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Matches 251 - 300 out of 3,483

Document Document Title
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/2015/002720A4
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/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/2014/184434A3
The invention relates to a drive supporting structure (1) for a tank (2). The drive supporting structure (1) comprises a drive support element (3) for supporting a drive (30) and a support beam structure (4) for supporting the drive supp...  
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/2014/182533A8
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/2014/097273A4
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/2014/089228A8
Processes and systems for treating high salinity aqueous liquids containing dissolved minerals, suspended solids, colloidal solids, free oil and grease, dissolved organics, and dissolved hydrocarbons. The liquid is passed into an electro...  
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/2014/089228A3
Processes and systems for treating high salinity aqueous liquids containing dissolved minerals, suspended solids, colloidal solids, free oil and grease, dissolved organics, and dissolved hydrocarbons. The liquid is passed into an electro...  
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 ...  
WO/2014/071952A1
A flotation machine includes a stator positioned in a tank adjacent a rotor. The stator has a plurality of vanes. Each of the vanes is spaced apart from the other vanes to which that vane is adjacent. The vanes are positioned in series a...  
WO/2014/071951A1
A flotation machine includes a stator positioned in a tank adjacent a rotor. The stator has a plurality of vanes. Each of the vanes has a plurality of slots formed therein. Each of the slots has a shape that is elongated in a direction a...  
WO/2014/068478A3
Methods of providing data on the movement of froth in a froth flotation plant and on the height of the froth in the plant are disclosed. The surface of the froth is generally illuminated at the predetermined wavelength and a laser (18) o...  
WO/2014/060740A1
Uses of a method of producing small bubbles of gas in a liquid include gas transfer in airlift bioreactors and anaerobic digesters, and particle separation. The method uses a source of the gas under pressure, a conduit opening into a liq...  
WO/2014/056065A1
One method of treating incinerated waste comprises: size separating at least some of the incinerated waste into a first undersize fraction comprising particles smaller than the first separation size and into a first oversize fraction com...  
WO/2014/055502A1
Depressants comprising one or more types of polysaccharides comprising one or more types of pentosan units are provided. Also disclosed are processes for enriching a desired mineral from an ore comprising the desired mineral and gangue, ...  
WO/2014/046979A1
A method for enhancing filtration performance in separating solids from liquids in an aqueous dispersion comprising a solids phase and a liquid phase in a two step process having a physical separation step and a filtration step comprisin...  
WO/2014/040686A1
The invention relates to a flotation agent for phosphate ore, comprising at one fatty acid and at least one sarcosinate of the formula (I) wherein R is a C7 to C21 alkyl or alkenyl group, which sarcosinate may be present in the form of a...  
WO/2014/036621A1
The patent application describes a depressor in iron ore flotation that comprises sugar cane bagasse treated with caustic soda so as to assist in the iron ore flotation and a process of preparing that depressor. The invention refers to t...  
WO/2014/037334A1
A dissolved gas flotation apparatus (10) comprises: - a flotation tank(18) having an upstream contact zone separated by a baffle (9) from a downstream clarification zone; - one or more pressure reduction nozzles (28) arranged to discharg...  
WO/2014/033370A1
A method of filtering a sludge, which consists of solid material and a liquid phase. In the method, the sludge is fed to a filtering unit, such as a suction filter, with which the solid material is separated from the liquid. According to...  
WO/2014/029932A1
The present invention relates to fatty-amidoamine-based collectors for the flotation enrichment of aqueous ore suspensions, and to the use of said fatty-amidoamine-based collectors in flotation processes for ore enrichment, more particul...  
WO/2014/029931A1
The present invention relates to alcoxylated-fatty-polyamine-based collectors for the flotation enrichment of aqueous ore suspensions, and to the use of said alcoxylated-fatty-polyamine-based collectors in flotation processes for ore enr...  

Matches 251 - 300 out of 3,483