| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 210661000 | By passing through suspended bed | 26 |
| 20080217252 | Bacteria Deactivation Method And Apparatus - A bacteria deactivation device that has a porous medium through which water and bacteria contained in the water, like | 09-11-2008 |
| 20080272054 | Adsorption vessels - The present invention relates to a filtration unit containing pellets or granules of fine-particle iron oxides and/or iron oxyhydroxides with a large specific surface area, processes for their production and processes for their use in the filtration units. | 11-06-2008 |
| 20080302726 | Reactive Filtration - In one embodiment, a method for treating waste water includes passing ozonized waste water through a bed of moving sand. | 12-11-2008 |
| 20090057228 | SYSTEM AND METHOD OF FILTERING USING STRATIFIED ACTIVATED CARBON - A stratified bed of activated carbon having regions of functionalized and non-functionalized activated carbon can be utilized to remove contaminants from fluids such as groundwater. The functionalized region has activated carbon particles comprising a cationic or anionic compound that can remove organic or inorganic anionic or cationic compounds from the fluid to be treated. The non-functionalized region comprises powdered or granular activated carbon or adsorbent media downstream of the functionalized region and captures any leaching species or compounds from the functionalized region. | 03-05-2009 |
| 20090145846 | FLUIDIZED BED APPARATUS AND METHOD FOR REMOVING SOLUBLE AND PARTICULATE MATTER FROM A LIQUID - An apparatus and method for removing soluble and particulate matter from a liquid. The liquid is introduced into a lower section of the apparatus and develops an upward helical flow. The vertical component of the helical flow is decreased in a conical section. The liquid then passes through fluidized bed media where an interaction between the liquid and the fluidized bed media can occur. The liquid may be passed through a system that removes suspended solids. | 06-11-2009 |
| 20090242487 | MAGNETIC PARTICLE REMOVAL PROCESS - The invention provides a system and process for separating residual magnetic resin from a liquid stream by passing the stream through or over permanent magnets ( | 10-01-2009 |
| 20090321359 | NOVEL FLUID DISTRIBUTION AND COLLECTION SYSTEM IN A MULTISTAGE COLUMN COMPRISING A JET BREAKER - The present invention concerns a fluid distributor in a multistage column, each plate P of the column being divided into a certain number of panels Pa, and each panel Pa being equipped with a distributor of the invention, said distributor comprising:
| 12-31-2009 |
| 20100018928 | DEVICE FOR PERFORMING SEPARATIONS AND METHODS OF MAKING AND USING SAME - Embodiments of the present invention feature a device ( | 01-28-2010 |
| 20100101999 | NOVEL DISTRIBUTION AND COLLECTION SYSTEM IN A MULTISTAGE COLUMN FOR EQUALIZING THE RESIDENCE TIME ON EACH STAGE - The present invention consists of a device for distributing and collecting fluids at the outlet from an upstream granular bed in a multistage column having a plurality of granular beds, said device comprising a deflector, which can equalize the trajectories of the fluid stream lines from the outlet from the mixing chamber to the downstream bed of granular solid. | 04-29-2010 |
| 20100116746 | Inverse Fluidization for Purifying Fluid Streams - A method for removing a contaminant from a fluid system comprises contacting the fluid system with an inversely fluidized material, for example a particulate aerogel, thereby removing at least a portion of the contaminant from the fluid system. The method can be used to remove oil or other organic materials from wastewater streams. It can be conducted in a fluidized bed, which includes nanoporous particles and a fluidizing medium, wherein the nanoporous particles have a density lower than that of the fluidizing medium. | 05-13-2010 |
| 20100193442 | Fluidized Bed Method and Apparatus - In a fluidized bed method and apparatus for stimulating reaction between a particulate reactant material and a fluid flowing through the reactant material, the incidence of coalescing of particles of the reactant material is reduced by mixing the particulate material with a particulate abrasive. | 08-05-2010 |
| 20100258505 | PROCESS AND APPARATUS FOR SIMULATED MOVING BED SEPARATION COMPRISING BYPASS LINES IN EVERY OTHER BED AND WITH A MODULATED BYPASS FLUID FLOW RATE - A process for separating a feed F by simulated moving bed adsorption in a SMB device is described, the device comprising external bypass lines L | 10-14-2010 |
| 20110114562 | Fluid Filtration Medium - The present application relates to improved filtration of fluids. Particularly, a surfactant-treated zeolite material may be utilized for removing turbid particles from a volume of fluid, such as water. | 05-19-2011 |
| 20110168634 | PROCEDURE FOR THE PREPARATION OF CONSTANT HEIGHT CALCITE BEDS WITH TURBID WATER CONTROL - The present patent refers to a new procedure for the preparation of constant height calcite beds through the continuous dosing of calcite by gravity under water, along with the control of whatever turbid waters might be generated during use of the procedure. The procedure is characterized by the use of a structure of dosing cones that allows for the continuous dosing of calcite by gravity under water and directly onto the surface of the bed. It also incorporates a grid for supporting the dosing cones, a silo with a floor made up of these dosing cones, an inner perimetric spillway below the cone support structure, a filtering floor for the uniform distribution of water or air below the calcite bed and, finally, a turbid water collection and recirculation circuit. | 07-14-2011 |
| 20110290732 | METHOD FOR DECONTAMINATION OF A LIQUID EFFLUENT INCLUDING ONE OR MORE RADIOACTIVE CHEMICAL ELEMENTS BY TREATMENT IN A FLUIDIZED BED - The invention relates to a method for decontamination of a liquid effluent including one or more radioactive chemical elements to be eliminated including the following steps:
| 12-01-2011 |
| 20120118829 | TREATMENT OF CONTAMINATED LIQUIDS - Contaminants are removed from a quantity of contaminated liquid in a treatment reservoir ( | 05-17-2012 |
| 20120234762 | Water Purification Cartridge Using Zirconium Ion-Exchange Sorbents - A cartridge having at least one layer containing sodium zirconium phosphate and at least one layer containing a combination of acid zirconium phosphate and alkaline hydrous zirconium oxide is described. Methods of using the cartridge for water purification are also described. | 09-20-2012 |
| 20120318742 | MEDIA FOR THE REMOVAL OF HEAVY METALS AND VOLATILE BYPRODUCTS FROM DRINKING WATER - Water purification media contain an activated carbon having at least one of specific a particle size, surface area, and porosity; and a microcrystalline and/or amorphous titanosilicate at least partially coating the activated carbon. Methods of making the media of microcrystalline and/or amorphous titanosilicate coated activated carbon involve contacting activated carbon with titanosilicate precursors. Methods of purifying water involve contacting water containing both heavy metals and volatile byproducts with the media. | 12-20-2012 |
| 20130001166 | NOVEL FLUID DISTRIBUTION AND COLLECTION SYSTEM IN A MULTISTAGE COLUMN COMPRISING A JET BREAKER - The present invention concerns a fluid distributor in a multistage column, each plate P of the column being divided into a certain number of panels Pa, and each panel Pa being equipped with a distributor of the invention, said distributor comprising:
| 01-03-2013 |
| 20130228521 | PRECIPITATED SILICA SORBENTS - The present invention is directed to a separation medium comprising rotary dried or spray dried precipitated silica. The silica has a pore surface area P wherein log | 09-05-2013 |
| 20130341278 | 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. In one embodiment, regenerating the reactive filter media comprises mixing metal granules with the filter media and agitating the mixture. In another embodiment, regenerating the reactive filter media comprises introducing a metal in the fluid flowing through the filter media and agitating the filter media. In one embodiment, a method for removing phosphorus, arsenic or a heavy metal from water includes introducing a metal salt reagent into the water at a molar ratio of 5:1 to 200:1 to the phosphorous or the arsenic in the water and passing the water through a bed of moving sand. | 12-26-2013 |
| 20140263069 | WATER TREATMENT DEVICE AND METHOD FOR RINSING BRINE FROM A TREATMENT MEDIUM - A fluid treatment device includes a tank containing a fluid treatment media and a fluid. A distributor plate is received in the tank and separates the bed from a lower end of the tank. The lower end of the tank is filled with an inert media. The inert media may be granular and in the form of gravel or polypropylene or polyethylene beads. The inert media is configured to force a rising fluid delivered to the lower end of the tank upwardly to the distributor plate at an increased velocity to thereby improve the rinsing performance of the rinsing fluid. | 09-18-2014 |
| 20140291247 | METHODS FOR HYDRODYNAMIC CONTROL OF A CONTINUOUS WATER PURIFICATION SYSTEM - Methods and apparatus for removing contaminants from liquid using a continuously circulating stream of purifying media are disclosed. In one embodiment the method includes mixing a regenerated purifying media with a contaminated liquid containing diverse contaminants; co-currently transporting the purifying media and the contaminated liquid in a mixed state; removing, using the purifying media, while co-currently transporting the purifying media and the contaminated liquid, contaminants from the contaminated liquid so as to produce a mixture of a decontaminated liquid and a contaminated purifying media; and separating contaminated purifying media from the decontaminated liquid. In addition, the contaminated purifying media is contacted in counter current fashion with a regenerant solution so as to produce a regenerated purifying media and the regenerated purifying media is returned to the mixing step, whereby the continuously circulating purifying media selectively removes contaminants from the liquid. | 10-02-2014 |
| 20160137532 | ION-EXCHANGE PURIFICATION METHOD AND APPARATUS - An ion-exchange water purification method and system. Feed water is exposed in countercurrent to active media in a vessel, resulting in treated water and spent media. The treated water flows upwards in the vessel and is recovered. The spent media flows to a regeneration zone of the vessel below the active media and is exposed to a regenerant in the regeneration zone, resulting in regenerated media and spent regenerant. The regenerated media flows to a point above the active media and from the point above the active media toward the active media while treated water flows upwards in countercurrent from the active media toward the regenerated media, rinsing the regenerated media and resulting in rinsed media and rinse water. The rinsed media flows to the active media and is combined with the active media. | 05-19-2016 |
| 20160375433 | INORGANIC MATERIAL FOR REMOVING HARMFUL SUBSTANCE FROM WASTEWATER AND METHOD OF PREPARING THE SAME, AND METHOD FOR WASTEWATER TREATMENT - An inorganic material for removing a harmful substance from wastewater is provided. The inorganic material includes a plurality of porous silicate particles having a glass phase structure, wherein the plurality of porous silicate particles include silicon dioxide, aluminum oxide, barium oxide, cesium oxide, and boron oxide, and have a zeta potential of a negative value at pH of from 1 to 5, and wherein the average pore diameter of the porous silicate particles is in a range of from 3 to 50 nm. Moreover, a method for preparing an inorganic material for removing a harmful substance from wastewater and a method for wastewater treatment are further provided. | 12-29-2016 |
| 20170233263 | WASTEWATER TREATMENT SYSTEMS AND METHODS | 08-17-2017 |
