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Match Document Document Title
8999172 Selective removal of dissolved substances from aqueous solutions  
A system is provided for removal of undesirable dissolved substances from solutions containing two or more dissolved substances to produce one or more new solutions suitable for beneficial use....
8882985 Perchlorate removal from concentrated salt solutions using amphoteric ion-exchange resins  
A process for reducing the concentration of perchlorate in an aqueous concentrated multi-component salt solution comprising treating the salt solution with an amphoteric ion-exchange resin to...
8808546 Hydrocarbon removal from gas process feed streams by regenerable filters  
A system and process for removing hydrocarbons from a gas process feed stream is presented. The treatment process may be, but is not limited to, glycol dehydration, amine sweetening, and MEG...
8761942 System and method for wastewater treatment  
The present disclosure is directed towards systems and methods for the treatment of wastewater. A system in accordance with one particular embodiment may include a front end system including at...
8715393 Capture of carbon dioxide (CO2) from air  
Disclosed is a method for removing carbon dioxide from a gas stream, comprising placing the gas stream in contact with a resin, wetting the resin with water, collecting water vapor and carbon...
8709259 Method for treating a variety of wastewater streams  
The present invention is a wastewater treatment method using dried BOF slag and hydrogen peroxide, wherein hydrogen peroxide is oxidized to generate hydroxyl radicals that reacts with soluble...
8679348 Filtration system for preparation of fluids for medical applications  
Systems, methods, and devices for preparation of water for various uses including blood treatment are described. In embodiments, fluid is passed either by pump or passively by gravity feed,...
8647511 Method for recovering corrosion preventive agent in electrodischarge machining liquid supply apparatus  
Disclosed is a method for recovering a corrosion preventive agent in an electrodischarge machining liquid supply apparatus. The method includes the step of passing a first electrodischarge...
8641903 Method for the preparation of reactive [18] F fluoride  
The present invention is related to a method to obtain reactive [18F] fluorides in an organic medium suitable for radiolabelling without any azeotropic evaporation step, by the use of a solid...
8591743 Portable system for on-site iodine extraction from an aqueous solution  
A portable system for extracting iodine from brine on-site is disclosed. The portable system includes a mobile platform containing a treatment unit for oxidizing iodine ions into elemental iodine,...
RE44570 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....
8497406 Preparation and conditioning of sedimentary materials  
A flexible process for the preparation and conditioning of sedimentary materials. The degree of decontamination of these dredged materials is enhanced by the use of chemical indicators. Based upon...
8372289 Method for conditioning radioactive ion exchange resins  
A method for conditioning a contaminated ion exchange resin includes mixing the contaminated ion exchange resin with water and at least partly breaking up the contaminated ion exchange resin into...
8323563 On-demand portable chlorine dioxide generator  
An on-demand portable chlorine dioxide generator has a reagent bound medium in a first enclosed volume; a complementary reagent solution in a second enclosed volume, and a structure for selecting...
8252185 Water treatment apparatus and method  
A water treatment apparatus includes a housing comprising multiple housing portions and a plurality of treatment sections disposed within the housing, each treatment section comprising at least...
8202431 Method for removing impurities from a metal deposition process solution  
A method and apparatus involving at least two distinct adsorbent media for adsorptive removal of impurities from a metal deposition composition such as an electroless or electrolytic deposition...
8197857 Method for eliminating carbon dioxide from waste gases  
A method for the elimination of carbon dioxide from waste gases includes the following steps. First, waste gases, which include carbon dioxide, are provided from a source for waste gases. Next,...
8177981 Ion exchange regeneration method  
An improved process for regenerating ion exchange resin, includes a regeneration step of displacing captured ions from the resin to regenerate its ion-capture functionality, followed by one or...
8168069 Enrichment process for a PGM-metals containing stream  
The invention provides an enrichment process for a PGM-group metals containing stream, said process including the steps of contacting activated carbon particles with a PGM-rich stream by...
8119009 Rehabilitating contaminated water treatment media with resource recovery  
Dissolved metals are removed from contaminated water by passing the water through a bed containing media bodies, preferably limestone bodies. Various contaminants carried by the water become...
8097068 Method for treating a diamine absorbent stream  
A diamine absorbent that contains heat stable salts is regenerated using an ion exchange process wherein the concentration of heat stable salts in the feed stream provided to the cation exchange...
8017018 Phosphorus removal method  
A phosphorus removal system is operable to remove phosphorus from an influent. The system includes a first section receiving the influent and discharging a first flow. A first coagulant inlet is...
7964138 On-demand portable chlorine dioxide generator  
An on-demand portable chlorine dioxide generator has a reagent bound medium in a first enclosed volume; a complementary reagent solution in a second enclosed volume, and a structure for selecting...
7901581 Chromatography method  
The present invention relates to a simulated moving bed process, wherein at least one adsorbent is washed after binding of target compound and wherein the outlet of wash liquid from the adsorbent...
