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Matches 501 - 550 out of 2,966

Document Document Title
WO/2015/068096A1
A froth flotation cell comprises an overflow point at which, in use, froth generated in the froth flotation cell overflows to leave the cell, the overflow point defining the overflow level of the froth flotation cell, and a lid at or abo...  
WO/2015/063073A1
The present invention relates to a process for separating one or more ions from a surfactant with which it (they) form(s) a surfactant-ions pair, this surfactant-ions pair being in aqueous solution. The process comprises: (a) a step of d...  
WO/2015/059360A1
The invention relates to a stator of a gas dispersion mechanism to be used in a froth flotation tank. The stator comprises an annular top plate having an inner circumference suitable for housing a rotating rotor, an annular array compris...  
WO/2015/056159A1
Liquid treatment apparatus comprises at least two chambers being first and second chambers through which a fluid can flow. The two chambers are separated by at least one choke nozzle which has an entrance in the first chamber and an exit...  
WO/2015/057246A1
A separation system is presented that partitions a slurry containing a plurality of particles that are influenced by a fluidization flow (which comprises teeter water and gas bubbles) and a fluidized bed. The separation system comprises ...  
WO/2015/052036A1
The present invention relates to a device and a process for purification of grey water. In particular the invention relates to in-home purification of grey water generated from laundry wash and/or rinse liquor for water saving by re-use....  
WO/2015/054381A1
Collector compositions and methods for making and using same to purify one or more crude materials are provided. The collector composition can include one or more amidoamines having the chemical Formula I and one or more amines having th...  
WO/2015/052053A1
The invention relates to a flotation apparatus (10) for separating solid particles (12) from a liquid (14) by means of flotation, having: - at least one flotation cell (16) for accommodating the liquid (14) with the solid particles (12) ...  
WO/2015/052056A1
A method is disclosed for producing a dispersed fluid mixture, in which method at least one gaseous and at least one liquid fluid are supplied, each with a particular volume flow (FV, GV), to a dispersing device (1), gas bubbles being fo...  
WO/2015/051435A1
A method for processing a heavy mineral concentrate obtained from froth treatment tailings to produce a zirconium concentrated product, including subjecting the heavy mineral concentrate to froth flotation, subjecting a flotation product...  
WO/2015/050808A1
The invention provides methods and compositions for improving a froth flotation type separation. The method uses a microemulsion to improve the effectiveness of a collector. The improvement allows for low dosages of collector to work as ...  
WO/2015/050807A1
The invention provides methods and compositions for improving a froth flotation type separation. The method uses a microemulsion to improve the effectiveness of a frother. The improvement allows for low dosages of frother to work as well...  
WO/2015/042735A1
A combined adjusting agent for flotation of high-calcium, low-magnesium, low-silicon (MgO≤2.0%, SiO2≤2.5%) calcite-type gangue phosphorus ore, which consists of a phosphoric acid solution and a sulfuric acid solution in a certain rat...  
WO/2015/035523A1
A method for continuous purification of a liquid is provided, comprising the steps of inserting the unpurified liquid into a reaction tank (2a), injecting at least flocculants for flocculating impurities and air into the unpurified liqui...  
WO/2015/035527A1
A method for continuous purification of a liquid is provided, comprising the steps of inserting the unpurified liquid into a reaction tank (2a), injecting at least flocculants for flocculating impurities and air into the unpurified liqui...  
WO/2015/032007A1
Methods and apparatus are provided for treating liquids containing solids. Liquid is introduced into the bore of a conduit having an injection site. The liquid has a flow direction in the bore and fills the bore at locations upstream of ...  
WO/2015/030257A1
A recovery method for tin mineral includes adding hydrofluoric acid to tailings separated from tin ore, and flotation-concentrating the tailings after the adding of the hydrofluoric acid.  
WO/2015/030629A1
Proposed is the application of monosubstituted tertiary acetylenic alcohols of the general formula RR'C(OH)C≡CH (R=СН3, С2Н5 СН2СН(СН3)2, R+R'=(СН2)5,), and also a composition of said compounds with foam-formers based on...  
WO/2015/028958A1
The present invention provides a method and apparatus (1) for treating a feed stream (2) for a flotation device (3) comprising a mechanical agitator (30, 50) in a tank (7), the feed stream (2) comprising solid particles (10). The method ...  
WO/2015/017819A1
A method of determining solid particle surface energy includes placing solid particles in a container made of a very high surface energy material and pouring a liquid into the container. The method further includes tilting the container ...  
WO/2015/013421A1
Provided are processes for treating a tailings stream which comprises water and solids, the process comprising: (i) adding one or more anionic polymer flocculants and one or more nonionic polymer flocculants to the tailings stream; (ii) ...  
WO/2015/007652A1
In a method for recovering a copper sulfide concentrate by froth flotation from an ore containing an iron sulfide, hydrogen peroxide is added to the conditioned mineral pulp before or during flotation in an amount effective to lower the ...  
WO/2015/008274A1
Underwater gas pressurization units and liquefaction systems, as well as pressurization and liquefaction methods are provided. Gas is compressed hydraulically in vessels that are used to reach a high compression ratio that lowers the liq...  
WO/2015/007955A1
The invention relates to a method for gas handling in a mineral flotation circuit maintained under an essentially closed recirculating gas atmosphere. Pressurized process gas is fed as a flotation gas into one of more sealed flotation ce...  
WO/2015/007654A1
In a method for recovering a copper sulfide concentrate by froth flotation from an ore containing an iron sulfide, hydrogen peroxide is added to the conditioned mineral pulp before or during flotation, a concentration of dissolved oxygen...  
