Shallow (10s to 200 m) geological disposal facilities for particular nuclear wastes have been developed in a number of countries (e.g. SFR in Sweden) and are under active consideration elsewhere.

Quintessa provides a range of services related to the development and application of scientific software including general-purpose software products, in-house mathematical modelling, tools, custom ...

AMBER allows users to build and visualise 3D dynamic compartment models of contaminants in environmental, biological and engineered systems. The software is flexible, transparent, fully probabilistic ...

Quintessa has developed a PHREEQC version of the Yucca Mountain EQ3/6 thermodynamic database that includes 'Pitzer data'to parameterise the activity coefficients of aqueous species. The work was ...

A range of Quintessa software and documentation is available for download below, including AMBER, GraphGrabber, Portfolio Picker, QPAC, TESLA, and LATIN.

Since 2004, Quintessa has carried out research and development in support of EDF Energy (and formerly British Energy) for the continued safe operation of Advanced Gas Cooled Reactors (AGRs). A ...

Applied research publications relating to strategic and environmental issues arising from nuclear and carbon-based power generation.

Quintessa is pleased to announce that it has made the shortlist of six companies selected by the Employee Ownership Association (EOA) for its employee-owned business of the year award. The award is ...

Quintessa staff are specialists in understanding the behaviour of radionuclides in environmental systems. Our capabilities extend from understanding experimental data to modelling radionuclide ...

Performance Assessment framework for CO2In August Richard Metcalfe gave a presentation about Quintessa’s flexible framework for integrated Performance Assessment (PA) of geological CO 2 storage at a ...

Quintessa developed a generic Features, Events and Processes (FEP) database for the geological storage of carbon dioxide, and has also been developing a generic FEP database for the decommissioning of ...

Quintessa employees have expertise in gas storage, including methane and hydrogen storage. This is drawn from wider experience of underground storage of carbon dioxide, hazardous waste and radioactive ...