DK114197B - Fremgangsmåde ved fremstilling af urinstof. - Google Patents

Fremgangsmåde ved fremstilling af urinstof.

Info

Publication number
DK114197B
DK114197B DK122467AA DK122467A DK114197B DK 114197 B DK114197 B DK 114197B DK 122467A A DK122467A A DK 122467AA DK 122467 A DK122467 A DK 122467A DK 114197 B DK114197 B DK 114197B
Authority
DK
Denmark
Prior art keywords
urea
production
Prior art date
Application number
DK122467AA
Other languages
Danish (da)
English (en)
Inventor
P Nilsen
L Ylvisaker
Original Assignee
Norsk Hydro Elektrisk
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 filed Critical Norsk Hydro Elektrisk
Publication of DK114197B publication Critical patent/DK114197B/da

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DK122467AA 1958-08-08 1967-03-09 Fremgangsmåde ved fremstilling af urinstof. DK114197B (da)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
DK114197B true DK114197B (da) 1969-06-09

Family

ID=26641659

Family Applications (1)

Application Number Title Priority Date Filing Date
DK122467AA DK114197B (da) 1958-08-08 1967-03-09 Fremgangsmåde ved fremstilling af urinstof.

Country Status (14)

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

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL250349A (de) * 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
NL172539C (nl) * 1972-06-12 1983-09-16 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
NL172058C (nl) * 1972-06-12 1983-07-01 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
CA2454168A1 (en) * 2001-07-24 2003-02-06 Dsm Ip Assets B.V. Method for obtaining an ammonium carbamate solution from a gas mixture containing nh3, h2o and co2
EP1918273A1 (de) * 2006-11-04 2008-05-07 Urea Casale S.A. Verfahren und Anlage für die Herstellung von Harnstoff

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 (de) * 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
NO117480B (de) 1969-08-18
FI48726B (de) 1974-09-02
BE694791A (de) 1967-07-31
GB853220A (en) 1960-11-02
JPS5313614B1 (de) 1978-05-11
FR1234419A (fr) 1960-10-17
CH374983A (de) 1964-02-15
DE1157212B (de) 1963-11-14
BE581293A (de) 1900-01-01
DE1618730A1 (de) 1971-02-25
FI48726C (fi) 1974-12-10
LU37505A1 (de)
NL230353A (de) 1900-01-01
NL168505C (nl) 1982-04-16
NL168505B (nl) 1981-11-16
ES337636A1 (es) 1968-03-01
US3120563A (en) 1964-02-04
DE1618730B2 (de) 1974-06-27
FR1513872A (fr) 1968-02-16
SE358881B (de) 1973-08-13
NL102507C (de) 1900-01-01
NL6703731A (de) 1967-09-11
GB1129787A (en) 1968-10-09
DE1618730C3 (de) 1975-02-13

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