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Class 210/721 - Including oxidation


Subclass of Class 210 - Liquid purification or separation
Definition: Process which include a step of oxidizing a constituent
No. of applications: 51
Last issue date: 04/05/2012


1    
Application No.Application TitleIssue Date
20120080383WASTE TREATMENT PROCESS
A process for treating waste includes reacting a feedstock in a reactor to form an effluent. The feedstock is part of a reaction mixture that includes sulfuric and nitric acid. The effluent is separated into a liquid fraction and a solid fraction. Heavy metals such as a...
04/05/2012
20120006755PROCESS 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
20110293506METHOD FOR PROCESSING WASTE WATER CONTAINING FLUORINE AND SILICON, METHOD FOR PRODUCING CALCIUM FLUORIDE, AND FACILITY FOR PROCESSING FLUORINE-CONTAINING WASTE WATER
An object (first object) of the invention is to provide a waste water treatment technology (pretreatment technology in particular) which makes it possible to recover fluorine at a high recovery rate as highly pure calcium fluoride, without diluting waste water containin...
12/01/2011
20110259872NTC/PTC HEATING PAD
A controllable heating pad, having a heating conductor embedded in the heating pad, a sensing conductor embedded in the heating pad, a resistive material providing a distributed electrical path between the heating conductor and the sensing conductor, a first current sen...
10/27/2011
20110247986RECLAMATION OF FORMATE BRINES
A method of reclaiming a formate brine that includes increasing the pH of a spent formate brine fluid comprising water-soluble polymers; treating the fluid with an oxidizing agent; and removing at least a portion of suspended solids from the fluid is disclosed....
10/13/2011
20110220571METHOD OF MAKING AND USING ADSORBENT TO REMOVE HEAVY METAL FROM WASTE WATER
The present disclosure describes using the naturally present dissolved chemicals as precipitants from local water sources to form an adsorbent. The adsorbent may be collected and used at the right pH and temperature to purify and remove heavy metals from waste water. On...
09/15/2011
20110220585METHOD INTEGRATING ELECTROCHEMICAL OXIDATION AND FLOCCULATION PROCESSES FOR PRE-TREATMENT OF COKING WASTEWATER
A new method that integrates electrochemical oxidation and flocculation processes for removing ammonia nitrogen in coking wastewater is disclosed in this invention. It comprises steps as follow: first, adjusting the PH of coking wastewater and adding Fe2+ int...
09/15/2011
20110204000METHOD FOR REMOVING SELENIUM FROM WATER
There is provided a method for removing selenium from an aqueous influent, comprising: adding a water-soluble reducing agent to an aqueous influent containing an oxidized selenium compound (Sex, wherein x is the oxidation state and x>0); reducing said Se
08/25/2011
20110100839Generation of Chemical Reagents for Various Process Functions Utilizing an Agitated Liquid and Electrically Conductive Environment and an Electro Chemical Cell
The disclosure teaches an apparatus for circulating electrically conductive solutions between electro-chemical cells. The apparatus is able to decrease the size or surface area of the cells and operate the electro-chemical at reduced amperage. Movement of the solution o...
05/05/2011
20110049058Methods and kits for stabilizing oxidizers and sanitizing water
The present invention is directed to a kit and method for preventing a body of water from clouding, comprising: (a) a first container containing a first water treatment composition, the first water treatment composition comprising 2,2-dibromo-3-nitrilopropionamide (DBNP...
03/03/2011
20110006012 Method for Decomposing Oil and Other Organic Insoluble and Semi-Soluble Liquids in an Aqueous Medium
A method of decomposing an organic liquid, having a solubility in water of 0 or less than 50 g/l at 25° C., comprising: a) emulsifying an amount of the organic liquid in an amount of an aqueous medium to form an emulsion of the organic liquid in the aqueous medium; and...
01/13/2011
20110000854USE 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
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
20100230363Groundwater recharging wastewater disposal method and apparatus
A sulfurous acid treated wastewater disposal method employing soil aquifer treatment (SAT) for artificial recharge of groundwater through infiltration basins allowing fully or partially-treated sewage effluent to infiltrate into the soil and move down to the groundwater...
