GR29902B - Μεθοδος δια την παρασκευην ουριας. - Google Patents

Μεθοδος δια την παρασκευην ουριας.

Info

Publication number
GR29902B
GR29902B GR610129902A GR610129902A GR29902B GR 29902 B GR29902 B GR 29902B GR 610129902 A GR610129902 A GR 610129902A GR 610129902 A GR610129902 A GR 610129902A GR 29902 B GR29902 B GR 29902B
Authority
GR
Greece
Prior art keywords
melt
preparation
urine
expelled
pressure
Prior art date
Application number
GR610129902A
Other languages
English (en)
Original Assignee
Stamicarbon N.V
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 Stamicarbon N.V filed Critical Stamicarbon N.V
Publication of GR29902B publication Critical patent/GR29902B/el

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)

Abstract

έθοδος για την παρασκευήν ουρίας καθ' ήν ΝΗ3 και CΟ2 αντιδρώσιν εντός αυτοκαύστου υπό υψωμένην θερμοκρασίας και πίεσιν πρός ληψιν ενός ουριακού τήματος περιέχοντος καρβαμιδικόν αμμώνιον και το καρβαμιδικόν αμμώνιον απελαυνεται έκ του ρηθέντος τμήατμος δι' αποσυνθέσεως του ρηθέντςο καρβαμιδικού άλατος και εκδιώξεως της NH3 και CO2 έκ του τήγματος,την βελτίωσιν ήτις περιλαμβάνει αφαίρεσιν του ρηθέντος καρβαμιδικου άλατςο έκ του ρηθέντος τήγματοςδιά κατεργασίας του τήγματος μετά CO2 υπό μίαν πίεσιν τουλάχιστιον 10 ατμοσφαιρών οπότε ΝΗ3 και CO2εκδιώκονται έκ του ρηθέντος τήγματος και επανέρχονται τα ούτω εκδιωχθέντα ΝΗ3 και CO2 είς το ρηθέν αυτόκαυστον διά περαιτέρω αντίδρασιν.
GR610129902A 1960-04-08 1961-04-05 Μεθοδος δια την παρασκευην ουριας. GR29902B (el)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL250349 1960-04-08

Publications (1)

Publication Number Publication Date
GR29902B true GR29902B (el) 1961-04-05

Family

ID=19752273

Family Applications (1)

Application Number Title Priority Date Filing Date
GR610129902A GR29902B (el) 1960-04-08 1961-04-05 Μεθοδος δια την παρασκευην ουριας.

Country Status (11)

Country Link
US (1) US3356723A (el)
BE (1) BE602219A (el)
CH (1) CH411833A (el)
DE (1) DE1166769B (el)
ES (1) ES266395A1 (el)
FR (1) FR1285786A (el)
GB (1) GB952764A (el)
GR (1) GR29902B (el)
MY (1) MY6700126A (el)
NL (2) NL250349A (el)
OA (1) OA01009A (el)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3406201A (en) * 1965-06-18 1968-10-15 Exxon Research Engineering Co Urea synthesis
US3954861A (en) * 1968-02-05 1976-05-04 Snamprogetti S.P.A Process for producing urea
US3876696A (en) * 1968-09-03 1975-04-08 Snam Progetti Process for the production of urea having a low carbamate content
US4092358A (en) * 1968-09-03 1978-05-30 Snamprogetti S.P.A. Process for the production of urea having a low carbamate content
US3686305A (en) * 1969-02-19 1972-08-22 Mitsui Toatsu Chemicals Method for synthesizing urea
US4154760A (en) * 1969-06-11 1979-05-15 Mitsui Toatsu Chemicals, Inc. Process for controlling the temperature during urea synthesis
ES379855A1 (es) * 1969-06-11 1973-02-16 Titsui Toatsu Chemicals Inc Procedimiento para sintetizar urea de dioxido de carbono y amoniaco.
BE787832A (fr) * 1971-09-02 1973-02-22 Stamicarbon Procede pour la preparation d'uree
NL172058C (nl) * 1972-06-12 1983-07-01 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
US4036878A (en) * 1972-06-12 1977-07-19 Unie Van Kunstmestfabrieken, B.V. Process for preparing urea
NL7307036A (el) * 1973-05-21 1974-11-25
CA1017535A (en) * 1974-03-29 1977-09-20 Sherritt Gordon Mines Limited Method and apparatus for the continuous condensation of a gaseous mixture of ammonia, carbon dioxide and water vapour
US4094903A (en) * 1976-01-21 1978-06-13 Ivo Mavrovic Urea synthesis with improved heat recovery and conversion
BG35038A3 (en) * 1977-05-05 1984-01-16 Montedison Spa Method and installation for synthesis of urea
NL7713190A (nl) * 1977-11-30 1979-06-01 Unie Van Kunstmestfab Bv Werkwijze en inrichting voor het verwijderen van ammoniumcarbamaat uit een ureumsynthese- oplossing.
IT1174366B (it) * 1978-07-24 1987-07-01 Ortu Francesco Decompositore di carbammato per produzione industriale di urea
JPS5573651A (en) * 1978-11-30 1980-06-03 Toyo Eng Corp Preparation of urea
JPS5811432B2 (ja) * 1979-10-08 1983-03-02 三井東圧化学株式会社 尿素合成法
IT1141030B (it) * 1980-08-29 1986-10-01 Snam Progetti Procedimento per la produzione di urea
JPS5746954A (en) * 1980-09-05 1982-03-17 Mitsui Toatsu Chem Inc Synthesis of urea
IT1163783B (it) * 1983-07-14 1987-04-08 Montedison Spa Processo per la produzione di urea con bassi consumi di vapore
NL187393C (nl) * 1982-11-26 1991-09-16 V I Kucheryavy T M Bogdanova D Werkwijze voor het bereiden van ureum.
NL8400839A (nl) * 1984-03-16 1985-10-16 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
IT1232669B (it) * 1989-09-15 1992-03-02 Snam Progetti Procedimento per la produzione di urea con elevato rendimento energetico.
IT1270577B (it) * 1993-02-22 1997-05-06 Wladimiro Bizzotto Reattore melamina ad alta pressione
IT1274362B (it) * 1995-02-16 1997-07-17 Snam Progetti Procedimento ad alta resa per la sintesi dell'urea
NL1004977C2 (nl) * 1997-01-13 1998-07-15 Dsm Nv Methode om de capaciteit van een bestaand ureum proces te verhogen.
ITMI20110804A1 (it) 2011-05-10 2012-11-11 Saipem Spa "processo ad alta resa per la sintesi dell'urea"
GEP20166499B (en) 2011-10-14 2016-06-27 Stamicarbon Method for urea final processing
CA3082032C (en) * 2017-11-10 2021-10-26 Stamicarbon B.V. Urea production process and plant

