|
Match
|
Document |
Document Title |
|
|
7554098 |
Medical isotope generator systems
Medical isotope generator systems are disclosed according to some aspects. In one aspect, a 90 Y generator system comprises a generator column, a concentration column, and a flow control system,...
|
|
|
7524469 |
Extractant composition including crown ether and calixarene extractants
An extractant composition comprising a mixed extractant solvent consisting of calix[4] arene-bis-(tert-octylbenzo)-crown-6 (“BOBCalixC6”), 4′,4′,(5′)-di-(t-butyldicyclo-hexano)-18-crown-6...
|
|
|
7413663 |
Water treatment apparatus and method
A water treatment apparatus includes a housing comprising multiple housing portions and a plurality of treatment sections disposed within the housing, each treatment section comprising at least one...
|
|
|
7390414 |
Regeneration of chemically treated zeolite
Systems and methods are provided for the removal and disposal of arsenic from an aqueous medium. The systems and methods include the removal of arsenic from a source by contact with either a...
|
|
|
7332089 |
Method of extracting metal ions from an aqueous solution utilizing an antimony silicate sorbent
The invention provides a use of a material comprising antimony silicate as a sorbent in the removal of metal ions, e.g. radioactive metal ions, from an acidic liquid medium. The metal ions may be...
|
|
|
7326346 |
High capacity regenerable sorbent for removal of arsenic and other toxic ions from drinking water
The present invention is directed to a sorbent comprising a disordered polyvalent metal oxide on the surface of an inert substrate. The substrate can be a layered silicate, such as vermiculite, an...
|
|
|
7309437 |
Compositions and methods for removal of toxic metals and radionuclides
The present invention relates to compositions and methods for the removal of toxic metals or radionuclides from source materials. Toxic metals may be removed from source materials using a clay,...
|
|
|
7294271 |
Process for restoration of ground water used in in-situ uranium mining
A process for biological restoration of ground water in a mineralized sandstone formation using a nutrient source. The process is used in conjunction with mining uranium using in-situ pump and...
|
|
|
7291316 |
Cesium and strontium extraction using a mixed extractant solvent including crown ether and calixarene extractants
A mixed extractant solvent including calix[4]arene-bis-(tert-octylbenzo)-crown-6 (“BOBCalixC6”), 4′,4′,(5′)-di-(t-butyldicyclo-hexano)-18-crown-6 (“DtBu18C6”), and at least one...
|
|
|
7268273 |
Recovering metals from soil
The invention relates to recovering metals, such as nickel and cobalt, by phytomining or phytoextracting soils rich in metals wherein the desired metal is selectively accumulated in...
|
|
|
7244403 |
Purification of Lutetium 177
Undesirable metal cation contaminants, including hafnium, can be reduced from a solution containing Lutetium-177 on a bed of an anion exchange resin. The thus purified solution can be stored and...
|
|
|
7214516 |
Bacterial effects on metal accumulation by plants
The invention includes methods for (1) extracting metals from soil by the use of plants that extract and accumulate the metal and adding bacteria to the soil that enhances the ability of the plants...
|
|
|
7160466 |
Uses of cucurbituril devices
Uses of cucurbituril derivatives are disclosed. The cucurbituril derivatives have the formula (1)
where X is O, S or NH; R 1 and R 2 are independently selected from the group consisting of...
|
|
|
7138643 |
Method and apparatus for separating ions of metallic elements in aqueous solution
Methods and apparatus for separating ions of metallic elements are provided. Preferred methods utilize a hydrophobic chelating extractant, such as an organophosphorus compound, adsorbed onto carbon...
|
|
|
7098327 |
Dual-functional ion exchange resins from agricultural by-products
A process for the production of dual-functional ion exchange resins from lignocellulosic agricultural material involving anionization of the lignocellulosic agricultural material with citric acid...
|
|
|
7097772 |
Method of purifying a waste stream using a microporous composition
The invention is directed to open-framework and microporous solids well suited for use in catalysis and ion exchange. The microporous solids are constructed by using a salt template which can be...