09/16/2010
20100187178Process for removing and sequestering contaminants from aqueous streams
Contaminants, including arsenic, are removed from water and other aqueous feeds preferably by (1) treating the feed with a compound containing a rare earth (e.g., cerium in the +4 oxidation state, preferably cerium dioxide), to oxidize contaminants in the +3 oxidation s...
07/29/2010
20100185039METHOD FOR EXTRACTION AND SURFACTANT ENHANCED SUBSURFACE CONTAMINANT RECOVERY
Methods and compositions for removing contaminants from soil and groundwater by extracting the contaminants and assisting the extraction by provision of an oxidant introduced prior to or simultaneously with a surfactant into the subsurface. Extractable contaminant can b...
07/22/2010
20100102007Process for Treatment of Sewage Waste Water
This is a reliable cost-effective adsorption based method for removing the dissolved and suspended organic matter by adding a natural “flocculent sorption particles” which is (Sodium, Calcium, Alumino silicate hydrated), and ferric Chloride, using a mixing tank. Hea...
04/29/2010
20100051555Process of removal of arsenic from water
An arsenic removal process where arsenic 3 is oxidized to arsenic 5 where the water is passed upflow through a bed of manganese dioxide (MnO2) at a sufficient flow rate such that the MnO2 bed is fluidized whereby precipitating or precipitated iron ...
03/04/2010
20100044317WATER PURIFICATION DEVICE FOR ARSENIC REMOVAL
Arsenic is removed from water and other aqueous feeds by (1) treating the feed with a compound containing cerium in the +4 oxidation state, preferably cerium dioxide, to oxidize arsenic in the +3 oxidation state to arsenic in the +5 oxidation state and (2) removing the ...
02/25/2010
20090255678Water Treatment by Chemical-Mechanical Process
Systems and methods for treating aqueous fluids and their associated methods of use are disclosed. In one embodiment, a method comprises providing an untreated aqueous fluid with a first concentration of a contaminant. The method further comprises chemically treating th...
10/15/2009
20090250404DECONTAMINATING FLUIDS AND METHODS OF USE THEREOF
The present invention is directed to materials for the decontamination of fluids and methods of use thereof. The material and methods find applications in the decontamination of intermediates, chemical contaminants, a biological contaminants, wastewater, industrial effl...
10/08/2009
20090230059Enhanced water treatment for reclamation of waste fluids and increased efficiency treatment of potable waters
Disclosed is a process for reclamation of waste fluids. A conditioning container is employed for receipt of waste material on a continuous flow for treatment within the container by immersible transducers producing ultrasonic acoustic waves in combination with a high le...
09/17/2009
20080296231Method for the Preparation of Cross-Linked Enzyme Aggregates with Improved Properties
The invention relates to a method for the preparation of cross-linked enzyme aggregates, which method is characterised by the following steps: i. generating aldehyde groups on enzyme molecules that may or may not be dissolved in a suitable solvent; ii. precipitating the...
12/04/2008
20080264873Method and System for Supercritical Water Oxidation of a Stream Containing Oxidizable Material
A method for supercritical water oxidation comprises the steps of: causing a first process stream containing water and organic material to flow in a reaction chamber (11); adding a first flow of oxidant to the first process stream in stoichiometric shortage; reac...
10/30/2008
20080179256System and method for chemical-free metal particle removal from a liquid media
Disclosed are systems and methods for removing oxidizable metals from a liquid without the use of chemicals. This aeration technology maximizes the surface area-to-volume ratio of oxygen in the gas used. A system may comprise a dissolved oxygen addition device configure...
07/31/2008
20080142450Selenium removal process
A process for removing selenium from an aqueous stream using a supported sulfur material, to convert selenocyanate to selenite, followed by removal of the selenite from the aqueous stream....
