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Matches 451 - 500 out of 3,517

Document Document Title
WO/2011/128824A1
A flotation unit for purifying water, comprising at least a separator tank, a supply duct to a tank inlet, outlets for gas, oil and water from the tank, and a gas injector located in the supply duct, said gas injector comprising a ventur...  
WO/2011/128154A1
The invention relates to a gassing device (1, 1', 1'', 1''') for a flotation cell (100), comprising a vessel (2) having at least one gas inlet opening (2a) and a number of gas outlet openings (2b) for a gas (7), and a baffle plate (4), w...  
WO/2011/126607A1
A method that can be used in a portable system and apparatus to effectively and efficiently treat aqueous fluids by quickly and reliably adjusting and controlling the free residual level of disinfectants, contaminants or additives throug...  
WO/2011/114303A1
A process for separating at least one first substance from a mixture comprising this at least one first substance and at least one second substance is provided, which comprises the steps of (A) bringing the mixture comprising at least on...  
WO/2011/113866A1
The invention refers to a process to separate silicates and alkaline earth metal carbonates implementing at least one hydrophobically modified polyalkyleneimine, wherein: i)the polyalkyleneimine is hydrophobically modified by replacement...  
WO/2011/106828A1
A rotor for use in a slurry separation flotation cell having a tank within which the rotor is contained. The rotor has a shaft that has a conduit adapted to communicate a fluid, preferably a gas such as air, therethrough. The rotor also ...  
WO/2011/067680A3
Embodiments of the present invention are directed to flotation of sulfidic materials following aerating by an oxidizing gas and contacting by a sulfoxy reagent.  
WO/2011/104437A1
The flotation machine includes a flotation cell (1), which comprises a vertical side wall (2) and a bottom (3), and which is upwards open. An air distribution and mixing device (4) is arranged in the vicinity of the bottom for distributi...  
WO/2011/100185A1
A flocculant composition that includes a blend of a first water-in-oil emulsion having a silicon-containing polymer in its aqueous phase and a second water-in-oil emulsion having an anionic polymer in its aqueous phase. The silicon-conta...  
WO/2011/099030A1
The invention relates to a process for producing high purity Fe2O3 for value- added applications including blast furnace feed from a poor-grade iron ore slime, comprising the steps of separating through a non-selective dispersion of iron...  
WO/2011/094842A1
A flotation cell and a method of froth flotation. The flotation cell comprises a first vessel portion and a second vessel portion. The first vessel portion has a feed slurry input, an agitator and a gas input located in or operatively co...  
WO/2011/096479A1
A method for separating arsenic mineral from a copper material having a high arsenic content, which comprises pulverizing the copper material containing arsenic, adding water thereto to form a slurry and then adding to the slurry a flota...  
WO/2011/091522A1
The present disclosure relates to a process for collecting a particulate material from a mixture comprising treating the mixture with hydrophobic nanoparticles under conditions to adsorb the hydrophobic nanoparticles to the particulate m...  
WO/2011/088963A1
The present invention relates to a flotation reagent for iron ores containing magnetite and/or haematite and to the use of a composition containing A) at least one amine alkoxylate ester of formula (I) or a salt thereof, wherein A and B,...  
WO/2011/089572A1
The invention relates to a multifunctional flotation agent having collection and frothing functions, for a froth flotation method for the recovery of commercially valuable metals from minerals, said agent consisting of organic residues s...  
WO/2011/085445A1
New collectors and methods of using the new collectors in froth flotation processes for the recovery of metals and metal oxides from raw materials. The new collectors are acidic compounds being polycarboxylic acids or salts thereof or ph...  
WO/2011/083136A1
A flotation process for recovering feldspar from a feldspar containing feed material, comprising the following steps: (1 ) forming an aqueous suspension of a feldspar containing feed material, in the absence of hydrofluoric acid, wherein...  
WO/2011/028738A3
The method relates to particle separation from a feed stream. The feed stream is injected directly into the froth zone of a vertical flotation column in the presence of a counter-current reflux stream. A froth breaker generates a reflux ...  
WO/2011/069314A1
An air distributor for flotation machine has a cylindrical structure whose upper edge is provided with a flange. The side wall of the cylindrical air distributor comprises several holes which are in circular, oval or semicircular shape. ...  
WO/2011/069315A1
A flotator impeller includes an annular disk-shaped skeleton tray (2) and double-obconical blades (3). The skeleton tray (2) dents upwards so as to form a saddle-shaped cutting plane. The annular surface of the tray is provided with rect...  
WO/2011/066705A1
A stator of direct-suspension type flotation machine includes a steel plate ring (1) and several blades (2) which are arranged on the steel plate ring (1). Several holes are equally arranged in the steel plate ring (1) along circumferent...  
WO/2011/063463A1
Cutting wash apparatus includes a wash tank (11) having side walls (15) converging to an inclined lower floor (16) and containing an air agitated wash solution including a surfactant. A cyclone separator (27) receives an oil-based mud an...  
WO/2009/037594A3
The present invention is directed to flotation of refractory gold sulfide ores in which the ore is ground, floated, the tailings reground, and refloated to produce gold- bearing concentrates.  
WO/2009/037596A3
The present invention is directed to a precious metal recovery process in which carbonaceous material, such as preg robbing carbon, is floated after sulfide oxidation to separate the carbonaceous material from the precious metal.  
WO/2011/042494A1
A dissolved gas flotation pressure reduction nozzle (60) comprises : an integrally moulded plastics component (61) comprising a discharge spout (62), an impingement plate (64) and one or more fins (66) extending from the impingement plat...  
