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7540965 |
Process for treating concentrated salt solutions containing DOC
A process for removing DOC (dissolved organic carbon) from a concentrated salt solution containing DOC by contacting the salt solution with a coagulant/flocculant such that the DOC becomes...
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7537702 |
Water purification system and modes of operation
A water purification system comprising a thermal hydrolysis catalytic reactor, an adsorbent media bed and a reverse osmosis unit is provided. The water purification system may provide potable water...
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7520994 |
Method to remove agent from liquid phase
A system and method to remove a polluting agent or contaminant, including but not limited to mercury, from the liquid phase of a process system using an adsorbent. In one exemplary embodiment, a...
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7491335 |
Removal of arsenic from water with oxidized metal coated pumice
The current invention is concerned with methods and compositions for the removal of arsenic contamination from water. A method for binding As to oxidized metal coated pumice and method for making...
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7465397 |
Process for removing protein aggregates and virus from a protein solution
A process is provided for selectively removing protein aggregates from a protein solution in a normal flow (NFF) filtration process. Preferably, it relates to a process for selectively removing...
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7422691 |
Method and apparatus for the demineralization of water
The present invention relates to a method for the demineralization of water using a combination of a monodisperse cation filter operated as a lift bed and a monodisperse anion filter operated in...
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7419817 |
Scalable purification of AAV2, AAV4 or AAV5 using ion-exchange chromatography
The present invention provides methods of purifying adeno-associated virus (AAV) particles. These AAV particles include AAV2, AAV4 and AAV5 particles. The present invention also provides AAV...
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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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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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7329354 |
Purification of organic solvent fluids
A chemical distribution system having improved organic solvent fluid purity and consistency includes a vessel containing ion-exchange media positioned within a fluid flow pathway such that the...
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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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7326347 |
Dynamic up-flow zeolite system and method
Systems and methods are provided for the removal of a contaminate from an aqueous medium using a zeolite-based sorption column. The systems and methods include an optimized relationship between the...
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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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7229559 |
Dual-action decontamination method
Hydrophobic polymer particles (e.g., granules or fragments) employed as filter media, e.g., for filtering runoff water, include an antimicrobial compound on exterior surfaces and can reduce...
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7226535 |
Bed adsorption system
The invention relates to a method of distributing a liquid in the fluid bed of an up-flow or a down-flow fluid bed reactor. The invention provides efficient distribution and plug flow like fluid...
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7220596 |
Real time detection of antigens
Antigens can be captured and detected from complex samples, such as food and environmental samples, in about 30 minutes using apparatus and methods that include flow of the samples through a module...
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7217366 |
Purification of ammonium metallate solutions
A process for reducing the content of alkali metal impurities (e.g., potassium) in ammonium metallate solutions is described. The process involves subjecting a feed solution containing ammonium...
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7211605 |
Super-hydrophobic fluorine containing aerogels
An aerogel material with surfaces containing fluorine atoms which exhibits exceptional hydrophobicity, or the ability to repel liquid water. Hydrophobic aerogels are efficient absorbers of solvents...
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7198896 |
Immunoaffinity isolation of modified peptides from complex mixtures
The invention provides methods for isolating a modified peptide from a complex mixture of peptides, the method comprising the steps of: (a) obtaining a proteinaceous preparation from an organism,...
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7198723 |
Method using super absorbent polymers for dehydration of oil
Water is separated from an emulsion of water and oil by passing the emulsion through a bed of superabsorbent polymer granules which break the emulsion and absorb water from the mixture of water and...
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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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7097770 |
Separation of plant oil triglyceride mixtures by solid bed adsorption
A solid bed adsorptive process for separating a seed oil into two substantially pure triglyceride fractions. The process involves contacting a seed oil, such as castor oil, preferably as a...
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7041222 |
Process for the removal of toxic metals from water
A process for the selective removal of toxic heavy metals from a flowing stream of water involves causing the stream to flow through a stationary bed of particulate polymer having amine functional...
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7030248 |
Isolation of natural L-β-3-indolylalanine and enrichment of natural aliphatic amino acid mixtures with natural L-β-3-indolylalanine
Processes for extracting amino acids from mixtures of amino acids, and compositions and mixtures formed therefrom. Applications include isolating natural L-β-3-indolylalanine (L-β-3) and...
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6987183 |
Method for recovering products
The present invention is directed to a method comprising a multistep process for recovering one or more monosaccharides from a solution containing at least two monosaccharides selected from the...
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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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6887386 |
Method for recovering ionic products
A continuous Liquid-Solids Circulating Fluidized Bed (LSCFB) preferably for use as an ion exchanger consists of two fluidized bed columns, a fluidized bed adsorber (downer) operating in...
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6881761 |
Porous polymer particle, anion exchanger, producing method thereof, column for ion chromatography, and method for measuring anions
Disclosed are (1) a porous polymer particle comprising a polymer substrate having ester bonds connected to a group containing a quaternary ammonium structure through a spacer molecule, (2) an...
