Matches 1 - 50 out of 187 1 2 3 4 >


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US20110220577 PROCESS FOR THE REMOVAL OF ARSENIC AND CHROMIUM FROM WATER  
The present invention provides low cost and highly effective method for the removal of arsenic and Cr(III&VI) from contaminated water using zinc peroxide nanoparticles (20±5 nm) capped with...
US20130053234 SORBENT  
A method for preparing a sorbent composition includes the steps of: (i) applying, from a solution or a slurry, a layer of a copper compound on the surface of a support material, and(ii) drying the...
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...
US20120018384 MERCURY REMOVAL FROM WATER  
The present invention provides a method of removing mercury from water. The method includes depositing selenium or a reactive selenium compound on a support structure, such as reticulated foam....
US20110303612 METHOD OF MAKING AND USING A COMPOSITE ADSORBENT FROM NATURAL RAW MATERIAL TO REMOVE HEAVY METAL FROM INDUSTRIAL WASTE WATER  
An adsorbent composition and method of using the adsorbent composite is described. The method for removing heavy metals from contaminated water is done by mixing contaminated water having a...
US20130228522 ARSENIC REMOVAL SYSTEM  
A system is provided for removing arsenic from water to safe levels at or below the EPA standards. The system is a hybrid spouted vessel/fixed bed filter system that significantly...
US20090266767 Runoff Water Filtration Apparatus and System  
A runoff water filter is defined by an elongate, tubular mesh container filled with a filter medium that is selected for the ability of the filter medium to remove target pollutants from the...
US20130022686 COMBINATIONS OF LIQUID FILTRATION MEDIA AND METHODS FOR ENHANCED FILTRATION OF SELECTED WATER CONTAMINANTS  
By sequentially aligning various filtration media and delivery systems, enhanced synergistic reduction of water contaminants is obtained compared to the prior art or separate use of the individual...
US20100320153 ABSORBENTS  
An absorbent composition suitable for removing mercury, arsenic or antimony from fluid streams includes 5-50% by weight of a particulate sulphided copper compound, 30-90% by weight of a...
US20120325750 METHOD OF REMOVING METALS FROM A SOLUTION USING LEGUME PLANTS  
The present application provides a method for removing a metal from a metal-containing solution, comprising contacting a legume product with the metal-containing solution; and removing the legume...
US20140260468 Iron-Functionalized Alginate for Phosphate and Other Contaminant Removal and Recovery from Aqueous Solutions  
A biodegradable iron-crosslinked alginate is useful as a remediation agent for environmental contaminants such as phosphate. When charged with phosphate, or other nutrients, the...
US20110017671 WATER TREATMENT SYSTEM AND METHOD  
A water treatment apparatus and system, comprising a treatment tank with a plurality of flow-through containers filled with iron shavings. The water is recirculated through the containers of iron...
US20120012532 ARSENIC SORBENT AND METHOD FOR REMEDIATING ARSENIC-CONTAMINATED MATERIAL  
An arsenic sorbent includes monohydrocalcite that has been precipitated by mixing an aqueous solution of a soluble carbonate or a carbonate with an aqueous solution that includes an Mg2+ ion and a...
US20150203387 METHOD FOR PREPARING PHOSPHINE-BASED METAL BINDING PARTICLES  
The invention relates to a method for preparing phosphine-based selective transition metal binding particles, said method comprising at least a step of reacting macroporous particles comprising at...
US20110220578 ADSORBENTS  
An adsorbent suitable for heavy metal adsorption is described, comprising a thiol functionalised support wherein the adsorbent has a BET surface area in the range 200-500 m2/g, a pore diameter in...
US20090020477 MEDIUM FOR REMOVAL OF ARSENIC FROM WATER  
Method for removing Arsenic from water. The method includes providing resin based medium which contains Arsenate adsorbent agent and Arsenite oxidizing agent. The method also includes providing...
US20140001125 NANOSTRUCTURE MATERIAL SUPPORTING ARSENIC ION ADSORPTION COMPOUND AND METHOD TO REMOVE ARSENIC ION USING THE SAME  
Means for reducing an arsenic ion concentration in the solution to the degree of ultra trace amount are provided. Ammonium molybdate is supported by a nanostructure material by mixing the...
US20130001169 Metal removal system and method  
A metal removal system and method are disclosed. An example method includes providing a sorptive media and providing a primary ligand having an affinity for the sorptive media, the primary ligand...
US20130157905 Method for the Removal or Suppression of Interfering Metal Ions Using Environmentally Friendly Competitive Binders  
The present invention relates to environmentally friendly compositions and methods for removing or suppressing metal ions in waters, flowback waters, and produced waters to make such waters...
US20140284281 NOVEL ADSORBENT COMPOSITE FROM NATURAL RAW MATERIALS TO REMOVE HEAVY METALS FROM WATER  
An adsorbent composition for removing heavy metals from contaminated water is described. The composition comprises of a mixture of kaolin clay, cellulose powder, silica powder, magnesite powder,...
US20140008302 Drinking water purification device  
A fast acting water purification system containing a source of silver ions which is suitable for use in personal or household water containers, where the non-potable water may contain halides or...
US20120175307 Multi-layered macromolecules and methods for their use  
Multi-layered macromolecules wherein the layers are covalently bonded together and wherein the macromolecules are covalently bonded to solid particulate substrates, methods for the preparation of...
US20130180925 METHOD FOR THE SYNTHESIS OF TETRAVALENT MANGANESE FEROXYHITE FOR ARSENIC REMOVAL FROM WATER  
The present invention refers to a method for the synthesis of an adsorbing material consisting of a single-phase tetravalent manganese feroxyhite (ō-Fe(1-x)MnxOOH), in which a percentage of 0.05...