WO/2011/039190A1
The invention relates to a device for dispersing a suspension with at least one gas, comprising a dispersion nozzle, which, viewed in the flow direction of the suspension, successively comprises - a suspension nozzle tapering in the flow...  
WO/2011/020035A3
The present teachings provide, in part, methods of separating two-dimensional nanomaterials by atomic layer thickness. In certain embodiments, the present teachings provide methods of generating graphene nanomaterials having a controlled...  
WO/2011/038452A1
A liquid treatment system using gas flotation to separate suspended matter from liquid influent, including a flotation tank into which the liquid influent is fed through an inlet, an outlet conduit through which treated effluent is fed f...  
WO/2011/026197A1
The present invention relates to an apparatus and method for the treatment of water and, in particular, an apparatus and method which may be applied to fluids such as grey water to be treated prior to discharge. The invention is intended...  
WO/2011/028738A2
The method relates to particle separation from a feed stream. The feed stream is injected directly into the froth zone of a vertical flotation column in the presence of a counter-current reflux stream. A froth breaker generates a reflux ...  
WO/2011/028131A1
This invention relates to a device and method for regenerating mono ethylene glycol (MEG) after use as hydrate inhibiting agent in production lines of gas- and oil fields, where the method comprises subjecting the process fluid from the ...  
WO/2011/023851A1
A method and apparatus for the purification of wastewater. The hydrostatic pressure of wastewater present in a tank (14) is used for passing wastewater across an electrolytic cell submerged in the tank. The cell element equipped with an ...  
WO/2011/018941A1
Disclosed is a deinking device which is provided with a bubble generator (47) that generates air bubbles (48) from a lower part of a treatment tank (46). The bubble generator (47) comprises a porous object disposed in the lower part of t...  
WO/2011/020035A2
The present teachings provide, in part, methods of separating two-dimensional nanomaterials by atomic layer thickness. In certain embodiments, the present teachings provide methods of generating graphene nanomaterials having a controlled...  
WO/2011/018556A1
A method and apparatus for the purification of hydrogen sulfide-containing aqueous solutions. The aqueous solution to be purified is passed across at least two electrolytic cell elements (2, 3, 4), at least one of such cell elements empl...  
WO/2011/007837A1
A liquid to be treated having particles of an object to be treated dispersed therein is accommodated in a treatment tank (10) provided with a bottom section (10g) which narrows in the downward direction. The liquid to be treated is remov...  
WO/2010/149401A1
The invention relates to a pneumatic flotation machine (100), comprising a housing (1) with a flotation chamber (3), at least one nozzle arrangement (4) for feeding gas and a suspension into the flotation chamber as well as at least one ...  
WO/2010/146596A1
A process for producing high grade blast furnace feed from poor grade iron ore ultra fines consists of processing ultra fines by selective dispersion to separate gangue materials from settled material iron and processing settled material...  
WO/2010/011552A8
Methods of enhancing recovery of value sulfide or precious minerals from an ore containing Mg-silicate, slime forming minerals, and/or clay by crushing the ore, grinding the ore, and subjecting the ground ore to a flotation process, in c...  
WO/2010/142844A1
In a froth flotation method and apparatus an upwardly open circular trough (4) having outlets (5) on the outer periphery of the trough is arranged horizontally above the froth phase (F) so that the trough is coaxial with the flotation ve...  
WO/2010/078274A3
The present disclosure generally relates to methods for recovering silicon from saw kerf, or an exhausted abrasive slurry, resulting from the cutting of a silicon ingot, such as a single crystal or polycrystalline silicon ingot. More par...  
WO/2010/135760A1
A method of separating mixed particles in a flotation cell (1) uses a fluidization zone (22) within the cell where particles are fluidized in a quiescent zone by liquid moving upwardly through the fluidization zone (22). The fluidizing l...  
WO/2010/011552A3
Methods of enhancing recovery of value sulfide or precious minerals from an ore containing Mg-silicate, slime forming minerals, and/or clay by crushing the ore, grinding the ore, and subjecting the ground ore to a flotation process, in c...  
WO/2010/016907A3
The present teachings provide methods for sorting nanotubes particularly DWCNTs, according to their wall number, and optionally further in terms of their diameter, electronic type, and/or chirality by density gradient centrifugation. Als...  
WO/2010/109191A1
The invention relates to a method for increasing the concentration of platinum group metals in urban waste material. The method comprises obtaining particles of urban waste material; screening the particles of urban waste material by siz...  
WO/2009/086606A8
The present invention provides a method of separating nickel bearing sulphides from mined ores or concentrates of mined ores that contain talc particles is disclosed. The method comprises adjusting the Eh of a slurry of mined ores or con...  
WO/2010/097165A1
The invention relates to a method for separating insoluble components from sylvinite, wherein the sylvinite is suspended in a saturated salt brine, a coagulating agent is added to the suspension, and a foaming agent is then added to the ...  
WO/2010/097166A1
The invention relates to a method for separating insoluble components of sylvinite, in that the sylvinite is suspended in saturated salt solution, a coagulating agent is added to the suspension, and a foaming agent comprising a hydrocarb...  
WO/2009/086607A8
A method of separating nickel bearing sulphides from mined ores or concentrates of mined ores that contain talc is disclosed. The method comprises treating a slurry of mined ores or concentrates of mined ores in at least one flotation st...  
WO/2010/069670A3
The invention relates to a method for removing solids from an aqueous fiber suspension (S) by means of gas bubbles (4), in particular from a waste paper suspension, wherein gas (6) is introduced into the fibre suspension (S) in at least ...  

Matches 451 - 500 out of 3,517