FI71721C - Foerfarande foer framstaellning av ureagranuler och deras anvaendning i goedslingsblandning. - Google Patents

Foerfarande foer framstaellning av ureagranuler och deras anvaendning i goedslingsblandning. Download PDF

Info

Publication number
FI71721C
FI71721C FI811539A FI811539A FI71721C FI 71721 C FI71721 C FI 71721C FI 811539 A FI811539 A FI 811539A FI 811539 A FI811539 A FI 811539A FI 71721 C FI71721 C FI 71721C
Authority
FI
Finland
Prior art keywords
urea
granules
solution
mgo
weight
Prior art date
Application number
FI811539A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI811539L (fi
FI71721B (fi
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 FI811539L publication Critical patent/FI811539L/fi
Publication of FI71721B publication Critical patent/FI71721B/fi
Application granted granted Critical
Publication of FI71721C publication Critical patent/FI71721C/fi

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)
FI811539A 1980-05-20 1981-05-19 Foerfarande foer framstaellning av ureagranuler och deras anvaendning i goedslingsblandning. FI71721C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8002912 1980-05-20
NL8002912A NL8002912A (nl) 1980-05-20 1980-05-20 Werkwijze voor het maken van ureumkorrels, alsmede aldus verkregen ureumkorrels bevattende kunstmestmengsels.

Publications (3)

Publication Number Publication Date
FI811539L FI811539L (fi) 1981-11-21
FI71721B FI71721B (fi) 1986-10-31
FI71721C true FI71721C (fi) 1987-02-09

Family

ID=19835332

Family Applications (1)

Application Number Title Priority Date Filing Date
FI811539A FI71721C (fi) 1980-05-20 1981-05-19 Foerfarande foer framstaellning av ureagranuler och deras anvaendning i goedslingsblandning.

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) ES502903A0 (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
DE3223139C2 (de) * 1981-07-03 1985-02-07 Compagnie Néerlandaise de l'Azote S.A., Bruxelles Verfahren zur Herstellung von Harnstoff als Hauptbestandteil enthaltenden Düngemittelkörnern
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
DD159040A5 (de) 1983-02-16
AT375917B (de) 1984-09-25
NO151648C (no) 1985-05-15
IT1136617B (it) 1986-09-03
DE3118454C2 (de) 1984-04-26
ATA215381A (de) 1984-02-15
PL231271A1 (it) 1981-12-23
FI811539L (fi) 1981-11-21
NO151648B (no) 1985-02-04
IT8121817A0 (it) 1981-05-19
CS372081A2 (en) 1988-03-15
ES8300311A1 (es) 1982-11-01
HU184438B (en) 1984-08-28
GB2077722B (en) 1984-02-15
SE446625B (sv) 1986-09-29
FI71721B (fi) 1986-10-31
GR75604B (it) 1984-08-01
JPS5717487A (en) 1982-01-29
TR21674A (tr) 1985-01-21
EG15440A (en) 1985-12-31
PL134458B1 (en) 1985-08-31
PT73053A (en) 1981-06-01
BE888842A (nl) 1981-11-19
YU42568B (en) 1988-10-31
NO811697L (no) 1981-11-23
MX160067A (es) 1989-11-17
FR2482871A1 (fr) 1981-11-27
ES502903A0 (es) 1982-11-01
BG49613A3 (en) 1991-12-15
GB2077722A (en) 1981-12-23
SE8103139L (sv) 1981-11-21
DE3118454A1 (de) 1982-02-18
CA1157288A (en) 1983-11-22
PT73053B (en) 1982-07-01
FR2482871B1 (fr) 1986-05-09
YU128581A (en) 1983-06-30
CS259506B2 (en) 1988-10-14
IN153960B (it) 1984-09-08
JPS6035320B2 (ja) 1985-08-14
IE51964B1 (en) 1987-05-13
ZA813280B (en) 1982-05-26
NL8002912A (nl) 1981-12-16
NL8102191A (nl) 1981-12-16
BR8103139A (pt) 1982-02-09
IE811062L (en) 1981-11-20

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: COMPAGNIE NEERLANDAISE DE L AZOTE