Matches 1 - 50 out of 117 1 2 3 >
Match Document Document Title
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...
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...
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...
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...
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...
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...
6911481 Method of regenerating ion exchange resin  
A method of regenerating an ion exchange resin, comprising the steps of packing a used ion exchange resin in a regeneration tower; and repeating at least twice a step comprising passing an aqueous...
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...
6843920 Ion exchange system using U-tube principle  
This invention is a liquid separation system using ion exchange resin, adsorbent resin and catalytic resin based on U-tube principle. It is shown that relatively low fluid velocity is sufficient to...
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...
6730229 Filter screen nozzle and system for fluid processing  
A nozzle and associated system is for treating fluids is provided, particularly for a system including a reaction vessel containing a granular filter or ion exchange medium and a fluid manifold...
6544751 Methods of harvesting rare cells from blood products  
The present invention provides methods of harvesting rare cells from blood products and/or obtaining products of the rare cells. The method includes contacting a blood product containing rare cells...
6521132 Ion exchange water softener and method  
A self-regenerating ion exchange water softener has a lower tank for a resin chamber and an upper tank for a regenerative salt chamber, with an opening positioned between them, and with a...
6368510 Method and apparatus for the removal of arsenic from water  
A method and apparatus for removing arsenic from water at point of entry or point of use particularly for residential application. The point of entry system comprises a first stage having a...
6358421 Method for countercurrent regeneration of an ion exchange resin bed  
An improved method for regenerating ion exchange resin in a treatment tank having a flow direction, which includes the steps of providing a supply of regenerant under pressure into the tank, and...
6322705 Method and a device for the purification of fluids  
A water-based heating or cooling plant incorporating a filtration device and a pipeline network for bleeding water from the heating or cooling plant to the filtration device, the filtration network...
6322704 Radial-flow fluidizable filter  
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...
6001262 Cascade ion exchange for high purity water production  
A method and system for treating and purifying water on site provides a cascade series of alternating cation and anion beds with flow control controlling flow of water in a first direction to flow...
5976379 Metathetic process utilizing a cation exchanger  
Disclosed is a metathetic process of the type M'X+M"=M'Y+M"X, where M' dirs from M" and the reagents and the products are water-soluble salts, comprising the steps of (a) transferring a solution of...
5951874 Method for minimizing wastewater discharge  
Wastewater discharge, which is generated in an ion exchange regeneration system having a cation exchange bed and an anion exchange bed, is minimized by circulating a displacement rinse through a...
5893976 Method for treatment of water  
The invention is directed to a water treatment system including a treatment tank having an ion-exchange mineral bed or filter bed therein, and a valve head assembly disposed on top of and in fluid...
5792359 Sealing shoe for celless travelling bridge filter  
A backwash sealing shoe is provided for a filtration system including a tank having an undivided filtration bed and a plurality of side-by-side headers within the bed, each header in communication...
5788864 Amine heat stable salt removal from type II anion exchange resin  
A process for removing thiocyanate and other anions from Type II strong base anion exchange resins with an alkali metal hydroxide is disclosed. The process is particularly beneficial to the...
5744040 Apparatus and method for removing dissolved hydrogen sulfide from water  
An apparatus for removing dissolved hydrogen sulfide from water including an atomizing tank defining an open end. A manifold is positioned adjacent the open end. The manifold defines an inlet...
5705075 Apparatus for maintaining a stable bath for an autodeposition composition by periodically separating particular metal ions from the composition  
A system automated for providing at least periodic removal of metal ions and contaminants from a chemical bath, consists of a microprocessor programmed for controlling fluid circuits of pumps and...
5464530 Ion exchange methods and systems incorporating regenerant recycling  
An ion exchanger of the countercurrent type includes a pressure vessel for supporting a resin bed. The vessel includes a first port through which water to be treated is supplied to the vessel...
5460724 Apparatus and method for the regeneration of an ion exchanger installation  
In a regenerating ion exchanger installation with a resin container, the water, acid and/or alkaline solution pipe conduits inlets lead into a common pump inlet conduit, whereby each inlet can be...
