Joe Heffron, Ph.D.

Joe Heffron, Ph.D.

Joe Heffron, PH.D. Professor of Environmental Engineering joseph.heffron@valpo.edu 219.464.6811 Gellersen Center, Room 107

Education

B.A.- Drake University
M.S.- Marquette University
Ph.D. – Marquette University

Courses Taught
  • CE 213: Technical and Professional Writing
  • ENE 210: Environmental Toxicology and Risk Assessment
  • ENE 330: Environmental Soils
  • ENE 360: Environmental Policy and Law
  • ENE 450: Hazardous Waste Management
  • Environmental biotechnology
  • Advanced drinking water treatment
Research Interests

Viruses and waterborne pathogens; environmental electrochemistry; distributed water treatment and reclamation

Publications
  • Heffron, J, and Mayer, BK (2021) Spotlight: Theories and methods of virus isoelectric point estimation (Minireview). Applied and Environmental Microbiology 87(1), DOI: 10.1128/AEM.02319-20 (In Print).
  • Heffron, J, and Mayer, BK (2020) Spotlight: Improved virus isoelectric point estimation by exclusion of known and predicted genome-binding regions. Applied and Environmental Microbiology 86(23),e01674-20.
  • Lynn, W, Heffron, J, and Mayer, BK (2019) Electrocoagulation as a pretreatment for electroxidation of E. coli. Water 11, 2509.
  • Heffron, J., McDermid, B., Maher, E., McNamara, P.J. and Mayer, B.K. (2019) Mechanisms of virus mitigation and suitability of bacteriophages as surrogates in drinking water treatment by iron electrocoagulation. Water Research 163, 114877.
  • Heffron, J, McDermid, B, and Mayer, B.K. (2019) Bacteriophage inactivation as a function of ferrous iron oxidation. Env. Sci.: Water Research Technol. 5, 1309-1317.
  • Heffron, J, Ryan, DR, and Mayer, BK (2019) Sequential electrocoagulation-electrooxidation for virus mitigation in drinking water. Water Research 160, 435-444.
  • Maher, E.K., O’Malley, K.N., Heffron, J., Huo, J., Wang, Y., Mayer, B.K. and McNamara, P.J. (2019) Removal of estrogenic compounds via iron electrocoagulation: impact of water quality and assessment of removal mechanisms. Env. Sci.: Water Research Technol. 5, 956-966.
  • Maher, E.K., O’Malley, K.N., Heffron, J., Huo, J., Wang, Y., Mayer, B.K. and McNamara, P.J. (2019) Analysis of operational parameters, reactor kinetics, and floc characterization for the removal of estrogens via electrocoagulation. Chemosphere 220, 1141-1149.
  • Heffron, J., Marhefke, M., and Mayer, B.K. (2016). Removal of trace metal contaminants from potable water by electrocoagulation. Scientific Reports 6, 28478.
  • Heffron, J. and Mayer, B.K. (2016). Emerging Investigator Series: Virus mitigation by coagulation: recent discoveries and future directions. Env. Sci.: Water Research Technol. 2(3), 443-459