Abstract

A method for removing a radioactive noble gas from a gas volume, includes: (a) providing the gas volume such that a dew point of the gas volume at a gas temperature of 20° C. is −20° C. or less, preferably −30° C. or less, more preferably −45° C. or less; and (b) passing the gas volume over a bed of a microporous molecular sieve including a transition metal disposed on and/or in the microporous molecular sieve, thereby adsorbing the radioactive noble gas to the bed.

IPC Classes  ?

• G21F 9/02 - Treating gases
• B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
• B01D 53/26 - Drying gases or vapours

Abstract

A liquid target system (1) for the production of radio-isotopes, the liquid target system (1) comprising a boiling chamber (2) for containing the liquid, being water or 5heavy water, and basic chemicals, being salts having a positive enthalpy for water, from which the radio-isotopes can be produced using irradiation, the boiling chamber (2) comprising an irradiation window for allowing the liquid and basic chemicals to be irradiated, causing the liquid to evaporate into vapor, wherein the liquid target system is configured so that overheating of the liquid target (8) is controlled by the 10thermodynamics of the evaporation process.

IPC Classes  ?

• G21G 1/04 - Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation, or particle bombardment, e.g. producing radioactive isotopes outside of nuclear reactors or particle accelerators

Abstract

In a first aspect, the present invention relates to a method for removing a radioactive noble gas from a gas volume, comprising: (a) providing the gas volume such that a dew point of the gas volume at a gas temperature of 20 °C is ?20 °C or less, preferably ?30 °C or less, more preferably ?45 °C or less; and (b) passing the gas volume over a bed (33) of a microporous molecular sieve comprising a transition metal disposed on and/or in the microporous molecular sieve, thereby adsorbing the radioactive noble gas to the bed (33).

IPC Classes  ?

• B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
• G21F 9/02 - Treating gases

Abstract

In a first aspect, the present invention relates to a method for removing a radioactive noble gas from a gas volume, comprising: (a) providing the gas volume such that a dew point of the gas volume at a gas temperature of 20 °C is −20 °C or less, preferably −30 °C or less, more preferably −45 °C or less; and (b) passing the gas volume over a bed (33) of a microporous molecular sieve comprising a transition metal disposed on and/or in the microporous molecular sieve, thereby adsorbing the radioactive noble gas to the bed (33).

IPC Classes  ?

• B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
• G21F 9/02 - Treating gases

Abstract

The present invention describes a dosimetry system for use in an irradiation system for radiology or radiotherapy. The dosimetry system comprises an at least two dimensional, radioluminescent, irradiation detection surface comprising radiosensitive material, the radiosensitive material having radioluminescent properties. The system also comprises a detection system configured for detecting radioluminescent radiation from the at least two-dimensional detection surface upon irradiation with a radiology or radiotherapy irradiating beam. The detection system comprises a detector sensitive for radioluminescence and a filter for at least partially blocking radiation from said radiology or radiotherapy irradiating beam and ambient light.

IPC Classes  ?

• G01T 1/29 - Measurement performed on radiation beams, e.g. position or section of the beamMeasurement of spatial distribution of radiation
• G01T 1/02 - Dosimeters
• A61N 5/10 - X-ray therapyGamma-ray therapyParticle-irradiation therapy

Abstract

A method is described for producing nuclear fuel products, including the steps of receiving metallic or intermetallic uranium-based fuel particle cores, providing at least one physical vapour deposited coating layer surrounding the fuel particle core and embedding the nuclear fuel particles in a matrix so as to form a powder mixture of matrix material and coated fuel particles. The at least one physical vapour deposited coating layer may include inhibitors of inhibiting, stabilizing and/or reducing interaction between metallic and intermetallic uranium-based fuel particles cores and the matrix wherein the fuel particles typically may be embedded. The deposited coating layer may include neutron poisons.

IPC Classes  ?

• G21C 3/00 - Reactor fuel elements or their assembliesSelection of substances for use as reactor fuel elements
• G21C 3/60 - Metallic fuelIntermetallic dispersions
• G21C 3/62 - Ceramic fuel