| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 161 | Inclined static deoiler and conditioner for treating ore | US244601 | 1981-03-17 | US4344844A | 1982-08-17 | J. O. Townley |
| An inclined static deoiler and conditioner for treating ore such as coal, phosphate, and the like which combines with liquid to form a slurry prior to froth floation which includes in combination a trough having plural baffles therein which are oriented to cause turbulence in the slurry. End walls on the trough are provided having an inlet and outlet adapted to fasten to piping in which the maximum flow rate is determined by the piping diameter such that liquid entering in the trough is assured of staying substantially at or below the vertical height of the baffles. The through flow within the device is controlled by angulation of the trough which is variable, and baffle configuration. | ||||||
| 162 | Magnetic beneficiation of clays utilizing magnetic seeding and flotation | US180976 | 1980-08-25 | US4343694A | 1982-08-10 | Jerry A. Cook; Gary L. Cobb |
| A method is disclosed for separating titaniferous and ferruginous discolorants from a crude kaolin clay. A dispersed aqueous slurry of the clay is formed containing a deflocculant and a fatty acid collecting agent, and the slurry is conditioned to coat the discolorants with the collecting agent to thereby render the discolorants hydrophobic. A system of sub-micron sized magnetic ferrite seeding particles, the surfaces of which have been rendered hydrophobic, is thereupon added to the slurry. The seeded slurry is mixed to coalesce the hydrophobic-surfaced discolorants with the hydrophobic-surfaced seeding particles, and the slurry is then subjected to a froth flotation, which removes substantial quantities of the discolorants and seeding particles coalesced therewith, and also removes excess seeding particles and excess collecting agent. The flotation-beneficiated slurry is then subjected to a magnetic separation by passing the slurry through a porous ferromagnetic matrix positioned in a magnetic field, having an intensity of at least 0.5 kilogauss, to remove further quantities of the discolorants and seeding particles associated therewith, and to remove seeding particles unassociated with said discolorants. | ||||||
| 163 | Solid bowl decanter centrifuges | US63651 | 1979-08-03 | US4298160A | 1981-11-03 | Joseph F. Jackson |
| A solid bowl decanter centrifuge of the scroll discharge type comprises a solid bowl which rotates at a first speed, and a scroll conveyor which is rotated within the bowl at a second, slightly different speed for conveying separated solids to a solids discharge end of the bowl. The suspension to be centrifuges, substantially unmixed with a flocculant, is introduced by a stationary feed pipe into a feed compartment which is a radial passage in the conveyor. The feed compartment provides high turbulence and shear forces which mix and expel the suspension and flocculant into the bowl before flocs have formed. | ||||||
| 164 | Multi-phase separation methods and apparatus | US814040 | 1977-07-08 | US4294695A | 1981-10-13 | Clay D. Smith; Douglas V. Keller, Jr. |
| Multi-phase mixtures are resolved into separate phases by introducing the mixture into a body of liquid which contains a solvent for one of said phases and has a specific gravity intermediate two insoluble phases of the mixture. The latter accordingly migrate to different levels in the body of liquid and can be separately recovered therefrom. Solvent laden with the soluble phase is also separately removed from the body of liquid, and the solvent can then be stripped to isolate the soluble phase. | ||||||
| 165 | Coal beneficiation processes | US91129 | 1979-11-05 | US4252639A | 1981-02-24 | Clay D. Smith; Douglas V. Keller, Jr. |
| A method of beneficiating coal in which the coal is conditioned by agitating it in the presence of a dense halogenated hydrocarbon and a surface active agent to effect a transfer of surface water from the coal to mineral matter associated therewith and an agglomeration of the mineral matter and to envelop the coal in a film of the surface active agent. The conditioned coal is then introduced into a halogenated hydrocarbon bath having a specific gravity intermediate those of the coal and the mineral matter. The agglomerated mineral matter sinks to the bottom of the bath in the region of feedstock introduction, and the coal disperses in and migrates to the top of the bath. | ||||||
| 166 | Coal recovery processes utilizing agglomeration and density differential separations | US100091 | 1979-12-04 | US4249699A | 1981-02-10 | Clay D. Smith; Douglas V. Keller, Jr. |
| Processes for recovering coal from a particulate composite in which the composite is mechanically worked in the presence of an agglomeration promoting additive and in an aqueous carrier to effect a separation of the particles of coal in the composite from mineral matter associated therewith, a coalescence of the coal particles into product coal agglomerates, and a dispersion of the mineral matter in the aqueous carrier. The product coal agglomerates are resolved into their particulate constituents, and the latter are subjected to a density differential separation which effects a separation of that material in the agglomerates which has a relatively low mineral matter content and a high coal content from that having a higher content of mineral matter. | ||||||
| 167 | Two stage wastewater flotation | US954360 | 1978-10-25 | US4214987A | 1980-07-29 | Ogden A. Clemens |
| In a first stage, a flow of wastewater is adjusted to near zero streaming potential by injecting a mineral acid into the wastewater. The thus adjusted flow enters a basin where it is subjected to a decreasing gradient of small bubbles to form and separate off a first buoyant floc from the flow of wastewater. The flow of wastewater then passes to a second stage. In the second stage, a metal coagulant is injected into the wastewater, and the wastewater and coagulant enter a coagulation cell into which dense quantities of bubbles are supplied. Buoyant composites of particulates, coagulant and bubbles are formed in the cell. These composites leave the cell together with the wastewater flow and enter a second flotation basin where a second buoyant floc is separated off. The first and second floc combined have a higher solids content, have a lesser relative volume, and have physical properties such that valuable materials are more readily recovered therefrom than from a floc that would be formed if the wastewater were subjected to the second stage only. | ||||||
| 168 | Magnetic separation of particular mixtures | US37633573 | 1973-07-05 | US3926789A | 1975-12-16 | SHUBERT ROLAND H |
| Particulate mixtures of non-magnetic or paramagnetic materials are separated by selectively coating the surfaces of a component or components of the mixture with a magnetic fluid. Thereafter, the particulate mixture is subjected to a magnetic separation yielding a magnetic fluid-coated fraction and a non-magnetic fraction. The process is especially useful in mineral beneficiation wherein a mineral concentrate is recovered from its ore.
