| Document |
Document Title |
|
WO/1999/019053A1 |
The present invention provides methods and devices for producing a subassembly for devices designed to receive particulate matter in a compartment of predetermined shape.
|
|
WO/1999/012628A1 |
A filter cartridge (10) containing resin beads (140) for purifying fluids such as water and chemicals has a cylindrical housing (5) with an interior compartment containing a fixed septum (150) and a moveable piston-like septum (130). The...
|
|
WO/1999/008768A1 |
The invention is directed to purification of liquids, such as drinking water using filters, wherein filtration is effected while the liquid flows upwardly. The invention includes both the method and a device enabling the method to be car...
|
|
WO/1999/006132A1 |
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 from granular material is mixed with ad...
|
|
WO/1999/003582A1 |
An electrochemical ion exchange cell comprises a metal carbollide as ion exchange material. The carbollide is preferably a polynuclear cobalt dicarbollide and is typically substituted by chlorine. Also novel are polynuclear metal carboll...
|
|
WO/1999/000192A1 |
The present invention relates to a fresh air filter that comprises a highly air-permissive two- or three-dimensional support made of a cross-linked polymeric foam which includes pores of large dimensions. The support comprises joining po...
|
|
WO/1999/000331A1 |
A liquid treating mechanism (10) may easily be snapped onto the neck (12) of a single orifice bottle (11). An end cap (17) is connected to a first tube (14) of the liquid treatment mechanism (10), the liquid treatment element (23), such ...
|
|
WO/1998/058727A1 |
The invention provides the continuous, integrated methods and devices for substantially removing ionized and ionizable carbon compounds from an aqueous stream by firt deionization step to produce a first product stream, ionizing nonioniz...
|
|
WO/1998/056504A1 |
A process based on ion exchange with separated beds is disclosed for the deionization of substances that are not stable in the presence of strongly acidic cation exchangers, wherein the solution to be deionized is contacted with a first ...
|
|
WO/1998/055219A1 |
An inorganic polymer electret in a colloidal state, for example silica, is generated by utilizing a magnetic field gradient through which the materials are passed. Referring to Figure 7, materials (5), aqueous sodium silicate and NaOH pl...
|
|
WO/1998/054086A1 |
The invention concerns a method for preparing an ultrapure hydrogen peroxide solution, characterised in that it includes at least a sequence which involves successively passing the solution to be purified on at least a bed of cation-exch...
|
|
WO/1998/054088A1 |
The invention concerns a method for preparing an ultrapure hydrogen peroxide solution characterised in that it comprises at least one sequence which involves successively passing the solution to be purified on at least a bed of ion-excha...
|
|
WO/1998/051621A1 |
A method of treating an ion exchange material, the method including: (a) positioning at least two regions of ion exchange material between an anode and cathode electrode, wherein at least a portion of the two regions being in electrical ...
|
|
WO/1998/051620A1 |
Method and apparatus for purifying a liquid stream comprising at least two ion exchange material beds (17, 18), one of anion exchange material and the second of cation exchange material. The beds (17, 18) are connected at at least one po...
|
|
WO/1998/045017A1 |
Improved systems and methods for removing contaminants from a contaminated stream are provided that include descending, via gravity, a packed bed (12B) through a contaminated stream (22) and adsorbing the contaminants thereon. The now co...
|
|
WO/1998/043718A1 |
The invention relates to a method for exchanging materials between two liquid phases in two interconnected contact chambers by means of an exchange medium which is brought into contact with the liquid extraction phase in the first chambe...
|
|
WO/1998/041674A1 |
The invention provides a method and processing system (10) for removing both anionic and cationic technetium complexes from an aqueous solution by adjusting the pH of the solution to greater than approximately 2, and directing the soluti...
|
|
WO/1998/036830A1 |
Disclosed are formed composite material compositions suitable for use in the removal of heavy metals from aqueous systems, a process for preparing said composite materials and a process for the removal of heavy metals using said composit...
|
|
WO/1998/036831A1 |
Disclosed are formed composite material compositions suitable for use in the removal of heavy metals from aqueous systems, a process for preparing said composite materials and a process for the removal of heavy metals using said composit...
|
|
WO/1998/033572A1 |
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 substance, characterized in that the str...
|
|
WO/1998/032525A1 |
An electrochemical cell (20) for removing ions from a solution stream comprises a housing (25) having first (40) and second (45) electrodes. At least one water-splitting ion exchange membrane (100) is positioned between the electrodes, t...
|
|
WO/1998/032011A1 |
A method and apparatus for generating high quality acid or base in an aqueous stream for use in analysis, particularly, for use as an ion chromatography eluent. Water (10) is supplied to an ion exchange bed (14) where an electrical poten...
|
|
WO/1998/026851A1 |
The invention relates to a system, process and apparatus for separating biosorbent and sorbate. Biomass enclosed within a membrane system is coupled to an electrode, which is capable of being placed in contact with the sorbate containing...
|
|
WO/1998/025682A1 |
A method of monitoring the removal by a filter medium of a target substance from a liquid passing through the filter medium. The method involves: providing an indicator means; providing a filter medium having a plurality of binding sites...
|
|
WO/1998/023375A1 |
The invention provides a method and an apparatus for altering the pH of a solution composition. The pH altering apparatus has a container body having a solution retaining chamber and an outlet, and a pH changing device having a modified ...
|
|
WO/1998/022203A1 |
Ion exhcange sea water de-salination method utilising a regeneration process which is effected electrolytically and continously whilst the resin unit is still purifying the salt water, in which electrolytic process the released sodium, c...