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE581293A (el) * 1958-08-08 1900-01-01

Also Published As

Publication number Publication date
GB952764A (en) 1964-03-18
NL250349A (el)
CH411833A (de) 1966-04-30
FR1285786A (fr) 1962-02-23
NL101446C (el)
ES266395A1 (es) 1961-11-01
OA01009A (fr) 1968-08-07
DE1166769B (de) 1964-04-02
US3356723A (en) 1967-12-05
MY6700126A (en) 1967-12-31
BE602219A (fr) 1961-10-05

Similar Documents

Publication Publication Date Title
NL7415699A (nl) Nieuwe n-polyhydroxyalkyl-aminozuren, werkwijze ter bereiding daarvan, alsmede van huidverzor- gings- en huidbeschermingsmiddelen, die deze verbindingen bevatten.
BE606590A (fr) Procédé pour l'oxydation photochimique de NO en NO2.
GB1529576A (en) Derivatives of diphtheria toxin process for preparing them and agents containing them
GR33978B (el) Μεθοδος δια την ληψιν ουριας χαμηλης περιεκτικοτητος εις διουριαν.
FR1295832A (fr) Procédé de préparation de dérivés peptidiques, notamment d'hydrazides peptidiques
CH426067A (de) Verfahren zur Herstellung unsymmetrischer 4-Halogen-4',4''-diarylamino-triphenylmethan-Farbstoffe
FR1294M (fr) Procédé de fabrication de n-arylsulfonyl-n'-(2,5-endométhylene-1,2,5,6-tétrahydrobenzyl)-urées.
BE619290R (fr) Procédé de récupération de catalyseurs.
ES453775A1 (es) Procedimiento para la preparacion de n,n'-bis-trimetilsili- lurea.
BR8002788A (pt) Processo de preparacao de benzoxazolona
SE200801C1 (sv) Sätt att framställa höghallfast stal med högst 0,2% kol
AT241468B (de) Verfahren zur Herstellung von neuen 1, 4-Bis- {[7'-chlorchinolyl-(4')]-aminoalkyl }-piperazinen
ES462561A1 (es) Un procedimiento para preparar acido cianurico.
FR1534669A (fr) Procédé et dispositif de décomposition de carbamate d'ammonium notamment résultant de la synthèse de l'urée ainsi que les produits obtenus par le présent procédé ou procédé similaire
AT240867B (de) Verfahren zur Herstellung von beispielsweise als Herbizid verwendbaren, neuen Isothioharnstoffderivaten
CH444134A (de) Verfahren zur Herstellung von 2-Hydroxy-2',4,5-trimethylbenzophenon
ES440337A1 (es) Un procedimiento para la preparacion de la sal de arginina de amoxiciclina.
FR1330134A (fr) Procédé de tannage avec de l'aldéhyde glutarique notamment pour le tannage d'enveloppes pour saucisses
BE598486A (fr) Procédé de coupe des diverses parties constitutives d'un costume.
AT299158B (de) Verfahren zur Herstellung des neuen N<1>-L-Serin-N<2>-(2,3,4-trihydroxybenzyl)-hydrazids sowie dessen Säureadditionssalze
GR26071B (el) Βελτιωσεις εις την βιομηχανικην παρασκευην της ουριας.
KR790000299B1 (en) Process for n-(4'-alkoxycarbnyl-ethyl)-n-haloacetyl-2,6-dialkylanilines
FR82516E (fr) Procédé de préparation de dérivés peptidiques, notamment d'hydrazides peptidiques
GB1238278A (el)
FR2115552A5 (en) 1-tert-butoxycarbonyl-4-amino pyridinium chloride - - useful as blocking agent for amines