| Patents for G21F 9 - Treating radioactively contaminated material; Decontamination arrangements therefor (8,212) |
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| 09/10/1991 | CA1288599C Process for the stripping of cesium ions from aqueous solutions |
| 09/10/1991 | CA1288586C Preparation of particulate radioactive waste mixtures |
| 09/05/1991 | WO1991013030A1 Processing mixed waste |
| 09/04/1991 | EP0445033A1 Mobile intervention confinement allowing access to an installation in a hot cell |
| 09/04/1991 | EP0444104A1 Processing of a dry precursor material. |
| 09/04/1991 | CN1013768B Process for treatment waste solution containing ammonium ions and fluorineions |
| 09/03/1991 | US5045273 Method for chemical decontamination of the surface of a metal component in a nuclear reactor |
| 09/03/1991 | US5045241 Using inorganic matrix |
| 09/03/1991 | US5045240 Contaminated soil restoration method |
| 09/03/1991 | US5045215 Removing hazardous contaminants from water |
| 08/29/1991 | DE4042330A1 Glass melting furnace bottom electrode - forming part of tapping device to prevent tap-hole blockage |
| 08/29/1991 | DE4005805A1 Disposal of nuclear submarines at end of service - by encapsulating submarine in concrete for storage filling inside of submarine with concrete |
| 08/29/1991 | CA2036961A1 Mobile intervention chamber providing access to an installation placed in an active cell |
| 08/27/1991 | US5043103 Method and apparatus for centrifugally casting hazardous waste |
| 08/22/1991 | DE4029222C1 Economical and efficient tritium sepn. - involves passing gas to molten electrodes to ionise molecules, wash tower for absorption and condensate prodn. |
| 08/20/1991 | US5041193 Acitnide recovery |
| 08/14/1991 | DE4000383C1 Confining hydrogen explosion in container of radioactive waste - by storing container in borehole of geological salt formation and surrounding with salt chippings to form flame barrier |
| 08/14/1991 | CN1053859A Method for recovering with aid of crown compound plutonium (iv) present in solutions, such as aqueous effluents, concentrated solutions of fission prouducts and concentrated solutions of plutonium |
| 07/31/1991 | EP0438776A1 Preparation of insoluble tannin and its applications for waste treatment and adsorption processes |
| 07/30/1991 | US5035840 Esterification of ethylenediamine tetraacetic acid |
| 07/30/1991 | US5035735 Process for vitrifying environmentally hazardous waste material in a glass melting furnace |
| 07/30/1991 | US5035342 Container for nuclear fuel elements |
| 07/23/1991 | US5033533 Method for producing a container for contaminated metal waste, and a container produced by this method |
| 07/17/1991 | EP0437394A1 Agitator-drive unit, especially for a device for the reprocessing of irradiated fuel by means of a mixer-setler equipment |
| 07/17/1991 | EP0436942A2 Device for removing hydrogen from hydrogen, oxygen and aerosol containing gaseous mixture |
| 07/17/1991 | EP0436528A1 Electric surface-polishing device. |
| 07/11/1991 | DE4003833A1 Catalytic hydrogen gas absorption unit for nuclear reactors - has filter enclosure to protect catalytic coating from aerosol fat and steam pollution before working temp. is reached |
| 07/03/1991 | EP0435486A2 System and method for loosening and removing sludge and debris from the interior of a vessel of a heat exchanger |
| 07/03/1991 | CN1013024B System for removing liquid from slurry consisting of liquid and powder material |
| 07/02/1991 | US5028402 Process for separating by means of crown ethers the uranium and plutonium present in an aqueous medium resulting from the reprocessing of irradiated nuclear fuels |
| 07/02/1991 | US5028298 Waste water concentrator and waste water disposal plant |
| 06/27/1991 | DE3942188A1 Radioactive gas scrubbing process - removes unwanted radioactive ingredients by rotating active carbon filter, recycling part of scrubbed gas |
| 06/27/1991 | DE3942027A1 Removing radioactive mineral from plant or animal material - by extn. with opt. aq. carboxylic acid or deriv. |
| 06/27/1991 | CA2032756A1 System and method for vertically flushing a steam generator during cleaning operation |
| 06/26/1991 | EP0338060B1 Method for stabilizing, solidifying and storing waste material |
| 06/25/1991 | US5026481 Liquid membrane catalytic scale dissolution method |
| 06/25/1991 | US5026215 Method of grouting formations and composition useful therefor |
| 06/25/1991 | US5025523 Apparatus for remotely decontaminating reactor cavity walls |
| 06/25/1991 | CA1285179C Method for controlling incineration in combustor for radioactive wastes |
| 06/19/1991 | EP0433175A1 Process for recovering plutonium (IV) by means of crown-ether from solutions like aqueous waste solutions, concentrated solutions of fission products and concentrated solutions of plutonium |
| 06/18/1991 | US5024805 Method for decontaminating a pressurized water nuclear reactor system |
| 06/18/1991 | US5024767 Blend of anion exchanger and polyamide or polyester graft polymer as cation exchanger |
| 06/16/1991 | CA2031749A1 Method for recovering with the aid of a crown compound plutonium (iv) present in solutions, such as aqueous effluents, concentrated solutions of fission products and concentrated solutions of plutonium |
| 06/12/1991 | EP0432027A1 High-pressure cleaner equipped with an assembly for recuperating cleaning liquid and waste |
| 06/12/1991 | EP0431085A1 Method of decontaminating earth. |
| 06/11/1991 | US5022995 Compressive dewatering in vacuum; radioactive materials |
