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WO/2008/065129A1 |
The invention relates to a collector for the separation by flotation of carbonates contained in non-sulfurous minerals, particularly phosphoric rock, comprising at least one phosphoric ester of formula (I) wherein, - R1 represents H, CH3...
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WO/2008/061289A1 |
A method for monitoring a froth phase of a liquid system including: detecting acoustic emissions in the ultrasonic frequency range using a sensor located within the froth phase; and analysing the acoustic emissions.
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WO/2008/062097A1 |
The invention relates to a rotor (1) for a flotation machine for dispersing air into slurry around the ro- tor, the rotor comprising a body (2) equipped with a set of blades (3). The body (2) is assembled from ra- dial sector modules (9)...
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WO/2008/059439A1 |
A method of treating value bearing material comprising oxidised or surface oxidised mineral values includes the steps of crushing the value bearing material, contacting the crushed material! with a sulfide solution to sulfide the oxidise...
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WO/2008/037086A1 |
The present invention relates to an apparatus and a process for efficient hydrophobic particles to gas bubble attachment in a slurry is provided. The process comprises: tangentially introducing a slurry stream into a cylindrical chamber ...
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WO/2008/028796A1 |
A flotation cell (1) and a method for the production of a floating cell (1) are provided, wherein the interior wall of a parting liquid container (3), at least in a partial region, comes in contact with the parting liquid, is provided wi...
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WO/2008/025088A1 |
A method for the separation of carbonaceous material from inorganic matter comprising the steps of mechanically working a feed stream; applying a separation means to the product of the preceding step to produce a flotation stream compris...
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WO/2008/025680A1 |
The invention relates to a flotation cell (1) comprising a tub-like container (3) that is open on the top and that is used to receive a pulp that is formed, substantially from a liquid and a particle mixture that is to be separated. At l...
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WO/2008/025871A1 |
The invention relates to an equipment and method for flotating mineral slurry (4) in a flotation cell provided with a flotation mechanism (3), comprising at least a drive shaft (6), a rotor (5) and a stator (7), and at least one inlet (1...
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WO/2008/022312A2 |
Systems and methods for hydroponically growing microorganisms within a self- contained air-supported structure, in which microorganisms are grown in an organic slurry, harvested, and processed to obtain and process and distribute molecul...
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WO/2008/020311A2 |
A class of non-sulfide, silicate gangue material depressants based on naturally- occurring galactomannans, having a galactose-to-mannose ratio of less than 1 :2.1, exemplified by modified products of the seed gums: casia tora gum, sesban...
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WO/2008/019983A2 |
The invention relates to a method for controlling an operational parameter of a flotation cell (1) that comprises a housing and that is used to separate amounts of solid particles in a suspension (2). The individual sound signal (50) of ...
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WO/2008/019451A1 |
More efficient collectors for recovering selected metal values and/or minerals using flotation processes are described in which the improved collectors are combinations of different reagents in which the different reagents are selected f...
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WO/2008/006165A1 |
A flotation cell for separating hydrophobic particles from hydrophilic particles uses a mixer (1) with an air inlet (8) and slurry feed (7) to form a bubbly mixture in a u-tube mixer (4, 5, 6) and feed the mixture into a separation vesse...
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WO/2008/006264A1 |
A floatation method of desulphurisaiton and desiliconization for bauxite features that reverse floatation for desulphurisaiton and normal floatation for desiliconization are performed sequentially, in which medium-low class bauxite that ...
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WO/2008/000036A1 |
The present invention provides a device (10) for detecting the frothing ability of a fluid, said device including: an inlet (11) for receiving a portion of said fluid; means (12) for entraining air into said fluid portion; a mixing chamb...
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WO/2008/000037A1 |
The present invention provides a separation process, said process including the steps of: (1) feeding a feed fluid into a separator; (2) separating said feed fluid with a frother into a product stream and a tailings stream; (3) treating ...
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WO/2007/136403A2 |
An automated system for sorting dissimilar materials, and in particular for sorting plastics from other materials and for sorting different types of plastics from one another comprises, depending upon the embodiment, combinations of a si...
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WO/2007/125812A1 |
A process for producing monodisperse inorganic nanoparticles of narrow particle diameter distribution; semiconductor nanoparticles of narrow particle diameter distribution realizing a high luminance and an emission spectrum of narrow hal...
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WO/2007/124853A1 |
The invention relates to the use of a compound of formula R-N-[A-NH2]2, wherein R represents a linear or branched alkyl group or alkenyl group comprising 6 to 20 carbon atoms while A represents a C2 to C4 alkylene group, as a collector i...
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WO/2007/122148A1 |
The invention relates to a reverse froth flotation process for treating a calcium carbonate ore containing silicates. The process comprises the use of two collectors selected from the group consisting of fatty tri-lower-alkyl quaternary ...
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WO/2007/115531A1 |
The invention relates to a flocculation device (1) for forming colloidal suspensions that contain flocculants. The inventive device comprises a suspension inlet (5), a driveable rotational body (3), a suspension outlet (7) and an annular...
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WO2007049245B1 |
A separator tank comprises an essentially cylindrical vertical tank (1) having an upper part (6) and a lower part (7), a tangentially arranged inlet (2) for fluid in the upper part of the tank, at least one first outlet (4) in the upper ...
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WO/2007/102819A1 |
Embodiments of a method and a system for recovering energy, materials or both from asphaltene-containing tailings are disclosed. The asphaltene-containing tailings can be generated, for example, from a process for recovering hydrocarbons...
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WO/2007/101575A1 |
The invention relates to the use of a compound of the formula (I) R1-O-R2-NH(2-m)-[(R3)n-H]m (l), where R1 is a hydrocarbon group having 1 - 40 carbon atoms, R2 is an aliphatic hydrocarbon group having 2 - 4 carbon atoms and R3 is an alk...