7879245 Process for treating industrial effluent water with activtated media  
In a process for treating effluent water, a stream of effluent water is fed to a porous ceramic media filled reactor. Organic and inorganic impurities are absorbed and/or oxidized from the...
7850854 Method for perchlorate removal and destruction  
A method and apparatus for adsorbing perchlorate in a fluid and successively destroying it. Perchlorate in the fluid is removed by adsorption on an adsorbent in a column. The adsorbent is then...
7799227 Method for hygienic operation of an ion exchanger  
The invention relates to a method and corresponding plant for the hygienic operation of an ion exchanger, in particular, in water treatment, whereby the ion exchanger is regenerated by a...
7799228 Method for reducing natural organic fouling levels in a contaminated ion exchange resin  
A method is provided for reducing natural organic fouling levels in contaminated ion exchange resins by contacting the resins with an oxidizing agent solution.
7722773 Method of treating organic compounds in wastewater  
A treatment method of organic compounds included in waste water, comprising the steps of: supplying waste water to an adsorber 2 filled with an adsorbent 3 therein for adsorbing the organic...
7718070 Method of obtaining an organic salt or acid from an aqueous sugar stream  
A process for obtaining one or more than one salt of an organic acid(s), or organic acid(s), from an aqueous sugar stream comprising one or more than one mineral acid and the organic acid(s) is...
7713423 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....
7648637 Water treatment method by ballasted flocculation, settling, and prior adsorbent contact  
The invention relates to a method for removing impurities from an aqueous stream. The method includes directing the aqueous stream into an adsorbent contact zone and contacting the aqueous stream...
7625540 Fluorine removal by ion exchange  
A method for removing fluorine gas from a selected environment comprises contacting the fluorine gas with water to generate a solution of hydrofluoric acid and contacting the solution of...
7470413 Fluorine removal by ion exchange  
A method for removing fluorine gas from a selected environment comprises contacting the fluorine gas with water to generate a solution of hydrofluoric acid and contacting the solution of...
7459086 Method for treating water containing iron, manganese and arsenic  
A method for treating water to produce potable water is described herein. The inventive method enables the efficient removal of iron, manganese, and arsenic without the addition of powerful...
7431843 Process for the purification of silicone based solvents  
An apparatus and process for removing impurities from silicone based solvents is presented. The apparatus and process use an adsorbent for removing contaminants from the solvent, and when the...
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....
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...
7273556 Method for treating water containing manganese  
The invention concerns a method for treating water for human consumption, so as to eliminate manganese and possibly other metals comprising steps which consist in: causing said water to pass at...
7273512 Process for drying difluoromethane  
Process for drying wet F32, which comprises placing a stream of the said F32 in continuous contact with a feed stock of a composition comprising a molecular sieve chosen from a 3A type sieve, at a...
7235180 Sulfate-selective anion exchange resins for use in combination with TRSS resins in feed water treatment  
An improved system of resins comprising a combination of a sulfate-specific strongly basic anion exchange resin and a heterogenous hybrid thermally regenerable salt sorbent (TRSS) resin is...
7198108 Changing the temperature of offshore produced water  
Water that is produced during offshore hydrocarbon processing, such as hot produced water accompanying hydrocarbons taken from subsea reservoirs, or cold water resulting from heating LNG...
7153434 Methods for removing contaminants from water and silica from filter media beds  
The method for removing silicon dioxide from a contaminant-removal media bed comprises adding a scrub solution containing an acidic solution of sodium fluoride to a media bed containing silicon...
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...
6878284 Method and apparatus of treating water containing a nitrogen compound  
A method of treating water containing a nitrogen compound, and an apparatus of treating water containing a nitrogen compound at high speed without using a biologically unstable treatment causing...
6866787 Process for drying difluoromethane  
Process for drying wet F32, which comprises placing a stream of the said F32 in continuous contact with a feed stock of a composition comprising a molecular sieve chosen from a 3A type sieve, at a...
6833123 Method for liquid chromate ion and oxy-metal ions removal and stabilization  
A method for removing at least one of chromate and other oxy-metal ions from liquid solutions includes contacting the liquid solution with solid barium compounds as adsorbents so that the at least...
6827858 Method for separating alkali metal ions from alkoxylates  
Alkali metal ions are separated off from alkoxylates containing alkali metal ions by a process comprising: a) dilution of the alkali metal-containing alkoxylate with an inert solvent,b) treatment...
6790364 Process for stripping amine borane complex from an electroless plating solution  
A process for separation and environmentally benign disposal of amine borane complexes includes adsorbing amine borane complex onto a solid support, treating the adsorbed amine borane complex with...
6764603 Material for extracting hydrophobic components dissolved in water  
A method for the extraction of hydrophobic constituents, such as benzene, toluene, xylene and/or chlorinated hydrocarbons, from an aqueous solution, involving the steps of contacting said solution...

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