B02C19/18

JET-MILLING APPARATUS AND METHOD FOR JET-MILLING
20230077044 · 2023-03-09 ·

A jet milling apparatus comprises a milling chamber having one inlet for a product to be milled and outlets for a milled end product having physical properties with respective values falling inside respective ranges, nozzles for issuing respective jets of a milling fluid having predetermined operative parameters into said milling chamber for intercepting the product to be milled and forming a fluidized material inside for drying, selecting, milling, sterilizing, clustering the product, electromagnetic field emitters designed to generate an electromagnetic field with predetermined frequencies and to orient it inside said milling chamber, monitoring devices placed at the outlets for controlling in real time the physical properties of the milled end product before exit and designed to drive the nozzles and the electromagnetic field emitters to vary and adjust the operative parameters of the jets of the milling fluid and the frequency of the electromagnetic field.

High-speed dewatering and pulverizing turbine

The present invention relates to a high-speed dewatering and pulverizing turbine (1) for obtaining solid pulverized particles and dissociating the water present, which is formed by: a) a stator (6) having circular geometry with a duct at one end (7) for the outlet of the solid pulverized particles and a duct in the bottom part (10) for the inlet of solid particles to be pulverized; b) a wheel or rotor with vanes or blades, located inside the stator; and c) a central securing assembly for adjusting and securing all the elements that form the wheel or rotor. Also described is a method for obtaining solid pulverized and dewatered particles, wherein the water present is separated.

GANGUE REJECTION FROM ORES
20220325374 · 2022-10-13 ·

A process for recovering value metals from ore comprising rock, including the steps of preselection of a grade of ore to be microwaved to form an ore stream; subjecting the ore stream to microwave energy to partially fracture rocks in the stream and form a partially fractured ore stream; crushing the partially fractured ore stream to preferentially fracture the pre-weakened ore, to form a crushed ore stream; and Screening the crushed ore stream to form a fines fraction ore stream for further processing; and a gangue fraction that may justify further processing.

DISAGGREGATION OF NANODIAMOND PARTICLES

Methods for disaggregating nanodiamond clusters, for example, by using sonication to break apart nanodiamond aggregates in an aqueous slurry having an alkaline pH. Compositions, such as aqueous nanodiamond dispersions and dry particulate compositions can be produced using these methods.

Integrated separator system and process for preconcentration and pretreatment of a material

The invention provides an integrated separator system for the preconcentration of a material comprising one or more grizzly bars and one or more electrodes which provide a high voltage pulse (HVP) discharge to the material. The invention also provides a process for preconcentration of a material preferably a mineral within a rock which comprises: providing the material into an integrated separator system comprising one or more grizzly bars and one or more electrodes which are capable of providing at least one high voltage pulse discharge(s) to the material; applying one or more high voltage pulse discharge(s) to the material as the material is travelling along the grizzly bar(s) to preferentially disintegrate the particles containing mineral grains of high conductivity/permittivity; separating the disintegrated particles by way of the grizzly bar(s) resulting in the separation of the feed material into low grade (oversize) and high grade (undersize) products; and wherein the disintegrated particles from step b) pass through a screening element for further treatment. The present invention also relates to a process for comminution of a material.

Integrated separator system and process for preconcentration and pretreatment of a material

The invention provides an integrated separator system for the preconcentration of a material comprising one or more grizzly bars and one or more electrodes which provide a high voltage pulse (HVP) discharge to the material. The invention also provides a process for preconcentration of a material preferably a mineral within a rock which comprises: providing the material into an integrated separator system comprising one or more grizzly bars and one or more electrodes which are capable of providing at least one high voltage pulse discharge(s) to the material; applying one or more high voltage pulse discharge(s) to the material as the material is travelling along the grizzly bar(s) to preferentially disintegrate the particles containing mineral grains of high conductivity/permittivity; separating the disintegrated particles by way of the grizzly bar(s) resulting in the separation of the feed material into low grade (oversize) and high grade (undersize) products; and wherein the disintegrated particles from step b) pass through a screening element for further treatment. The present invention also relates to a process for comminution of a material.

ELECTRIC PULSE DECOMPOSITION METHOD, COMPOSITE MATERIAL, AND COMPOSITE MATERIAL DECOMPOSITION METHOD

An electric pulse decomposition method for separating a composite material by an electric pulse, the composite material being obtained by bonding or joining a plurality of conductors to each other with an insulating member, the electric pulse decomposition method including a protrusion formation step for forming a protrusion in a specific site, on a side on which the composite material is arranged, of at least one of the plurality of conductors, and a separation step for separating the plurality of conductors in the composite material 1 by respectively bringing electrodes into contact with surfaces of the plurality of conductors and applying an electric pulse between the electrodes to destroy the insulating member. This makes it possible to separate the plurality of conductors from the composite material by making a shock wave caused by a current of the dielectric breakdown functioning as an adhesive to effectively destroy the insulating member.

ELECTRIC PULSE DECOMPOSITION METHOD, COMPOSITE MATERIAL, AND COMPOSITE MATERIAL DECOMPOSITION METHOD

An electric pulse decomposition method for separating a composite material by an electric pulse, the composite material being obtained by bonding or joining a plurality of conductors to each other with an insulating member, the electric pulse decomposition method including a protrusion formation step for forming a protrusion in a specific site, on a side on which the composite material is arranged, of at least one of the plurality of conductors, and a separation step for separating the plurality of conductors in the composite material 1 by respectively bringing electrodes into contact with surfaces of the plurality of conductors and applying an electric pulse between the electrodes to destroy the insulating member. This makes it possible to separate the plurality of conductors from the composite material by making a shock wave caused by a current of the dielectric breakdown functioning as an adhesive to effectively destroy the insulating member.

METHOD FOR PRODUCING PARTICLES AND APPARATUS FOR PRODUCING PARTICLES

The purpose of the present invention is to provide a method for producing particles and an apparatus for producing particles, wherein fine particles can be more conveniently obtained compared to conventional top-down methods for generating fine particles, and spherical fine particles can be obtained like bottom-up methods for generating fine particles. An aspect of the present invention pertains to a method for producing particles, the method comprising: a step for mixing a substance containing a metal and/or a semi-metal with an explosive; a step for burning the explosive to cause a combustion reaction of the substance; and a step for capturing particles in a combustion gas obtained in the combustion reaction step.

METHOD FOR PRODUCING PARTICLES AND APPARATUS FOR PRODUCING PARTICLES

The purpose of the present invention is to provide a method for producing particles and an apparatus for producing particles, wherein fine particles can be more conveniently obtained compared to conventional top-down methods for generating fine particles, and spherical fine particles can be obtained like bottom-up methods for generating fine particles. An aspect of the present invention pertains to a method for producing particles, the method comprising: a step for mixing a substance containing a metal and/or a semi-metal with an explosive; a step for burning the explosive to cause a combustion reaction of the substance; and a step for capturing particles in a combustion gas obtained in the combustion reaction step.