BE598704A - Perfectionnements à la fabrication de l'urée - Google Patents

Perfectionnements à la fabrication de l'urée

Info

Publication number
BE598704A
BE598704A BE598704A BE598704A BE598704A BE 598704 A BE598704 A BE 598704A BE 598704 A BE598704 A BE 598704A BE 598704 A BE598704 A BE 598704A BE 598704 A BE598704 A BE 598704A
Authority
BE
Belgium
Prior art keywords
urea
manufacture
Prior art date
Application number
BE598704A
Other languages
English (en)
Inventor
Giacomo Fauser
Original Assignee
Montedison Spa
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 Montedison Spa filed Critical Montedison Spa
Publication of BE598704A publication Critical patent/BE598704A/fr

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
    • C07C273/04Preparation 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
    • 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
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/582Recycling of unreacted starting or intermediate materials
BE598704A 1959-12-31 1960-12-30 Perfectionnements à la fabrication de l'urée BE598704A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2173459 1959-12-31

Publications (1)

Publication Number Publication Date
BE598704A true BE598704A (fr) 1961-06-30

Family

ID=11186104

Family Applications (1)

Application Number Title Priority Date Filing Date
BE598704A BE598704A (fr) 1959-12-31 1960-12-30 Perfectionnements à la fabrication de l'urée

Country Status (9)

Country Link
US (1) US3406200A (fr)
AT (1) AT242160B (fr)
BE (1) BE598704A (fr)
CH (2) CH408898A (fr)
DE (1) DE1418971A1 (fr)
ES (1) ES263679A1 (fr)
GB (2) GB974412A (fr)
NL (1) NL259135A (fr)
SE (1) SE303282B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1148767A (en) * 1965-10-25 1969-04-16 Nissan Chemical Ind Ltd Process for the production of melamine
CN102786442B (zh) * 2012-08-16 2014-12-03 沧州大化股份有限公司 一种降低尿素装置合成进料系统能源消耗的方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE301279C (fr) * 1916-08-09
NL16594C (fr) * 1924-12-23 1900-01-01
US1730208A (en) * 1926-03-02 1929-10-01 Arthur B Lamb Process for production of urea
US2632316A (en) * 1950-11-04 1953-03-24 Texas Co Separation of carbon dioxide from gaseous mixtures
US2848493A (en) * 1955-06-27 1958-08-19 Allied Chem Process for synthesis of urea
US2842941A (en) * 1956-03-29 1958-07-15 J F Pritchard & Company Method for purification of carbon dioxide
US2929690A (en) * 1956-04-27 1960-03-22 Whiting Corp Apparatus for removing impurities from vapors released in evaporation process
US2913493A (en) * 1956-10-03 1959-11-17 Hydrocarbon Research Inc Urea synthesis
US2908556A (en) * 1957-08-08 1959-10-13 Nat Distillers Chem Corp Reactor design

Also Published As

Publication number Publication date
GB974411A (en) 1964-11-04
NL259135A (fr) 1900-01-01
GB974412A (en) 1964-11-04
US3406200A (en) 1968-10-15
ES263679A1 (es) 1961-05-16
CH408898A (de) 1966-03-15
SE303282B (fr) 1968-08-26
DE1418971A1 (de) 1968-10-10
CH409923A (de) 1966-03-31
AT242160B (de) 1965-09-10

Similar Documents

Publication Publication Date Title
BE592605A (fr) Perfectionnements à la fabrication de catalyseurs
BE580998A (fr) Perfectionnements à la fabrication des courroies
FR1260428A (fr) Perfectionnements apportés à la fabrication des résines d'halogénures de polyvinyle
BE598704A (fr) Perfectionnements à la fabrication de l'urée
FR1296647A (fr) Perfectionnements à la fabrication d'esters lourds
FR1276633A (fr) Perfectionnements à la fabrication de l'urée
FR75546E (fr) Perfectionnements à la fabrication des panneaux de construction
FR1255966A (fr) Perfectionnements relatifs à la fabrication des catalyseurs
FR1250653A (fr) Perfectionnements à l'édification de bâtiments
BE607415A (fr) Perfectionnements à la fabrication de filaments de polyamide
FR1248075A (fr) Perfectionnements à la fabrication des transistors
FR1168683A (fr) Perfectionnements à la fabrication de nitrate d'ammonique granulé
FR1245315A (fr) Perfectionnements à la fabrication et à l'érection de structures
FR1256826A (fr) Perfectionnements apportés à la fabrication de transistors à jonctions
FR1302419A (fr) Perfectionnement à la fabrication de l'hydrazine
FR1234274A (fr) Perfectionnement à la fabrication des aldéhydesulfoxylates
FR1193167A (fr) Perfectionnements à la fabrication de méthacrylate de méthyle
FR81820E (fr) Perfectionnements à la fabrication d'engrais granulés
FR1173735A (fr) Perfectionnements à la fabrication de la pentaérythrite
BE594858A (fr) Perfectionnements à la fabrication de fermetures à glissière.
FR1249888A (fr) Perfectionnements à la fabrication de <<vitraux>> en matières plastiques
FR1231411A (fr) Perfectionnements apportés à la fabrication de transistors
BE617507A (fr) Perfectionnements à la fabrication d'abatjour
FR1255242A (fr) Perfectionnements à l'élaboration du glucinium
FR1228897A (fr) Perfectionnement apporté à la fabrication des pagaies