GB2077722B - A process for the production of urea granules - Google Patents

A process for the production of urea granules

Info

Publication number
GB2077722B
GB2077722B GB8115005A GB8115005A GB2077722B GB 2077722 B GB2077722 B GB 2077722B GB 8115005 A GB8115005 A GB 8115005A GB 8115005 A GB8115005 A GB 8115005A GB 2077722 B GB2077722 B GB 2077722B
Authority
GB
United Kingdom
Prior art keywords
production
urea granules
granules
urea
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
GB8115005A
Other versions
GB2077722A (en
Inventor
Willy Prudent Van Hijfte
Luc Albert 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.)
Azote SA Cie Neerlandaise
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 GB2077722A publication Critical patent/GB2077722A/en
Application granted granted Critical
Publication of GB2077722B publication Critical patent/GB2077722B/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
GB8115005A 1980-05-20 1981-05-15 A process for the production of urea granules Expired GB2077722B (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
GB2077722A GB2077722A (en) 1981-12-23
GB2077722B true GB2077722B (en) 1984-02-15

Family

ID=19835332

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8115005A Expired GB2077722B (en) 1980-05-20 1981-05-15 A 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) ES8300311A1 (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
IE811062L (en) 1981-11-20
IE51964B1 (en) 1987-05-13
GR75604B (en) 1984-08-01
CA1157288A (en) 1983-11-22
FI71721B (en) 1986-10-31
YU42568B (en) 1988-10-31
ES502903A0 (en) 1982-11-01
ATA215381A (en) 1984-02-15
PT73053B (en) 1982-07-01
NO151648B (en) 1985-02-04
JPS6035320B2 (en) 1985-08-14
TR21674A (en) 1985-01-21
JPS5717487A (en) 1982-01-29
HU184438B (en) 1984-08-28
IT8121817A0 (en) 1981-05-19
AT375917B (en) 1984-09-25
SE446625B (en) 1986-09-29
NL8102191A (en) 1981-12-16
IT1136617B (en) 1986-09-03
CS372081A2 (en) 1988-03-15
EG15440A (en) 1985-12-31
NO811697L (en) 1981-11-23
SE8103139L (en) 1981-11-21
CS259506B2 (en) 1988-10-14
DE3118454C2 (en) 1984-04-26
GB2077722A (en) 1981-12-23
BR8103139A (en) 1982-02-09
MX160067A (en) 1989-11-17
PL134458B1 (en) 1985-08-31
ES8300311A1 (en) 1982-11-01
FI811539L (en) 1981-11-21
BE888842A (en) 1981-11-19
FR2482871B1 (en) 1986-05-09
PT73053A (en) 1981-06-01
YU128581A (en) 1983-06-30
NO151648C (en) 1985-05-15
NL8002912A (en) 1981-12-16
IN153960B (en) 1984-09-08
FR2482871A1 (en) 1981-11-27
DE3118454A1 (en) 1982-02-18
FI71721C (en) 1987-02-09
BG49613A3 (en) 1991-12-15
DD159040A5 (en) 1983-02-16
PL231271A1 (en) 1981-12-23
ZA813280B (en) 1982-05-26

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930515