1. Process development for selective separation of critical elements from secondary resources Open Access Author: Vaziri Hassas, Behzad Title: Process development for selective separation of critical elements from secondary resources Graduate Program: Energy and Mineral Engineering Keywords: Critical ElementsRare Earth ElementsSecondary ResourcesAcid Mine DrainageStaged Precipitation File: Download PhD_Dissertation_-_Behzad_Vaziri_Hassas.pdf Committee Members: William Burgos, Outside Unit & Field MemberSarma Pisupati, Major Field MemberMohammad Rezaee, Chair & Dissertation AdvisorAthanasios Karamalidis, Major Field MemberMort Webster, Professor in Charge/Director of Graduate Studies