子分类：
| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 241 | Process for separating porous materials from less porous materials | US658627 | 1984-10-09 | US4591431A | 1986-05-27 | Rabindra K. Sinha |
| A process for separating porous components from non-porous components of a mixture of granular materials comprising the steps of:(a) contacting the mixture of the porous and non-porous materials with a gas capable of adsorbing in the pores of the porous component;(b) discharging the so charged or loaded mixture into a liquid in which the adsorbed gas is allowed to desorb from the porous componet, the viscosity and surface tension of the liquid being chosen so that the desorbed gas remains attached to the porous component with the specific gravity of the liquid chosen to separate the so desorbed porous component from the nonporous component; and(c) separating the floating materials from those of sinking materials in the liquid of Step (b). | ||||||
| 242 | Flotation process for the continuous recovery of silver or silver compounds from solutions or dispersions | US721125 | 1985-04-08 | US4585561A | 1986-04-29 | Marko Zlokarnik; Georg Schindler; Gunther Koepke; Werner Stracke |
| A flotation process for the continuous recovery of silver or silver compounds from solutions or dispersions is described, wherein finely divided, inert gas bubbles are injected into the dispersions of silver and silver compounds in the presence of protein and the pH of the medium is maintained at the isoelectric point of the protein. Addition of a surface active agent accelerates the process. The desilverized effluent has a silver content of less than 1 mg of Ag/l. The quantity of flotate (12) is less than 2% of the quantity of effluent (5) put into the process. | ||||||
| 243 | Apparatus for beneficiating coal | US599204 | 1984-04-12 | US4536372A | 1985-08-20 | Lester E. Burgess; Karl M. Fox; Phillip E. McGarry; David E. Herman |
| Mine run coal is pulverized and the extended surfaces of the coal particles are rendered hydrophobic and oilophilic by a chemical bonding and graft polymerization reaction with a water unsoluble organic polymerizable monomer under peroxidation influence in a predominantly water reaction medium.The mineral ash present in the coal and particularly the iron pyrites remains hydrophilic and is separated from the polymeric organic surface bonded coal product in a water washing step wherein the washed coal floats on and is recovered from the water phase and the ash is removed with the separated wash water in a critical wash step.Excess water is removed from the beneficiated hydrophobic surface-altered coal product mechanically. The hydrophobic and oilophilic organic polymeric surface bonded coating about the coal particles is fortified by inclusion of additional unbound free fatty acids by further small additions thereof. The carboxylic acid groups present in the coal-oil product are thereafter converted to a metal soap.The beneficiated coal product can be used "dry", or additional quantities of a liquid hydrocarbon fuel can be incorporated with the "dry" beneficiated coal product to produce a flowable fluid or liquid coal product having the rheological property of marked thixotropy. Introduction of this physically induced property into the liquid coal-oil-mixture prevents settling out of the heavier coal particles from the relatively ash-free fluid fuel composition under extended storage periods. | ||||||
| 244 | CRT Method of converting and separating substances contained, dissolved or dissolvable in a carrier liquid | US246933 | 1981-03-24 | US4436624A | 1984-03-13 | Eberhard Kreuzburg; Dietrich J. Von Der Pahle; Rolf Monsheimer; Ernst Pfleiderer; Tilman Taeger |
| A method and a device for converting and separating substances dissolved in a carrier fluid, more particularly proteides or proteins, by adding and mixing with an agent, e.g. enzymes, which brings about the chemical reaction or the build-up or breakdown of the molecules of the substances and causes them to precipitate. In addition these substances are mixed and come to an accelerated reaction with the agent in at least one circuit flow through a jet immersion reactor while a gas is supplied intensively thereto before froth flotation of the precipitated substances is carried out after adding means assisting flotation. | ||||||
| 245 | Oil concentrator | US368648 | 1982-04-15 | US4422931A | 1983-12-27 | Girma Wolde-Michael |
| In an apparatus for efficiently and thoroughly cleaning tramp oil and contaminants from machine coolant; a tank 12 having three compartments 32, 52 and 66 with a quietener baffle 58 located between the first compartment 32 and the main compartment 52, a torturous path between the main compartment 52 and the clean coolant storage compartment 66, and an agglomeration baffle 76 between the main and storage compartments 52, 66, respectively, is provided. Further, the flow quietener baffle 76 is arranged within the tank 12 so that material flowing from the first compartment 32 to the main compartment 52 will flow generally down the quietener baffle 58 and arrive in the main compartment 52, substantially at the level of the interface 46 between the floating light material 42 and the heavy material 44 with a minimum of disturbance to interface 46. Rapid and complete floatation of oily material containing heavy contaminants is achieved by the addition of aeration bubbles 62 within the first compartment 32. | ||||||
