synthetic resin solutions
CH511254A (en) Process for the production of 1-thiono-2-halogen- or -3-alkylphospolines
CH505795A (en) Process for the continuous production of tetrachloro-o-phthalonitrile
AT277949B (en) PROCESS FOR THE PRODUCTION OF 2-AETHYLHEXANOL
AT297033B (en) PROCESS FOR THE PRODUCTION OF GAMMA-AMINOPROPYLALKOXY- AND GAMMA-AMINOPROPYLALKYL-ALCOXYSILANES

Legal Events

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