PL132177B1 - Method of manufacture of urea - Google Patents

Method of manufacture of urea Download PDF

Info

Publication number
PL132177B1
PL132177B1 PL1981232761A PL23276181A PL132177B1 PL 132177 B1 PL132177 B1 PL 132177B1 PL 1981232761 A PL1981232761 A PL 1981232761A PL 23276181 A PL23276181 A PL 23276181A PL 132177 B1 PL132177 B1 PL 132177B1
Authority
PL
Poland
Prior art keywords
decomposition
stage
ammonia
urea
carbon dioxide
Prior art date
Application number
PL1981232761A
Other languages
English (en)
Polish (pl)
Other versions
PL232761A1 (enrdf_load_stackoverflow
Inventor
Vincenzo Lagana
Virginio Cavallanti
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 PL232761A1 publication Critical patent/PL232761A1/xx
Publication of PL132177B1 publication Critical patent/PL132177B1/pl

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Saccharide Compounds (AREA)
PL1981232761A 1980-08-29 1981-08-22 Method of manufacture of urea PL132177B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT24357/80A IT1141030B (it) 1980-08-29 1980-08-29 Procedimento per la produzione di urea

Publications (2)

Publication Number Publication Date
PL232761A1 PL232761A1 (enrdf_load_stackoverflow) 1982-03-01
PL132177B1 true PL132177B1 (en) 1985-02-28

Family

ID=11213241

Family Applications (1)

Application Number Title Priority Date Filing Date
PL1981232761A PL132177B1 (en) 1980-08-29 1981-08-22 Method of manufacture of urea

Country Status (35)

Country Link
JP (1) JPS5772955A (enrdf_load_stackoverflow)
KR (1) KR850000700B1 (enrdf_load_stackoverflow)
AR (1) AR226915A1 (enrdf_load_stackoverflow)
AT (1) AT377253B (enrdf_load_stackoverflow)
AU (1) AU544041B2 (enrdf_load_stackoverflow)
BE (1) BE890118A (enrdf_load_stackoverflow)
BR (1) BR8105217A (enrdf_load_stackoverflow)
CA (1) CA1182838A (enrdf_load_stackoverflow)
CS (1) CS228529B2 (enrdf_load_stackoverflow)
DD (1) DD201780A5 (enrdf_load_stackoverflow)
DE (1) DE3133765C2 (enrdf_load_stackoverflow)
DK (1) DK343381A (enrdf_load_stackoverflow)
EG (1) EG15405A (enrdf_load_stackoverflow)
ES (1) ES8301902A1 (enrdf_load_stackoverflow)
FR (1) FR2489323A1 (enrdf_load_stackoverflow)
GB (1) GB2087381B (enrdf_load_stackoverflow)
IL (1) IL63560A (enrdf_load_stackoverflow)
IN (1) IN153584B (enrdf_load_stackoverflow)
IT (1) IT1141030B (enrdf_load_stackoverflow)
LU (1) LU83591A1 (enrdf_load_stackoverflow)
MW (1) MW3181A1 (enrdf_load_stackoverflow)
MX (1) MX152570A (enrdf_load_stackoverflow)
MY (1) MY8500910A (enrdf_load_stackoverflow)
NL (1) NL8104011A (enrdf_load_stackoverflow)
NO (1) NO151199C (enrdf_load_stackoverflow)
PH (1) PH18034A (enrdf_load_stackoverflow)
PL (1) PL132177B1 (enrdf_load_stackoverflow)
PT (1) PT73594B (enrdf_load_stackoverflow)
RO (1) RO82682B (enrdf_load_stackoverflow)
SE (1) SE447652B (enrdf_load_stackoverflow)
TR (1) TR21103A (enrdf_load_stackoverflow)
YU (1) YU194681A (enrdf_load_stackoverflow)
ZA (1) ZA815329B (enrdf_load_stackoverflow)
ZM (1) ZM7381A1 (enrdf_load_stackoverflow)
ZW (1) ZW18981A1 (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1211125B (it) * 1981-10-16 1989-09-29 Ortu Francesco Composti azotati. processo per la preparazione di
DE3364579D1 (en) * 1982-06-03 1986-08-28 Montedison Spa Method for avoiding the corrosion of strippers in urea manufacturing plants
NL8400840A (nl) * 1984-03-16 1985-10-16 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
IT1209532B (it) * 1984-04-20 1989-08-30 Snam Progetti Processo per la sintesi di urea e materiale utilizzato nello stesso.
IT1245396B (it) * 1991-03-22 1994-09-20 Snam Progetti Procedimento per la produzione di urea ad elevata efficienza energetica
USD555828S1 (en) 2005-08-04 2007-11-20 Colgate-Palmolive Company Dentifrice
US8906187B2 (en) 2008-06-25 2014-12-09 Colgate-Palmolive Company Method of making shoulder/nozzles with film barrier liners
ITMI20120013A1 (it) 2012-01-09 2013-07-10 Saipem Spa Procedimento per la sintesi di urea comprendente un flusso di passivazione a fondo stripper

