GB961733A - Improvements in and relating to treatment of ammonium nitrate - Google Patents
Improvements in and relating to treatment of ammonium nitrateInfo
- 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
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)
- Paints Or Removers (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (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.
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)
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)
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 |
-
1961
- 1961-03-07 DE DEN19696A patent/DE1155100B/en active Pending
-
1962
- 1962-03-06 US US177733A patent/US3171717A/en not_active Expired - Lifetime
- 1962-03-06 CH CH271362A patent/CH421062A/en unknown
- 1962-03-06 GB GB8685/62A patent/GB961733A/en not_active Expired
- 1962-03-07 DK DK106062AA patent/DK109323C/en active
Also Published As
Publication number | Publication date |
---|---|
DK109323C (en) | 1968-04-16 |
US3171717A (en) | 1965-03-02 |
DE1155100B (en) | 1963-10-03 |
CH421062A (en) | 1966-09-30 |
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