METHOD AND APPARATUS FOR SHAPING PARTICLES, PARTICULARLY OF EXPLOSIVES, BY ULTRASONIC CAVITATION

Method of shaping solid, particulate materials, which comprises forming a raw slurry of the starting material, in a liquid which is a partial solvent of said material, and submitting the slurry to treatment by ultrasound generators to produce therein ultrasonic vibrations which shape and grind the s...

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Bibliographische Detailangaben
Hauptverfasser:	ORLY DEKEL, TAMAR KIMMEL, TAMAR KAULLY, BENJAMIN KEREN
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY EXPLOSIVES EXPLOSIVES OR THERMIC COMPOSITIONS HUMAN NECESSITIES HYGIENE MANUFACTURE THEREOF MATCHES MEDICAL OR VETERINARY SCIENCE METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES THEIR RELEVANT APPARATUS TRANSPORTING USE OF SINGLE SUBSTANCES AS EXPLOSIVES
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Beschreibung
Zusammenfassung:	Method of shaping solid, particulate materials, which comprises forming a raw slurry of the starting material, in a liquid which is a partial solvent of said material, and submitting the slurry to treatment by ultrasound generators to produce therein ultrasonic vibrations which shape and grind the starting, particulate material to produce a shaped slurry of ground and shaped particles. The shaped particles may be separated from their slurry by removing the partial solvent by decantation and/or filtration. The partial solvent may be a liquid in which the material to be shaped has a solubility comprised between 1 and 10, wherein the solubility is expressed as grams of material that are dissolved in 100 ml of the liquid at a temperature of 20° C. The partial solvent can be chosen from among acetone, methyl ethyl ketone, and mixtures of said solvents with one another or other solvents and/or a minor amount of water, and may also be an organic solvent.