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Patent Searching and Data


Matches 701 - 750 out of 3,482

Document Document Title
WO/2005/021639A1
The present invention provides for a method of producing a composition containing a polymer having undergone phase inversion, the method comprising the step of: effecting phase inversion of a phase invertible water insoluble polymer in a...  
WO2003089144A8
The invention relates to a composition that is effective for use as a flotation auxiliary agent, containing: A) at least one compound of formula (I), wherein R<1> represents a C8 to C22 alkyl radical and X<-> represents an anion, and; B)...  
WO2004088230A3
A system for producing ethanol from an organic source that operates to purify and dry ethanol from a beer source. The system for producing substantially anhydrous ethanol includes: (a) a first distillation stripping column (11) that oper...  
WO/2005/002733A1
It has been discovered that a mechanical flotation system (10) having only two cells (18, 20) can be nearly as efficient as one having more cells, yet provide an apparatus with a considerably smaller footprint, significantly reduced capi...  
WO/2004/112936A1
A system for separating oil and/or oily coated solids from an oily water mixture. The system includes an upright vessel having an inlet for introducing oily water in a horizontal pattern. The vessel also has a water outlet in a lower por...  
WO/2004/110660A1
A method and apparatus for cleaning a contaminated soil using an ejector (8) for washing a contaminated soil and sand, a soil and sand separating vessel (3, 4) receiving the washed soil and sand, and a scum separating vessel (19) receivi...  
WO/2004/098782A1
The invention relates to the use of reagents which contain fatty acid alkyl esters of formula R1CO(0)R2, wherein R1 represents a linear, branched or cyclic aliphatic hydrocarbon radical containing 6 - 18 hydrocarbon atoms and R2 represen...  
WO/2004/094037A1
A method for purifying a spent acid catalyst from an acid catalyzed chemical reaction that generates a mixture of a product, spent acid and tar, includes the steps of separating the mixture of product, spent acid, and tar into a product ...  
WO/2004/094318A1
The invention relates to an installation for treating water by flotation, said installation comprising flotation equipment consisting of a flotation cell (10) into which flocculated raw water mixed with micro-bubbles produced by a pressu...  
WO/2004/091797A1
In a froth flotation method and apparatus, a thick slurry is formed from a coarse-grained material and flotation chemicals. The slurry is prepared substantially without producing sludge in the slurry. In a flotation separator (2), a liqu...  
WO/2004/088277A2
A system for separating particles from a contaminated liquid stream by flotation including a mixing apparatus 10, a pressure reduction device 12 with a flow restrictor 66 therein, a flotation tank 14 having a bloom chamber 70 and a separ...  
WO/2004/088230A2
A system for producing ethanol from an organic source that operates to purify and dry ethanol from a beer source. The system for producing substantially anhydrous ethanol includes: (a) a first distillation stripping column (11) that oper...  
WO/2004/082842A1
The invention provides a flotation device including a series of flotation tanks (1) for processing a slurry incorporating valuable minerals for extraction. At least one of the tanks includes a side outlet (15) adapted for the withdrawal ...  
WO/2004/082841A1
The invention provides an agitator (1) is disposed to agitate slurry within a flotation tank (2). The agitator includes a rotor (6) mounted on one end of a centrally disposed drive shaft (7) extending axially downwardly into the tank and...  
WO/2004/080600A1
A method of measuring froth stability (as described herein) of a froth in a cell of a flotation circuit for a slurry of a mined mineral containing valuable material and gangue materials is disclosed. The method includes a step of measuri...  
WO/2004/080567A1
In a method for preparing oil/water mixtures or emulsions, highly volatile, liquid hydrocarbon compounds, preferably aliphatic hydrocarbons, serving as separating material are mixed with the oil/water mixture or emulsion, and the obtaine...  
WO/2004/076358A2
A dissolved air flotation system (1) and method for purifying water. The system (1) includes a flocculation tank (4), a flotation tank (2), and a collector pan (21) for receiving floats from the flotation tank (2) via a skimmer assembly ...  
