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US20110127220 Method for Treating Water by Advanced Oxidation and Ballasted Flocculation, and Corresponding Treatment Plant  
The invention relates to a method for treating water charged with colloidal impurities, either dissolved or suspended, in a treatment plant, wherein said method comprises: the step of contacting...
US20100051555 Process 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...
US20130068694 OIL FILTERS CONTAINING STRONG BASE AND METHODS OF THEIR USE  
Novel filter elements for sequestering acids from oil or fuel, the strong base flocs that comprise the filter elements, and methods of their preparation and use are disclosed. The filter elements...
US20120175309 OIL FILTERS CONTAINING STRONG BASE AND METHODS OF THEIR USE  
Novel filter elements for sequestering acids from oil or fuel, the strong base flocs that comprise the filter elements, and methods of their preparation and use are disclosed. The filter elements...
US20110132839 SULFATE REMOVAL FROM WATER SOURCES  
An integrated process for removing sulfate from water sources, such as pretreated acid mine drainage (AMD). The multivalent cation (MVC) content of a sulfate stream is reduced by strong acid...
US20140054507 METHODS FOR SULFATE REMOVAL IN LIQUID-PHASE CATALYTIC HYDROTHERMAL GASIFICATION OF BIOMASS  
Processing of wet biomass feedstock by liquid-phase catalytic hydrothermal gasification must address catalyst fouling and poisoning. One solution can involve heating the wet biomass with a heating...
US20120280180 Methods for Sulfate Removal in Liquid-Phase Catalytic Hydrothermal Gasification of Biomass  
Processing of wet biomass feedstock by liquid-phase catalytic hydrothermal gasification must address catalyst fouling and poisoning. One solution can involve heating the wet biomass with a heating...
US20120255912 Process for Treating Water to be Treated by Clarification Comprising an Adsorption of a Portion of Clarified Water and a Clarification of a Mixture of Adsorbed Clarified Water and Water to be Treated  
Process for treating water to be treated by clarification comprising an adsorption of a portion of clarified water and a clarification of a mixture of adsorbed clarified water and water to be...
US20140319059 Method and Kit For Treating Recreational Water  
Provided herein is a method for reducing down-time in a recreational body of water having a water filtering system and water recirculation system after a potential release of Cryptospridium oocyst...
US20080142447 METHOD OF TREATING WASTEWATER  
Processes for the treatment of wastewater comprising incorporating a delaminated nanoparticulate clay into a treatment mixture to form a coagulant. The nanoparticulate clay comprises an anionic...
US20140367335 Method For Removing Mercury And Selenium From Sulfate-Containing Waste Water  
The invention is directed to a method for the removal of mercury and selenium from sulfate-containing waste water. The method may include the following steps: a) a mercury- and...
US20120097614 NORM REMOVAL FROM FRAC WATER  
A method for treating low barium frac water includes contacting a frac water stream with a radium selective complexing resin to produce a low radium stream, passing the low radium stream through a...
US20120318743 Water Desalination and Treatment System and Method  
The invention comprises water desalination methods and a system for such, which includes treatment of water in cation and anion ion exchange columns, and regenerating the columns after treatment...
US20120103909 PARTICULATE CERIUM DIOXIDE AND AN IN SITU METHOD FOR MAKING AND USING THE SAME  
This disclosure relates generally to methods and compositions for removing contaminants from streams and is particularly concerned with methods and compositions for removing contaminants from...
US20130032542 PERSONAL PORTABLE WATER PURIFICATION DEVICE  
The emergency personal portable water purifying apparatus can be used by individuals to purify water that has become contaminated by natural or man-made disasters. The apparatus is lightweight,...
US20140263070 METHODS AND SYSTEMS FOR THE FILTERLESS REDUCTION OF LEUKOCYTES IN A BIOLOGICAL FLUID  
Methods and systems for removing leukocytes from a biological fluid are disclosed. The methods and systems include a device that has a magnetic substrate coated with one or more polymeric...
US20090204051 Method of removing lymphocyte growth inhibitor  
The present invention relates to a method of body fluid treatment for relieving the condition of inhibited lymphocyte proliferation which comprises bringing a mammalian body fluid into contact...
