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7410588 |
Aqueous waste processing method
A process for purifying a liquid from a dissolved solute includes the exposure of the liquid to a material absorbing the liquid in preference to the dissolved solute. The dissolved solute is...
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7407581 |
Biodegradation of oxyanions such as perchlorate on ion exchange resins
Improved systems and methods for removing the load of perchlorate and other oxyanions off of ion exchange resins through bioregeneration are disclosed. The improved systems and methods rely upon...
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7393380 |
Method of guaranteeing at least one characteristic of a fluid used for producing food products
A method for guaranteeing at least one characteristic of a fluid used for producing food products. This method utilizes a system for piping and delivering the fluid, combined with means for...
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7390413 |
Water softener system and method
a water softening system includes a water softening resin tank, an anion resin tank in flow communication with the water softening resin tank, an in-line water heater in flow communication with the...
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7377959 |
Process and apparatus for decomposition treatment of volatile chlorinated organic compound
A large amount of a medium containing a volatile chlorinated organic compound (VOC) with a low concentration is passed through an adsorber filled with an adsorbent which adsorb and desorb the VOC...
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7361281 |
High efficiency ion exchange system and method for removing chromium from water
The disclosed invention is a fixed bed ion exchange water purification system. It employs a combination of electronically controlled process steps and specific systems configurations to duplicate...
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7326348 |
Method for removal and destruction of ammonia from an aqueous medium
Methods and apparatuses are provided for the removal and destruction of ammonia from an aqueous medium. The methods and apparatuses include the removal of ammonia from an aqueous medium by contact...
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7314568 |
Water conditioning system
A multi-stage water conditioning system is structured for conditioning a flow of influent water passing through the conditioning system by removing one or more cations including sodium, iron,...
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7311843 |
Bio degradation of oxyanions such as perchlorate on ion exchange resins
Systems and methods for removing perchlorate load off of ion exchange resins are disclosed. The systems and methods rely upon direct contact between the resin and a liquid product formed by the...
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7311842 |
Lignocellulose-based anion-adsorbing medium (LAM) and process for making and using same for the selective removal of phosphate and arsenic anionic contaminants from aqueous solutions
A lignocellulose-based anion-adsorbing medium (LAM) and process for making and using same for selectively removing phosphates and arsenic contaminants from aqueous solutions is disclosed. Making...
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7311835 |
Method for supplying oxygen to a water purification process
The present invention relates to a method for supplying oxygen to a water purification process, said method comprising providing an oxygen carrier of at least one copolymer of dimethylsiloxane,...
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7294275 |
Method of removing phosphorus from wastewater
A method of and system for removing phosphorus from wastewater using a waste sludge that has a high affinity for phosphorus. So the waste sludge can be used in a flow-through contact reactor to...
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7291272 |
Inorganic contaminant removal from water
A method is provided for removing an inorganic ionic species or organometallic ion contaminant, or combination contaminants, including such as arsenic, chromium, bromide, bromate, perchlorate,...
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7291271 |
Meso-frequency traveling wave electro-kinetic continuous adsorption system
The invention provides a non-cyclic, meso-frequency traveling wave electro-kinetic system capable of use in purification/separation and/or refrigeration/heat pump processes. In particular, the...
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7285220 |
Water softener
Disclosed is a water softener capable of producing soft water at various temperatures and facilitating the regeneration of an ion exchange resin thereof. The water softener includes a water...
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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...
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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...
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7264732 |
Continuous ammonium removal systems
A continuous ammonium removal system comprising generally an ion-exchange medium, a brine source, and an oxidative reactor. The reactor can operate with ozone as an oxidant and bromide as an...
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7261819 |
Water treatment method
A water treatment system for removing hard ions from source water. The water treatment system is of the type that includes a pair of ion-exchange water softener tanks connectable to a source of...
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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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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...
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7235179 |
Method for removing arsenic from water
The present invention relates to methods for the rejuvenation of cupric oxide having adsorbed arsenic from arsenic contaminated water. The rejuvenated cupric oxide may be recycled to again react...
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7186344 |
Membrane based fluid treatment systems
A process for removing soluble and insoluble inorganic, organic, and microbiological contaminants from a fluid stream employing a pretreatment module, a post-treatment module, a recycle stream...
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7186328 |
Process for the regeneration of an adsorbent bed containing sulfur oxidated compounds
A process for the cyclical regeneration of an adsorbent bed containing sulfur-oxidated compounds. The adsorbent bed is used to adsorb and separate sulfur-oxidated compounds from a hydrocarbonaceous...