WO2004053330A3
Methods and apparatus employing inert gases injected into the lower level of sloping underground oil-bearing formations as a driving mechanism and water injected into the upper level of the formation as a gas blocking mechanism for incre...  
WO2004052790A3
Methods and apparatus employing membrane filtration in biodegradation processes for treatment of wastewater in a membrane bioreactor fluid treatment system (1) is described. An aeration system such as a dissolved gas generator mixer (42)...  
WO2004024283A3
Apparatus and methods are described for pharmaceutical grade manufacture extrachromosomal nucleic acids from cell lysates using flotation to separate and eliminate undesired insoluble cellular debris including chromosomal DNA from the ly...  
WO/2004/060565A1
The Invention relates to a flotation machine (1) which at least consists of a flotation cell (2) having a means for feeding slurry in the flotation cell, a gas dispersion mechanism (3) for feeding gas into the slurry and producing froth,...  
WO/2004/060819A1
A process in which material comprising an aqueous liquid with dispersed particulate solids is transferred as a fluid to a deposition area, then allowed to stand and rigidify, and in which rigidification is improved whilst retaining the f...  
WO/2004/052495A1
Method and apparatus for supplying dissolved gases (such as oxygen, ozone, chlorine, etc.) for chemical and biological processes is described. The methods and apparatus described are particularly suitable for use in the biodegradation of...  
WO/2004/052815A1
Compounds of formula (I) wherein R1 and R2 are each independently C1-C2 alkyl, and m is 1, 2, 3, 4, or 5 and compositions of formula (II) wherein R1 and R2 are each independently C1-C4 alkyl, and n is an integer >&lowbar 0 and wherein th...  
WO/2004/052790A2
Methods and apparatus employing membrane filtration in biodegradation processes for treatment of wastewater in a membrane bioreactor fluid treatment system (1) is described. An aeration system such as a dissolved gas generator mixer (42)...  
WO/2004/053330A2
Methods and apparatus employing inert gases injected into the lower level of sloping underground oil-bearing formations as a driving mechanism and water injected into the upper level of the formation as a gas blocking mechanism for incre...  
WO/2004/050254A1
The invention provides an impeller (358, 366, 359) for a froth floatation cell of the type including a draft tube extending from a false bottom, a disperser depending from a standpipe, and a rotor located at least partly within the dispe...  
WO/2004/050253A1
A process of separating a desired constituent from a mixture of particulate matter including the steps of : conditioning a liquid mixture of particulate matter with a frothing agent to create a pulp (14); aerating the pulp to generate a ...  
WO/2004/045753A1
A mixer apparatus for use with a vessel centered about a longitudinal axis is disclosed. The mixer has a blade body is formed along a central head axis. The blade body has a first end, a second end spaced from the first end along the hea...  
WO/2004/043604A1
Invention relates to a flotation machine which at least contains a flotation cell (2) having a means for feeding slurry in the flotation cell, a means for feeding gas into the slurry and producing aerated slurry (4) and froth (3), a mean...  
WO2004014562A3
The invention relates to a means for the flotation of sulphidic ores, comprising at least one compound of formula (I), where R<1>, R<2 >and R<3> independently = alkyl groups with 1 to 18 carbon atoms, alkenyl groups with 2 to 18 carbon a...  
WO/2004/035480A1
A construction and a method for batchwise treatment of water by means of dissolved-air flotation, comprising a tank (1) with an addition, from the bottom, of a mixture of water, which is about to be purified, via a pipe (2), and a water/...  
WO/2004/035218A1
Froth flotation processes, useful for beneficiating base metal m ineral values from metal sulfide ore, utilize a collector comprising an N-butoxycarbonyl-O-alkylthionocarbamate selected from the group consisting of N-butoxycarbonyl-O-met...  