06/19/2008
20080116143Liquid Filter and Methods of Removing Contaminants
Filtration of water to provide cleansed water, using an assembly that monitors the volume of water cleansed and back-flushes the filtration media based on that volume. The assembly includes a control valve that monitors the amount of water that has been processed, contr...
05/22/2008
20080029454Carbon Dioxide Stimulation of Nitrification in Activated Sludge Reactors
A method of stimulating nitrification at low SRT by elevating pCO2 during aeration is disclosed. The improvement on solids settling performance when elevated pCO2 was supplied after 2 hours within the React cycle is consistent with the previous res...
02/07/2008
20080023407Water Treatment Process
A method of purifying water or wastewater that comprises the steps of adding a treatment agent to the water, passing the water through a mixing zone, and passing the water through a foam fractionation zone to provide purified water. The water or wastewater can be any ty...
01/31/2008
20070241059Method for Treatment of Foil to Facilitate Its Subsequent Removal
Method for treatment of oil on a solid or liquid surface to facilitate subsequent removal of the oil from the surface. A fat-soluble metal containing substance comprising an organic anion and a metallic cation is added to the oil. The metal containing substance may be p...
10/18/2007
20070068876SLUDGE TREATMENT METHOD AND SLUDGE TREATMENT APPARATUS
A sludge treatment method allowing an improvement in a phosphorus recovery rate and sludge volume reduction by efficiently eluting phosphorus in the sludge. The sludge treatment method includes: a step of foaming a sludge-containing liquid by blowing an ozone-containing...
03/29/2007
20070056913PORTABLE OIL FIELD WASTE WATER TREATMENT AND RECYCLING SYSTEM
A method is shown for treating oil field waste waters associated with drilling, completion and production operations. An ozonation process is used as a pre-treatment to a flocculation process in the continuous treatment of oil field drilling and production reserve pit w...
03/15/2007
20070029263Multi-functional oxidizing composition
A composition comprising a stable anhydrous mixture of an oxidizing agent and an active halogen agent wherein the oxidizing agent is potassium hydrogen peroxymonosulfate and the active halogen agent is an alkali metal salt of dichloro-s-triazinetrione, halogenated dimet...
02/08/2007
20070007214Mixing chamber
A membrane module (5) including a plurality of porous membranes (6) extending in an array and mounted, at least at one end, in a header (8). The header (8) has a number of distribution apertures (11) for distributing a fluid into the m...
01/11/2007
20060283805Advanced separator system
A method for the remediation of contaminated liquid stream wherein liquid is passed through a reactor loop before entering tank and reactor loop is a series of conduits with internal baffles with openings wherein reactor loop causes ionization in the liquid stream befor...
12/21/2006
20060231497Waste water treatment
A process for treating waste water which contains soluble phosphorous, the process including the step of reacting the soluble phosphorous with a source of magnesium ions under reaction conditions to produce a phosphorous containing precipitate. ...
10/19/2006
20060226083Method of treating wastewater containing hardly decomposable harmful substances
A method of treating hardly decomposable harmful substance comprising (A) a step for adding coagulant into wastewater containing a hardly decomposable harmful substance, (B) a step for performing solid-liquid separation which separates a solid containing the hardly deco...
10/12/2006
20060207945Composition and process for removing arsenic from aqueous streams
Arsenic is removed from water and other aqueous feeds by (1) treating the feed with a compound containing cerium in the +4 oxidation state, preferably cerium dioxide, to oxidize arsenic in the +3 oxidation state to arsenic in the +5 oxidation state and (2) removing the ...
09/21/2006
20060113254Extraction and treatment of heavy metals
Contaminated waste streams or soil or sludge is subjected to a first treatment stage with an acid liquor at a pH below 2 and at a solids content from 5 to 30%; then the liquid and solid phases from the first treatment stage are separated; the solids from the first treat...
06/01/2006
20060091082Treatment of brown grease
The invention is a process for treatment of brown grease, where the brown grease comprises water, food solids and free-oil. This process starts with the collection of the brown grease into a container. The brown grease's pH is adjusted with a chemical treatment to produ...
05/04/2006
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