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| Application No. | Application Title | Issue Date |
| 20120031849 | AERATED REACTOR APPARATUS AND METHODS A reaction tank useful for precipitating struvite from aqueous solutions such as wastewater comprises an aeration system. The aeration system includes air diffusers in the reaction tank. The air diffusers are located at a level below an outlet of the reaction tank. The ... | 02/09/2012 |
| 20120006755 | PROCESS FOR TREATMENT OF WATER CONTAINING AZOLE-TYPE ANTICORROSIVE FOR COPPER Provided is a process for efficiently removing an azole-type anticorrosive for copper from water containing the azole-type anticorrosive for copper, such as wastewater discharged from a CMP step in a fabrication process of a semiconductor device. Ferrous ions are added ... | 01/12/2012 |
| 20110315636 | Soluble Anion Exchangers From Hyperbranched Macromolecules Novel macromolecules for filtering contaminants from water and non-aqueous solutions. Molecules such as polyethyleneimine (PEI) may be functionalized, cross-linked, and/or quaternized to improve their binding capacity or selectivity with particular water contaminants su... | 12/29/2011 |
| 20110309025 | Methods for using sulfidized red mud Toxic substances such as heavy metals are extracted from a medium using a sorbent composition. The sorbent composition is derived by sulfidation of red mud, which contains hydrated ferric oxides derived from the Bayer processing of bauxite ores. Exemplary sulfidizing co... | 12/22/2011 |
| 20110303871 | REMEDIATION OF PHYSIOLOGICALLY ACTIVE COMPOUNDS FROM WASTE WATER The present invention is directed to the removal of one or more selected target materials, in particular a physiologically active compound contaminant, from various streams using a rare earth fixing agent.... | 12/15/2011 |
| 20110290733 | METHOD AND APPARATUS FOR REMOVING SELENIUM FROM WATER Methods of and apparatuses for removing selenium from water. Sulfate and organics are first removed to discourage such materials from overwhelming subsequent processing of water to remove selenium.... | 12/01/2011 |
| 20110271875 | Process for Recovery of Values from a Fermentation Mass Obtained in Producing Ethanol and Products Thereof The present invention generally relates to processes for recovery of values from a fermentation mass obtained in producing ethanol. Further, the present invention relates to processes for the recovery of values from an inorganic- and lignin-containing mass. The present ... | 11/10/2011 |
| 20110253635 | FLUID CLARIFICATION SYSTEM, METHOD, AND APPARATUS A fluid clarification system and method is described in which fluid is passed through one or more settling compartments, each having a solids outlet at the base of the compartment. The base of each compartment includes inclined surfaces for guiding settled solids to the... | 10/20/2011 |
| 20110226701 | ENHANCING SEDIMENTATION PERFORMANCE OF CLARIFIERS/THICKENERS Some mineral processing plants encounter difficulties in dewatering pulps using clarifier/thickener (C/T) equipment due to a layer of fine particles, air bubbles and chemicals formed at the top of the liquid in the thickener. Such layers are very stable and form a cap o... | 09/22/2011 |
| 20110220581 | HYDROPHOBICALLY MODIFIED POLYAMINE SCALE INHIBITORS Hydrophobically modified Si-containing polyamines are useful for treating scale in industrial process streams. Preferred hydrophobically modified Si-containing polyamines are particularly useful for treating aluminosilicate scale in difficult-to-treat industrial process... | 09/15/2011 |
| 20110217752 | LIGAND FUNCTIONALIZED POLYMERS Ligand functionalized substrates, methods of making ligand functionalized substrates, and methods of using functionalized substrates are disclosed.... | 09/08/2011 |
| 20110210075 | ELECTROCOAGULATION DEVICES AND METHODS OF USE The present invention provides electrocoagulation devices and methods for using the same to treat water to remove at least a portion of suspended, dissolved solids, or a combination thereof.... | 09/01/2011 |
| 20110147316 | DEOILING OF SAGD PRODUCE WATER Methods of deoiling oily water such as SAGD and frac produce water. The oily water is treated with a natural coagulant selected from tannins and chitosan. A cationic and/or anionic flocculant may also be added to the treated oily water. The thus treated oily water may b... | 06/23/2011 |
| 20110132846 | FEEDWELL DILUTION SYSTEM FOR THICKENERS IN OIL SANDS A feedwell dilution system for diluting an influent feed stream, which include at least one eductor assembly, and a feedwell assembly. The at least one eductor assembly includes a feed pipe which converges to a narrow throat portion or nozzle; a mix tube positioned down... | 06/09/2011 |
