Date of Graduation


Document Type


Degree Type



Statler College of Engineering and Mineral Resources


Civil and Environmental Engineering

Committee Chair

Roger C Viadero, Jr


Acid Mine Drainage (AMD) is produced when sulfide minerals in overburden are subjected to oxygen and water, and generally contains low pH, high acidity and high dissolved metal concentrations. Typically, active treatment of AMD involves the addition of a neutralizing reagent to raise the pH and precipitate the metals as their respective insoluble metal hydroxides. As a by-product of the active treatment of AMD, a large amount of sludge is generated. A site, established in Monongalia County, WV for the active treatment of AMD using ammonia and hydrogen peroxide, generated sludge consisting mainly of water with a total solids concentration in the range of ∼0.15--1.20% (g/g). No data on the sludge from anhydrous ammonia treated AMD was available in the literature. The objectives of this research were (1) determine if aging, storage temperature (4°C and 20°C) and mixing affect the properties of sludge collected after primary settling and the dewatering of AMD sludge which would further affect our approach to treatability and (2) to study the effectiveness of dewatering treatment methods on the sludge collected before and after primary settling. (Abstract shortened by UMI.).