ZA70334B - Process for treating urea granules - Google Patents

Process for treating urea granules

Info

Publication number
ZA70334B
ZA70334B ZA700334A ZA70334A ZA70334B ZA 70334 B ZA70334 B ZA 70334B ZA 700334 A ZA700334 A ZA 700334A ZA 70334 A ZA70334 A ZA 70334A ZA 70334 B ZA70334 B ZA 70334B
Authority
ZA
South Africa
Prior art keywords
urea granules
treating urea
treating
granules
urea
Prior art date
Application number
ZA700334A
Other languages
English (en)
Inventor
B Geertsema
M Willems
Original Assignee
Stamicarbon
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 Stamicarbon filed Critical Stamicarbon
Publication of ZA70334B publication Critical patent/ZA70334B/xx

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Fertilizers (AREA)
  • Fodder In General (AREA)
  • Medicinal Preparation (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Fats And Perfumes (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ZA700334A 1969-01-23 1970-01-19 Process for treating urea granules ZA70334B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6901099.A NL159357B (nl) 1969-01-23 1969-01-23 Werkwijze voor het verminderen van de dynamische hygroscopiciteit van kunstmestkorrels, alsmede de bij deze werkwijze verkregen korrels.

Publications (1)

Publication Number Publication Date
ZA70334B true ZA70334B (en) 1971-01-27

Family

ID=19805945

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA700334A ZA70334B (en) 1969-01-23 1970-01-19 Process for treating urea granules

Country Status (11)

Country Link
JP (1) JPS4919260B1 (fr)
AT (1) AT291312B (fr)
BE (1) BE744890A (fr)
BR (1) BR7016257D0 (fr)
DE (1) DE2002824B2 (fr)
ES (1) ES375779A1 (fr)
FR (1) FR2030228A1 (fr)
GB (1) GB1288333A (fr)
NL (1) NL159357B (fr)
NO (1) NO121955B (fr)
ZA (1) ZA70334B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2305914B (en) * 1995-10-06 1999-12-15 Chown Peter A C A slow release fertilizer product
GB2330093B (en) * 1997-10-10 2001-09-12 Foster Clarke Robin Adrian Coating fibrous or particulate animal litter
DE102009025291A1 (de) * 2009-06-15 2010-12-16 Szaidel Cosmetic Gmbh Kosmetische Zubereitung zum Blondieren von keratinischen Fasern, insbesondere von menschlichen Haaren, ein Verfahren zu ihrer Herstellung sowie die Verwendung derselben
CN103012019B (zh) * 2012-12-11 2014-10-29 吉林农业大学 一种尿素缓释膜材料及其制备方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR678452A (fr) * 1928-08-11 1930-03-24 Ig Farbenindustrie Ag Procédé pour la fabrication d'engrais se conservant en état d'être semés à la volée
GB335175A (en) * 1929-06-15 1930-09-15 Ig Farbenindustrie Ag Improvements in the manufacture and production of fertiliser salts which are capable of being stored
GB575617A (en) * 1942-12-02 1946-02-26 Edgar Fajans Waterproofing hygroscopic salts
FR1132108A (fr) * 1954-07-16 1957-03-05 Stamicarbon Procédé pour la fabrication de granules d'urée
FR1243658A (fr) * 1958-12-26 1960-10-14 American Cyanamid Co Particules d'urée et leur procédé de préparation
FR1450420A (fr) * 1962-09-28 1966-06-24 Sun Oil Co Nouveaux engrais à action lente et procédé de leur fabrication
US3192033A (en) * 1964-02-06 1965-06-29 Sun Oil Co Method of preparing a slow release urea fertilizer
NL6411244A (fr) * 1964-09-26 1966-03-28
FR1469714A (fr) * 1965-02-23 1967-02-17 Shell Int Research Procédé de préparation de compositions d'engrais

Also Published As

Publication number Publication date
BE744890A (fr) 1970-07-23
NL6901099A (fr) 1970-07-27
DE2002824A1 (de) 1970-07-30
NO121955B (fr) 1971-05-03
DE2002824C3 (fr) 1974-05-30
ES375779A1 (es) 1972-04-16
FR2030228A1 (fr) 1970-11-13
GB1288333A (fr) 1972-09-06
JPS4919260B1 (fr) 1974-05-16
DE2002824B2 (de) 1973-10-25
BR7016257D0 (pt) 1973-05-10
AT291312B (de) 1971-07-12
NL159357B (nl) 1979-02-15

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