| 20110131873 | SYSTEMS AND METHODS FOR REMOVING FINELY DISPERSED PARTICULATE MATTER FROM A FLUID STREAM Disclosed herein are systems for removing particulate matter from a fluid, comprising a particle functionalized by attachment of at least one activating group or amine functional group, wherein the modified particle complexes with the particulate matter within the fluid... | 06/09/2011 |
| 20110114567 | PRECIPITATION DEVICE, METHOD AND ASSOCIATED SYSTEM A precipitation device comprises a precipitation element disposed within a vessel and configured to define a precipitation zone and a solid-liquid separation zone between the precipitation element and the vessel, the precipitation zone configured to receive a first stre... | 05/19/2011 |
| 20110094969 | REMOVAL OF ARSENIC FROM DRINKING AND PROCESS WATER A method of removing arsenic and heavy metals from water using metal salt hydroxide-gels is provided. The arsenic present in water is adsorbed onto the hydroxide-gels which can effectively be filtered through a diatomaceous earth (DE) filtration bed. The combination of ... | 04/28/2011 |
| 20110089117 | REMOVAL OF SILICON FROM BRINE A process for removing silicon compounds from aqueous NaCl brine includes, first, adjusting a weak brine to a pH value of less than 3 with hydrochloric acid. Iron(III) chloride or other trivalent iron ions are added to the acidified weak brine, the obtained weak brine i... | 04/21/2011 |
| 20110059028 | METHOD FOR MEMBRANE ELECTROLYSIS AND THE USE OF THE PRODUCTS OBTAINED BY IT A metal sulphate is added to the alkali metal chloride solution in membrane electrolysis in order to increase the amount of catholyte solution formed. At the same time, a metal sulphate is added to the anolyte solution in order to improve its stability.... | 03/10/2011 |
| 20110020199 | Process for enhanced remediation of contaminated wastewaters, soils and wasteforms The present invention provides reagents that may be useful for treating wastes such as impure aqueous materials including wastewater to remove a significant proportion of the heavy metals that may be contained therein. The reagents include a calcium aluminosilicate (CAS... | 01/27/2011 |
| 20110005999 | RECYCLING AND TREATMENT PROCESS FOR PRODUCED AND USED FLOWBACK FRACTURING WATER A portable water recycling and treatment system and process for used and produced flowback frac water pumps the water from a collection tank through a series of dedicated hydration, retention and filtering tanks and vessels that provide treatment for the removal of chem... | 01/13/2011 |
| 20110000854 | USE OF A DUAL POLYMER SYSTEM FOR ENHANCED WATER RECOVERY AND IMPROVED SEPARATION OF SUSPENDED SOLIDS AND OTHER SUBSTANCES FROM AN AQUEOUS MEDIA A method uses anionic and cationic polymers added in, any order or simultaneously, to aqueous media for the removal of substances. The sequential addition of the two biopolymers, anionic xanthan, followed by cationic chitosan, causes the rapid formation of very large an... | 01/06/2011 |
| 20100320155 | Methods For Removing Dissolved Metallic Ions From Aqueous Solutions The invention provides methods for treating aqueous solutions to remove dissolved metallic ions.... | 12/23/2010 |
| 20100320147 | Reactor tank Disclosed is an improved water treatment cavitation reactor cone. The tank operates on a continuous flow of fluids which are subjected to ultrasonic waves in combination with a high level of injected ozone. The treatment tank includes a tangential inlet that induces a r... | 12/23/2010 |
| 20100294725 | AZETIDINIUM-FUNCTIONAL POLYSACCHARIDES AND USES THEREOF The present invention relates to polysaccharides that have been modified by providing azetidinium functionality thereto. Such functionality can be provided by crosslinking a polysaccharide with a resin having azetidinium functional groups. In one or more aspects, the po... | 11/25/2010 |
| 20100288706 | METHOD FOR THE PREPARATION OF AT LEAST ONE COMPOUND FROM BLOOD, AND EXTRACTION DEVICE FOR USE IN THE EXECUTION OF SAID METHOD Method for the preparation of at least one compound with biological properties from blood, where said method is performed in sealed tubes at a pressure below atmospheric pressure, thereby reducing or preventing the bacterial contamination of the compound through handlin... | 11/18/2010 |
| 20100243575 | Portable sludge filtration system A separation apparatus and system for separating a solid-liquid mixture is described herein. A polymer solution, formed from water and one or more polymers, is mixed, then combined with a solid-liquid mixture to flocculate the solid-liquid mixture, which is then flowed ... | 09/30/2010 |
