AT344722B - Verfahren fuer die synthese von harnstoff - Google Patents

Verfahren fuer die synthese von harnstoff

Info

Publication number
AT344722B
AT344722B AT451375A AT451375A AT344722B AT 344722 B AT344722 B AT 344722B AT 451375 A AT451375 A AT 451375A AT 451375 A AT451375 A AT 451375A AT 344722 B AT344722 B AT 344722B
Authority
AT
Austria
Prior art keywords
urea
synthesis
Prior art date
Application number
AT451375A
Other languages
English (en)
Other versions
ATA451375A (de
Inventor
Andrea Bonetti
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 ATA451375A publication Critical patent/ATA451375A/de
Application granted granted Critical
Publication of AT344722B publication Critical patent/AT344722B/de

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/02Preparation 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
    • C07C273/10Preparation 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 combined with the synthesis of ammonia
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
AT451375A 1974-06-12 1975-06-12 Verfahren fuer die synthese von harnstoff AT344722B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT23895/74A IT1014987B (it) 1974-06-12 1974-06-12 Procedimento integrato urea am moniaca

Publications (2)

Publication Number Publication Date
ATA451375A ATA451375A (de) 1977-12-15
AT344722B true AT344722B (de) 1978-08-10

Family

ID=11210703

Family Applications (1)

Application Number Title Priority Date Filing Date
AT451375A AT344722B (de) 1974-06-12 1975-06-12 Verfahren fuer die synthese von harnstoff

Country Status (34)

Country Link
US (1) US4012443A (de)
JP (1) JPS5113721A (de)
AR (1) AR204277A1 (de)
AT (1) AT344722B (de)
BE (1) BE830108A (de)
BG (1) BG29133A3 (de)
BR (1) BR7503716A (de)
CA (1) CA1053701A (de)
CH (1) CH605697A5 (de)
CS (1) CS188228B2 (de)
DD (1) DD118620A5 (de)
DK (1) DK241975A (de)
EG (1) EG11907A (de)
ES (1) ES438366A1 (de)
FR (1) FR2274610A1 (de)
GB (1) GB1470489A (de)
HU (1) HU178091B (de)
IE (1) IE41544B1 (de)
IN (1) IN142473B (de)
IT (1) IT1014987B (de)
LU (1) LU72705A1 (de)
MW (1) MW3375A1 (de)
MX (1) MX3837E (de)
NL (1) NL7507044A (de)
NO (1) NO752079L (de)
PH (1) PH13614A (de)
PL (1) PL106455B1 (de)
RO (1) RO70955A (de)
SE (1) SE423538B (de)
SU (1) SU833158A3 (de)
TR (1) TR18475A (de)
YU (1) YU142675A (de)
ZA (1) ZA753321B (de)
ZM (1) ZM7175A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1034674B (it) * 1975-03-28 1979-10-10 Snam Progetti Processo flessibile intergrato per la produzione di ammoniaca edurea
IT1068268B (it) * 1976-09-09 1985-03-21 Snam Progetti Procedimento per la produzione di urea e purificazione delle acque
IT1065422B (it) * 1976-12-23 1985-02-25 Snam Progetti Processo ammoniaca-urea integrato per la produzione di urea
NO150512C (no) * 1977-05-05 1984-10-31 Montedison Spa Fremgangsmaate ved fremstilling av urea.
IT1094295B (it) * 1978-04-05 1985-07-26 Snam Progetti Procedimento integrato ammoniaca-urea
US4235816A (en) * 1979-03-08 1980-11-25 Snamprogetti S.P.A. Integrated ammonia-urea process
JPS55126880A (en) * 1979-03-26 1980-10-01 Nec Corp Submarine stratum probing unit
US4869887A (en) * 1987-10-30 1989-09-26 Dijk Christiaan P Van Integrated ammonia-urea process
US4988491A (en) * 1989-04-11 1991-01-29 Christiaan Van Dijk Flexible integration of the production of ammonia and urea
US5523483A (en) * 1995-06-16 1996-06-04 The M. W. Kellogg Company Integrated urea/ammonia process
EP0905127B1 (de) * 1997-09-20 2001-11-28 Urea Casale S.A. Verfahren zur kombinierten Erzeugung von Ammoniak und Harnstoff
EP1036787B1 (de) * 1999-03-16 2003-06-04 Urea Casale S.A. Verfahren zur Modernisierung einer Harnstoffanlage
US6511644B1 (en) * 2000-08-28 2003-01-28 The Chemithon Corporation Method for removing contaminants in reactors
EP1188710A3 (de) * 2000-09-15 2003-10-29 Haldor Topsoe A/S Verfahren zur gemeinsamen Herstellung von Ammoniak und Harnstoff
NL1022526C2 (nl) * 2003-01-30 2004-08-04 Dsm Nv Werkwijze voor het afscheiden van NH3, en optioneel tevens CO2 en H2O, uit een mengsel bevattende NH3, CO2 en H2O.
RU2460569C1 (ru) * 2011-02-10 2012-09-10 Эдуард Владимирович Юрьев Способ модернизации сепарационного узла газового (варианты) и сепаратор газовый (варианты)
CN114368761B (zh) * 2022-03-23 2022-05-31 山东海科新源材料科技股份有限公司 一种液氨和氨水的联合制备装置及方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3349126A (en) * 1962-09-10 1967-10-24 Pullman Inc Integrated ammonia and urea process
ES318356A1 (es) * 1964-10-16 1966-05-16 Toyo Koatsu Ind Incorporated Metodo de depuracion de un efluente en la obtencion de urea sintetica.
GB1148991A (en) * 1966-10-14 1969-04-16 Toyo Koatsu Ind Inc Process for synthesising urea
DE1668732A1 (de) * 1966-10-25 1971-03-25 Toyo Koatsu Ind Inc Verfahren zum Behandeln des bei der Harnstoffsynthese im Ablauf vom Syntheseautoklaven enthaltenen nichtgesetzten Ammoniaks und Kohlendioxyds
CH498811A (de) * 1967-05-22 1970-11-15 Chemical Construction Corp Verfahren zur Herstellung von Harnstoff aus Ammoniak und Kohlendioxyd
JPS4832091B1 (de) * 1968-02-12 1973-10-04
NL156686B (nl) * 1968-03-16 1978-05-16 Stamicarbon Werkwijze voor de bereiding van ureum in combinatie met de synthese van ammoniak.
JPS4830258B1 (de) * 1969-02-08 1973-09-18
JPS4919259B1 (de) * 1969-08-30 1974-05-16

Also Published As

Publication number Publication date
ZA753321B (en) 1976-05-26
IT1014987B (it) 1977-04-30
ES438366A1 (es) 1977-05-16
MX3837E (es) 1981-08-04
JPS5113721A (en) 1976-02-03
JPS5714665B2 (de) 1982-03-25
IN142473B (de) 1977-07-16
SE423538B (sv) 1982-05-10
RO70955A (ro) 1981-06-26
DD118620A5 (de) 1976-03-12
NO752079L (de) 1975-12-15
YU142675A (en) 1982-02-28
CS188228B2 (en) 1979-02-28
EG11907A (en) 1978-03-29
FR2274610B1 (de) 1979-10-19
AR204277A1 (es) 1975-12-10
CA1053701A (en) 1979-05-01
FR2274610A1 (fr) 1976-01-09
BG29133A3 (en) 1980-09-15
ATA451375A (de) 1977-12-15
NL7507044A (nl) 1975-12-16
CH605697A5 (de) 1978-10-13
IE41544L (en) 1975-12-12
SE7506762L (sv) 1975-12-15
AU8197175A (en) 1976-12-16
BR7503716A (pt) 1976-07-06
DK241975A (da) 1975-12-13
PH13614A (en) 1980-08-07
PL106455B1 (pl) 1979-12-31
LU72705A1 (de) 1975-10-08
GB1470489A (en) 1977-04-14
DE2526353B2 (de) 1977-03-10
US4012443A (en) 1977-03-15
IE41544B1 (en) 1980-01-30
MW3375A1 (en) 1976-10-13
ZM7175A1 (en) 1976-03-22
DE2526353A1 (de) 1975-12-18
BE830108A (fr) 1975-10-01
TR18475A (tr) 1977-02-24
HU178091B (en) 1982-03-28
SU833158A3 (ru) 1981-05-23

Similar Documents

Publication Publication Date Title
AT344722B (de) Verfahren fuer die synthese von harnstoff
AT323114B (de) Verfahren zum prillen
AT319965B (de) Verfahren zu der Herstellung von Harnstoff
AT343670B (de) Verfahren zur gewinnung von nicht umgesetztem ammoniumcarbamat bei der harnstoffsynthese
AT347965B (de) Verfahren zur herstellung von harnstoff
IT983082B (it) Processo per la preparazione di un catalizzatore
ATA258677A (de) Verfahren fuer die gewinnung von schwefelver- bindungen
IT1042594B (it) Processo per la preparazione di catalizzatori
AT317910B (de) Verfahren zur Herstellung von Harnstoff
IT1034411B (it) Processo per la preparazione di un catalizzatore misto
AT344663B (de) Reaktor fuer plasmachemische verfahren
IT1034407B (it) Processo per la conversione di idrocarsuri
NL7514362A (nl) Werkwijze ter bereiding van ureumverbindingen.
BE827548A (nl) Werkwijze voor de omzetting van koolwaterstoffen
IT1033280B (it) Processo per la preparazione di un catalizzatore
IT1059143B (it) Processo per la fluorurazione di un catalizzatore
AT344723B (de) Verfahren zur verminderung des biuretgehaltes von harnstoff
NL7502257A (nl) Werkwijze ter bereiding van dicarbonzuurdiamiden.
IT1033279B (it) Processo per la preparazione di un catalizzatore
AT270668B (de) Verfahren zur Synthese von Harnstoff
DD128386A5 (de) Verfahren fuer die regeneration eines fluidkrack-katalysators
DD131857A5 (de) Verfahren zur herstellung von zwischenprodukten fuer die synthese von gamma-pyronen
AT332420B (de) Integriertes verfahren zur harnstofferzeugung
IT1015048B (it) Processo per la sintesi di urea
FR2285341A1 (fr) Procede de synthese de phosphure de gallium

Legal Events

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