| Patent Number |
Title Of Patent |
Date Issued |
| 6972095 |
Magnetic molecules: a process utilizing functionalized magnetic ferritins for the selective remo |
December 6, 2005 |
| 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 structure and have a very small magnetic ferritin core and a selective ion exchange function |
| 6682646 |
Electrochemical process for decontamination of radioactive materials |
January 27, 2004 |
| A system for decontamination of radioactive components includes an acidic decontamination solution which is exposed to radioactive components to remove a layer of contaminated material and an ion exchange cell which removes the radioactive contamination from the decontamination solution. |
| 6625248 |
Process for the treatment of radioactive graphite |
September 23, 2003 |
| A process for the treatment of radioactive graphite which includes the following steps: (i) reacting the radioactive graphite at a temperature in the range of from 250.degree. C. to 900.degree. C. with superheated steam or gases containing water vapor to form hydrogen and carbon monoxide |
| 6147274 |
Method for decontamination of nuclear plant components |
November 14, 2000 |
| A process for removing undesirable material such as a radioactive contaminant from an underlying material. A solution containing fluoroboric acid and a material which affects the fluoroboric acid solution oxidation potential (Eh) is contacted with the contaminant material to cause its |
| 5901368 |
Radiolysis-assisted decontamination process |
May 4, 1999 |
| A method for minimizing the radioactive waste produced by decontamination processes for water-cooled nuclear reactors. The method exposes the decontamination chemicals to the ionizing radiation emitted from the reactor fuel under controlled conditions to convert the decontamination c |
| 5855790 |
Magnetic particles, a method for the preparation thereof and their use in the purification of so |
January 5, 1999 |
| Magnetic particles which comprise a core of a magnetic material surrounded by a mixture of a fibrous material and a solid binding agent. The particles may be embedded in a polymer resin which incorporates sites, which are selective for particular ions, to form composite magnetic resin |
| 5852786 |
Process for decontaminating radioactive materials |
December 22, 1998 |
| A process for the decontamination of radioactive materials which process comprises the steps of: i) contacting the material to be decontaminated with a dilute carbonate containing solution in the presence of ion exchange particles which either contains or have a chelating function bond |
| 5805654 |
Regenerative LOMI decontamination process |
September 8, 1998 |
| A method for operating the LOMI decontamination process in a regenerative manner. The method incorporates an initial injection of a dilute LOMI solution (vanadous formate, picolinic acid and sodium hydroxide) into a decontamination circuit followed by operation of a small cluster of cati |
| 5724668 |
Method for decontamination of nuclear plant components |
March 3, 1998 |
| A process for removing undesirable material such as a radioactive contaminant from an underlying material. A solution containing fluoroboric acid and a material which affects oxidation potential (Eh) is contacted with the undesirable material to cause its removal. The material is rem |
| 5397476 |
Purification of solutions |
March 14, 1995 |
| A method for the removal of pollutant ions from an aqueous solution in which they are contained, which method includes the steps of:i) contacting the solution to be treated with particles of a composite magnetic resin which includes magnetic particles embedded in an organic polymeric mat |
| 5322644 |
Process for decontamination of radioactive materials |
June 21, 1994 |
| A process for decontaminating radioactive material comprises the step of contacting the material with a dissolving composition to dissolve the contaminants in the material, said composition comprising a dilute solution of about 0.05 molar ethylene diamine tetraacetic acid, about 0.1 |
| 5306400 |
Method for the combined removal and destruction of nitrate ions |
April 26, 1994 |
| A method for the combined removal and destruction of nitrate ions in an electrochemical cell which includes an anode compartment containing electrolyte and an anode, a cathode compartment containing electrolyte and a cathode, and a central compartment containing an anion exchange resin, |
| 5306399 |
Electrochemical exchange anions in decontamination solutions |
April 26, 1994 |
| Spent nuclear reactor coolant system decontamination solutions are first processed to remove the radioactive burden and to separate metallic impurities using cation exchange resins. The cation-processed waste solution is then flowed through an anion exchange resin held between anion- |
| 5078842 |
Process for removing radioactive burden from spent nuclear reactor decontamination solutions usi |
January 7, 1992 |
| Spent nuclear reactor coolant system decontamination solutions are processed to remove the radioactive burden and to separate metallic impurities using ion exchange resins within an electrochemical cell. The application of electric current to the electrochemical cell causes hydrogen |
| 4731124 |
Application technique for the descaling of surfaces |
March 15, 1988 |
| A method of applying a descaling reagent comprising a one-electron reducing agent which is a low oxidation state transition metal ion in combination with a complexing agent to a surface to be treated to descale the surface which method comprises:(i) maintaining a low oxidation state tran |
| 4705573 |
Descaling process |
November 10, 1987 |
| A process for the removal of deposits consisting essentially of the oxides of one or more transition metals from a surface, which process comprises contacting the said surface at a pH in the range of from 2.0 to 7.0 with a reagent comprising a one-electron reducing agent which is the com |
| 4625525 |
Apparatus and method for producing frosted drinks |
December 2, 1986 |
| Apparatus and method for producing frosted cocktails and other frosted drinks. The drinks consist of a slush containing a liquid, frozen crystals of the liquid and other ingredients. The slush is circulated continuously between a freezing station and a dispensing head, and the product is |
| 4470951 |
Application technique for the descaling of surfaces |
September 11, 1984 |
| A method of applying a descaling reagent comprising a one-electron reducing agent which is a low oxidation state transition metal ion in combination with a complexing agent to a surface to be treated to descale the surface which method comprises:(i) maintaining a low oxidation state tran |