|
|
WO/1998/020972A1 |
An improved electrodeionization apparatus and method are provided. The electrodeionization apparatus includes an ion-concentrating compartment, an ion-depleting compartment, and electrolyte compartments, wherein alternating layers of ani...
|
|
WO/1998/020573A1 |
Disclosed is a highly conductive polymer electrolyte membrane and a process for producing it. This invention also describes batteries which employ the polymer electrolyte membrane of this invention.
|
|
WO/1998/011987A1 |
An improved electrodeionization apparatus and method are provided. The electrodeionization apparatus includes electrolyte compartments, ion-concentrating, and ion-depleting compartments, having electroactive media therein. The electroact...
|
|
WO/1998/004348A1 |
A filter sheet is provided which comprises a self-supporting fibrous matrix having immobilized therein particulate filter aid and particulate ion exchange resin, wherein said particulate filter aid and particulate ion exchange resin are ...
|
|
WO/1998/001223A1 |
A hand-held water demineralizing sprayer (10) comprising a body having a spray nozzle (16) at the discharge end, a water demineralization resin bed (20) within the sprayer and a first chamber (50) for introduction of water into the resin...
|
|
WO/1997/048490A1 |
The invention is concerning a method for removing residual water from a container which contains ion exchanger resin and is provided with supply and discharge pipes for ion-containing water and de-ionized water respectively which contain...
|
|
WO/1997/047560A1 |
The invention relates to a liquid-permeable, three-dimensional electrode and an electrochemical cell suitable for performing electrochemical reactions. The arrangement can be used for oxygen removal from water or aqueous solutions. The c...
|
|
WO/1997/047379A1 |
A solids separation and solids flow control device particularly suitable for use in apparatuses, devices and equipment for continuously contacting a solid with a liquid, especially fluidised-bed and moving-bed columns (1), is disclosed. ...
|
|
WO/1997/046492A1 |
A conventional process for producing deionized water by the electrical deionization technique using an electrical deionization apparatus provided with desalting chambers and concentration chambers arranged alternately is problematic in t...
|
|
WO/1997/046491A1 |
A conventional process for producing deionized water by the electrical deionization technique using an electrical deionization apparatus provided with desalting chambers and concentration chambers arranged alternately is problematic in t...
|
|
WO/1997/046490A1 |
Metal salts are removed from solution in an electrolyte by subjecting the solution to electrolysis in a cell (102) having an anode (118) that has an anion exchange membrane (124) closely associated therewith which sequesters the anion of...
|
|
WO/1997/041071A1 |
Other physical forms and additives for the modified ion exchange material (16) can be used in the packed bed electrolytic reactor (10), including powdered ion exchange materials (16) and solid membranes containing the modified ion exchan...
|
|
WO/1997/040938A1 |
The invention relates to a process in which the ion exchange material is subjected at a pressure of 1.3 to 4.0 bar to an acoustic ultrasound oscillation of a frequency of 15-60 kHz at an intensity of at least 3.5 watt/cm2. A device is us...
|
|
WO/1997/034696A1 |
An apparatus for producing deionized water consisting essentially of an electrodialyzer having cation exchange membranes and anion exchange membranes alternately arranged between a cathode and an anode to form demineralizing compartments...
|
|
WO/1997/034832A1 |
The invention relates to a water treatment device for treatment of drinking water from mains water. At least the interior of the housing of said device is cylindrical. Said housing comprises sections arranged on top of each other through...
|
|
WO/1997/031864A1 |
Anion-exchange compositions are provided comprising anion-exchange functional groups comprising at least a first and a second nitrogen group, wherein the first nitrogen group is a quaternary amine and the second nitrogen group is selecte...
|
|
WO/1997/028878A1 |
A filter cartridge housing is disclosed that includes a first layer (62) and a second layer (64). The first layer is selected to be non-reactive with the fluid being filtered. Preferred materials for the first layer include pure polyprop...
|
|
WO/1997/028898A1 |
The present invention is an improved method for incorporating a functionalized surface agent into a porous polymer support structure and improved, novel articles made by this method. The present invention is particularly applicable to th...
|
|
WO/1997/028889A1 |
A modular system for the demineralization of aqueous liquids comprising a plurality of modular units for the demineralization of liquids, each of the modular units being encapsulated and having a cathode proximate a first end of the modu...
|
|
WO/1997/028090A1 |
Filter for purification of drinking water is designed for purification of both natural and tap water from chemical contaminants employing sorption methods based on using a mixture of strongly alkaline carboxyl catex in the form of H+ who...
|
|
WO/1997/026065A1 |
Processes for the removal of ions and minerals from water using separate beds of weakly acidic cation exchange resins (Ia, IIa, IIIa, IVa, Va) and weakly basic anion exchange resins (Ib, IIb, IIIb, IVb, Vb) connected in series are disclo...
|
|
WO/1997/025147A1 |
An electrodeionization apparatus adapted to remove ions from a liquid, the apparatus having a cathode proximate a first end of the apparatus and an anode proximate the opposite end of the apparatus and having a plurality of alternating d...
|
|
WO/1997/018503A1 |
A device for the amperometric adjustment of an ion concentration in solution has at least three chamber-like electrolyte regions, each of which has a control electrode and diffusion-inhibiting means and can be filled with electrolytes. A...
|
|
WO/1997/013568A1 |
A foul-resistant, flow-through capacitor, a system employing the capacitor and a method of separation is disclosed wherein the capacitor has at least one anode and cathode electrode pair (1). The electrodes (1) are formed of high surface...
|
