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7588686 |
Dual porosity filter
Disclosed is a method and a filter unit for depleting or enriching a liquid or gas with substance(s) comprising i) providing a filter unit comprising at least one convective layer and at least one...
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7575688 |
Apparatus and method for removing sulfur containing compounds from a post-refinery fuel stream
Disclosed are fuel filters and process for removing sulfur-containing compounds from a post refinery fuel stream. In one embodiment, the disclosed process requires passing the post refinery fuel...
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7524421 |
Method of forming alginate particles in an aqueous solution containing metal ions
In some embodiments, a system may reduce metal compounds from water. A system may include alginate particles in a housing. The alginate particles may be formed by directly adding alginate granules...
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7481938 |
Metal compound removal
The present invention relates to a process for separating at least one metal compound and/or a component thereof from a mixture, said process comprising contacting the said mixture with a...
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7476311 |
Arsenic removal from aqueous media using chemically treated zeolite materials
Systems and methods are provided for the removal and disposal of arsenic from an aqueous medium. The systems and methods include the removal of arsenic from a source by contact with either a...
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7455780 |
Method of treating stormwater runoff and domestic waste with high carbon ash
A method of treating domestic wastewater wherein the wastewater is directed through a high carbon ash particulate. Contaminants such as phosphorus, nitrogen, BOD and COD can be removed. In...
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7438818 |
Cross-linked polyimine and use thereof for the immobilization of acidic or electrophilic compounds present in a solution
The invention relates to a process for immobilizing acidic or electrophilic compounds in a solution. The process is characterized in that it consists in bringing a crosslinked polyimine, which is...
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7431842 |
Method of using silicon carbide for removal of adventitious agents
A method of using silicon carbide for removing adventitious materials such as endotoxins, prions, viruses and bacteria from water, buffers, aqueous solutions or biological preparations of DNA or...
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7419601 |
Nanomesh article and method of using the same for purifying fluids
Disclosed herein are articles for removing contaminants from a fluid, such as a liquid or gas, the article comprising carbon nanotubes, which comprise at least one molecule or cluster attached...
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7399416 |
Reactive filtration
In one embodiment, a reactive filtration method includes continuously regenerating a reactive filter media while simultaneously filtering contaminants from fluid flowing through the filter media....
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7393454 |
Elimination of metal ions from aqueous effluents
Method for the elimination of metal ions from aqueous media, such as zinc, lead, chrome, copper, iron, aluminium, manganese, cadmium, cerium or silver and mixtures of the metals present in a trace...
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7390414 |
Regeneration of chemically treated zeolite
Systems and methods are provided for the removal and disposal of arsenic from an aqueous medium. The systems and methods include the removal of arsenic from a source by contact with either a...
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7381333 |
Treatment of water flowing in a horizontal conduit
Trace levels of dissolved toxic species are removed from water flowing horizontally in a conduit equipped with overhead debris-excluding structure by suspending from the overhead structure...
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7374684 |
Method of separating components in a sample using silane-treated silica filter media
The present invention provides methods for separating one or more components of interest from a sample containing particulates and soluble materials. The method comprises the steps of: (a)...
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7335307 |
Method for removing contaminants from water using ruthenium based contaminant sorbents and oxidizers
Ruthenium compounds, either alone or in combination with other remediating compounds, can be used to oxidize, remove and sequester contaminants in water and soil or sediments.
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7332088 |
Method of water purification
The invention provides a method for the removal of biological species, such as Cryptosporidium , from water using aluminium based media which contains surface Al—OH groups.
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7329391 |
Microfluidic device and material manipulating method using same
Microfluidic devices for manipulating relatively dense materials, such as colloidal rod particles, are provided. Microfluidic devices for separating a denser first material from a less-dense second...
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7326346 |
High capacity regenerable sorbent for removal of arsenic and other toxic ions from drinking water
The present invention is directed to a sorbent comprising a disordered polyvalent metal oxide on the surface of an inert substrate. The substrate can be a layered silicate, such as vermiculite, an...
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7311839 |
Removal of biological pathogens using surfactant-modified zeolite
Systems and methods are described for removing biological pathogens using surfactant-modified zeolite (SMZ). A method for removing biological pathogens from a fluid or a fluid-based gel includes...
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7309676 |
Remover for heavy metals contained in water
A removing agent for heavy metal ion in water which comprises synthetic zeolite, wherein 10 mol % or more of a total amount of exchangeable cation is substituted with magnesium ion and 60 mol % or...
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7300586 |
pH stable activated carbon
An activated carbon composition is disclosed, which includes an activated carbon and a carboxylic acid containing compound. The activated carbon composition is prepared by immersing an activated...
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7291266 |
Composite filter and method and apparatus for producing high purity water using the composite filter
To compose a composite filter for obtaining water having a high purity usable as water for life and water for medicine from water in which impurities are mixed. Furthermore, to compose an apparatus...
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7288201 |
Methods for removing moisture from hydrogen halides
A composition comprising a magnesium halide coated macroporous carbonaceous substrate is provided for effecting moisture removal from a hydrogen halide fluid. Moisture removal is effected by...
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7282153 |
Method for removal of arsenic from water
A method for removing arsenic from water by contacting water with a strong base anion exchange resin comprising at least one metal ion or metal-containing ion whose arsenate salt has a K sp no...
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7279106 |
Adsorbent and method for adsorbing a chemokine in body fluid
A device for body fluid purification, comprising a container having an inlet and an outlet for a fluid and a means for preventing an adsorbent from flowing out of the container and an adsorbent...
