Sellafield Limited

IAIN -- **I**ntegrated **A**lpha **IN**strument is an innovative, integrated tool which allows us for the first time to measure and characterise alpha activity remotely, more specifically plutonium on a range of materials such as concrete, The tool permits alpha activity to be measured and sampled providing complete characterisation in <150 seconds. This ...

It's vitally important we keep our infrastructure, construction & industrial sites running. In 2018 construction provided 3m jobs and contributed £250 billion to the UK economy or 15% of UK GDP. More broadly, engineering enterprises employed 19% of the UK labour force and generated 23% of the UK's turnover. Against a backdrop of skills shortages costing U...

Levels of radioactivity in contaminated buildings on nuclear licensed sites are measured in a variety of ways including surface monitoring, but the only method of analysis for alpha-emitting radioactivity in situ is with the use of monitors which are easily contaminated and damaged by grit and dust, and cannot be used in inaccessible areas, such as pipes....

The post operational clean out (POCO) of the highly active liquor storage tanks at Sellafield site will require the removal and immobilisation of residual solids from the heel of the tanks. The solids are expected to contain high levels of molybdenum and zirconium which are insoluble fission by-products. Some of the older highly active liquor storage tank...

ViridiScan is a new tool for on-site, in-situ surface characterisation in nuclear decommissioning applications. It will allow rapid, cost-effective measurement of radionuclides in building materials and will result in considerable cost saving through the better segregation of waste. Currently, samples are removed from surfaces by drilling, exposing the op...

This 3 year project will enable GTS to exploit the Apollo furnace technology plus glass science knowledge from the University of Sheffield, with direction provided by Sellafield Ltd and NNL, to develop the novel ‘Hazmelt’ thermal treatment process, capable of vitrifying a wide range of Intermediate Level Waste (ILW) streams. The Hazmelt process combines c...

Sellafield Limited is committed to the acceleration of the decommissioning of its highest hazard legacy plants. To do that it is necessary to retrieve and process radioactive waste sludges in a safe and efficient manner. These are extremely complex and variable materials and so it is important to be able to model their behaviour in critical parts of the p...

Nuclear wastes are stored in a number of containers. It is proposed that such wastes may be stabilised simply by deploying a high fluidity inorganic suspension onto the wastes and allowing a low-temperature solidification to take place. By doing so, this will eliminate or reduce the technical, programme, evironmental and safety risks associated with more ...

Decommissioning of radiactively contaminated structures is expensive , time consuming and hazardous. Conventional methods used to assess the best disposal route for radioactively contaminated concrete, brick, rubble etc require the operator to take a sample from the surface generating contaminated dust and for that sample to be taken off-site to a laborat...

Awaiting Public Summary