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| 169 | Process for the preconcentration of ores by induced measure of the superficial contents | US39874273 | 1973-09-19 | US3901793A | 1975-08-26 | BUCHOT PIERRE CHARLES; COHEN-ALLORO RICHARD; ROBERT JEAN-CLAUDE E |
| The concentration of a desired material in pieces of ore is determined by coating each piece with a fluorescent material that selectively adheres only to the exposed surfaces of the desired material. The pieces are then individually illuminated by ultraviolet radiation to fluoresce the selectively coated material. First photo-multipliers sense the magnitude of the fluorescence and a second photo-multiplier, which detects the shadow of the ore piece, yields an output proportional, after inversion, to the cross-sectional area of the ore piece. The magnitude value is then divided by the area value to indicate the concentration of the desired material in the ore piece, which may serve as a basis for automatically separating the pieces for further treatment.
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| 170 | Flotation of lithium aluminosilicate ores | US33647273 | 1973-02-28 | US3859208A | 1975-01-07 | KNOCKE LOUIS C; SMITH JR WILLIAM NOVIS |
| Mineral concentrates are obtained from aluminosilicate and alkali and alkaline earth metal aluminosilicate, phosphate and fluoride ores in a beneficiation process in which the ore is conditioned prior to flotation with a C20 to C22 saturated or unsaturated fatty acid or a mixture of C20 to C22 saturated or unsaturated fatty acids and C18 or lower fatty acids.
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| 171 | Process and apparatus for carrying out said process for the preconcentration of ores by induced measure of the superficial contents | US3795310D | 1972-03-23 | US3795310A | 1974-03-05 | JEAN CLAUDE ROBERT; BUCHOT P; COHEN ALLORO R |
| The concentration of a desired mineral in pieces of ore is determined by coating each piece with a fluorescent material that selectively adheres only to the exposed surfaces of the desired mineral. The pieces are then individually illuminated by ultraviolet radiation to fluoresce the selectively coated material. First photo-multipliers sense the magnitude of the fluorescence and a second photo-multiplier, which detects the shadow of the ore piece, yields an output proportional, after inversion, to the cross-sectional area of the ore piece. The magnitude value is then divided by the area value to indicate the concentration of the desired mineral in the ore piece, which may serve as a basis for automatically separating the pieces before further treatment.
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| 172 | Method for processing copper values | US3728430D | 1970-12-14 | US3728430A | 1973-04-17 | CLITHEROE J; LACY F |
| The steps of leaching copper values from oxide ores, mixed sulfide-oxide ores, and other oxide copper bearing materials in an aqueous medium or suspension containing soluble sulfites or bisulfites and precipitating the copper as copper sulfide in an aqueous medium or suspension containing elemental sulfur and soluble sulfites or bisulfites. The precipitated copper, along with any other copper present as elemental copper or copper sulfide, is then separated by conventional methods.
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| 173 | Concentration of spodumene using flotation | US3710934D | 1970-06-29 | US3710934A | 1973-01-16 | WYMAN R |
| A method of concentrating and recovering spodumene from an aqueous pulp or slurry by conditioning the pulp with an aliphatic primary beta-amine having from seven to 15 carbon atoms (preferably as a soluble acid salt), subjecting to flotation at a pH of about 8-10 to float off the impurities, and recovering the spodumene concentrate as residue.
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| 174 | Separation of ore particles preferentially coated with liquid fluorescent material | US41629364 | 1964-12-07 | US3356211A | 1967-12-05 | MATHEWS TED C |
| 175 | Process for the removal of carbonates from carbonate-containing ores | US76049658 | 1958-09-11 | US3025131A | 1962-03-13 | LERNER BERNARD J |
| 176 | Process of sorting dried peas | US50718855 | 1955-05-09 | US2828860A | 1958-04-01 | MORRIS HERMAN J |
| 177 | Beneficiation of beryllium ores | US58057845 | 1945-03-02 | US2395475A | 1946-02-26 | GIBBS HAROLD L; SNEDDEN HENRY D |
| 178 | Table concentration of potash ores | US38916841 | 1941-04-18 | US2289527A | 1942-07-14 | TARTARON FRANCIS X; COLE ALLEN T; DUKE JAMES B |
| 179 | Process of obtaining zinc oxide | US2211535 | 1935-05-17 | US2084716A | 1937-06-22 | DER OHE WERNER VON |
| 180 | Method of separating mucilaginous from non-mucilaginous seeds. | US16954017 | 1917-05-18 | US1279377A | 1918-09-17 | GRAY HAROLD L |
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