GB961733A - Improvements in and relating to treatment of ammonium nitrate - Google Patents

Improvements in and relating to treatment of ammonium nitrate

Info

Publication number
GB961733A
GB961733A GB8685/62A GB868562A GB961733A GB 961733 A GB961733 A GB 961733A GB 8685/62 A GB8685/62 A GB 8685/62A GB 868562 A GB868562 A GB 868562A GB 961733 A GB961733 A GB 961733A
Authority
GB
United Kingdom
Prior art keywords
hydrazine
nitrate
mono
guanidine
coating
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
GB8685/62A
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.)
Nitroglycerin AB
Original Assignee
Nitroglycerin AB
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 Nitroglycerin AB filed Critical Nitroglycerin AB
Publication of GB961733A publication Critical patent/GB961733A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • C01B21/38—Nitric acid
    • C01B21/46—Purification; Separation ; Stabilisation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/18—Nitrates of ammonium
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C1/00—Ammonium nitrate fertilisers
    • C05C1/02—Granulation; Pelletisation; Stabilisation; Colouring
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/30—Anti-agglomerating additives; Anti-solidifying additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Paints Or Removers (AREA)

Abstract

Ammonium nitrate with reduced tendency to cake is made by coating crystalline nitrate with a derivative of an amide, a guanidine or a hydrazine having at least one hydrophobic organic group of at least 8 carbon atoms, but preferably an alkyl group of 8 to 20 carbon atoms. Examples of coating substances are mono-octadecylamide, mono-octadecyl hydrazine, dioctadecyl hydrazine, N,N1-bisallylthiocarbamyl hydrazine, mono-octadecanoyl hydrazine, 3-hydroxy-2-naphthyl hydrazide, octadecanoylcarbamyl guanidine, octadecanoyl-carbamyl guanidine sulphate and mono-octadecyl guanidine. The coating is added in amount 0.001 to 0.5 g. per 100 g. of nitrate. It is advantageous to coat the nitrate at above the melting point of the coating agent and allow the nitrate to cool under stirring.
GB8685/62A 1961-03-07 1962-03-06 Improvements in and relating to treatment of ammonium nitrate Expired GB961733A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEN19696A DE1155100B (en) 1961-03-07 1961-03-07 Process for the manufacture of non-baking ammonium nitrate

Publications (1)

Publication Number Publication Date
GB961733A true GB961733A (en) 1964-06-24

Family

ID=7340985

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8685/62A Expired GB961733A (en) 1961-03-07 1962-03-06 Improvements in and relating to treatment of ammonium nitrate

Country Status (5)

Country Link
US (1) US3171717A (en)
CH (1) CH421062A (en)
DE (1) DE1155100B (en)
DK (1) DK109323C (en)
GB (1) GB961733A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3953192A (en) * 1973-01-15 1976-04-27 Chevron Research Company Non-caking hydroxy-aluminum polymer-coated ammonium salt compositions

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE478739A (en) * 1947-01-06
US2616785A (en) * 1948-12-29 1952-11-04 Ici Ltd Method of lowering the tendency towards setting of potassium nitrate and potassium nitrate of free-flowing form with a reduced tendency to setting
NL77005C (en) * 1950-09-25
BE558555A (en) * 1956-06-22

Also Published As

Publication number Publication date
US3171717A (en) 1965-03-02
CH421062A (en) 1966-09-30
DE1155100B (en) 1963-10-03
DK109323C (en) 1968-04-16

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