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WO/2013/043361A1 |
An improved induced-gas separation vessel made according to this invention and method for its use includes an elongated, horizontally oriented vessel having compartments defined by adjacent pairs of perforated baffles which span the widt...
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WO/2013/041343A1 |
The invention relates to a dispersion nozzle (1,1') for dispersing a liquid (6), in particular a suspension (6'), also having at least one gas (7), said nozzle comprising a gas feed nozzle (2) and a tubular mixing arrangement (3) which h...
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WO/2013/038192A1 |
According to the invention there is provided a method of processing a mixture of minerals including the steps of: (a) providing a mixture of minerals which includes a metal containing mineral and one or more unwanted gangue minerals; (b)...
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WO/2013/024198A1 |
The present invention relates to interface level measurements in a tank or container comprising different material layers and especially to flotation processes which are especially applied in mineral industry. The method according to the...
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WO/2013/020271A1 |
A flotation method for splitting tailings comprises: disposing a spiral channel (2) on an inner wall surface of a flotation chamber (6), so that the tailings are split to the spiral channel (2) and enriches the spiral channel (2) after e...
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WO/2013/021244A1 |
The present invention relates to a methodology to measure floatability of sulphide minerals in froth flotation plants based on density of collector adsorption on different mineral phases on mineral electrodes (2) using three electrode (2...
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WO/2012/176019A1 |
This invention is related to a methodology to determine flotation performance of sulphide ores. The objective of this invention is to develop a quantitative measure of surface oxidation to estimate flotation behavior of sulphide ores. 10...
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WO/2012/171784A1 |
The invention relates to a system (1, 1', 1'') and a method for monitoring a condition of at least one nozzle (2) for spraying a two- or three-phase mixture (3, 3'). Associated with the nozzle (2) are at least one structure-borne sound s...
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WO/2012/173661A1 |
A method and apparatus in accordance with the present invention comprising a decomposable compound such as hydrogen peroxide as a primary additive to generate bubbles within a fluid medium such as an aqueous slurry of tar sands. The size...
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WO/2012/171316A1 |
Provided is a system for preparing active carbon from fly ash, which comprises a flotation system and a carbonization system, wherein the flotation system comprises at least one flotation device, and the carbonization system comprises a ...
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WO/2012/167654A1 |
A total cross-section pneumatic flotation machine comprises: a flotation cell (2) and a foam overflow mechanism mounted on the top of the flotation cell (2). An ore pulp inlet (21) and an ore pulp outlet (22) are disposed on a cell body ...
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WO/2012/167592A1 |
Disclosed are a turbulent flotation process for powdery coal ashes and flotation equipment. The flotation process comprises the steps of: ① adding a flotation agent and/or collecting agent into the powdery coal ashes, to form a mixed m...
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WO/2012/168084A1 |
The invention relates to a method for obtaining metal-containing valuable substances from a suspension that contains metal-containing valuable substances. A corresponding suspension which is pressurized after passing through at least one...
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WO/2012/165560A1 |
A classification device for classifying particles dispersed in a slurry, using the difference in precipitation speed, and a blast machining device provided with this device are provided. The classification device is provided with a casin...
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WO/2012/162612A1 |
A synthetic bead for use in mineral separation is described. The synthetic bead has a surface made of a synthetic material such as polymer and the synthetic material is functionalized with molecules having a functional group for attachin...
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WO/2012/160348A1 |
A method of controlling operation of a froth flotation cell comprises introducing gas into a liquid in the cell, thereby to create a froth on the surface of the liquid, which froth overflows and leaves the cell at an overflow point, wher...
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WO/2012/155263A1 |
A method for pre-treating bitumen froth for mixing with solvent for froth treatment includes heating the froth to a froth-solvent mixing temperature below the solvent flash temperature and suitably high to provide reduced bitumen viscosi...
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WO/2012/153245A1 |
The invention relates to a rapid flotation device, in particular using dissolved air, for treating water laden with suspended matter (MES). The device comprises a mixing area (B) separated from a flotation area (C) by a wall (n) above wh...
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WO/2012/139986A2 |
The invention relates to a process for enriching an iron mineral from a silicate containing iron ore by inverse flotation comprising the addition of a collector or collector composition comprising at least one of the compounds of formula...
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WO/2012/139985A2 |
Compounds of the formulae: RO-X-NH2 (Ia); RO-X-NH3 + Y- (Ib); RO-X-NH-Z-NH2 (IIa); and RO-X-NH-Z-NH3 + Y- (IIb), in which X is an aliphatic alkylene group containing 2 to 6 carbon atoms; Z is an aliphatic alkylene group containing 2 to 6...
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WO/2012/139939A1 |
The invention concerns a process for enriching an iron mineral from a silicate containing iron ore by inverse flotation comprising the addition of a collector or collector composition comprising at least one of the compounds of formulae ...
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WO/2012/139216A1 |
A system and process for recovering heat from a bitumen froth treatment plant use a sealed closed-loop heat transfer circuit. The system has a heat removal exchanger associated with the plant and receiving hot froth treatment process str...
