|
Match
|
Document |
Document Title |
|
|
7488424 |
Method for fluid treatment having multiple cycles
A method for fluid treatment that provides alternative regeneration cycles within the same fluid treatment device. A second alternative regeneration cycle is available within the same device, which...
|
|
|
7459087 |
Water treatment
A method of treating water to remove fluoride ions from the water, thereby to reduce the dissolved fluoride content of the water, is provided. The method includes, in a contacting step, contacting...
|
|
|
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....
|
|
|
7368059 |
Method for preferentially removing monovalent cations from contaminated water
A process and apparatus for continuously removing ions from solution in proportion to their prevalence in solution using an ion exchange media. The process comprises: (a) mixing fresh or...
|
|
|
7273555 |
Process for continuous ion exchange
A process for continuous countercurrent ion exchange comprises piping a contaminated feed stream into a closed loop ion exchange contactor. The contactor is an ion exchange bed that has three or...
|
|
|
7166460 |
Product removal process for use in a biofermentation system
This invention relates to a bioprocess engineering solution for a product removal process for use in a biofermentation. The invention discloses a process for withdrawing an aliquot of broth from a...
|
|
|
7045057 |
Preparation of homogeneously loaded ion exchangers
A process for preparing an ion-exchangeable media within a moving-bed or simulated moving-bed device, which can create a true or simulated media flow, comprising the steps of packing the bed with...
|
|
|
6979402 |
Miniature actual moving bed assembly
An apparatus is presented for separating chemicals using adsorption separation methods. The apparatus uses a plurality of adsorption units holding adsorbent, where the adsorption units positioned...
|
|
|
6908560 |
Zero brine, zero rinse water process for treatment of contaminated drinking water for removal of arsenic
An ion exchange process for removing arsenic from drinking water is disclosed which uses a mixed ion regenerant and generates minimal levels of waste.
|
|
|
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...
|
|
|
6802970 |
Fluid treating device
A fluid-treating device containing a distributing device having a revolving disc in a stationary housing, and a motor for rotating the disc. Feed and discharge pipes are connected to an end wall of...
|
|
|
6716344 |
Liquid-solids circulating fluidized bed
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...
|
|
|
6676839 |
Process for continuous chemical separation
A process for removing a solute from a fluid process stream containing said solute and containing a solvent. The process comprises (a) continuously contacting the process stream with a portion of a...
|
|
|
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...
|
|
|
6576137 |
Differential and continuous separation process with controlled paramenters for solids and liquids
By regulating separation system's relative parameters, this broad and generalized separation process is disclosed to distinguish the fundament between this invention and chromatography for superior...
|
|
|
6563010 |
Adsorbent bed loading and regeneration
The process for removing impurities from a liquid by contact with a solid adsorbent using parallel contact adsorbent beds such that when one bed is contacting the liquid the parallel bed is being...
|
|
|
6340427 |
Solution purification method for electrolyte
A solution purification method for an electrolyte comprising the steps of dividing a chelate resin having a volume corresponding to the quantity of Sb and Bi to be adsorbed into a plurality of...
|
|
|
6334956 |
Adsorption or desorption of dissolved constituents in liquids and apparatus therefor
To adsorb, on solid adsorbent particles, constituents dissolved in liquid, or to desorb (extract), from solid desorbent particles, soluble constituents in liquid, in a container a packed bed formed...
|
|
|
6319413 |
Method of filtering liquid using a vertical filter
Method of filtering liquid using a vertical filter, which includes media, an airlift, a washbox, a reject box, a filtrate chamber, and an effluent box. The method of filtration and media cleaning...
|
|
|
6200364 |
Process for eluting precious metals from activated carbon
A process is disclosed for the recovery of gold and/or silver values from activated carbon, wherein they are adsorbed as cyanide complexes. The process uses an eluant containing sugar. The process...
|
|
|
6059974 |
Water treatment process
An improved water softening process is provided which also reduces anion content. A first stream of water is passed through an anion-exchange unit to remove undesirable anions and raise the pH. The...
|
|
|
5980753 |
Process for recovering volatile acids
The present invention provides a process for recovering a volatile acid charaterized by bringing a waste liquid containing the volatile acid into contact with an amine having a boiling point of at...
|
|
|
5944905 |
Method and apparatus for performing a continuous reaction with at least one liquid phase and at least one solid catalyst in a pulsed column
A method and an apparatus for performing a continuous reaction with at least one liquid reaction phase incorporating at least one starting compound in the presence of at least one solid-phase...
|
|
|
5855790 |
Magnetic particles, a method for the preparation thereof and their use in the purification of solutions
Magnetic particles which comprise a core of a magnetic material surrounded by a mixture of a fibrous material and a solid binding agent. The particles may be embedded in a polymer resin which...
|
|
|
5772891 |
Water treating method for treating waste water by using ion exchange resin
A water treating apparatus is provided which can treat waste water for use as raw water in an ultrapure water producing system without addition of various kinds of chemicals. The apparatus includes...
|
|
|
5736052 |
Ion exchange resin particle separation system
An apparatus for continuously separating ion exchange resin particles with upwardly flowing carrier fluid. The apparatus includes a first vertically oriented separation vessel and a first...
|
|
|
5707514 |
Water treating method and apparatus treating waste water by using ion exchange resin
A water treating apparatus is provided which can treat waste water for use as raw water in an ultrapure water producing system without addition of various kinds of chemicals. The apparatus includes...