WO/2004/030824A1
The invention relates to a method for controlling the reagent dosages in a concentration plant. In accordance with the method, a small part of the concentration plant feed is conducted to a side stream, where the feed is handle and varia...  
WO2004012867A3
Eductor apparatus (100, 99) is provided for introducing gas into a liquid in a gas flotation cell, the apparatus comprising a clean liquid inlet port (101), the inlet port having an outlet end (104) through which the clean liquid is ejec...  
WO2003060049A3
The invention relates to alkylglycol alkoxylates and alkyldiglycol alkoxylates that are obtainable by alkoxylating C4-8 alkylglycols or diglycols with C2-5 alkoxides up to an average alkoxylation degree of 1 to 8, based on the C4-8 alkyl...  
WO/2004/024283A2
Apparatus and methods are described for pharmaceutical grade manufacture extrachromosomal nucleic acids from cell lysates using flotation to separate and eliminate undesired insoluble cellular debris including chromosomal DNA from the ly...  
WO2004000447A3
The invention relates to a device for saturating a liquid with gas by means of pressure, which comprises: a saturation container (1) filled with pressurized gas, one or more nozzles (8) for injecting a liquid into the saturation containe...  
WO/2004/024334A1
A continuous flotation process and apparatus for iron-containing sulphides in ores and concentrates of ores are disclosed. The process includes adjusting the pH of an aqueous pulp of the ores or concentrates of the ores to be in the rang...  
WO/2004/022492A1
An apparatus (1) for delivery of a flocculant to a liquid stream and including: a container (5) enclosing a chamber (10); a baffle (15) extending across the chamber (10) so as to divide the chamber (10) into a first sub-chamber (l0a) and...  
WO/2004/018366A1
An improved production water treatment system and method are disclosed. The treatment apparatus includes a vertically oriented vessel (11) with tangentially disposed injection nozzles including one or more injection nozzles (P1, P2) for ...  
WO2003026800A3
A flotation machine rotor (40), having a body portion (44) and an interior area (48) that is adapted to communicate with a gas source.  
WO/2004/014562A2
The invention relates to a means for the flotation of sulphidic ores, comprising at least one compound of formula (I), where R1, R2 and R3 independently = alkyl groups with 1 to 18 carbon atoms, alkenyl groups with 2 to 18 carbon atoms, ...  
WO/2004/012920A2
A process for enhancing the magnetic susceptibility of plastic materials facilitates the separation of those materials to enable recycling. The invention includes the plastic which is formulated with the enhancement materials, typically ...  
WO/2004/012867A2
Eductor apparatus (100, 99) is provided for introducing gas into a liquid in a gas flotation cell, the apparatus comprising a clean liquid inlet port (101), the inlet port having an outlet end (104) through which the clean liquid is ejec...  
WO/2004/000447A2
The invention relates to a device for saturating a liquid with gas by means of pressure, which comprises: a saturation container (1) filled with pressurized gas, one or more nozzles (8) for injecting a liquid into the saturation containe...  
WO2003078013A3
The invention relates to a flotation arrangement (1, 15) for flotating minerals or the like from slurries containing these particles, said flotation arrangement comprising a flotation cell (3) including edges (2) and a bottm (10), and a ...  
WO/2003/100169A1
The method of the invention is directed to the polymerization of acrylamide and cationic or anionic monomer(s) in a salt solution with the use of PEI (Poly Ethylene Imine), SMA (Styrene Maleic Anhydrous) and non-ionic surfactant mixture ...  
WO/2003/089144A1
The invention relates to a composition that is effective for use as a flotation auxiliary agent, containing: A) at least one compound of formula (I), wherein R1 represents a C8 to C22 alkyl radical and X- represents an anion, and; B) a b...  
WO/2003/089375A1
The present invention relates to a sludge treatment apparatus in an oxidized and dissolved air floating way, which is treated in the order of a separated excretions liquid retaining tank O in a solid-liquid separating and high-speed dehy...  

Matches 701 - 750 out of 3,482