FR1513872A - Procédé de production d'urée à partir de l'ammoniac et de l'anhydride carbonique - Google Patents

Procédé de production d'urée à partir de l'ammoniac et de l'anhydride carbonique

Info

Publication number
FR1513872A
FR1513872A FR98141A FR98141A FR1513872A FR 1513872 A FR1513872 A FR 1513872A FR 98141 A FR98141 A FR 98141A FR 98141 A FR98141 A FR 98141A FR 1513872 A FR1513872 A FR 1513872A
Authority
FR
France
Prior art keywords
ammonia
carbon dioxide
producing urea
urea
producing
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR98141A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Norsk Hydro Elektrisk Kvaelstof AS
Original Assignee
Norsk Hydro Elektrisk Kvaelstof AS
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 Norsk Hydro Elektrisk Kvaelstof AS filed Critical Norsk Hydro Elektrisk Kvaelstof AS
Application granted granted Critical
Publication of FR1513872A publication Critical patent/FR1513872A/fr
Expired legal-status Critical Current

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/08—Biaxial stretching during blow-moulding
    • B29C49/10—Biaxial stretching during blow-moulding using mechanical means for prestretching
    • B29C49/14—Clamps
    • 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
FR98141A 1958-08-08 1967-03-09 Procédé de production d'urée à partir de l'ammoniac et de l'anhydride carbonique Expired FR1513872A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL230353 1958-08-08
NO162050A NO117480B (fr) 1958-08-08 1966-03-10

Publications (1)

Publication Number Publication Date
FR1513872A true FR1513872A (fr) 1968-02-16

Family

ID=26641659

Family Applications (2)

Application Number Title Priority Date Filing Date
FR802245A Expired FR1234419A (fr) 1958-08-08 1959-08-06 Préparation d'urée
FR98141A Expired FR1513872A (fr) 1958-08-08 1967-03-09 Procédé de production d'urée à partir de l'ammoniac et de l'anhydride carbonique

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR802245A Expired FR1234419A (fr) 1958-08-08 1959-08-06 Préparation d'urée

Country Status (14)

Country Link
US (1) US3120563A (fr)
JP (1) JPS5313614B1 (fr)
BE (2) BE694791A (fr)
CH (1) CH374983A (fr)
DE (2) DE1157212B (fr)
DK (1) DK114197B (fr)
ES (1) ES337636A1 (fr)
FI (1) FI48726C (fr)
FR (2) FR1234419A (fr)
GB (2) GB853220A (fr)
LU (1) LU37505A1 (fr)
NL (3) NL168505C (fr)
NO (1) NO117480B (fr)
SE (1) SE358881B (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL250349A (fr) * 1960-04-08
US3284537A (en) * 1965-01-14 1966-11-08 Stratford Eng Corp Method of charging reactants through concentric feed tubes
US4137262A (en) * 1969-10-16 1979-01-30 Snam Progetti S.P.A. Process for the production of urea
NL172058C (nl) * 1972-06-12 1983-07-01 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
NL172539C (nl) * 1972-06-12 1983-09-16 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
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
JPS54151917A (en) * 1978-05-20 1979-11-29 Mitsui Toatsu Chem Inc Elimination of explosiveness of tail gas of urea preparation process
US4235816A (en) * 1979-03-08 1980-11-25 Snamprogetti S.P.A. Integrated ammonia-urea process
NL8104040A (nl) * 1981-09-01 1983-04-05 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
US4433146A (en) * 1982-04-07 1984-02-21 Stamicarbon B.V. Process for the preparation of melamine
ATE295827T1 (de) * 2001-07-24 2005-06-15 Dsm Ip Assets Bv Verfahren zur herstellung einer ammoniumcarbamatlösung aus einem gemisch von ammonia, wasser und kohlenstoffdioxid
EP1918273A1 (fr) * 2006-11-04 2008-05-07 Urea Casale S.A. Procédé et installation pour la production d'urée

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1784074A (en) * 1926-10-15 1930-12-09 Pauling Harry Apparatus for the production of ammonia-air mixtures
US2267133A (en) * 1939-02-20 1941-12-23 Solvay Process Co Process for treating urea synthesis effluents
US2632711A (en) * 1948-09-03 1953-03-24 Trief Victor Method for producing iron cement in powder form
NL83307C (fr) * 1952-03-11
US2807574A (en) * 1953-10-21 1957-09-24 Hirano Masao Treatment of unreacted ammonia in the manufacture of urea
US2850360A (en) * 1956-05-23 1958-09-02 Phillips Petroleum Co Apparatus for production of products by exothermic-endothermic heat exchange

Also Published As

Publication number Publication date
LU37505A1 (fr)
NL102507C (fr) 1900-01-01
SE358881B (fr) 1973-08-13
DE1618730B2 (de) 1974-06-27
ES337636A1 (es) 1968-03-01
DE1157212B (de) 1963-11-14
NL230353A (fr) 1900-01-01
GB853220A (en) 1960-11-02
FI48726C (fi) 1974-12-10
DK114197B (da) 1969-06-09
NL168505C (nl) 1982-04-16
US3120563A (en) 1964-02-04
BE694791A (fr) 1967-07-31
JPS5313614B1 (fr) 1978-05-11
FI48726B (fr) 1974-09-02
GB1129787A (en) 1968-10-09
NL168505B (nl) 1981-11-16
NO117480B (fr) 1969-08-18
FR1234419A (fr) 1960-10-17
BE581293A (fr) 1900-01-01
CH374983A (de) 1964-02-15
DE1618730C3 (de) 1975-02-13
DE1618730A1 (de) 1971-02-25
NL6703731A (fr) 1967-09-11

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