PT73053B - Process for the production of urea granules - Google Patents

Process for the production of urea granules

Info

Publication number
PT73053B
PT73053B PT73053A PT7305381A PT73053B PT 73053 B PT73053 B PT 73053B PT 73053 A PT73053 A PT 73053A PT 7305381 A PT7305381 A PT 7305381A PT 73053 B PT73053 B PT 73053B
Authority
PT
Portugal
Prior art keywords
production
urea granules
granules
urea
Prior art date
Application number
PT73053A
Other languages
Portuguese (pt)
Other versions
PT73053A (en
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 PT73053A publication Critical patent/PT73053A/en
Publication of PT73053B publication Critical patent/PT73053B/en

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)
PT73053A 1980-05-20 1981-05-19 Process for the production of urea granules PT73053B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8002912A NL8002912A (en) 1980-05-20 1980-05-20 METHOD FOR MAKING UREA GRANULES, AND ARTICLES OF FERTILIZER MIXTURES INCLUDED THEREFORE.

Publications (2)

Publication Number Publication Date
PT73053A PT73053A (en) 1981-06-01
PT73053B true PT73053B (en) 1982-07-01

Family

ID=19835332

Family Applications (1)

Application Number Title Priority Date Filing Date
PT73053A PT73053B (en) 1980-05-20 1981-05-19 Process for the production of urea granules

Country Status (28)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3117542A1 (en) * 1981-05-04 1983-02-10 Franz Josef Gattys Ingenieurbüro für Chem. Maschinen- und Apparatebau, 6078 Neu-Isenburg METHOD FOR STABILIZING DEHYDRATED MAGNESIUM CHLORIDE AGAINST RUECK HYDRATION
GR76402B (en) * 1981-07-03 1984-08-10 Azote Sa Cie Neerlandaise
NL8502838A (en) * 1985-10-17 1987-05-18 Azote Sa Cie Neerlandaise METHOD FOR MANUFACTURING UREA AND AMMONIUM SULFATE CONTAINING FERTILIZER GRAINS.
DE4232567C1 (en) * 1992-09-29 1994-02-10 Kali & Salz Ag Granular sulphate fertiliser treatment to prevent dust formation during bulk transformation - comprises spraying with conc. urea soln.
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 (en) 2005-04-18 2006-10-19 Ami-Agrolinz Melamine International Gmbh Solid particles production, especially urea particles, from flowable starting material containing e.g. actinium oxide, useful e.g. in catalysts or milling bodies, comprises splitting into droplets and introducing into solidification liquid
DE102021108187A1 (en) 2021-03-31 2022-10-06 Skw Stickstoffwerke Piesteritz Gmbh Granulated pH neutral urea ammonium sulphate fertilizer with urease inhibitor

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
NO811697L (en) 1981-11-23
FR2482871B1 (en) 1986-05-09
NO151648B (en) 1985-02-04
IT8121817A0 (en) 1981-05-19
MX160067A (en) 1989-11-17
GR75604B (en) 1984-08-01
GB2077722A (en) 1981-12-23
SE446625B (en) 1986-09-29
NL8102191A (en) 1981-12-16
CS259506B2 (en) 1988-10-14
FI71721C (en) 1987-02-09
FI811539L (en) 1981-11-21
IN153960B (en) 1984-09-08
SE8103139L (en) 1981-11-21
ES8300311A1 (en) 1982-11-01
JPS5717487A (en) 1982-01-29
PL134458B1 (en) 1985-08-31
NO151648C (en) 1985-05-15
GB2077722B (en) 1984-02-15
IT1136617B (en) 1986-09-03
FR2482871A1 (en) 1981-11-27
PT73053A (en) 1981-06-01
DD159040A5 (en) 1983-02-16
DE3118454C2 (en) 1984-04-26
NL8002912A (en) 1981-12-16
ZA813280B (en) 1982-05-26
AT375917B (en) 1984-09-25
FI71721B (en) 1986-10-31
BR8103139A (en) 1982-02-09
IE51964B1 (en) 1987-05-13
YU128581A (en) 1983-06-30
ES502903A0 (en) 1982-11-01
PL231271A1 (en) 1981-12-23
HU184438B (en) 1984-08-28
CS372081A2 (en) 1988-03-15
YU42568B (en) 1988-10-31
EG15440A (en) 1985-12-31
JPS6035320B2 (en) 1985-08-14
DE3118454A1 (en) 1982-02-18
CA1157288A (en) 1983-11-22
ATA215381A (en) 1984-02-15
TR21674A (en) 1985-01-21
IE811062L (en) 1981-11-20
BG49613A3 (en) 1991-12-15
BE888842A (en) 1981-11-19

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Legal Events

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MM3A Annulment or lapse

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Effective date: 19940102