Sökning: "Alexandre Barreiro Fidalgo"

Hittade 1 avhandling innehållade orden Alexandre Barreiro Fidalgo.

1. 1. Experimental studies of radiation-induced dissolution of UO2 : The effect of intrinsic solid phase properties and external factors

   Författare :Alexandre Barreiro Fidalgo; Mats Jonsson; David Shoesmith; KTH; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Oxidation; dissolution; uranium dioxide; gadolinium; bentonite; sulfide; hydrogen; gamma radiation; radiolysis; hydrogen peroxide; hydroxyl radical; repository; Kemi; Chemistry;

   Sammanfattning : Dissolution of the UO2 matrix is one of the potential routes for radionuclide release in a future deep geological repository for spent nuclear fuel. This doctoral thesis focuses on interfacial reactions of relevance in radiation-induced dissolution of UO2 and is divided in two parts:In the first part, we sought to explore the effects of solid phase composition:The impact of surface stoichiometry on the reactivity of UO2 towards aqueous radiolytic oxidants was studied. LÄS MER