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL101446C (enrdf_load_stackoverflow) * 1960-04-08
US4053508A (en) * 1960-09-05 1977-10-11 Stamicarbon, N.V. Process and installation for preparing urea from ammonia and carbon dioxide
CH498811A (de) * 1967-05-22 1970-11-15 Chemical Construction Corp Verfahren zur Herstellung von Harnstoff aus Ammoniak und Kohlendioxyd
BE757274A (fr) * 1969-10-16 1971-03-16 Snam Progetti Procede de production d'uree
US3922222A (en) * 1973-02-20 1975-11-25 Cf Ind Method for treatment of urea crystallizer condensate
IT1068268B (it) * 1976-09-09 1985-03-21 Snam Progetti Procedimento per la produzione di urea e purificazione delle acque
NO150512C (no) * 1977-05-05 1984-10-31 Montedison Spa Fremgangsmaate ved fremstilling av urea.

Also Published As

Publication number Publication date
ES505481A0 (es) 1983-01-16
JPS5772955A (en) 1982-05-07
DD201780A5 (de) 1983-08-10
KR850000700B1 (en) 1985-05-15
AU544041B2 (en) 1985-05-16
CS228529B2 (en) 1984-05-14
PL232761A1 (enrdf_load_stackoverflow) 1982-03-01
SE8105105L (sv) 1982-03-01
LU83591A1 (fr) 1982-04-14
FR2489323B1 (enrdf_load_stackoverflow) 1984-02-10
BE890118A (fr) 1982-03-01
ES8301902A1 (es) 1983-01-16
MW3181A1 (en) 1982-09-08
YU194681A (en) 1983-02-28
NO151199C (no) 1985-02-27
GB2087381B (en) 1984-08-22
NO812855L (no) 1982-03-01
IT8024357A0 (it) 1980-08-29
RO82682A (ro) 1984-01-14
DE3133765A1 (de) 1982-04-01
BR8105217A (pt) 1982-04-27
IL63560A (en) 1985-09-29
AU7390481A (en) 1982-03-04
NL8104011A (nl) 1982-03-16
TR21103A (tr) 1983-07-01
MY8500910A (en) 1985-12-31
IN153584B (enrdf_load_stackoverflow) 1984-07-28
PT73594B (en) 1982-11-10
DE3133765C2 (de) 1983-05-19
MX152570A (es) 1985-08-30
EG15405A (en) 1986-06-30
ZA815329B (en) 1982-07-28
IL63560A0 (en) 1981-11-30
AT377253B (de) 1985-02-25
FR2489323A1 (fr) 1982-03-05
DK343381A (da) 1982-03-01
GB2087381A (en) 1982-05-26
PH18034A (en) 1985-03-06
ZM7381A1 (en) 1981-12-21
RO82682B (ro) 1984-01-30
CA1182838A (en) 1985-02-19
IT1141030B (it) 1986-10-01
ZW18981A1 (en) 1981-10-28
ATA354881A (de) 1984-07-15
PT73594A (en) 1981-09-01
AR226915A1 (es) 1982-08-31
NO151199B (no) 1984-11-19
KR830006192A (ko) 1983-09-20
SE447652B (sv) 1986-12-01

Similar Documents

Publication Publication Date Title
CN111295370B (zh) 尿素生产方法和装置
JP7094453B2 (ja) 尿素製造プロセス及び低圧回収部における熱統合を有するプラント
PL116475B1 (en) Method of manufacture of urea with waste waters treatment
EP3224223B1 (en) Method and plant for producing urea-ammonium nitrate (uan)
CN109890788B (zh) 尿素与尿素-硝酸铵的集成工艺
JPH0137389B2 (enrdf_load_stackoverflow)
US6586629B1 (en) Method of introducing melamine off-gases into a urea plant
SU1494864A3 (ru) Способ получени мочевины
PL132177B1 (en) Method of manufacture of urea
EP3233792B1 (en) Process for urea production
US4433146A (en) Process for the preparation of melamine
US3120563A (en) Urea preparation
KR870001249B1 (ko) 요소 합성법
CA2312763C (en) Process for the preparation of urea
US20120302789A1 (en) Urea stripping process for the production of urea
JPS60339B2 (ja) 尿素溶液を処理する方法及び装置
US4801747A (en) Process for preparing urea
JPS5919882B2 (ja) アンモニアおよび酸性ガスの分離回収法
US6649795B2 (en) Process for decomposing a carbamate aqueous solution coming from the urea recovery section of a urea production plant
AU2002252800B9 (en) Process for the preparation of urea
AU2002221194B2 (en) Process for the preparation of urea
JPS56110662A (en) Heat recovery in urea synthesis
AU2002252800A1 (en) Process for the preparation of urea