Brian Dempsey

• Professor of Environmental Engineering
• 212 Sackett
• University Park
• Telephone: (814) 865-1226
• FAX: (814) 863-7304
• E-mail: bad5@psu.edu
•  
• Department faculty webpage
• Engineering Environmental Institute webpage

Keywords:

• Acid Mine Drainage (AMD)
• Chemical Reactions/Kinetics
• Chemistry (Aquatic)
• Chemistry (Colloid)
• Chemistry (Environmental)
• Chemistry (Inorganic)
• Chemistry (Organic)
• Coagulation
• Environmental Engineering
• Environmental Restoration or Remediation
• Membranes
• Physical and Chemical Adsorption
• Pollutant Fate and Transport
• Redox processes
• Solid - Liquid Interfaces
• Total Maximum Daily Load (TMDL)
• Waste Water Treatment
• Water Quality / Pollution
• Water Resources Environmental Impacts
• Water Treatment

Active Research Projects:

• Arsenic Removal by Iron-Modified Activated Carbon
• Arsenic Removal from Water with Iron-Tailored Activated Carbon: Fundamental Redox Characterization
• Optimization of Electrocoagulation & Coagulation Pretreatment for Ultrafiltration
• Reation-based Reactive Transport Modeling of Iron Reduction and Uranium Immobilization at Area 2 of the NABIR Field Research Center

Completed Research Projects:

• 2001 Water Resources Research Center Annual Base Program
• AMD TMDLS and Sampling for BWC
• Arsenic removal techniques: via activated carbon that is tailored with organic Carboxyl-Iron complexes
• Arsenic treatment solutions for very small systems: arsenic removal with activated carbon that is tailored with organic Corboxyl-metal complexes that perform at neutral pH
• Demonstration of Porous Pavement to Control Urban Runoff
• Guidance Manual on Coagulant Change-Over
• Impact of Iron-Reducing Bacteria on Metals and Radionuclides Adsorbed to Humic-Coated Iron (III) Oxides (NABIR I)
• Innovative arsenic removal onto activated carbon that is preloaded with organic-iron complexes - Phase II
• Iron Reduction and Radionuclide Immobilization: Kinetic, Thermodynamic and Hydrologic Controls & Reaction-Based Model (NABIR II )
• Stable Suspensions of Activated Carbon & Bentonite Clay in Acidic Aluminum Sulfate Solutions