|
|
|
7087206 |
Multicolumn selectivity inversion generator for production of high purity actinium for use in therapeutic nuclear medicine
A multicolumn selectivity inversion generator separation method has been developed in which actinium ions, a desired daughter radionuclide, are selectively extracted from a solution of the thorium...
|
|
|
7083732 |
Method and installation for removal of metal cations from a liquid by resins with polyazacycloalkanes grafted on a support
The invention is related to a method and an installation for removal of metal cations contained in a liquid, in which said liquid is brought into contact at a temperature greater than or equal to...
|
|
|
7069690 |
Compositions and methods for removing pollutants from contaminated wafer with a fern plant
Processes and materials for phytoremediating water-containing sites which have been contaminated with pollutants such as arsenic, phosphorous, or other metals. Fern plants can be used to accumulate...
|
|
|
7065920 |
Contaminant removal by additional ferns
Processes, methods, materials and compositions for phytoremediating contaminated waters, which have been contaminated with pollutants such as arsenic. Fern plants that include Pteris and non-...
|
|
|
7063792 |
Method for separating metals such as zirconium and hafnium
A method for separating a metal (a) from a metal (2), preferably zirconium from hafnium, which consists in dissolving said metals in an aqueous solution wherein said metals are in a state...
|
|
|
7049492 |
Thlaspi caerulescens subspecies for cadmium and zinc recovery
A cadmium and zinc hyperaccumulating subspecies from Thlaspi caerulescense and methods for removing or recovering cadmium and zinc from soils by cultivating the Thlaspi caerulescense subspecies...
|
|
|
7045065 |
Method of removing radioactive antimony from waste streams
A method and related apparatus for monitoring and eliminating gas build-up in an anion exchange column comprised of an anion exchange material placed within a vessel and a liquid layer comprising...
|
|
|
7022292 |
Radioactive waste treatment facility
An injection and solidification operation as well as a kneading and solidification operation can be performed by a single facility. A decreased amount of radioactive secondary waste is generated. A...
|
|
|
6998052 |
Multicolumn selectivity inversion generator for production of ultrapure radionuclides
A multicolumn selectivity inversion generator separation method has been developed in which a desired daughter radionuclide is selectively extracted from a solution of the parent and daughter...
|
|
|
6998054 |
Selective fluoride and ammonia removal by chromatographic separation of wastewater
A process for fluoride removal from wastewater streams produced during industrial operation for further industrial use or to comply with environmental regulations. The process segregates the...
|
|
|
6991731 |
Treatment process for removing radioactive thorium from solvent extraction liquid effluent
The liquid effluent from solvent extraction contains radioactive thorium Th-231 and Th-234. This invention uses an ion exchange process to remove and concentrate the thorium. The process is...
|
|
|
6972095 |
Magnetic molecules: a process utilizing functionalized magnetic ferritins for the selective removal of contaminants from solution by magnetic filtration
A decontamination system uses magnetic molecules having ferritin cores to selectively remove target contaminant ions from a solution. The magnetic molecules are based upon a ferritin protein...
|
|
|
6881347 |
Method for removing radioactive substances from affecting water wells
The natural ability of an aquifer formation to remove radionuclides from ground water is recharged by injecting a leaching solution a well. The leaching solution replaces the radionuclides at...
|
|
|
6852296 |
Production of ultrapure bismuth-213 for use in therapeutic nuclear medicine
A multicolumn selectivity inversion generator has been developed in which bismuth-213 is selectively extracted from an HCl solution of the actinium-225 parent (and its radiogenic descendents) by a...
|
|
|
6852233 |
Metal-collecting apparatus and method for elution and recovery of metal from metal-collecting material
An object of the present invention is to provide a structure of a metal collecting material for use in seawater or river water or industrial wastewater to give the most excellent adsorption...
|
|
|
6843921 |
Method of separation and recovery of elements from radioactive liquid wastes
A method of separation and recovery of elements from radioactive liquid wastes, includes a step of bringing into contact a high-level radioactive liquid waste containing separation target elements...
|
|
|
6824690 |
Zirconium-modified materials for selective adsorption and removal of aqueous arsenic
A method, composition, and apparatus for removing contaminant species from an aqueous medium comprising: providing a material to which zirconium has been added, the material selected from one or...