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...
US20130168320 ORGANIC TEMPLATED NANOMETAL OXYHYDROXIDE  
Disclosed are granular composites comprising a biopolymer and one or more nanometal-oxyhydroxide/hydroxide/oxide particles, along with methods for the preparation and use thereof.
US20140228306 Phenolic Coatings and Methods of Making and Using Same  
A method of making a facile, surface-independent, polyphenol coating is disclosed. In general, the method includes contacting at least a portion of the substrate to be coated with an aqueous...
US20080047902 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...
US20080135489 Solid Profile Filters Comprising Activated Carbon Fiber Rods and Methods of Making and Using Same  
Solid profile filter blocks for filtration of fluids include activated carbon fibers, preferably cut or ground into rod-shaped elements and bound into a solid profile using one or more binders....
US20140061135 Water Detoxification by a Substrate-Bound Catecholamine Adsorbent  
A bio-inspired method for detoxifying contaminated water is disclosed. In the method, polydopamine, a mussel-inspired adhesive catecholamine was used as an adsorbent to effectively remove from...
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...
US20080302730 SULFUR-IMPREGNATED ORGANOCLAY MERCURY AND/OR ARSENIC ION REMOVAL MEDIA  
The use of a sulfur-impregnated organoclay provides a mercury or arsenic removal media having increased reactivity, stability, and mercury removal ability. The Hg/As removal media described herein...
US20060186054 Method and composition to reduce the amounts of arsenic in water  
The present invention relates to a method for removing arsenic in arsenic contaminated water, especially for small drinking water systems such as those used in individual homes, rural areas, and...
US20130295197 Formed lyocell articles for selective binding of monovalent heavy metal ions, especially thallium and cesium ions and radioactive isotopes thereof  
Shaped lyocell cellulose articles are provided for binding heavy metal ions and radioactive isotopes thereof. The shaped articles include one or more hexacyanoferrates that are incorporated in a...
US20110049057 Metal Immobilization Using Slag Fines  
A method for immobilizing metal in soil includes blending slag fines with soil to form a media. The slag fines immobilize metal present in the media and reduce leaching of the metal into water.
US20100051557 HEAVY METAL CATIONS ELIMINATION FROM AQUEOUS MEDIA BY NANOTECHNOLOGY  
Disclosed is a process, which is used to eliminate heavy metal cations from the aqueous media, and provides a better solution for the existing problems of the separation systems like low...
US20110226699 Nanoporous Silica Polyamine Composites with Surface-Bound Zirconium (IV) and Methods of Use  
Silica polyamine composites (SPC) made from silanized amorphous nano-porous silica gel and poly(allylamine) (BP-1) were functionalized with phosphorus acid using the Mannich reaction, resulting in...
US20130168321 NITROGEN-CONTAINING ACTIVATED CARBON MATERIAL  
An activated carbon material for removing a contaminant from a liquid. The activated carbon material can be a plurality carbon grains that have a pore volume of approximately 0.1 milliliters per...
US20090294368 Method and Composition for Sorbing Toxic Substances  
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...
US20110309025 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...
US20110220576 ADSORBENTS  
An adsorbent suitable for heavy metal absorption is described, comprising a thiol functionalised support containing a stabilising amount of an alkaline metal reacted with said thiol functionality....
US20120330044 CHELATING AGENT MODIFIED GRAPHENE OXIDES, METHODS OF PREPARATION AND USE  
The invention is directed to chelating agent modified graphene oxides having the following formula G(AB)x; wherein G is graphene oxide, A is selected from the group consisting of —(CH2)m—, —NH—,...
US20110132843 Composite as Adsorbent and Catalyst, Manufacturing Method Thereof, and Method of Treating Wastewater Using Same  
A composition as adsorbent and catalyst is manufactured by adding activated carbon into a aqueous solution comprising a plurality of metal salts, adjusting the solution to a predetermined pH value...
US20100084346 PROCESS FOR THE PURIFICATION OF WATER  
The present invention relates to a process for the purification of water by adding surface-reacted natural calcium carbonate or an aqueous suspension comprising surface-reacted calcium carbonate...
US20150122734 Light Activated Cation Separation  
A method of separating one or more valuable metal cations from an ionic solution by (a) contacting the ionic solution with an activated photoisomerizable host molecule containing a...
US20100326921 Process for obtaining an adsorbent from a waste material and use of the adsorbent  
In the present, a procedure of obtaining adsorbent from a waste material and its use are disclosed. This invention provides a natural waste material, specifically avocado seed, its preparation and...
US20130037488 ADSORBENT FOR ADSORPTION OF HEAVY METALS IN WASTE WATER  
A method and adsorbent composition for removing heavy metals from contaminated water, including mixing a water having a concentration of one or more heavy metals with an adsorbent including...
US20120012531 ADSORBENT FOR ADSORPTION OF HEAVY METALS IN WASTE WATER  
A method and adsorbent composition for removing heavy metals from contaminated water, comprising including mixing a water having a concentration of one or more heavy metals with an adsorbent...
US20080023406 Water filtration systems and methods  
A pitcher filter cartridge for removing contaminants from water includes a housing defining a chamber. The housing further defines at least one inlet opening and at least one outlet opening. A...
US20110168638 METHODS OF USING ADSORPTION MEDIA FOR SEPARATING OR REMOVING CONSTITUENTS  
Methods of using an adsorption medium to remove at least one constituent from a feed stream. The method comprises contacting an adsorption medium with a feed stream comprising at least one...
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...

Matches 1 - 50 out of 187 1 2 3 4 >