< Back to previous page

Project

Antimony recovery in waste combustion processes

The scope of the doctoral research covers the chemical and physical behavior of antimony (Sb) in waste combustion processes by means of multidimensional computational fluid dynamics (CFD) modeling and experimental validation. Specifically, non-recyclable plastic waste of electrical and electronic equipment (WEEE) is used due to the presence of Sb acting as flame retardant synergist. Within an experimental study, operational combustion parameters are determined which optimize the recoverability of Sb from the ash. Simulations of the volatilization behavior of Sb are provided by a CFD model which incorporates heat and mass balances, as well as kinetic and equilibrium data . The results of the model will be validated by both lab-scale experimental results and operational data from industrial scale waste-to-energy (WtE) plants. The outcome of the research will consist of a protocol for maximal Sb recovery in waste combustion processes and for which a forecast of the economic relevance and related valorization potential will be made.

Date:22 Nov 2019 →  Today
Keywords:urban mining, material recovery
Disciplines:Metals recycling and valorisation
Project type:PhD project