NO149545C - Fremgangsmaate for fremstilling av en ren vandig loesning av urea fra nh3 og co2 - Google Patents

Fremgangsmaate for fremstilling av en ren vandig loesning av urea fra nh3 og co2

Info

Publication number
NO149545C
NO149545C NO3878/70A NO387870A NO149545C NO 149545 C NO149545 C NO 149545C NO 3878/70 A NO3878/70 A NO 3878/70A NO 387870 A NO387870 A NO 387870A NO 149545 C NO149545 C NO 149545C
Authority
NO
Norway
Prior art keywords
urea
preparing
procedure
aqueous solution
clear aqueous
Prior art date
Application number
NO3878/70A
Other languages
English (en)
Other versions
NO149545B (no
Inventor
Mario Guadalupi
Umberto Zardi
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 NO149545B publication Critical patent/NO149545B/no
Publication of NO149545C publication Critical patent/NO149545C/no

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Fertilizers (AREA)
NO3878/70A 1969-10-16 1970-10-14 Fremgangsmaate for fremstilling av en ren vandig loesning av urea fra nh3 og co2 NO149545C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2344069 1969-10-16

Publications (2)

Publication Number Publication Date
NO149545B NO149545B (no) 1984-01-30
NO149545C true NO149545C (no) 1984-05-09

Family

ID=11207092

Family Applications (1)

Application Number Title Priority Date Filing Date
NO3878/70A NO149545C (no) 1969-10-16 1970-10-14 Fremgangsmaate for fremstilling av en ren vandig loesning av urea fra nh3 og co2

Country Status (22)

Country Link
JP (1) JPS514971B1 (no)
AT (1) AT317909B (no)
BE (1) BE757274A (no)
CH (1) CH527170A (no)
CS (2) CS157688B2 (no)
DE (2) DE2050903C3 (no)
DK (1) DK135987B (no)
ES (1) ES385234A1 (no)
FR (1) FR2065166A5 (no)
GB (1) GB1272873A (no)
HU (2) HU166923B (no)
IE (1) IE35007B1 (no)
LU (1) LU61859A1 (no)
NL (1) NL7015201A (no)
NO (1) NO149545C (no)
PH (1) PH9964A (no)
PL (1) PL81118B1 (no)
RO (1) RO56794A (no)
SE (2) SE373837B (no)
YU (1) YU35114B (no)
ZA (1) ZA706778B (no)
ZM (1) ZM11270A1 (no)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE446978B (sv) * 1977-05-05 1986-10-20 Montedison Spa Isobariskt dubbelatercirkulationsforfarande for syntetisering av urea under bildning av ammoniumkarbamat som mellanprodukt
JPS5517346A (en) * 1978-07-24 1980-02-06 Toyo Eng Corp Synthetic method of urea
IT1141030B (it) * 1980-08-29 1986-10-01 Snam Progetti Procedimento per la produzione di urea
JPS61109760A (ja) * 1984-11-02 1986-05-28 Toyo Eng Corp 尿素製造法

Also Published As

Publication number Publication date
CH527170A (fr) 1972-08-31
DE2050903C3 (de) 1974-01-10
DK135987B (da) 1977-07-25
IE35007B1 (en) 1975-10-15
DK135987C (no) 1977-12-27
NO149545B (no) 1984-01-30
SE401825B (sv) 1978-05-29
DE2065278C3 (de) 1974-10-17
CS157687B2 (no) 1974-09-16
NL7015201A (no) 1971-04-20
PH9964A (en) 1976-06-16
YU35114B (en) 1980-09-25
BE757274A (fr) 1971-03-16
HU165606B (no) 1974-09-28
JPS514971B1 (no) 1976-02-16
SE373837B (no) 1975-02-17
YU247270A (en) 1980-03-15
RO56794A (no) 1974-07-01
FR2065166A5 (no) 1971-07-23
HU166923B (no) 1975-06-28
ZA706778B (en) 1971-07-28
GB1272873A (en) 1972-05-03
DE2050903B2 (de) 1973-06-07
CS157688B2 (no) 1974-09-16
DE2050903A1 (de) 1971-04-29
IE35007L (en) 1971-04-16
AT317909B (de) 1974-09-25
ZM11270A1 (en) 1971-06-22
DE2065278A1 (de) 1973-01-18
LU61859A1 (no) 1971-05-04
DE2065278B2 (de) 1974-03-07
PL81118B1 (no) 1975-08-30
ES385234A1 (es) 1973-09-01

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