IT1136617B - Un procedimento per la produzione di granuli d'urea - Google Patents

Un procedimento per la produzione di granuli d'urea

Info

Publication number
IT1136617B
IT1136617B IT21817/81A IT2181781A IT1136617B IT 1136617 B IT1136617 B IT 1136617B IT 21817/81 A IT21817/81 A IT 21817/81A IT 2181781 A IT2181781 A IT 2181781A IT 1136617 B IT1136617 B IT 1136617B
Authority
IT
Italy
Prior art keywords
procedure
production
urea granules
granules
urea
Prior art date
Application number
IT21817/81A
Other languages
English (en)
Other versions
IT8121817A0 (it
Inventor
Willy Prudent Van Hijfte
Luc Albert Vanmarcke
Original Assignee
Azote Sa Cie Neerlandaise
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 Azote Sa Cie Neerlandaise filed Critical Azote Sa Cie Neerlandaise
Publication of IT8121817A0 publication Critical patent/IT8121817A0/it
Priority to DE19828213931U priority Critical patent/DE8213931U1/de
Priority to US06/378,876 priority patent/US4492097A/en
Priority to CS823641A priority patent/CS244110B2/cs
Application granted granted Critical
Publication of IT1136617B publication Critical patent/IT1136617B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C9/00—Fertilisers containing urea or urea compounds
    • C05C9/005—Post-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/30—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic using agents to prevent the granules sticking together; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05B—PHOSPHATIC FERTILISERS
    • C05B19/00—Granulation or pelletisation of phosphatic fertilisers, other than slag
    • C05B19/02—Granulation or pelletisation of phosphatic fertilisers, other than slag of superphosphates or mixtures containing them
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Fertilizers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Medicinal Preparation (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
IT21817/81A 1980-05-20 1981-05-19 Un procedimento per la produzione di granuli d'urea IT1136617B (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19828213931U DE8213931U1 (de) 1981-05-19 1982-05-13 Strumpfrundstrickmaschine, insbesondere zur herstellung von damenstruempfen, mit platinendrueckernocken
US06/378,876 US4492097A (en) 1981-05-19 1982-05-17 Circular knitting machine for hosiery articles
CS823641A CS244110B2 (en) 1981-05-19 1982-05-18 Circular knitting frame for fotwear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8002912A NL8002912A (nl) 1980-05-20 1980-05-20 Werkwijze voor het maken van ureumkorrels, alsmede aldus verkregen ureumkorrels bevattende kunstmestmengsels.

Publications (2)

Publication Number Publication Date
IT8121817A0 IT8121817A0 (it) 1981-05-19
IT1136617B true IT1136617B (it) 1986-09-03

Family

ID=19835332

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21817/81A IT1136617B (it) 1980-05-20 1981-05-19 Un procedimento per la produzione di granuli d'urea

Country Status (28)