| 06/11/1991 | US5022788 Subductive waste disposal method |
| 06/11/1991 | US5022787 Method of returning geothermal gases to the underground |
| 06/05/1991 | CN1012771B Electrolytic reduction-extraction method for reclaiming np from waste radio active liquor |
| 06/04/1991 | US5021205 Concrete manufacturing process |
| 05/28/1991 | US5019329 System and method for vertically flushing a steam generator during a shock wave cleaning operation |
| 05/28/1991 | US5019228 Nuclear parts purification with deionized water electrolyte solution |
| 05/23/1991 | DE3938275A1 Radio-iodine removal from waste waters - in continuous pptn. and filtration circuit |
| 05/22/1991 | EP0428309A2 Waste treatment |
| 05/22/1991 | CN1012658B Series of radioactive-pollutant eliminating detergent for traditional chinese medicine |
| 05/21/1991 | US5017331 Nuclear power plant having a containment |
| 05/14/1991 | US5014368 Method for monitoring the discharge of liquids and apparatus therefor |
| 05/08/1991 | EP0426048A2 Production and use of crystalline hydrogen-phosphate compounds having layer structure |
| 05/07/1991 | USH914 Apparatus for supporting contactors used in extracting nuclear materials from liquids |
| 05/07/1991 | US5013522 Corrosion products in water-cooled nuclear reactor |
| 05/02/1991 | WO1991006105A1 Vibratory calciners |
| 05/02/1991 | DE3935677A1 Decontamination emulsions prodn. for ABC contaminated parts - has 2 halves of water phase and organic phase fed separately and emulsion produced immediately at point of use |
| 05/02/1991 | DE3935676A1 Spray gun for emulsions for ABC decontamination equipment - has 3 entries 2 for independent halves of water phase and one for organic phase and baffled or diffuser channels |
| 05/02/1991 | DE3935645A1 Underwater disposal of spent nuclear fuel elements - by entering fuel elements into shaft for cutting and circulating water using filter as barrier against pollution entering pond |
| 04/30/1991 | US5011677 For radiation therapy |
| 04/24/1991 | EP0424246A1 Process for elimination of organic matters, which are dissolved or dispersed in an aqueous solution, e.g. radio-active effluents |
| 04/24/1991 | EP0424169A2 Method of stopping combustion in restrained combustion furnace in safety and combustion stop system therefor |
| 04/24/1991 | EP0423945A1 Purifier for nuclear reactor cooling water and method of purification |
| 04/18/1991 | WO1991005351A1 An arrangement for the storage of environmentally hazardous waste |
| 04/16/1991 | US5008045 Means for removal of heat; non-cylindrical shapes for dense compaction |
| 04/16/1991 | US5008044 Process for decontaminating radioactively contaminated metal or cement-containing materials |
| 04/16/1991 | CA1282950C Vibratory processing arrangements |
| 04/09/1991 | US5006254 Extraction with halogenated beta-diketone |
| 04/04/1991 | WO1991004561A1 Method and apparatus for separating radionuclides from non-radionuclides |
| 04/03/1991 | EP0420723A2 Method of compacting radioactive metal wastes |
| 04/03/1991 | EP0420719A2 Method of evacuating radioactive waste treating container to vacuum |
| 04/03/1991 | EP0419777A1 Actinide recovery |
| 04/03/1991 | EP0419649A1 Radiation filtration method and apparatus for incubator and autoclave systems handling radioactive items |
| 04/02/1991 | US5004373 Method for initiating in-situ vitrification using an impregnated cord |
| 04/02/1991 | CA1282503C Block containing waste with a view to the storage thereof and processfor producing such a block |
| 03/30/1991 | CA2020601A1 Actinide recovery |
| 03/27/1991 | EP0419162A2 Method and apparatus for solidifying radioactive waste |
| 03/27/1991 | EP0418722A1 Total decontamination process for radioactive metal material |
| 03/27/1991 | EP0418374A1 Sulfate scale dissolution. |
| 03/26/1991 | US5002079 Pressure pulse method and system for removing debris from nuclear fuel assemblies |
| 03/21/1991 | WO1991003815A1 Process and installation for the removal of radioactive caesium from suspensions, solutions and similar liquids, and ion-exchange beads suitable for this purpose |
| 03/20/1991 | EP0417881A1 Method of sealing permeable unconsolidated materials |
| 03/20/1991 | EP0417238A1 Silicon-containing environment-protective agent adsorbing radioactive metal isotopes and toxic heavy metals and a pharmaceutical composition containing same. |
| 03/19/1991 | US5000617 Store |
| 03/13/1991 | EP0416756A2 Method for decontaminating a pressurized water nuclear reactor system |
| 03/12/1991 | CA1281172C Formation of ceramics |
| 03/07/1991 | DE4021046A1 Removing radioactive caesium from solns. and suspensions etc. - by filtering, recycling retentate to batch containers, feeding permeate to ion exchange, and adding permeate to previous retentate |
| 03/06/1991 | CN1011931B Chemical reagent and process for disposal of waste |
| 02/26/1991 | US4996019 Storage container for radioactive waste |
| 02/26/1991 | US4995985 Gel bead composition for metal adsorption |
| 02/26/1991 | US4995984 Supported heteropolycyclic compounds in the separation and removal of late transition metals |
| 02/26/1991 | CA1280584C Compositions and method for neutralization and solidification of hazardous acid spills |
| 02/26/1991 | CA1280583C Compositions and method for neutralization and solidification of hazardous alkali spills |
| 02/21/1991 | WO1991001737A1 A preparation of zeolites and brown algae for purification of preferably hydrophilic liquids, contaminated with heavy metals that may be radioactive |
| 02/19/1991 | CA1280449C Chemical reagent and process for the disposal of waste |