WO/2015/007649A1
In a method for recovering a copper sulfide concentrate by froth flotation from an ore containing an iron sulfide, wet grinding of the ore with grinding media made of high chromium cast iron alloy having a chromium content of from 10 to ...  
WO/2015/000931A2
The present invention relates to a compound obtainable by reacting an N-acyl neutral amino acid or a salt thereof, or an N-acyl neutral amino acid oligopeptide or a salt thereof with a monohydroxy monocarboxylic acid or a salt thereof. T...  
WO/2015/002720A1
Grinding aid compositions comprising hydrolyzed starches, such as dextrin, maltodextrin or corn syrup solids. The grinding aid compositions are typically added to various mineral ore slurries prior to grinding operations to affect the rh...  
WO/2014/193764A1
A process removes naphthenic acid and/or naphthenic compounds from an aqueous solution. The process comprises one or more of the steps of: (a) feeding an aqueous solution comprising a constituent selected from the group consisting of nap...  
WO/2014/188232A1
The present invention relates to an automated system of froth flotation columns with aerators injection nozzles of pulp vertically positioned at the top of the said column for high recovery froth floating of ores such as gold, iron, copp...  
WO/2014/184523A1
A method of separating heavy mineral particles, such as zircon, monazites, xenotime etc., from a sample of quartz crystal powder, comprises the steps of: a. conditioning the quartz powder suspected of containing heavy mineral particles a...  
WO/2014/182533A1
Systems and methods for treating wastewater including a dissolved air flotation operation performed upon a portion of a mixed liquor output from a contact tank prior to the mixed liquor entering a biological treatment tank.  
WO/2014/179134A1
Processing of mineral material containing precious metal with one or more sulfide minerals and non-sulfide gangue minerals including acid-consuming carbonate may include preparation of a sulfide concentrate by flotation with the flotatio...  
WO/2014/163769A1
The invention provides methods and compositions for improving a froth flotation type separation. The method involves adding a hydrocarbon reaction product to slurry to enhance the separation. The method is particularly effective with coa...  
WO/2014/154517A1
Disclosed is a method for separating rare-earth metal particles from a heterogeneous mixture containing rare-earth metals, said method comprising the steps: - comminuting the heterogeneous mixture containing the rare-earth metals to form...  
WO/2014/121358A1
The present invention relates to a process for concentrating manganese from the tailing of a manganese-carrying mineral characterized by comprising the stages of removing coarse particle size fraction from the tailing, desliming and cond...  
WO/2014/117213A1
A sensor (1) including at least one array (10), including a plurality of acoustic transducers (12); a controller (42) for controlling each transducer (12) to be selectively in a generation mode for generating an analysis signal, or a rec...  
WO/2014/111887A1
The present invention relates to a process of dewatering a suspension comprising particulate solids dispersed in an aqueous liquid, said particulate solids comprises clay and mineral particles of size below 50 μιτι, which process com...  
WO/2014/112222A1
[Problem] To expand the uses of byproduct ash from blast furnaces and contribute to the formation of a recycling-oriented society. [Solution] Byproduct ash from a blast furnace is separated into unburned carbon and ash, the separated unb...  
WO/2014/111885A1
The invention relates to process of preparing a stabilized suspension, suitable for dewatering, which suspension comprises particulate solids dispersed in an aqueous liquid, said particulate solids comprises clay and mineral particles of...  
WO/2014/110518A1
A method of extracting targeted metallic minerals from ores that contain sulfide metallic minerals along with oxide minerals, carbonate minerals, silicate minerals, halide minerals or combinations thereof. In the method, an ore slurry co...  
WO/2014/106558A1
The invention relates to a nozzle for mixing a suspension containing ore with a gas, wherein the nozzle comprises an accelerating nozzle, a diffusor, and a mixing nozzle and the mixing nozzle comprises at least one flow separation edge i...  
WO/2014/095797A1
The present invention relates to the use of a polyquaternary polymer obtainable by reacting i) a dialkylamine having the structure R1R2NH, where R1 and R2 independently are hydrocarbyl groups having 1 -3 carbon atoms; ii) a difunctional ...  
WO/2014/097273A1
The invention provides method to recover, by means of froth flotation, a desired metal value from a feedstock containing it. In a comminution step, the feedstock is comminuted using comminuting media of an iron and chrome steel alloy com...  
WO/2014/099459A1
A process for the extraction and recovery of bitumen from oil sands using deionized silicate solutions. Bitumen is recovered in a process comprising contacting a deionized silicate solution with an ore sand oil to produce a froth compris...  
WO/2014/095980A1
The invention relates to a method for separating a suspension containing gypsum granules and calcium carbonate granules and an aqueous solution, characterized in that the aqueous solution comprises at least one sodium salt and in that th...  
WO/2014/089443A1
Systems, methods, and apparatus for removing materials from liquid, such as water. The system, methods, and apparatus allow for separation of neutrally buoyant materials from liquid via flotation to or near the surface of the liquid via ...  
WO/2014/085274A1
The invention provides methods and compositions for improving a froth flotation type separation. The method uses a thickener to improve the effectiveness of an emulsifier. The improvement allows for low dosages of emulsifier to work well...  
WO/2014/083197A1
The present invention relates to a method for the flotation of silicates from ores in the presence of a collecting agent and an effective amount of a froth modifier/collecting booster comprising at least one of the compounds of general f...  
WO/2014/080079A1
The invention relates to a water purification method and apparatus utilizing flotation filtration. Especially, the invention relates to a water purification method based on dissolved air flotation combined with filtration. The invention ...  

Matches 501 - 550 out of 2,966