US20130336877 SYSTEMS AND METHODS FOR REMOVING FINELY DISPERSED PARTICLES FROM MINING WASTEWATER  
Disclosed are systems and methods of removing particulate matter from a fluid, comprising: pre-activating the particulate matter to form a pre-activated particulate matter; providing an activating...
US20100038319 PROCESS FOR SEPARATING OFF CARBON BLACK FROM A WASTEWATER STREAM  
A process for cleaning a wastewater stream which comprises soot and is obtained in the preparation of acetylene, the soot being present in finely divided form in the wastewater, wherein the soot...
US20110023715 METHOD FOR TREATING WASTEWATER OR PRODUCED WATER  
A method or process for treating wastewater containing high organics, silica, boron, hardness, and suspended and dissolved solids. The method includes degasifying the wastewater for the removal of...
US20080169240 Arsenic Removal  
Crosslinked polymeric beads for removing arsenate from water, as well as methods for preparing and using the beads are disclosed.
US20120241381 Method and apparatus for removal of selenium from water  
A method of treating selenium contaminated water to reduce the concentration of selenium in the water to levels below 5 μg/L uses a first stage treatment by an iron co-precipitation process to...
US20130048562 TREATMENT OF GAS WELL PRODUCTION WASTEWATERS  
A method of treating a wastewater is provided and can be used, for example, to treat a gas well production wastewater to form a wastewater brine. The method can involve crystallizing sodium...
US20090261041 Composition for Filtering and Removing Particles and/or Constituents from a Fluid  
Filter-aid materials are disclosed herein, and processes, systems, and methods using such filter-aid materials for filtering and removing particles and/or constituents from a fluid, wherein the...
US20140014584 WASTEWATER PURIFICATION SYSTEM AND METHOD  
Embodiments of the present disclosure provide a system and method for wastewater purification. The system may include a sludge filtration unit, a screen filtration unit, a multi-media filtration...
US20130153506 METHOD TO IMPROVE CLARIFICATION PERFORMANCE IN WASTEWATER TREATMENT APPLICATIONS  
Disclosed is a cost effective method of clarifying wastewater. The method comprises the steps of providing wastewater and adding a substance to the wastewater. The substance comprises a porous...
US20110059028 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...
US20120138530 METHOD AND APPARATUS FOR REMOVING ARSENIC FROM A SOLUTION  
A method and apparatus for separating arsenic from an aqueous solution containing arsenic. The method includes the steps of contacting an arsenic-containing solution with a first portion of fixing...
US20120138529 METHOD AND APPARATUS FOR RECOVERING A METAL AND SEPARATING ARSENIC FROM AN ARSENIC CONTAINING SOLUTION  
A method and apparatus for recovering a metal and separating arsenic from an arsenic-containing solution. The method includes contacting the arsenic-containing solution with a fixing agent that...
US20110203993 TREATMENT STAGES FOR SELENIUM REMOVAL  
Methods and apparatus relate to treating fluid to at least reduce selenium content within the fluid. The treating includes conditioning stages to alter a composition of the fluid prior to removal...
US20080135478 Method for Treating Wastewater or Produced Water  
A method or process for treating wastewater containing high organics, silica, boron, hardness, and suspended and dissolved solids. The method includes degasifying the wastewater for the removal of...
US20100200501 GREEN SYNTHESIS OF NANOMETALS USING PLANT EXTRACTS AND USE THEREOF  
The present invention relates to methods of making and using and compositions of metal nanoparticles formed by green chemistry synthetic techniques. For example, the present invention relates to...
US20150136704 METHOD AND APPARATUS FOR TREATING WASTEWATER CONTAINING RADIOACTIVE STRONTIUM  
Radioactive strontium is efficiently removed from wastewater containing radioactive strontium. In a treatment method for radioactive strontium-containing wastewater, wastewater containing...
US20080296228 Wastewater Treatment Method Comprising Decantation and Fine Screening Stages and Device for Carrying Out Said Method  
A method for removing helminth egg and other suspended solids from a wastewater stream includes directing the wastewater to a ballasted flocculation system and adding a coagulation agent,...