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WO/2012/137359A1 |
The present invention enables a high-grade concentrate in which titanium dioxide has been highly concentrated to be inexpensively produced from a low-grade titanium dioxide ore. A powdery titanium dioxide ore is subjected to reverse flot...
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WO/2012/126114A1 |
In the field of oil sands processing, a process recovers asphaltenes from an tailings underflow stream of a tailings solvent recovery unit associated with a paraffinic froth treatment (PFT) operation. The process includes the steps of su...
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WO/2012/129127A1 |
Bicarbonate conversion assisted reverse-osmosis (RO) treatment systems for treatment of contaminated water, particularly natural gas flowback water. The systems and processes provide for simultaneous conversion of the primary salt in gas...
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WO/2012/126959A1 |
This method comprises bringing drops to be separated into contact with an interface (40) suitable for allowing an osmotic equilibrium between the content of each drop to be separated. The method comprises an osmotic flow between the drop...
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WO/2012/128833A1 |
Apparatuses and methods are described for the discrimination of particles using sedimentation field-flow fractionation operating without the use of rotating seals. Multiple lines of fluid and electrical communication are provided through...
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WO/2012/123258A1 |
The invention relates to a flotation device (1) and to the use thereof, comprising a housing (2) having a flotation chamber (2a) for receiving a suspension and at least one inlet for the suspension (5a), and at least one foam collecting ...
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WO/2012/122646A1 |
Pre-treatment techniques for pre-treating aqueous suspensions including fine solid particles include coarse debris removal prior to a chemical treatment operation. The suspension may include or be mining tailings, which may include matur...
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WO/2012/116848A1 |
The invention relates to a flotation device for separating off a valuable mineral from a suspension, comprising a housing having a flotation chamber, at least one foam collector for removing a foam product formed in an upper region of th...
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WO/2012/110745A1 |
The invention relates to a novel surfactant of general formula (I): Z-Azo-X-R, where: Azo is the azobenzene group having a cis or trans configuration; Z is a phenyl group, a saturated or unsaturated, straight or branched alkyl chain comp...
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WO/2012/102403A1 |
There is provided a method for separating liquid from a solid-liquid mixture containing solid particles and liquid. The method is characterized in that it comprises a classification step of subjecting the solid-liquid mixture to wet clas...
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WO/2012/100336A1 |
A process for regionalization of mining bitumen-containing oil sands ore for extraction and conversion to produce dry bitumen comprises operating multiple separate oil sands ore mining and extraction facilities or in situ thermal recover...
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WO/2012/089503A1 |
In a process for control of a floatation process, especially of a floatation process in the processing of ores, a pulp which comprises solids and is supplied to at least one floatation cell is subjected during the performance of the floa...
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WO/2012/089651A1 |
The present invention relates to a process for enriching an iron mineral from a silicate-containing iron ore by reverse froth flotation of the ore using a collecting composition comprising: a) a compound of formula R1O-A-NH(CH2)nNH2 (I),...
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WO/2012/090167A2 |
A flotation machine for extracting floatable minerals from a slurry by simultaneously agitating and aerating the material while continuously diluting the slurry in the area of the machine where it is being agitated.
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WO/2012/087283A1 |
Techniques are generally described herein for the removal of sodium tripolyphosphate from a waste liquid. Embodiments include, but are not limited to, methods, apparatuses, systems, and articles of manufacture. Other embodiments may also...
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WO/2012/079283A1 |
Disclosed are a mineral-dressing agent for noble metals and preparation method thereof. The method comprises introducing mixed potassium ferrocyanide and urea into a reactor, adding pH adjusting agent while being subjected to slow heatin...
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WO/2012/075320A1 |
A blend comprising from 1 to 99 weight percent one or more polypropylene glycols wherein each polypropylene glycol has a weight average molecular weight of greater than or equal to 1000 grams/mole and from 1 to 99 weight percent one or m...
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WO/2012/071627A1 |
This invention relates to a flotation gas flow controller for controlling a flow of a flotation gas to a flotation cell that separates valuable minerals from other materials in crushed ore. The gas flow controller includes a valve for co...
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WO/2012/075481A1 |
Systems and methods are provided for separating high value by-products, such as oil and/or germ, from grains used for alcohol production. In one embodiment, a method for separating by-products from grains used for alcohol production incl...
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WO/2012/071672A1 |
A method of treating produced water containing hydrocarbons includes introducing microbubbles of a lift gas into the produced water in a separation stage to float oil to a surface of the produced water. The top layer of oil is removed fr...
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WO/2012/066348A1 |
The invention provides a method of controlling operation of a froth flotation cell, the method comprising: introducing gas into a liquid in the cell, thereby to create a froth on the surface of the liquid, the froth having a depth from t...
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WO/2012/065221A1 |
A method of controlling a froth flotation cell in a froth flotation circuit for separating substances comprises periodically carrying out a control routine to maximise froth stability during the operation of the cell. The control routine...
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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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