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7157005 |
Regenerant reuse
The invention provides a method for recycling the waste regenerant from softeners. The method includes passing a high concentration of monovalent ionic halide salt through a resin bed. The high...
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7157001 |
Carbon filtration process and apparatus for removing PCB's and other compounds from wastewater
Process and apparatus for treating wastewater from a sewer system including the steps of: (A) removing solids contained in the influent to create solids-depleted preliminary effluent (PrE) and to...
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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...
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7147782 |
Method and apparatus for metal removal by ion exchange
The present invention provides a method for selectively removing metal ions of interest from a solution ( 12 ), such as the wastewater from a chemical mechanical polishing process. The method...
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7144510 |
Method and apparatus for treatment of a fluid stream
A method for treating a fluid by providing a raw fluid to a process tank. The raw fluid may be water having varying degrees of contamination or another type of fluid. The method further consists of...
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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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7132052 |
System for the purification and reuse of spent brine in a water softener
System and method for purifying and recycling spent brine in a water softener are provided. The system may be made up of a cation exchange resin tank fluidly coupled for passing spent brine...
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7097772 |
Method of purifying a waste stream using a microporous composition
The invention is directed to open-framework and microporous solids well suited for use in catalysis and ion exchange. The microporous solids are constructed by using a salt template which can be...
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7090774 |
Method for packed column separations and purifications
The invention encompasses a method of packing and unpacking a column chamber. A mixture of a fluid and a matrix material are introduced through a column chamber inlet so that the matrix material is...
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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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7048857 |
Method and apparatus for metal removal ion exchange
The present invention provides a method for selectively removing metal ions of interest from a solution ( 12 ), such as the wastewater from a chemical mechanical polishing process. The method...
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7041223 |
High efficiency ion exchanges system for removing contaminants from water
The disclosed invention is a fixed bed ion exchange water purification system. It employs a combination of electronically controlled process steps and specific systems configurations to duplicate...
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7025884 |
Method and apparatus for treatment of a fluid system
A method for treating a fluid by providing raw fluid to a process tank, adding an ion exchange resin to the process tank to form a raw fluid/ion exchange resin mixture, removing treated fluid from...
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7018541 |
Removal of fluorinated surfactants from waste water
The present invention provides a method of removing a fluorinated surfactant from waste water comprising fluoropolymer particles. The method comprises (i) adding a non-fluorinated surfactant to the...
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6991732 |
Process for the recovery of fluorosurfactants by active charcoal
The present invention relates to a process for the recovery of a fluorosurfactant present in an aqueous solution, in a gaseous effluent or in both involving a) obtaining an aqueous solution or...
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6972327 |
Regeneration of chromatography material
The invention provides improved methods of regenerating and using affinity chromatography material, in particular Protein A affinity chromatography resins.
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6972095 |
Magnetic molecules: a process utilizing functionalized magnetic ferritins for the selective removal of contaminants from solution by magnetic filtration
A decontamination system uses magnetic molecules having ferritin cores to selectively remove target contaminant ions from a solution. The magnetic molecules are based upon a ferritin protein...
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6972091 |
Ion exchange resin plant
An ion exchange resin plant for the demineralizing or softening water with an arrangement that allows the plant to operate continuously. The plant tank is divided into to two separate compartments...
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6960301 |
Leachate and wastewater remediation system
A compact portable modular wastewater treatment system which integrates several processing technologies to provide a substantially purified water source. A wastewater stream is sent through an...
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6942805 |
Sugar juice decolorization by means of mondisperse anion exchangers
The present invention relates to a process for decolorizing sugar juices by means of monodisperse ion exchangers, preferably anion exchangers, and the use of the same for sugar juice decolorization.
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6926835 |
Water softening device
Sampling pipes 21 and 22 are inserted, separated from outlet openings, into first and second water softeners 4 and 11 . Raw water flows through first water softener 4 , and raw water does...
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6919030 |
Process for recovering cyanide from copper-containing feed material
A process for recovering cyanide from feed material containing cyanide and copper involves the steps of: (a) contacting the feed material with a strong base anion exchange resin whereby copper and...
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6916919 |
Isolation of DNA molecules
The present invention relates to a process for separating nucleic acid molecules, preferably open circular and supercoiled plasmid DNA and RNA molecules from each other, comprising the steps of...
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