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Matches 301 - 350 out of 3,495

Document Document Title
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...  
WO/2014/016110A1
The invention relates to a method for determining a distribution of sizes of bubbles (3) which are provided in a liquid (2) and are relevant for a process, in particular flotation, wherein an acoustic measurement signal from a container ...  
WO/2014/012823A1
The invention relates to a method for controlling or regulating a floatation unit (1) for removing interfering substances from a fibrous-material suspension (S). The floatation unit comprises at least one floatation cell (5), by means of...  
WO/2014/012139A1
Novel collectors in the form of mixtures of one or more monothiophosphates and one or more thionocarbamates, optionally containing other materials useful for enhancing the performance of the collectors, are used in froth flotation proces...  
WO/2014/008581A1
There is a method described of treating tailings which are composed of at least some water and clay particles. Within the tailings, at least some water molecules are weakly bond to the clay particles to form a gel like fluid from which w...  
WO/2014/000844A1
This invention relates to an composition, comprising A) at least one quaternary ammonium compound which is a collector for the reverse flotation of magnesium minerals from calcium carbonate B) at least one antifoam agent C) a solvent and...  
WO/2014/003894A1
A rotor for flotation machines or flotation cells of flotation machines includes blades that are configured to provide improved bubble flow and bubble generation performance while also reducing the power requirements for rotating the rot...  
WO/2013/189685A1
The invention relates to a device (1,1´,1´´,1´´´) for separating magnetic and/or magnetizable particles from a suspension (9) which also contains nonmagnetic and/or non-magnetizable particles. The device comprises - at least one ma...  
WO/2013/188419A1
A process for cleaning and dewatering hydrophobic particulate materials is presented. The process is performed in in two steps: 1) agglomeration of the hydrophobic particles in a first hydrophobic liquid/aqueous mixture; followed by 2) d...  
WO/2013/173257A2
A system and method of operating the same includes an absorption tank having a compressor communicating gas thereto, a suspended solid filtration tank having a primary inlet, a secondary inlet, a primary outlet and a secondary outlet and...  
WO/2013/173257A3
A system and method of operating the same includes an absorption tank having a compressor communicating gas thereto, a suspended solid filtration tank having a primary inlet, a secondary inlet, a primary outlet and a secondary outlet and...  
WO/2013/173257A4
A system and method of operating the same includes an absorption tank having a compressor communicating gas thereto, a suspended solid filtration tank having a primary inlet, a secondary inlet, a primary outlet and a secondary outlet and...  
WO/2013/171509A1
A dissolved gas flotation apparatus (10) comprises: - a flotation tank (18); - one or more pressure reduction nozzles (28) arranged to discharge into the flotation tank (18); - an underflow exit baffle (19) defining the upper part of an ...  
WO/2013/170296A1
A method of controlling a froth flotation cell in a froth flotation circuit for separating substances is disclosed. The method includes controlling flotation gas flow rate to the cell based on changes in cell conditions to maintain the o...  
WO/2013/167728A1
The present invention concerns a method for treating soil contaminated by at least one radionuclide such as caesium 137Cs comprising at least one step of separating said radionuclide by dispersed air flotation foam produced by injecting ...  
WO/2013/169140A1
Method and apparatus for controlling the flotation process of sulphide ores including separation of sulphide minerals from pyrite in an alkaline environment created by lime. The method comprises measuring the molybdenum electrode pote...  
WO/2013/169141A1
A method and an apparatus for the separation of the mineral components of a pyrite containing copper- molybdenum ore by flotation. The method comprises grinding the ore in the presence of soda ash in an open circuit to produce an aqueous...  
WO/2013/169387A1
A method for obtaining rare earth element compositions is disclosed. The method includes providing a dispersed aqueous suspension of a particulate material including at least one rare earth element compound and kaolinite. The method furt...  
WO/2013/156020A1
The invention relates to a method for reducing the losses of valuable substances in mineral processing, wherein a mineral mixture, dry or suspended, has a grain fraction with a tailings portion and a superficial valuable material portion...  
WO/2013/152412A1
A method of using the synergy of multiple depressants to improve the depression of iron sulphide without compromising the recovery of the valuable sulphide minerals in the flotation of non-ferrous metal sulphides, while reducing or elimi...  
WO/2013/149231A1
Apparatus is provided featuring a first and second cells. The first cell receives an ore slurry having mineral particles of interest, receives unexpanded polymer microspheres comprising a surface having mineral collector chemistry attach...  
WO/2013/130794A1
The present invention provides new techniques related to magnetically controllable and/or steerable froth for use in separation processes of mineral-bearing ore and bitumen. Apparatus is provided featuring a processor configured to conta...  
