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WO/2012/009871 |
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/2012/007815 |
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/2012/006662 |
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/2012/003582 |
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/2011/161650 |
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/2011/157902 |
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/2011/157253 |
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/2011/156097 |
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/2011/147855 |
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/2011/146991 |
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/2011/143768 |
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/2011/143767 |
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/2011/143061 |
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/2011/134017 |
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/2011/135184 |
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/2011/128154 |
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/2011/128824 |
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/2011/126607 |
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/2011/114303 |
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/2011/113866 |
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/2011/106828 |
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/2011/104437 |
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/2011/099030 |
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/2011/099030 |
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/2011/100185 |
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/2011/094842 |
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/2011/096479 |
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/2011/091522 |
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/2011/088963 |
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/2011/089572 |
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/2011/085445 |
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/2011/083136 |
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/2011/069314 |
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/2011/069315 |
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/2011/067680 |
Embodiments of the present invention are directed to flotation of sulfidic materials following aerating by an oxidizing gas and contacting by a sulfoxy reagent.
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WO/2011/066705 |
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/2011/063463 |
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/2011/042494 |
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/2011/039190 |
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/2011/038452 |
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/2011/028738 |
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 ...
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WO/2011/028738 |
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 ...
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WO/2011/028131 |
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 ...
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WO/2011/026197 |
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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WO/2011/023851 |
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 ...
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WO/2011/020035 |
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...
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WO/2011/018556 |
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...
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WO/2011/018941 |
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...
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WO/2011/020035 |
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...
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WO/2011/007837 |
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...
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