CA1157288A - Process for the production of urea granules - Google Patents

Process for the production of urea granules

Info

Publication number
CA1157288A
CA1157288A CA000377380A CA377380A CA1157288A CA 1157288 A CA1157288 A CA 1157288A CA 000377380 A CA000377380 A CA 000377380A CA 377380 A CA377380 A CA 377380A CA 1157288 A CA1157288 A CA 1157288A
Authority
CA
Canada
Prior art keywords
urea
granules
solution
weight
production
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA000377380A
Other languages
English (en)
French (fr)
Inventor
Willy H. P. Van Hijfte
Luc A. Vanmarcke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEERLANDAISE DE L'AZOTE Cie SA
Original Assignee
NEERLANDAISE DE L'AZOTE Cie SA
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 NEERLANDAISE DE L'AZOTE Cie SA filed Critical NEERLANDAISE DE L'AZOTE Cie SA
Application granted granted Critical
Publication of CA1157288A publication Critical patent/CA1157288A/en
Expired legal-status Critical Current

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)
CA000377380A 1980-05-20 1981-05-12 Process for the production of urea granules Expired CA1157288A (en)

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 (1)

Publication Number Publication Date
CA1157288A true CA1157288A (en) 1983-11-22

Family

ID=19835332

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000377380A Expired CA1157288A (en) 1980-05-20 1981-05-12 Process for the production of urea granules

Country Status (28)

Country Link
JP (1) JPS6035320B2 (sv)
AT (1) AT375917B (sv)
BE (1) BE888842A (sv)
BG (1) BG49613A3 (sv)
BR (1) BR8103139A (sv)
CA (1) CA1157288A (sv)
CS (1) CS259506B2 (sv)
DD (1) DD159040A5 (sv)
DE (1) DE3118454C2 (sv)
EG (1) EG15440A (sv)
ES (1) ES502903A0 (sv)
FI (1) FI71721C (sv)
FR (1) FR2482871B1 (sv)
GB (1) GB2077722B (sv)
GR (1) GR75604B (sv)
HU (1) HU184438B (sv)
IE (1) IE51964B1 (sv)
IN (1) IN153960B (sv)
IT (1) IT1136617B (sv)
MX (1) MX160067A (sv)
NL (2) NL8002912A (sv)
NO (1) NO151648C (sv)
PL (1) PL134458B1 (sv)
PT (1) PT73053B (sv)
SE (1) SE446625B (sv)
TR (1) TR21674A (sv)
YU (1) YU42568B (sv)
ZA (1) ZA813280B (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4943308A (en) * 1985-10-17 1990-07-24 Hydro Agri Sluiskil B.V. Method of producing fertilizer granules containing urea and ammonium sulphate

Families Citing this family (7)

* 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 (sv) * 1981-07-03 1984-08-10 Azote Sa Cie Neerlandaise
DE4232567C1 (de) * 1992-09-29 1994-02-10 Kali & Salz Ag Verfahren zur Verhinderung einer Staubbildung beim Verladen oder Transportieren eines sulfatischen Düngergranulats
AU679330B2 (en) * 1994-02-11 1997-06-26 Incitec Ltd Granular urea
AUPM383594A0 (en) * 1994-02-11 1994-03-10 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4943308A (en) * 1985-10-17 1990-07-24 Hydro Agri Sluiskil B.V. Method of producing fertilizer granules containing urea and ammonium sulphate

Also Published As

Publication number Publication date
ES8300311A1 (es) 1982-11-01
CS372081A2 (en) 1988-03-15
IE51964B1 (en) 1987-05-13
GB2077722B (en) 1984-02-15
DE3118454A1 (de) 1982-02-18
FI811539L (fi) 1981-11-21
ZA813280B (en) 1982-05-26
GR75604B (sv) 1984-08-01
FI71721C (sv) 1987-02-09
DD159040A5 (de) 1983-02-16
PT73053A (en) 1981-06-01
NO151648B (no) 1985-02-04
NO151648C (no) 1985-05-15
GB2077722A (en) 1981-12-23
IE811062L (en) 1981-11-20
AT375917B (de) 1984-09-25
FR2482871B1 (fr) 1986-05-09
CS259506B2 (en) 1988-10-14
BE888842A (nl) 1981-11-19
NL8102191A (nl) 1981-12-16
BG49613A3 (en) 1991-12-15
IN153960B (sv) 1984-09-08
MX160067A (es) 1989-11-17
YU42568B (en) 1988-10-31
FR2482871A1 (fr) 1981-11-27
TR21674A (tr) 1985-01-21
JPS6035320B2 (ja) 1985-08-14
HU184438B (en) 1984-08-28
ATA215381A (de) 1984-02-15
YU128581A (en) 1983-06-30
DE3118454C2 (de) 1984-04-26
SE8103139L (sv) 1981-11-21
FI71721B (fi) 1986-10-31
PL134458B1 (en) 1985-08-31
IT1136617B (it) 1986-09-03
SE446625B (sv) 1986-09-29
PL231271A1 (sv) 1981-12-23
PT73053B (en) 1982-07-01
JPS5717487A (en) 1982-01-29
BR8103139A (pt) 1982-02-09
NL8002912A (nl) 1981-12-16
IT8121817A0 (it) 1981-05-19
EG15440A (en) 1985-12-31
NO811697L (no) 1981-11-23
ES502903A0 (es) 1982-11-01

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Legal Events

Date Code Title Description
MKEX Expiry