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| Application No. | Application Title | Issue Date |
| 20110168637 | SYSTEM AND METHOD FOR CONTROLLING MULTIPLE SIZED WATER SOFTENING TANKS A water softening system including a first treatment tank having a first water capacity, a second treatment tank in parallel with the first treatment tank and having a second water capacity that is less than the first water capacity, a flow meter connected to the first ... | 07/14/2011 |
| 20110139720 | INTERRUPTION OF MEASURED VARIABLE ANALYSES IN AN AUTOMATIC WATER SOFTENING SYSTEM WHEN DEFINED OPERATING SITUATIONS ARE PRESENT A method for operating a water softening system (1) comprising
| 06/16/2011 |
| 20110132844 | METHOD FOR IMPROVED REMOVAL OF CATIONS BY MEANS OF CHELATING RESINS The present invention relates to a method for improved removal of cations, preferably alkaline earth metals, in particular calcium and barium, from aqueous solutions using chelating resins having acetic acid and/or iminodiacetic acid groups having high dynamic absorptio... | 06/09/2011 |
| 20110120953 | WATER TREATMENT SYSTEM AND METHOD A method and apparatus for producing purified water. Treated water may be provided for domestic use wherein the water may be treated by removing selected dissolved species while retaining properties that may improve the properties or aesthetics of the water.... | 05/26/2011 |
| 20110089115 | METHODS FOR PREVENTION AND REDUCTION OF SCALE FORMATION Disclosed herein are methods of preventing or reducing scale formation or corrosion by combining at least one scale-forming fluid comprising at least one scaling compound with at least one anti-scale material chosen from at least one scale-adsorbent agent. The methods m... | 04/21/2011 |
| 20110089116 | METHOD FOR IMPROVED REMOVAL OF CATIONS BY MEANS OF CHELATING RESINS The present invention relates to a method for improved removal of cations, preferably alkaline earth metals, in particular calcium and barium, from aqueous solutions using chelating resins having aminomethylphosphonic acid groups and iminodimethylphosphonic acid groups ... | 04/21/2011 |
| 20100294717 | POST TREATMENT FOR DESALINATED AND SOFT WATER FOR BALANCED WATER COMPOSITION SUPPLY An H2S04-based calcite dissolution post-treatment process and apparatii for desalinated water are provided. The process comprises separating cations from seawater by ion exchange resin (s) (12) onto which the ions are loaded, contacting the ion exchange resin (s)... | 11/25/2010 |
| 20100294724 | SPA CALCIUM REMOVAL METHODS AND APPARATUS Strong acid cation resins used alone or in combination with zeolite-based ion exchange resins are encapsulated in various water permeable polymer fabric bags of various geometries and thicknesses to reduce the calcium hardness levels during swimming pool and spa water f... | 11/25/2010 |
| 20100288700 | POST TREATMENT OF DESALINATED AND SOFT WATER FOR BALANCED WATER COMPOSITION SUPPLY A calcite dissolution post-treatment process and apparatii for desalinated water are provided. The process comprises separating cations from seawater or brackish/seawater desalination brines by ion exchange resin(s) onto which the ions are loaded, contacting the ion exc... | 11/18/2010 |
| 20100282675 | SYSTEM AND METHOD FOR REVERSIBLE CATION-EXCHANGE DESALINATION Desalination is accomplished by subjecting feed saline water to a cation exchanger in magnesium form where sodium and scale-forming cations are at least partially exchanged for non-scale-forming magnesium ions. This ion exchange also reduces the osmotic pressure of the ... | 11/11/2010 |
| 20100059446 | MATERIAL COMPRISING POLYAZACYCLOALKANES, GRAFTED ON POLYPROPYLENE FIBRES, ITS PROCESS OF PREPARATION, AND PROCESS FOR REMOVING METAL CATIONS FROM A LIQUID Material composed of a polyazacycloalkane grafted on polypropylene fibres. Process for the preparation of this material. Process for removing metal cations present in a liquid by bringing this liquid into conta... | 03/11/2010 |
| 20100004588 | NANOCLAY SORBENTS FOR DIALYSIS Dialysis is enhanced by using nanoclay sorbents to better absorb body wastes in a flow-through system. Nanoclay sorbents, using montmorillonite, bentonite, and other clays, absorb significantly more ammonium, phosphate, and creatinine, and the like, than conventional so... | 01/07/2010 |
| 20090250397 | WATER SOFTENER WITH INTEGRATED WATER FILTRATION Systems and methods for filtering and softening water in combination are disclosed. The systems may include a water filtering system, having a water filter and a water softening system connected to the water filtering system. In addition, a controller may be connected t... | 10/08/2009 |