WO/2013/129922A1
Device for separating out of a liquid for purifying floating components present in this liquid, comprising a container with at least one first inlet conduit on an upstream side for admitting liquid for purifying and at least one outlet c...  
WO/2013/120689A1
A flotation method for mineral processing is disclosed. The method for floating comprises a first step comprises using a first carboxymethyl cellulose (CMC) in a first flotation cell, and a subsequent step comprises using a second CMC in...  
WO/2013/116898A1
Novel thionocarbamate compounds having one or more substituents with five or more carbon atoms have been produced and evaluated as collectors used in froth flotation processes for the recovery of minerals. The amounts of minerals being r...  
WO/2013/117454A1
The invention relates to a method for determining the amount of foam in a fluid container (1) containing a fluid (5), in particular in the production of a fibrous web, in particular a paper, cardboard, or tissue web, wherein the fluid (5...  
WO/2013/113253A1
Disclosed is an energy-saving axial-flow microbubble flotation cell for mineral flotation, composed of a cell body (1), a power apparatus (2), a drive shaft (3), an axial-flow pump (4), a gas inlet pipe (9), a gas inlet branch pipe (10),...  
WO/2013/110420A1
The present invention is directed to methods that can be used in the enrichment of metal sulfide ores in desired minerals in cases where the ores have sulfide-containing gangues. The method involves adding an oxidant to slurries prepared...  
WO/2013/110383A1
The invention relates to a method and a device for removing solids from an aqueous fibrous suspension (1) by means of gas bubbles, wherein a fibrous-suspension gas mixture (2) is supplied to form a flotation foam (3, 4) in at least two f...  
WO/2013/110757A1
The present invention is directed to methods that can be used in the enrichment of metal sulfide ores in desired minerals in cases where the ores have sulfide-containing gangues. The method involves adding an oxidant such as hydrogen per...  
WO/2013/110386A1
The invention relates to a method for removing solids from an aqueous fibrous suspension (1) by means of gas bubbles in a flotation unit comprising a plurality of flotation cells (2), wherein a fibrous suspension gas mixture (3) is suppl...  
WO/2013/096787A1
A process for treating a tailings stream which comprises water and solids such as sand and clay, the process comprising the steps of: (i) adding a cement to the tailings stream; and (ii) separating at least a portion of the cement and so...  
WO/2013/092797A1
There is disclosed certain hyperbranched polyester amides with a cloud point of50º Cwith end groups selected from: polyalkylene glycol functional end groups that are useful various end uses such as a flocculant  
WO/2013/092440A1
The present invention relates to a composition comprising a polyesteramine or a polyester polyquaternary ammonium compound and a chelating agent, and to various uses of such a composition, for example as corrosion inhibitor, cleaning age...  
WO/2013/068245A1
Process for improving inline mineral slurries treatment comprising successively: • - providing an in-line flow of slurries (2) in a main stream (1); • - introducing at least one polymer into the main stream through at least one polym...  
WO/2013/067343A1
A froth flotation cell includes a tank, a drive shaft rotatably disposed in the tank, a rotor connected to the drive shaft for imparting rotational energy to a fluidic/slurry material disposed in the tank, a standpipe mounted at least pa...  
WO/2013/059258A3
Formulations for value mineral collector compositions composed of at least one first collector selected from an organic ammonium salt of an organic sulfur-containing acid; and at least one second collector selected from neutral collector...  
WO/2013/059259A2
Froth flotation processes that include adding a beneficiating amount of a value mineral collector composed of an organic ammonium salt of a sulfur-containing acid to at least one stage of a froth flotation process to recover value minera...  
WO/2013/059260A2
Froth flotation processes that include adding a beneficiating amount of a value mineral collector composed of an organic ammonium salt of a sulfur-containing acid to at least one stage of a froth flotation process to recover value minera...  
WO/2013/059260A3
Froth flotation processes that include adding a beneficiating amount of a value mineral collector composed of an organic ammonium salt of a sulfur-containing acid such as hydrocarbyl dithiophosphoric acids, hydrocarbyl monothiophosphoric...  
WO/2013/059259A3
Froth flotation processes that include adding a beneficiating amount of a value mineral collector composed of an organic ammonium salt of a sulfur-containing acid such as hydrocarbyl dithiophosphoric acids, hydrocarbyl monothiophosphoric...  
WO/2013/059258A2
Formulations for value mineral collector compositions composed of at least one first collector selected from an organic ammonium salt of an organic sulfur-containing acid; and at least one second collector selected from neutral collector...  

Matches 301 - 350 out of 3,495