Country Link
JP (1) JPS6035320B2 (it)
AT (1) AT375917B (it)
BE (1) BE888842A (it)
BG (1) BG49613A3 (it)
BR (1) BR8103139A (it)
CA (1) CA1157288A (it)
CS (1) CS259506B2 (it)
DD (1) DD159040A5 (it)
DE (1) DE3118454C2 (it)
EG (1) EG15440A (it)
ES (1) ES8300311A1 (it)
FI (1) FI71721C (it)
FR (1) FR2482871B1 (it)
GB (1) GB2077722B (it)
GR (1) GR75604B (it)
HU (1) HU184438B (it)
IE (1) IE51964B1 (it)
IN (1) IN153960B (it)
IT (1) IT1136617B (it)
MX (1) MX160067A (it)
NL (2) NL8002912A (it)
NO (1) NO151648C (it)
PL (1) PL134458B1 (it)
PT (1) PT73053B (it)
SE (1) SE446625B (it)
TR (1) TR21674A (it)
YU (1) YU42568B (it)
ZA (1) ZA813280B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3117542A1 (de) * 1981-05-04 1983-02-10 Franz Josef Gattys Ingenieurbüro für Chem. Maschinen- und Apparatebau, 6078 Neu-Isenburg Verfahren zur stabilisierung von dehydratisiertem magnesiumschlorid gegen rueck-hydratisierung
GR76402B (it) * 1981-07-03 1984-08-10 Azote Sa Cie Neerlandaise
NL8502838A (nl) * 1985-10-17 1987-05-18 Azote Sa Cie Neerlandaise Werkwijze ter vervaardiging van ureum en ammoniumsulfaat bevattende meststofkorrels.
DE4232567C1 (de) * 1992-09-29 1994-02-10 Kali & Salz Ag Verfahren zur Verhinderung einer Staubbildung beim Verladen oder Transportieren eines sulfatischen Düngergranulats
AUPM383594A0 (en) * 1994-02-11 1994-03-10 Incitec Ltd Granular urea
AU679330B2 (en) * 1994-02-11 1997-06-26 Incitec Ltd Granular urea
DE102005018949A1 (de) 2005-04-18 2006-10-19 Ami-Agrolinz Melamine International Gmbh Harnstoffpartikel, Verfahren zu dessen Herstellung und dessen Verwendung
DE102021108187A1 (de) 2021-03-31 2022-10-06 Skw Stickstoffwerke Piesteritz Gmbh Granuliertes pH-neutrales Harnstoff-Ammoniumsulfat-Düngemittel mit Ureaseinhibitor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB731686A (en) * 1952-06-25 1955-06-15 Ici Ltd Improvements in and relating to urea compositions
GB837163A (en) * 1958-01-31 1960-06-09 Ici Ltd Improvements in and relating to urea compositions
GB1220826A (en) * 1967-09-13 1971-01-27 Fisons Ltd Process for the production of particulate urea

Also Published As

Publication number Publication date
GB2077722B (en) 1984-02-15
FR2482871B1 (fr) 1986-05-09
FI71721C (fi) 1987-02-09
IE51964B1 (en) 1987-05-13
JPS5717487A (en) 1982-01-29
PT73053B (en) 1982-07-01
NO811697L (no) 1981-11-23
ES502903A0 (es) 1982-11-01
DE3118454A1 (de) 1982-02-18
CA1157288A (en) 1983-11-22
FI71721B (fi) 1986-10-31
ES8300311A1 (es) 1982-11-01
YU42568B (en) 1988-10-31
SE8103139L (sv) 1981-11-21
EG15440A (en) 1985-12-31
MX160067A (es) 1989-11-17
PL134458B1 (en) 1985-08-31
CS259506B2 (en) 1988-10-14
IE811062L (en) 1981-11-20
NL8102191A (nl) 1981-12-16
IN153960B (it) 1984-09-08
YU128581A (en) 1983-06-30
AT375917B (de) 1984-09-25
BR8103139A (pt) 1982-02-09
JPS6035320B2 (ja) 1985-08-14
TR21674A (tr) 1985-01-21
IT8121817A0 (it) 1981-05-19
CS372081A2 (en) 1988-03-15
ZA813280B (en) 1982-05-26
NO151648C (no) 1985-05-15
HU184438B (en) 1984-08-28
NL8002912A (nl) 1981-12-16
PT73053A (en) 1981-06-01
BE888842A (nl) 1981-11-19
SE446625B (sv) 1986-09-29
FR2482871A1 (fr) 1981-11-27
ATA215381A (de) 1984-02-15
DE3118454C2 (de) 1984-04-26
GB2077722A (en) 1981-12-23
NO151648B (no) 1985-02-04
DD159040A5 (de) 1983-02-16
BG49613A3 (en) 1991-12-15
GR75604B (it) 1984-08-01
PL231271A1 (it) 1981-12-23
FI811539L (fi) 1981-11-21

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