| 246 | Beneficiated coal, coal mixtures and processes for the production thereof | US267773 | 1981-05-28 | US4412843A | 1983-11-01 | Lester E. Burgess; Karl M. Fox; Phillip E. McGarry |
| A process for the production of beneficiated coal and coal slurries having low ash, and sulfur involving admixing coal in an aqueous medium with a surface treating admixture comprising a polymerizable monomer, polymerization catalyst and a liquid organic carrier thereby rendering said coal highly hydrophobic and oleophilic. The resultant beneficiated coal product is formed into coal slurries, such as coal-oil mixtures. | ||||||
| 247 | Method and apparatus for segregating and separately recovering solids of different densities | US265066 | 1981-05-19 | US4375264A | 1983-03-01 | Herschel F. Porter |
| A method and apparatus is provided for segregating and separately recovering fractions of a mixture of low density solids and high density solids, such as mixtures of clam shells and free detached clam meat. The mixture of solids is submerged in a laminar flowing stream of liquid which has a specific gravity about the same as that of the low density solids and such that the low density solids are substantially non-buoyant in the liquid. The bottom of the laminar flowing stream of liquid is defined in part by an upper foraminous conveyor surface which is moving in the same direction as the laminar flowing stream. The mixture of solids is flowed across a turbulent zone of rising air bubbles, and low density solids are removed from the top of the liquid and high density solids are removed from the bottom of the laminar flowing stream. Advantageous apparatus embodiments are provided for conducting the method. | ||||||
| 248 | Method of constructing a continuously operable flotation concentration plant | US858353 | 1977-12-07 | US4133038A | 1979-01-02 | Antti Niemi |
| A new method of effecting flotation of mineral grains on a laboratory scale is provided, wherein a mineral sample of uniform grain size and uniform mineral composition is conditioned to produce a definite degree of adsorption and then subjected to flotation. The floating mineral grains are separated at time intervals to let the flotation rate coefficient to be determined. On the basis of this procedure a method of constructing a continuously operable flotation concentration plant was developed. This method comprises repeating the laboratory scale flotation a plurality of times using a different degree of adsoprtion in each case, which enables the relationship between the degree of adsorption and the flotation rate coefficient to be determined. Thereafter the same procedure is repeated so that all the different grain sizes and mineral compositions present in the material to be handled are covered. The resulting relationships are then used in a simulation procedure, where the distribution of the material in a continuous flotation concentration process is determined, and finally the concentration plant is constructed in accordance with this determination. Furthermore, a similar scheme may be used to control the distribution of the material in a existing flotation concentration plant. | ||||||
| 249 | Determination of mineral concentrations in slurries thereof | US729862 | 1976-10-05 | US4090073A | 1978-05-16 | Johan P. R. De Villiers; George T. W. Ormrod |
| A method of x-ray diffraction determination of the concentration of predetermined minerals in slurries comprises presenting a sample in the form of a stream of slurry having areas of two opposing sides thereof unsupported by any boundary walls therefor, and making required determinations through the unsupported areas of the stream of slurry using x-radiation of a suitable wavelength. | ||||||
| 250 | Installations for the purification of liquids | US3433359D | 1968-01-18 | US3433359A | 1969-03-18 | LUNDIN ERIC GUSTAF; RUBIN ERNST ARNE |
| 251 | Process for separating talc and asbestos | US24702651 | 1951-09-17 | US2748935A | 1956-06-05 | KARL RESCHENEDER |
| 252 | Process for separating minerals | US12810049 | 1949-11-18 | US2686592A | 1954-08-17 | MILLER HUGO S |
| 253 | Film flotation | US31109339 | 1939-12-27 | US2293469A | 1942-08-18 | MAUST ERNEST J; HOLLINGSWORTH CLINTON A |
| 254 | Apparatus for mechanically separating mineral mixtures | US22184338 | 1938-07-28 | US2291447A | 1942-07-28 | ERNST BIERBRAUER |
| 255 | Method of mechanically separating mineral mixtures | US16522037 | 1937-09-22 | US2189698A | 1940-02-06 | ERNST BIERBRAUER |
| 256 | Concentration of nonmetallic minerals | US5393235 | 1935-12-11 | US2105827A | 1938-01-18 | TARTARON FRANCIS X |
| 257 | Process of obtaining zinc oxide | US2211535 | 1935-05-17 | US2084716A | 1937-06-22 | DER OHE WERNER VON |
| 258 | Ore concentrating machine | US75078734 | 1934-10-31 | US2047773A | 1936-07-14 | GREENE ERNEST W; WILBUR ROBERT M |
| 259 | Mineral concentration | US56425131 | 1931-09-21 | US1996035A | 1935-03-26 | SINGLETON JAMES T |
| 260 | Mineral concentration | US56425231 | 1931-09-21 | US1996021A | 1935-03-26 | SIMON KLESKY |
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