|
|
|
5698106 |
Filtration process and apparatus
It is possible to filter a suspension or emulsion in a filter bed of particulate filter medium by allowing the suspension to flow upwards through the filter bed simultaneously as the medium flows...
|
|
|
5603837 |
Separation of a multicomponent mixture into components thereof
A multicomponent mixture is separated into its components by subjecting the multicomponent mixture to a separation means to flow therein, which means comprises a plurality of columns divided into...
|
|
|
5580461 |
Process for treatment of a fluid
A continuous process for treating a fluid comprising at least one chemical contaminant. The process comprises the steps of: (i) contacting the fluid with a particulate absorbent material; (ii)...
|
|
|
5556545 |
Removal of arsenic from aqueous liquids with selected alumina
The removal of arsenic, from aqueous liquids by adsorption on alumina, is facilitated by selecting the alumina adsorbent to have a particle size below about 200 micrometers, forming a slurry of the...
|
|
|
5534153 |
Continuous fluidized-bed contactor with recycle of sorbent
A continuous fluidized-bed contactor containing sorbent particles is used to remove solutes from liquid solvents. As the sorbent particles, for example gel beads, sorb the solute, for example metal...
|
|
|
5478475 |
Fluid distribution apparatus, an artificial moving bed, and a continuous adsorption method
The artificial moving bed of this invention includes a fluid distribution apparatus consisting of an upper fluid distributor and a lower fluid distributor, and a plurality of processing chambers...
|
|
|
5405534 |
Process for separating and purifying a multicomponent mixture
A process and apparatus for continuously separating a multicomponent mixture containing at least 3 components and purifying each component in a high concentration, high purity and high recovery,...
|
|
|
5279744 |
Method for purification of an amino acid using ion exchange resin
A method for purification of an amino acid which comprises contacting an amino acid solution containing impurities with an ion exchange resin to selectively adsorb the amino acid onto the resin,...
|
|
|
5277822 |
Extraction of thermally stable contaminants from stack gas scrubbing amines
A process for the removal of thermally-stable contaminants from stack gas scrubbing amines using a continuous countercurrent ion exchange column. Amines contaminated after use in stack gas...
|
|
|
5232953 |
Method and apparatus for waste brine management in water conditioners
A water softening device is provided with a waste storage tank for receiving waste liquid, such as hard water used to draw out brine from a brine storage tank, as well as the used brine itself...
|
|
|
5212205 |
Regeneration of deep bed condensate polishers
A method for regenerating the exhausted anion and cation exchange resin in a mixed bed demineralizer which utilizes an interface tank to increase the volume of interface resin that is physically...
|
|
|
5198398 |
Method for regenerating spent activated carbon and portable container for use therein
A relatively simple and more economical method for regenerating activated carbon wherein at least partially spent activated carbon is fed from a portable container directly to a heating zone...
|
|
|
5185379 |
Method for regenerating water softener in a washing machine
A method is provided for regenerating a mass of active resin contained in a water softening device connected in the water filling circuit of a washing machine. The water softener device has an...
|
|
|
5156736 |
Simulated moving bed apparatus using a single sorbent bed for separating components from a fluid stream
An apparatus and process for concentrating a selected component from a multi-component liquid using a sorbent bed having a preferential sorption rate for the selected component. The sorbent bed is...
|
|
|
5132019 |
Method of removing corrosion products in a water circulation system
Particles of an ion exchange resin are brought into contact with water in a water circulation system in a power plant for capturing corrosion products and other impurities and are removed after...
|
|
|
5126056 |
Continuous moving bed ion exchange system
Sorbable ions are removed from aqueous compositions by the use of an apparatus and method which permits the aqueous composition to flow in an uninterrupted or continuous manner. Included is a resin...
|
|
|
5066371 |
Removal of contaminants and recovery of metals from waste solutions
A method for removal of at least one contaminant from a liquid is described, wherein a first step in liquid is introduced into a first of a plurality of liquid treatment containers and brought into...
|
|
|
5049283 |
Method for the recovery of aqueous solutions of free, neutral α-amino acids from aqueous solutions of their alkali-metal salts
Aqueous solutions of free, neutral α-amino acids are recovered from aqueous solutions of their alkali-metal salts. Two equally large rectifying columns filled with a strongly acidic cation...
|
|
|
4923616 |
Method of separating chemical components in simulated moving bed
A method of separating chemical components in a simulated-moving-bed type continuous separator comprising a series of plural packed beds filled with adsorbent for selectively adsorbing a specific...
|
|
|
4923615 |
Fluid/solid contacting columns
A liquid/solid contacting column and method of operating same is provided. The column is of the type in which a vertical series of stages is defined by vertically spaced perforated plates or trays...
|
|
|
4864012 |
Process for the removal of a solute from a solution
This invention relates to a process for removing a solute from a solution. The process comprises maintaining the solution at reflux conditions to produce a vapor which evolves from the reaction...
|
|
|
4842744 |
Method for continuous filteration of fluids
By this method, the fluid to be filtered is led through a filter bed formed of particulate filter particles, such as sand, which filter bed is retained in an upstanding annular space. The fluid is...
|
|
|
4808317 |
Process for continuous contacting of fluids and solids
A continuous contacting device is disclosed wherein a fluid stream may be contacted with particulate exchange materials. The device includes a plurality of rotating chambers filled with particulate...
|