| 20100213128 | POLYMER-CONTAINING SOLVENT PURIFYING PROCESS Polymer-containing solution can be purified and the solvent reused by subjecting the solution to microfiltration using tubular filters having an average pore diameter of less than 1 μm and a filtration pressure of at least 0.35 MPa. This method is particularly useful f... | 08/26/2010 |
| 20100176061 | WATER PURIFICATION The invention provides an efficient method to purify an aqueous solution, typically mine drainage water, especially of anions and cations present in the aqueous solution as dissolved solids, the anions and cations are removed by treatment with a positively charged extra... | 07/15/2010 |
| 20100158786 | DESALINATION METHODS AND SYSTEMS THAT INCLUDE CARBONATE COMPOUND PRECIPITATION Desalination methods that include carbonate compound precipitation are provided. In certain embodiments, feed water is subjected to carbonate compound precipitation conditions prior to desalination. In certain embodiments, desalination waste brine is subjected to carbon... | 06/24/2010 |
| 20100154679 | DESALINATION METHODS AND SYSTEMS THAT INCLUDE CARBONATE COMPOUND PRECIPITATION Desalination methods that include carbonate compound precipitation are provided. In certain embodiments, feed water is subjected to carbonate compound precipitation conditions prior to desalination. In certain embodiments, desalination waste brine is subjected to carbon... | 06/24/2010 |
| 20100116751 | CARBON NANOTUBE MATERIAL AND METHOD FOR THE SEPARATION OF LIQUIDS There is disclosed a material for separating a liquid from a mixture of at least two liquids, for example, for separating water from fuel. In one embodiment, the material comprises a fibrous substrate and carbon nanotubes, both of which have at least one functional grou... | 05/13/2010 |
| 20100108616 | CHEMICAL COMPOSITION AND PROCESS FOR TREATING GEOTECHNICAL SLURRIES The invention relates to a dispersing agent composition and to a process for treating liquid slurries of bentonite particles, optionally comprising contaminating solids, in order to remove any contaminating solids and/or the bentonite particles, wherein said dispersing ... | 05/06/2010 |
| 20100059451 | MODULAR OIL-BASED SLUDGE SEPARATION AND TREATMENT SYSTEM A modular apparatus having certain processing equipment mounted on portable skids that are adaptable and versatile to permit customized arrangement for oil-recovery processing of a wide range of oil-base sludge compositions in a cost-efficient manner. In one aspect, the... | 03/11/2010 |
| 20100038081 | METHOD FOR REMOVING SILICA FROM EVAPORATOR CONCENTRATE A method for removing silica from evaporator concentrate to facilitate disposal of the concentrate. An alkaline earth compound is mixed with the concentrate in a crystallizer. Silica in the concentrate reacts with the alkaline earth compound and precipitates from the co... | 02/18/2010 |
| 20100038318 | ENHANCED SOLIDS CONTROL A method of cleaning drilling fluid including providing a flow of drilling fluid to a treatment loop, determining a flow rate of the drilling fluid, and injecting a polymer into the drilling fluid based on the determined flow rate of the drilling fluid. Additionally, th... | 02/18/2010 |
| 20100032379 | METHOD FOR TREATMENT OF SLUDGE OR WASTEWATER A method of treating sludge or wastewater involving the following steps: a swelling step which prepares a swelling liquid by adding a powdery polymer flocculant to water; a dissolution step which obtains an aqueous flocculant solution by supplying the swelling liquid to... | 02/11/2010 |
| 20090314720 | NOVEL COMPOSITIONS AND USES THEREOF The present technology provides systems and methods for treating a fluid by contacting a compound to the fluid. The compound comprises an azodicarbonamide or an azodicarbonamide derivative, wherein the treatment reduces the amount of hydrogen sulphide, iron sulphide and... | 12/24/2009 |
| 20090294377 | Method for Removing Dissolved Solids from Aqueous Waste Streams A method for removing dissolved solids from a waste stream, such as that produced in flue gas scrubbing, through an evaporation-crystallization process operated at relatively low temperature. A waste stream is directed into an evaporator and heated at a temperature of l... | 12/03/2009 |
| 20090294365 | WATER TREATMENT SYSTEM AND METHOD OF USING SAME A water treatment method is provided for helping to partially or completely remove sodium and methane gas from water. In the method, water is combined with a reactant that is formulated to combine with the sodium in the water and form a compound. The water and compound ... | 12/03/2009 |
