Thiruvenkatachari Viraraghavan, Ph.D., P.Eng.

Professor Emeritus

B.E. (Madras)
M.Sc. (Madras)
Ph.D. (Ottawa)

Phone: (306) 585-4094
Fax: (306) 585-4855
Email: t.viraraghavan@uregina.ca

Research Activities

    •    Studies on removal of aluminum, arsenic, nitrate and selenium from drinking water
    •    Studies on removal of heavy metals, color, organics by peat, fly ash, bentonite and fungal biomass
    •    Studies on municipal wastewater treatment by UASB reactors at low temperatures
    •    Studies on lagoon systems and wastewater reclamation
    •    Studies on coalescence/filtration of oil-in-water emulsions by granular media, organoclays, and peat
    •    Biodegradability and toxicity studies on refinery wastewaters
    •    Research on bioremediation of petroleum-contaminated sites

Selected Publications

    •    Srinivasan, A., and Viraraghavan, T., “Oil Removal from Water by Fungal Biomass: A Factorial Design Analysis”, Journal of Hazardous Materials, 175(1-3): 695-702, 2010.
    •    Srinivasan, A., and Viraraghavan, T., “Perchlorate: Health Effects and Technologies for its Removal from Water Resources”, International Journal of Environmental Research and Public Health, 6(4): 1418-1442, 2009.
    •    Pokhrel, D., and Viraraghavan, T., “Biological Filtration for Removal of Arsenic from Drinking Water”, Journal of environmental Management, 90(5): 1956-1961, 2009.
    •    Srinivasan, A., and Viraraghavan, T., “Removal of Oil by Walnut Shell Media”, Bioresource Technology, 99(17): 8217-8220, 2008.
    •    Narr, J., Viraraghavan, T., and Jin, Y-C., “Applications of Nanotechnology in Water/Wastewater Treatment – A Review”, Fresenius Environmental Bulletin, 16(4): 320-329, 2007.
    •    Pokhrel, D., and Viraraghavan, T., “Arsenic Removal from an Aqueous Solution by a Modified Fungal   Biomass”, Water Research, 40(3): 549-552, 2006.
    •    Singh, K. S., Viraraghavan, T., and Bhattacharya, D., “Sludge Blanket Height and Flow Pattern in UASB Reactors: Temperature Effects”, Journal of Environmental Engineering – ASCE, 132(8): 895-900, 2006.

Research Interests

  • Water treatment
  • Adsorption processes
  • Biological wastewater treatment
  • Biodegradability, toxicity studies and bioremediation
  • Oil-in-water emulsions