Radioactive Decontamination TRIZ Cases

A segmented transfer pipe drills into concrete drums, filters solids, and drains leaked radioactive liquid while protecting the inner waste container.

A transfer pipe and tilting support remove leaked radioactive liquid from concrete drums while preserving inner container integrity.

Laser ablation removes contaminated surface layers from complex workpieces while vapor analysis controls decontamination and avoids secondary waste.

A partial enclosure with a transparent window and local vacuum captures laser-ablation fumes at the source to protect equipment and personnel.

Metakaolin, fumed silica, and potassium hydroxide solidify boron-containing radioactive waste without cement setting delays or weak strength.

Oxalic acid dehalogenation removes halogens at lower temperature before vitrification, reducing nuclide migration risk and raising waste loading.

Sensors and controller logic automate column discharge and container switching to recover residual fluid faster during radionuclide separation.

Surface and subsurface decontamination plus real-time scan sorting lower radioactive waste class and open less costly disposal routes.

Large-diameter salt boreholes store remote-handled TRU waste without tunnels or human access, cutting disposal cost and facility complexity.

An inflatable pipe plug applies uniform pressure to reset dislocated RF shield fingers in vacuum bellows without cutting the beam line.

Hot-water denaturation releases bound radioactive ions from aptamer beads, allowing column reuse and reducing secondary waste.

This case uses a clay-based adsorbent to replace energy-intensive purification and simplify separation of radium-bearing solids.

Phosphoric acid dissolution converts contaminated ferrous nuclear waste into stable iron-phosphate glass for direct vitrification.

A high-pressure injection system creates fractures in granite strata to permanently encapsulate nuclear waste underground.

Zinc addition prevents recontamination and reduces ion exchange resin waste.

A remote restart system repositions glass frit and titanium rings inside a vitrification furnace using a robotic handling unit.

A chelate-free reagent removes radioactive oxide layers from metal surfaces using reducing agents and inorganic acids.

Sodium hydroxide neutralizes boric acid to reduce waste volume, while quartz sand prevents cement strength loss from interference.

A drying vessel uses a boiling lance to inject gas into radioactive liquid-solid mixtures for homogeneous evaporation.

Cooling bitumen to brittleness allows mechanical shock separation, avoiding heating risks and reducing solvent use in radioactive waste treatment.

Adding iron or rare earth nitrates as a dilution adjuvant prevents clogging while minimizing confinement glass production.

Electrolytic deposition concentrates radioactive contaminants on electrodes, reducing waste volume and simplifying disposal.

Mineralizing spent ion-exchange resins via oxidizers eliminates evaporation steps, reducing energy consumption while stabilizing radioactive waste confinement.

Mineral powder and nano carbon liquid adsorb tritium from contaminated water, resolving storage capacity limits and preventing marine pollution.

Alternating acidic and alkaline cycles oxidize chromium III to soluble chromium VI, overcoming limited solubility in single-condition treatments.

Iron(II) and sulfide ions convert dissolved cesium into stable inorganic crystals, reducing waste volume compared to organic ion exchange resins.

Ozone oxidation destroys chelants in radioactive concentrate while powdered sorbent removes isotopes, optimizing pH to prevent boron precipitation.

A laser decontamination device uses a Z axis scanner to condense beam energy onto contaminated surfaces without compound lenses.

Methanesulfonic acid dissolves oxide layers while permanganic acid converts them to soluble metal oxides, preventing manganese dioxide formation.

A mineral composition synthesized from living structures immobilizes nuclear waste through a substantially athermal reaction with water.

Thermal roasting and steam reforming volatilize radionuclides from irradiated graphite for safer handling.

An integrated filter assembly and ionization chamber remove radioactive isotopes from vented air to prevent environmental contamination.