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7258796 |
Use of a granulate for the removal of liquid, gaseous and/or dissolved constituents from a process stream
The invention pertains to the use of a granulate for the removal of liquid, gaseous and/or dissolved organic constituents from a process stream, said granulate consisting of dimensionally stable,...
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7258795 |
Regenerable adsorbents for purification of cleaning solvents
A process and adsorbent for removing contaminants from silicone based solvents is disclosed. The process provides for cleaning a solvent for reuse, and regeneration of the adsorbent. The adsorbents...
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7247242 |
Arsenic removal from water
Methods for removing arsenic from water by addition of inexpensive and commonly available magnesium oxide, magnesium hydroxide, calcium oxide, or calcium hydroxide to the water. The hydroxide has a...
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7189326 |
Use of material based on organic and/or inorganic fibres and chitosan for fixing metal ions
The invention concerns the use of a material based on organic and/or inorganic fibres and chitosan for fixing metal ions contained in an effluent. The invention is characterised in that chitosan...
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7157022 |
Multivalent metal ion extraction using diglycolamide-coated particles
A separation medium, a method for using that separation medium and an apparatus for selectively extracting multivalent cations such as pseudo-lanthanide, prelanthanide, lanthanide, preactinide or...
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7150829 |
Water treatment cartridges and processes related thereto
An embodiment is directed to a water treatment cartridge for treating drinking water. The water treatment cartridge may comprise a housing, an inlet for introducing water into the water treatment...
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7141173 |
In situ treatment process to remove metal contamination from groundwater
The present invention provides a process for enhancing the metal contaminant sorption capacity of mineral compounds within a groundwater-bearing formation by manipulating the pH and the surface...
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7125945 |
Functionalized polymer for oligonucleotide purification
Halogenated polymers of vinyl aromatic monomers comprising styrene and divinylbenzene are provided for use in a chromatographic separation method of analytes, wherein said polymer further comprises...
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7098327 |
Dual-functional ion exchange resins from agricultural by-products
A process for the production of dual-functional ion exchange resins from lignocellulosic agricultural material involving anionization of the lignocellulosic agricultural material with citric acid...
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7083732 |
Method and installation for removal of metal cations from a liquid by resins with polyazacycloalkanes grafted on a support
The invention is related to a method and an installation for removal of metal cations contained in a liquid, in which said liquid is brought into contact at a temperature greater than or equal to...
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7083731 |
Precious metal scavenging from a liquid medium with a functionalised polymer fiber
A method for the recovery of a metal from a liquid medium containing the metal I solution or in finely divided insoluble from comprises contacting the medium with a functionalized polymer fiber...
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7067062 |
Closed end regeneration method
A nanoporous reactive adsorbent incorporates a relatively small number of relatively larger reactant, e.g. metal, enzyme, etc. particles ( 10 ) forming a discontinuous or continuous phase...
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7041221 |
Method for removing oil spills
The present invention provides methods and apparatus for removing oil and oil containment for oil spills using crushed glass.
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7037431 |
Method for removing acid from an aprotic liquid
Acids can be removed from aprotic organic liquids by bringing the liquids into contact with polyalkyleneimines that have been applied to a support. Polyethyleneimine that has been applied to...
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7030205 |
Polydithiocarbamate resin
The present invention is directed to a solid chelating resin consisting of a reactive hydrophobic backbone having pendent carbodithioic groups. Preferably the resin is a poly(dithiocarbamate)...
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7014771 |
Process for preparing water having an arsenic level of less than 10 PPB
The present invention relates to a process for the preparation of arsenic free water and an apparatus therefor. The present invention also relates to a porous ceramic useful for pressure filtration...
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7011760 |
Carbon nanotube-containing structures, methods of making, and processes using same
Carbon nanotube structures are disclosed in which nanotubes are disposed over a porous support such as a foam, felt, mesh, or membrane. Techniques of making these structures are also disclosed. In...
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6998050 |
Method of treating fats and oils
The present invention provides a method of treating fats and oils containing low concentrations of aromatic halogen compounds and other contaminants by contacting the fats or oils with an adsorbing...
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6989102 |
Alginate gel based adsorbents for heavy metal removal
An alginate gel adsorbent to remove heavy metal ions according to the present invention is prepared by adding dropwisely 0.1-5 wt % alginate solution to a polyvalent cationic solution thereby...
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6896813 |
Sorbant sequestration and removal of toxic metal ions
A matrix for water decontamination has an amended sorbant cellulose substrate with an iron (ferric) oxyhydroxide component and a component to sorb dissolved organic compounds retained by the...
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6872317 |
Chelate-forming filter, process for producing the same, and method of purifying liquid using the filter
A chelate-forming filter which comprises a filter medium made of natural, regenerated, or synthetic fibers wherein the fiber molecules have, incorporated therein, chelate-forming functional groups...
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6855173 |
Use of absorbent materials to separate water from lipophilic fluid
The present invention relates to the use of absorbent materials for separating water from an emulsion comprising water and lipophilic fluid. The methods, systems, and compositions of the present...
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6849186 |
Composite particles
Buoyant, sphere-like materials on the order of about 10 to about 300 microns and surrounded, at least in part, by (1) a variable blend of a ferromagnetic and paramagnetic material and (2) an...
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6838004 |
Nanopore reactive adsorbents for the high-efficiency removal of waste species
A nanoporous reactive adsorbent incorporates a relatively small number of relatively larger reactant, e.g., metal, enzyme, etc., particles ( 10 ) forming a discontinuous or continuous phase...
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6833075 |
Process for preparing reactive compositions for fluid treatment
A method and device for filtration and/or purification of fluids water or other solutions containing microbiological and chemical contaminants, such as fluids containing metals, water treatment...
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