5443650 Process for softening a sugar-containing aquesous solution, such as sugar juice or molasses  
The invention relates to a process for softening an aqueous sugar juice containing sugars and Ca 2 + and/or Mg 2 + ions, such as a sugar factory molasses by means of a cation exchange resin, in...
5387348 Method of mixed-bed filtration and demineralization with ion-exchange resins  
A method of mixed-bed filtration and demineralization for removing suspended impurities from the primary cooling water in a power plant by means of a demineralizer having a mixed bed formed of a...
5382366 Retardation installation with compressed air-diaphragm pump and stroke count device  
In a retardation installation having a container holding the adsorber material capable of accepting acid, in particular adsorber resin, and a feed for a watery acid-salt-solution, for example from...
5378370 Water treatment tank  
A water treatment tank for use in a water treatment or softening system is disclosed which is operative in a treatment mode to receive untreated water through an inlet port and to pass treated...
5348659 Countercurrent regeneration process  
A method of regenerating an ion exchanger which is used to treat a solution introduced to the ion exchanger in a downward charging direction. The ion exchanger comprises a non-constrained bed of...
5346623 Counter-current process for the rapid regeneration of ion exchange materials in an unrestrained bed  
A method of regenerating an ion exchanger which is used to treat a solution introduced to the ion exchanger in a downward changing direction. The ion exchanger contains a non-constrained bed of ion...
5296205 Multi-bed mass transfer column with mobile packing  
A packed mass transfer tower for establishing intimate gas-liquid contact and efficient mass transfer that is less susceptible to gas or liquid channeling, gas surging and uneven distribution of...
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...
5211852 Process for removal of metal ions from water  
Provided is a process for the removal of metal ions from water which comprises filtering the water through a bed or layer of granular lightburned or hardburned magnesium oxide. The use of granular...
5116510 Separation of liquid mixtures by thermal swing adsorption  
A new thermal swing adsorption process for the separation of a bulk liquid mixture into its respective components wherein a novel rinse step is employed to achieve high product recovery with a low...
5108616 Process for ion exchangers, particularly for regeneration after softening and demineralization of aqueous solutions  
The invention concerns an ion exchange process and system, particularly for the regeneration step following a softening or desalination of aqueous solutions. The regenerant solution is fed in an...
5102986 Method for carrying out organic chemical reactions and appartaus for carrying out that method  
In carrying out an organic chemical reaction, such as the synthesis of a polypetide, it is known to attach a substance to particles of pervious support material and to immerse the particles in a...
5080799 Hg removal from wastewater by regenerative adsorption  
In a method for removing mercury from a wastestream to produce an environmentally acceptable discharge, the wastestream is contacted with an effective amount of an adsorbent composition which...
5078889 Selective removal of contaminants from water sources using inorganic media  
A process using a regenerable inorganic media capable of removing contaminants by catalytic oxidation or reduction, as well as heavy metal adsorption, from well and surface water sources. The...
5069796 System for removing volatile components from water derived from wells  
A unitized system for the processing of well water that is contaminated with volatile substances, such as organic substances, at a site where the contaminated water exists. This system has the...
4938874 Tannin/lignin removal system  
An improved unit for removal of tannin and lignin from water is disclosed, which features a cylindrical tank containing a tannin/lignin-adsorbing resin bed and a distributor tube/water distributor...
4874525 Purification of fluid streams containing mercury  
Mercury is selectively removed to very low levels of concentration from fluid streams such as natural gas, cracked gas, hydrogen or naphtha by passage of the stream through an adsorbent bed...
4849111 Regenerating dynamic adsorber system and method for obtaining cleaned fluid from contaminated fluid  
A method and apparatus for a regenerating dynamic adsorber system which removes a contaminant from fluid. The system includes at least one adsorption bed having a contaminant removal capacity that...
4795563 Nitrate adsorption unit  
An improved unit for removal of nitrates from water is disclosed, which features a cylindrical tank containing a nitrate-adsorbing resin bed and a dip tube/water distributor assembly. The assembly...
4687582 Method and apparatus for operating and regenerating ion exchangers  
Process for operating and regenerating a fixed bed ion exchanger on a continuous basis without the need for moving the bed or closing down the operation during the regeneration step which comprises...
Matches 1 - 50 out of 117 1 2 3 >