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WO/2007/098116A2 |
Methods and compositions for separating materials are provided. In an embodiment, the present invention provides a method of separating a first material from a second material. For example, the method can comprise mixing the first materi...
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WO/2007/098115A2 |
Methods and compositions for separating materials are provided j. In an embodiment, the present invention provides a method of separating a first material from a second material. For example, the method can comprise mixing the first mate...
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WO/2007/082317A2 |
Apparatus for conducting a flotation test on a slurry which includes a movable support (50), a plurality of differently sized flotation units (12) which are mounted on the support (50), each unit including a respective vessel with a frot...
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WO/2007/074657A1 |
Disclosed is a method for removing unburned carbon from fly ash at low cost and within a short time. The method comprises the steps of adding a collecting agent to fly ash directly, agitating/mixing the mixture in a mixer (5), adding wat...
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WO/2007/074627A1 |
Disclosed is a method for removal of an unburned carbon contained in a fly ash material. The method comprises the steps of: adding water to the fly ash to prepare a fly ash slurry; shearing the fly ash slurry using an agitating blade tha...
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WO/2007/072718A1 |
The object is to remove unburned carbon in a fly ash in a stable and economically advantageous manner. A fly ash, water and a trapping agent are mixed together in a hybrid mixer (2), a shearing force is applied to the mixture to prepare ...
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WO/2007/073460A1 |
A process for making an alkylene glycol ether composition is disclosed. In one aspect, the process comprises reacting propylene glycol methyl ether (PM) with from 1.5 to 3 equivalents of propylene oxide (PO). The resulting alkoxylation m...
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WO/2007/068446A1 |
A plant for generating biogas from organic biodegradable material containing liquid and solid components, such as waste products, in particular liquid manure from agricultural enterprises, comprises a biogas generation container (9) havi...
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WO/2007/065199A1 |
A flotation method in which a liquid or slurry is fed to a downcomer (20) where it forms a region of high void fraction which moves out of the downcomer (20) into a vessel (10) in which a froth rises and liquid or slurry falls, character...
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WO/2007/066534A1 |
[PROBLEMS] To provide among others a method of removing unburned carbon from fly ash that enables stable performance regulation according to the properties of fly ash while attaining reduction of apparatus cost. [MEANS FOR SOLVING PROBLE...
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WO/2007/059559A1 |
A metal or mineral compound collector for use in a froth flotation process so as to recover one or more desired minerals or metals; the collector comprising a functional group attached to a carbon chain; the functional group being a nitr...
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WO/2007/053879A1 |
A method and apparatus for introducing wash water into a flotation froth in a flotation separation system, where the wash water is injectioned into the froth (25) in the form of a horizontal sheet of water (27). The sheet (27) is typical...
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WO/2007/048869A1 |
The invention relates to a method of and a device for monitoring the operation of a flotation cell. In the method according to the invention, the electrical conductivity of the material (3, 7) in the flotation cell (1) is measured to obs...
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WO/2007/049244A1 |
A gravity separator comprises a vessel within which a mixture containing water, oil, and gas can separate under gravity to form vertically discrete oil and water layers and a gas phase. An inlet duct communicates with a vessel entrance f...
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WO/2007/049246A2 |
A well fluid separator tank comprises an essentially cylindrical vertical tank (1) having an upper part (6) and a lower part (7) divided by an upward protruding conical frusta shaped wall (5) , a tangentially arranged inlet (2) for fluid...
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WO/2006/134235A1 |
An injector of a flotation cell, the injector (2) comprising a feed pipe (3) for feeding a fibre suspension flow into the flotation cell (1), a mixing apparatus (9) for mixing air into the fibre suspension flow and at least one air feed ...
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WO/2006/131593A1 |
The invention relates to a water purification apparatus comprising a sedimentation basin (10), a flotation basin (20), a flow channel for conveying water containing impurities as flow (A) into the sedimentation basin (10) and means for c...
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WO/2006/119721A1 |
The invention relates to a process and device for separating fragmented plastics depending on their chemical composition, and makes use of the different density of these plastics, since a different density is associated with each plastic...
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WO/2006/106411A1 |
Apparatus (6) for treatment of a polluted liquid, particularly for treatment of polluted water from production residues of non-woven fabric, comprising a chamber (7) that contains at least a treatment chamber (8) to treat this polluted l...
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WO/2006/095325A2 |
A method is provided of optimizing an ore beneficiation flotation process through which a comminuted ore slurry, which includes a sulphide mineral, passes to produce a final flotation concentrate and a final flotation tail. The method in...
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WO/2006/095044A1 |
The invention is a flotation circuit for separating concentrates from slurry comprising grinded ore or oil sand. The slurry is divided into at least two fractions (15, 16) in a flotation cell system that receives a feed (11) of mineral s...
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WO/2006/092592A1 |
The present invention provides a nozzle assembly for use in a dissolved gas flotation system, comprising: a nozzle having at least one inlet and at least one outlet, the at least one inlet and the at least one outlet being in fluid commu...
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WO/2006/081611A1 |
A flotation separation apparatus for separating particles in suspensions, feeds slurry containing the particles through an inlet (10) into a contactor (16) where gas is fed through an inlet (12) to mix with the slurry, for example in a d...
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WO/2006/071672A2 |
Modified resins are disclosed for removing a wide variety of solids and/or ionic species from the liquids in which they are suspended and/or dissolved. These modified resins are especially useful as froth flotation depressants in the ben...
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WO/2006/071673A2 |
Amine-aldehyde resins are disclosed for removing a wide variety of solids and/or ionic species from the liquids in which they are suspended and/or dissolved. These resins are especially useful as froth flotation depressants in the separa...
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