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6852232 |
Down flow radial flow filter
A method of coacting a fluid with a media, such as granular particles. The media is moved to an upper portion in an upright media container, and held there during a treatment cycle in which the...
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6830694 |
Method for separating components from liquid and gaseous media with nanocomposites
Components are separated from liquid or gaseous media with the aid of a nanocomposite comprising nanoparticles in a matrix, wherein the liquid or gaseous medium is brought into contact with the...
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6805800 |
Method for recovering pigments from algal cultures
A method and apparatus ( 101 ) for the recovery of fat soluble compounds, such as beta carotene, is described. In one embodiment of the invention a solution ( 102 ) containing a fat soluble...
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6797175 |
Device for injecting a diverted fluid into a simulated moving bed separation process
A device and process for injecting a diverted fluid into a simulated moving bed comprises a vessel containing beds of adsorbant Ai separated by plates Pi for distributing and extracting fluids,...
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6786336 |
Composite biosorbent for treatment of waste aqueous system(s) containing heavy metals
A biosorbent composition, process of preparing and use thereof wherein the biosorbent composition comprises a chitosan-coated substrate. Useful substrates include support materials such as a...
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6746608 |
Use of adsorbent polymer particles in DNA separation
The invention is directed to fluorinated particles having adsorbent properties for superior performance as the stationary phase for use in chromatographic separations. In particular, the...
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6736976 |
Fluid treatment process
A fluid treatment device for reducing the level of a chemical compound in a fluid. The device comprises: a fluid inlet; a fluid outlet; a flow-through fluid treatment zone having comprising: a...
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6685838 |
Keratin protein adsorption of heavy metals
A method of removing both Sr and Cs from an alkaline solution having a pH between about 9 to 14 includes providing a keratin protein from essentially a fiber portion separated from a quill portion...
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6670309 |
Method and apparatus for preparing fluorine-based solvent
In preparing a purified fluorine-based solvent from a fluorine-based solution comprising a lubricant based on a fluororesin having an organic terminal group and a fluorocarbon-based solvent,...
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6669849 |
Water treatment process
The present invention relates to water treatment, in particular to a process for the removal of dissolved organic carbon from water. The process includes the following steps, adding an ion-exchange...
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6623644 |
Polyamide ligand-containing polymeric resins and methods of using the same for removing, separating and/or concentrating desired metal ions from solutions
The present invention is drawn to polyamide ligand-containing polymeric resins and methods of using the same for removing, separating, and/or concentrating certain desired metal ions from...
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6602502 |
Methods and devices for removing species
Immunoassays of psychoactive drugs including psychotomimetic drugs, narcotic drugs, and tetrahydrocannabinols and treatment methods based on the antigenic properties of protein conjugates of these...
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6566145 |
Disposable pipette extraction
The present invention is a disposable apparatus for the rapid, low-volume solid phase extraction of analytes from a variety of sources. The apparatus of the present invention is configured as a...
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6537456 |
Method and apparatus for high efficiency reverse osmosis operation
A process for treatment of water via membrane separation to remove hardness and non-hydroxide alkalinity by simultaneous removal in a weak acid cation exchange resin. The process includes...
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6531267 |
Process for producing acid sensitive liquid composition containing a carbonate
Disclosed is a method for producing an acid sensitive liquid composition. The method involves passing an acid sensitive liquid composition containing a carbonate represented by the formula...
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6508939 |
Mixed bed type sugar solution refining system and regeneration method for such apparatus
By passing an alkali regenerating agent A through a basic anion exchange resin ( 3 ), and through a strongly acidic cation exchange resin ( 4 ), the basic anion exchange resin can be regenerated...
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6488859 |
Bifunctional phenyl monophosphonic/sulfonic acid ion exchange resin and process for using the same
A cross-linked water-insoluble ion exchange resin comprised of polymerized monomers having a phenyl ring is disclosed. A contemplated resin contains (i) polymerized phenyl ring-containing monomers...
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6461858 |
Enzyme activated supports for enantiomeric separations
An enzyme is immobilized on a solid support and can react selectively with one enantiomer in an enantiomeric mixture. A methods of using the enzyme immobilized solid support in conjunct with a...
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6444150 |
Method of filling a microchannel separation column
A method for packing a stationary phase into a small diameter fluid passageway or flow channel. Capillary action is employed to distribute a stationary phase uniformly along both the length and...
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6436293 |
Water softener device for reducing water hardness having a resins exhaustion sensor and manufacturing method thereof
A device for reducing water hardness suitable for the use in a household washing machine, in particular a dishwasher, comprising a container within which ionic exchange resins are housed, which...
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6428707 |
Adsorption/separation method and a medium for adsorption/separation
A method for adsorption of a substance from a liquid sample on a fluidized bead or stirred suspension, in which the beads used comprise a base matrix and exhibit a structure having affinity to the...
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6416672 |
Removal of dissolved and colloidal silica
Small amorphous silica particles are used to provide a relatively large surface area upon which silica will preferentially adsorb, thereby preventing or substantially reducing scaling caused by...
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