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WO/2012/061897A1 |
The present invention relates to a novel approach to the use of gas bubble hydrophobic particle aggregates to give improved separation and recovery of valuable minerals from a wide range of ore types. A process for formation of gas bubbl...
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WO/2012/062194A1 |
A method of recycling and reusing waste magnesia-carbon brick, comprising the following steps: ① Pulverizing the waste magnesia-carbon brick to obtain powdered-ore. ② Pouring the powdered-ore into an agitation trough, adding water, a...
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WO/2012/059415A1 |
The invention relates to a flotation apparatus with a flotation chamber (2) having a side wall and a base (9), a stirrer (3), a sparging device (3) associated with the stirrer, a first foam-collecting device (5) arranged in an upper regi...
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WO/2012/054953A1 |
A method of beneficiation of phosphate from a phosphate ore comprising: providing an aqueous slurry of phosphate ore in particulate form for conditioning comprising at least 60% by weight solids; conditioning the aqueous slurry by contac...
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WO/2012/053915A1 |
The present invention relates to a process of gold and copper recovery from gold-containing copper ores obtained from mixed oxide-sulfide copper ore bodies by a series of flotation stages. More specifically, the present invention relates...
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WO/2012/040773A1 |
The present disclosure provides a froth flotation composition including a cycloaliphatic alcohol and a reaction product of the cycloaliphatic alcohol and propylene oxide. The froth flotation composition is especially suited for use in or...
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WO/2012/042110A1 |
The invention relates to a method of using a flotation machine that is used in metallurgical processes and to a flotation machine. The flotation machine foams hydrophobic particles from anaqueous slurry that contains these particles. The...
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WO/2012/028648A1 |
An inlet device is provided for providing a mixture of a less dense liquid component and a more dense liquid component to a separator vessel. The inlet device comprises an annular chamber and an inlet which causes the mixture to swirl ar...
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WO/2012/020577A1 |
Provided are a sludge thickening method, whereby a sufficient sludge-thickening effect can be achieved while facilitating the discharge of a thickened sludge, the sludge can be continuously thickened at a high speed, and the structure of...
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WO/2012/017422A2 |
An apparatus (10) for removing floating pollutant elements (300) from the free surface (PL) of a liquid mass (MF). The apparatus (10) is characterized in that it envisages a sliding assembly (20) whereon is mounted a floating knife (21)....
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WO/2012/016721A1 |
The invention relates to a sparging device (1) for a flotation cell, comprising a central gas tube with a central gas orifice which is adjoined by at least two connecting tubes (4a - 4d) each having a connecting gas orifice (4a' - 4d'), ...
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WO/2012/009871A1 |
A large cyclone spraying flotation column comprises a flotation column (1) which has openings for connecting the inlet pipes (11) of the ore slurry. Cyclone spraying inflators (12) are provided on the inlet pipes of the ore slurry. There...
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WO/2012/006662A1 |
The present invention relates to an apparatus for flotation of a mineral in a sample including: a vessel for housing a slurry of the sample; a bracket to which the vessel is secured in use, said bracket being mounted for reciprocating re...
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WO/2012/007815A1 |
Clarification system (1) of the flotation type for wastewater treatment comprising: at least one main tank (2) defining a vertical central axis X-X and having at least a bottom (3) and at least a lateral wall (4); at least one sludge col...
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WO/2012/003582A1 |
A system for removing hydrocarbons and other contaminants from sand and/or drill cuttings includes screening large debris from a first loading inlet hopper (101 ) to a screen covered receiving hopper (102) that may contain a chopper and ...
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WO/2011/161650A1 |
This invention relates to a froth flotation process to beneficiate uranium economically from both low grade tailings dump ores or high grade ores; by upgrading into a concentrate. The first stage is a sulphide flotation for pyrite recove...
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WO/2011/157253A2 |
The invention relates to an arrangement for separating floating solid particles and/or solid fibers from solid-liquid mixtures by means of flotation. The arrangement comprises a main process container (1), into which the solid-liquid mix...
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WO/2011/157902A1 |
The present invention relates to a method for collecting algae from an algae containing aqueous solution. The method comprises first, providing an organic coagulant to said solution and mixing the formed solution. Subsequently, an inert ...
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WO/2011/156097A2 |
A coagulant composition includes chitosan, methacryloyloxyethyltrimethyl ammonium methyl sulfate and a redox initiator. A coagulant, method for making the coagulant and clarifying wastewater is also provided.
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WO/2011/147855A2 |
The present invention relates to the use of a polymeric quaternary ester product as a collector in a froth flotation process, to a method for froth flotation utilizing the polymeric quaternary ester, to the polymeric quaternary ester as ...
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WO/2011/146991A1 |
A gravity sedimentation process for the treatment of a slurry in a thickener to separate a solid from a liquid, the thickener having, at steady-state, a hindered settling zone and a compression zone, the process including the application...
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WO/2011/143768A1 |
A method and device for in-line injecting of flocculent agent into a fluid flow of mature fine tailings (MFT). The method includes the steps of: a) providing a fluid flow of mature fine tailings to be treated along a given channel fluidl...
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WO/2011/143767A1 |
A method and device for additionally mixing mature fine tailings (MFT) with flocculating agent prior to depositing into a deposition cell. The method includes the steps of: a) receiving a fluid flow of flocculated mature fine tailings an...
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WO/2011/143061A1 |
Materials in battery and electrochemical cells are separated in a form suitable for recycling by employing froth flotation techniques. Bulk materials, such as casings, are removed from converted battery scrap and the resultant pulp is su...
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WO/2011/134017A1 |
An apparatus for inducing magnetism in a flowstream of an at least partially magnetisable particulate feed material suspended in a liquid, in use to condition the flowstream to enhance the subsequent separation process, the apparatus inc...
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WO/2011/135184A1 |
A method for recovering valuable metals, such as lead, silver and gold from the residue of an electrolytic zinc process, wherein the residue from the zinc process is suspended and sulfidized for converting the lead and silver compounds i...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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. ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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