|
|
|
6786948 |
Method for phytomining of nickel, cobalt and other metals from soil
The recovery of nickel, cobalt and other metals by phytomining is described. Plants of the Alyssum genus are grown in nickel rich soil. The uptake of nickel is enhanced by maintaining specific soil...
|
|
|
6787042 |
Automated radionuclide separation system and method
A gas-free system for separating a solution of substantially impurity-free daughter products from an associated parent load solution includes a pump, a plurality of multi-port valves, separation...
|
|
|
6767468 |
Method to remove uranium/vanadium contamination from groundwater
A process for removing uranium/vanadium-based contaminants from groundwater using a primary in-ground treatment media and a pretreatment media that chemically adjusts the groundwater contaminant to...
|
|
|
6667016 |
Inorganic-organic hybrid gels for extracting species such as lanthanides and actinides, and their preparation
Inorganic-organic hybrid gels can be employed to extract chemical species such as lanthanides and actinides and their preparation. The gels include a network of inorganic components with the...
|
|
|
6652661 |
Radioactive decontamination and translocation method
A method for removing a wide variety of radioactive contaminants from a contaminated surface sufficient for the surface to be classified as a low-level waste or as free release. Contaminated...
|
|
|
6602421 |
Method for purifying contaminated groundwater using steel slag
A method for purifying contaminated water involves passing contaminated water through a porous bed of steel slag. The steel slag can be used to remove various contaminants or reduce the...
|
|
|
6603127 |
Bismuth-213 generator and uses thereof
The present invention provides a generator capable of producing therapeutic Bismuth-213 doses. Also disclosed are methods of preparing Bismuth-213-labeled compounds using such generator and...
|
|
|
6558552 |
Composite material based on hexacyanoferrates and polymer, method for making it and use
The invention relates to a composite solid material fixing mineral contaminants, with a metal hexacyanoferrate basis, characterised in that it comprises a solid support coated with a pellicle of an...
|
|
|
6531064 |
Method for removal of radionuclide contaminants from groundwater
A system for remediating groundwater contaminated with radionuclides, consisting of an underground bed of crushed zeolites. Distribution pipes convey contaminated groundwater to the zeolite bed by...
|
|
|
6511603 |
Alkaline earth cation extraction from acid solution
An extractant medium for extracting alkaline earth cations from an aqueous acidic sample solution is described as are a method and apparatus for using the same. The separation medium is free of...
|
|
|
6482380 |
Silicotitanate molecular sieve and condensed phases
A new microporous crystalline molecular sieve material having the formula Cs 3 TiSi 3 O 95 •3H 2 O and its hydrothermally condensed phase, Cs 2 TiSi 6 O 15 , are disclosed. The microporous...
|
|
|
6479300 |
Metal loaded ligand bound membranes for metal ion affinity chromatography
Methods, compositions and devices for purifying polypeptides and/or proteins using metal loaded ligand bound membranes by metal ion affinity chromatography are described.
|
|
|
6436294 |
Process for modifying the metal ion sorption capacity of a medium
A process for modifying a medium is disclosed that includes treating a medium having a metal ion sorption capacity with a solution that includes: A) an agent capable of forming a complex with metal...
|
|
|
6432313 |
Method for concentrating, removing, and separating selected ions from source solutions using particulate solid supports functionalized with polyhydroxypyridinone ligands
Compositions and methods for selectively binding metal ions from a source solution comprise using a polyhydroxypyridinone-containing ligand covalently bonded to a particulate solid support through...
|
|
|
6432306 |
Device for the deionization of substances that are not stable at acidic pH
A process based on ion exchange with separated beds is disclosed for the deionization of substances that are not stable in the presence of strongly acidic cation exchangers, wherein the solution to...
|
|
|
6419832 |
Process for removing dissolved uranium from water
A process for removing dissolved uranium from water is provided. The process basically comprises (a) mixing phosphoric acid or particulate bone ash with the water, (b) mixing calcium hydroxide with...
|
|
|
6402953 |
Adsorption means for radionuclides
The invention relates to adsorption material for radionuclides based on a fine fibrous material containing chitin. The material is obtained from fungi and insoluble ferrocyanides of the transition...
|