| 20090211983 | OPERATION OF EVAPORATIVE COOLING TOWERS WITH MINIMAL OR NO BLOWDOWN A method and composition are provided for the operation of an evaporative cooling tower with minimal, or no, blowdown. In some embodiments, the method involves using sodium cation-exchanged softened water as makeup water for the cooling tower, providing a bypass filter ... | 08/27/2009 |
| 20090101556 | REACTOR AND METHOD FOR DECALCIFYING WATER AND SIMULTANEOUS REMOVAL OF POLLUTANTS The invention relates to a reactor and a method for decalcifying water and simultaneous removal of pollutants as well as reduction of the turbidity and disinfection. Such a reactor and method are known from DE 102 47 686.1. Compared with this state of the art, the inven... | 04/23/2009 |
| 20090045136 | METHOD FOR ADSORPTION OF METAL AND AN ADSORPTION MATERIAL DIRECTED THERETO AND METHOD FOR RE-USE OF THE ADSORPTION MATERIAL The invention relates to a combined process for the adsorption of metals in a liquid and for the neutralisation of metal-containing waste acids. The adsorption material used in the process is in the form of a geological mineral containing at least one alkali metal and/o... | 02/19/2009 |
| 20090013742 | COMPOSITIONS AND METHODS FOR WASTEWATER TREATMENT Particular aspects provide a method for recovering phosphate, comprising: obtaining an effluent or wastewater, etc. having calcium-sequestered phosphate; adding to the effluent or wastewater a calcium chelating or sequestration agent suitable to chelate or sequester Ca<... | 01/15/2009 |
| 20080296230 | Method for removing a liquid from a container and device therefor Provided is a method for removing a liquid, in particular a supernatant, from a container with a sample, by creating an opening in a container with a sample consisting of solid constituents and a liquid, and subsequently centrifuging the container so as to cause the liq... | 12/04/2008 |
| 20080105621 | METHOD FOR CHEMISTRY CONTROL IN COOLING SYSTEMS A method for controlling a cooling water tower comprising: providing a cooling tower system, which includes a recirculated evaporative cooling water stream, a source of make-up water, an evaporative cooling unit, a heat exchanger, a bleed off line, and a bleed-off valve... | 05/08/2008 |
| 20080073276 | Filtering Systems and Methods Characterized by Reduced Color Throw Disclosed are water treatment systems and methods that are characterized by reduced leaching of color-bearing material (i.e., color-bearing leachates) into effluent water. The disclosed systems and methods may include or utilize filtering systems comprising selected mix... | 03/27/2008 |
| 20080053910 | Water-Softening Method This invention relates to a method of water-softening using a water-softening product and products useful in such methods. The invention describes such products and processes wherein a change to the product occurs during the water-softening process.... | 03/06/2008 |
| 20080000837 | Water-Softening Product and Process for Its Preparation and Use Thereof This invention relates to a method of water-softening using a water-softening product and products useful in such methods. The invention describes improved products and processes for their preparation wherein a water-softening composition is held between a water permeab... | 01/03/2008 |
| 20070131619 | Method and apparatus for condensate demineralization The present invention provides a multiple bed-type condensate demineralization method and apparatus for the method that are able to provide an improved treated water quality in ammonia operation by substantially reducing the cross contamination ratio during resin regene... | 06/14/2007 |
| 20070095759 | METHOD AND APPARATUS FOR TREATING WATER TO REDUCE BOILER SCALE FORMATION A process for treating water to reduce silica based compound scaling in steam generation equipment is provided, including the step of subjecting water to a cation removal process to reduce the di- and trivalent cation concentration within the water to, most preferably, ... | 05/03/2007 |
| 20060151394 | Cooling water corrosion inhibition method Methods for inhibiting corrosion in aqueous evaporative systems where soluble silica (SiO2) is maintained at residuals between 10 Mg/L and saturation, but more preferably maintained at greater than 300 mg/L as SiO2, to provide corrosion inhibiting ... | 07/13/2006 |
| 20060081538 | Water treatment system 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 pressurized water and with a water system to supply softened water to the wa... | 04/20/2006 |
| 20050056594 | Method and system for the manufacture of pharmaceutical water A method is provided for manufacturing pharmaceutical water by means of distillation and sanitizing the equipment used in said manufacturing. The method comprises the removal of suspended solids from chlorine-containing water by means of a multimedia filter, followed by... | 03/17/2005 |
