DE3118454C2 - "Verfahren zur Herstellung von Harnstoffkörnern" - Google Patents

"Verfahren zur Herstellung von Harnstoffkörnern"

Info

Publication number
DE3118454C2
DE3118454C2 DE3118454A DE3118454A DE3118454C2 DE 3118454 C2 DE3118454 C2 DE 3118454C2 DE 3118454 A DE3118454 A DE 3118454A DE 3118454 A DE3118454 A DE 3118454A DE 3118454 C2 DE3118454 C2 DE 3118454C2
Authority
DE
Germany
Prior art keywords
urea
grains
melt
superphosphate
weight
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
DE3118454A
Other languages
German (de)
English (en)
Other versions
DE3118454A1 (de
Inventor
Willy Henri Prudent 9960 Assenede Van Hijfte
Luc Albert 9971 Kaprijke-Lembeke 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 DE3118454A1 publication Critical patent/DE3118454A1/de
Application granted granted Critical
Publication of DE3118454C2 publication Critical patent/DE3118454C2/de
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)
DE3118454A 1980-05-20 1981-05-09 "Verfahren zur Herstellung von Harnstoffkörnern" Expired DE3118454C2 (de)

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
DE3118454A1 DE3118454A1 (de) 1982-02-18
DE3118454C2 true DE3118454C2 (de) 1984-04-26

Family

ID=19835332

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3118454A Expired DE3118454C2 (de) 1980-05-20 1981-05-09 "Verfahren zur Herstellung von Harnstoffkörnern"

Country Status (28)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4067324A1 (de) 2021-03-31 2022-10-05 SKW STICKSTOFFWERKE PIESTERITZ GmbH Granuliertes ph-neutrales harnstoff-ammoniumsulfat-düngemittel mit ureaseinhibitor

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 (pt) * 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

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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4067324A1 (de) 2021-03-31 2022-10-05 SKW STICKSTOFFWERKE PIESTERITZ GmbH Granuliertes ph-neutrales harnstoff-ammoniumsulfat-düngemittel mit ureaseinhibitor
DE102021108187A1 (de) 2021-03-31 2022-10-06 Skw Stickstoffwerke Piesteritz Gmbh Granuliertes pH-neutrales Harnstoff-Ammoniumsulfat-Düngemittel mit Ureaseinhibitor

Also Published As

Publication number Publication date
NL8102191A (nl) 1981-12-16
GR75604B (pt) 1984-08-01
BE888842A (nl) 1981-11-19
YU42568B (en) 1988-10-31
PL134458B1 (en) 1985-08-31
FI71721C (fi) 1987-02-09
CA1157288A (en) 1983-11-22
ZA813280B (en) 1982-05-26
HU184438B (en) 1984-08-28
GB2077722A (en) 1981-12-23
MX160067A (es) 1989-11-17
ES8300311A1 (es) 1982-11-01
SE8103139L (sv) 1981-11-21
NO811697L (no) 1981-11-23
ES502903A0 (es) 1982-11-01
IT1136617B (it) 1986-09-03
JPS5717487A (en) 1982-01-29
IT8121817A0 (it) 1981-05-19
BR8103139A (pt) 1982-02-09
NL8002912A (nl) 1981-12-16
FI811539L (fi) 1981-11-21
FR2482871A1 (fr) 1981-11-27
AT375917B (de) 1984-09-25
NO151648B (no) 1985-02-04
TR21674A (tr) 1985-01-21
CS372081A2 (en) 1988-03-15
IE811062L (en) 1981-11-20
PL231271A1 (pt) 1981-12-23
JPS6035320B2 (ja) 1985-08-14
CS259506B2 (en) 1988-10-14
ATA215381A (de) 1984-02-15
IE51964B1 (en) 1987-05-13
GB2077722B (en) 1984-02-15
FI71721B (fi) 1986-10-31
YU128581A (en) 1983-06-30
BG49613A3 (en) 1991-12-15
SE446625B (sv) 1986-09-29
NO151648C (no) 1985-05-15
PT73053A (en) 1981-06-01
FR2482871B1 (fr) 1986-05-09
DE3118454A1 (de) 1982-02-18
EG15440A (en) 1985-12-31
DD159040A5 (de) 1983-02-16
IN153960B (pt) 1984-09-08
PT73053B (en) 1982-07-01

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee