IT972104B - Metodo e dispositivo per la prepara zione di particelle diurea - Google Patents

Metodo e dispositivo per la prepara zione di particelle diurea

Info

Publication number
IT972104B
IT972104B IT972572A IT972572A IT972104B IT 972104 B IT972104 B IT 972104B IT 972572 A IT972572 A IT 972572A IT 972572 A IT972572 A IT 972572A IT 972104 B IT972104 B IT 972104B
Authority
IT
Italy
Prior art keywords
preparation
diurea
particles
diurea particles
Prior art date
Application number
IT972572A
Other languages
English (en)
Italian (it)
Original Assignee
Airprocess Ag
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 Airprocess Ag filed Critical Airprocess Ag
Application granted granted Critical
Publication of IT972104B publication Critical patent/IT972104B/it

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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/02Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
    • B01J2/04Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a gaseous medium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Fertilizers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Glanulating (AREA)
IT972572A 1971-10-27 1972-10-26 Metodo e dispositivo per la prepara zione di particelle diurea IT972104B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7114771A NL7114771A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1971-10-27 1971-10-27

Publications (1)

Publication Number Publication Date
IT972104B true IT972104B (it) 1974-05-20

Family

ID=19814340

Family Applications (1)

Application Number Title Priority Date Filing Date
IT972572A IT972104B (it) 1971-10-27 1972-10-26 Metodo e dispositivo per la prepara zione di particelle diurea

Country Status (5)

Country Link
JP (1) JPS4852551A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2252112A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2159050A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT972104B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7114771A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1101641A (en) * 1977-06-09 1981-05-26 Anton Niks Urea granulation
NL191557C (nl) * 1980-05-12 1995-09-19 Azote Sa Cie Neerlandaise Werkwijze voor het vervaardigen van uit een kern en een omhulling opgebouwde korrels.

Also Published As

Publication number Publication date
DE2252112A1 (de) 1973-05-03
JPS4852551A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-07-24
FR2159050A5 (en) 1973-06-15
NL7114771A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-05-02

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