US20130292336 METHOD FOR TREATING A VARIETY OF WASTEWATER STREAMS  
The present invention is a wastewater treatment method using dried BOF slag and hydrogen peroxide, wherein hydrogen peroxide is oxidized to generate hydroxyl radicals that reacts with soluble...
US20100025332 Titanium composition for water treatment and method  
A personally portable water purification compound prepared in unit dosage form such as tablets, packages and the like and having titanium dioxide (TiO2) in the form of fine particles, and adsorbed...
US20100098607 USE OF SILICON-CONTAINING POLYMERS FOR IMPROVED FLOCCULATION OF SOLIDS IN PROCESSES FOR THE PRODUCTION OF ALUMINA FROM BAUXITE  
The suspended solids content of a process stream in a process for digesting bauxite ore to produce alumina is reduced by contacting the stream with silicon-containing polymers.
US20140116948 Systems and Methods for Purification and Recovery of Fracking Water  
The present disclosure relates, according to some embodiments, to systems and methods for removal of contaminants from water including, but not limited to, industrial wastewater, brackish water,...
US20140151296 PRODUCED WATER TREATMENT TO REMOVE ORGANIC COMPOUNDS  
Systems and methods for removing organic contaminants from water may be used, for example, to treat produced water from a steam assisted heavy oil recovery operation. The treated produced water...
US20130240450 METHOD FOR TREATING HIGHLY CONCENTRATED RESIN-DESORPTION LIQUID GENERATED FROM WASTEWATER DEEP PURIFICATION  
A method for treating highly concentrated resin-desorption liquid generated from wastewater deep purification, including channeling the highly concentrated desorption liquid generated from anion...
US20120241382 COMPOSITIONS AND METHODS FOR RETARDING THE FORMATION OF INSOLUBLE BYPRODUCTS IN WATER SOFTENERS  
Novel water softening products and methods of treating hard water are provided. The products comprise a chloride-free, organic salt and a chelating agent. The products are useful for regenerating...
US20110195166 Modified Biogenic Silica and Method for Purifying a Liquid  
Biogenic silica is produced by combusting a biogenic source material such as rice hulls to give rich hull ash (RHA), and the combusted biogenic silica may be subsequently treated to improve the...
US20140014586 TREATMENT OF WASTEWATER  
The present invention provides systems and methods for removing an oxidizable target contaminant from a fluid, and methods for their use. In embodiments, these systems and methods include an...
US20090277840 Process for treating animal husbandry effluent slurry by pre-treatment and electroflotation  
Described is a process for treating an animal husbandry effluent slurry, such as hog manure, containing suspended solid particles. The process includes a) providing a liquid portion of the...
US20130118985 HEAVY METAL REMOVAL FROM WASTE STREAMS  
A method for removing heavy metals from contaminated water, comprising collecting metal salt precipitates from a water softening process, drying said precipitates, contacting water having a...
US20140001120 REMOVAL OF PHOSPHORUS FROM SEWAGE BY ELECTRODE METAL ADDITION  
In an apparatus for treating wastewater, e.g sewage water, the water passes through a standard treatment process stream to promote production of dissolved reactive phosphate ions (PO4). Iron (or...
US20130161259 Method for Continuously Breaking a Water-In-Oil Emulsion and Corresponding Device  
A device and method for continuously breaking an initial emulsion of the water-in-oil type includes a first step of mixing the initial emulsion with a superheated washing water so as to obtain an...
US20140263072 PROCESS AND PLANT FOR TREATING WATER  
A process for removing suspended particles and at least one ionic species from a feed water stream to produce a product water stream, the process includes the steps of forming agglomerates of the...
US20080003292 NANOPARTICLES AND METHOD FOR THE PRODUCTION THEREOF  
Nanoparticles are disclosed, consisting essentially of an aqueous gelatin gel, wherein the average diameter of the nanoparticles is at the most 350 nm, the polydispersity index of the...
US20110100918 WATER PURIFIER DIRECTLY CONNECTED TO FAUCET  
The present invention relates to a water purifier of tap water. According to the present invention, a metal having a higher ionization tendency is ionized by exposing the metal to water to be...

Matches 1 - 50 out of 97 1 2 >