Kripa Singh



Civil Engineering

Head Hall HB-6

1 506 453 5108


  • Ph.D., Environmental Systems Engineering, 1999, Canada
  • M.E., Environmental Engineering, 1992, Thailand
  • B.E., Civil Engineering, 1988, India


General area of specialization: Environmental Engineering and Waste Treatment Biotechnology

  • Anaerobic Membrane Bioreactors for Industrial Waste Treatment
  • Biological Wastewater Treatment
  • Water Quality and Drinking Water Treatment
  • Groundwater Remediation
  • Biofouling in Wells and Distribution Systems: Diagnosis, Treatment and Sustainable Approach for Preventative Maintenance
  • Physical - Chemical Treatment of Wastewater
  • Anaerobic Digestion of Biosolids

Courses taught

  • Introduction to Environmental Engineering (CE 3403)
  • Wastewater Treatment and Pollution Control (CE 5432)
  • Water Quality and Treatment (CE 5421)
  • Air Pollution Control (CHE 5314)
  • Environmental Engineering (CE 6483)
  • Biological Processes in Environmental Engineering (CE 6432)
  • Physical-Chemical Processes in Environmental Engineering (CE 6413)
  • Air Pollution Control (CHE 6314)

Research areas

  • Anaerobic/Aerobic Biotechnology: High-rate treatment of municipal and industrial wastewaters; enhanced granulation of sludge; utilization of biogas; effluent characterization; post treatment systems.
  • Removal of heavy metals, pharmaceuticals and color from water by inexpensive adsorbents.
  • Biological nutrient (N and P) removal from wastewaters and upgradation of treatment systems.
  • Remediation of nitrate, sulfate, arsenic and other pollutants from groundwater.
  • Study of biofouling and bicorrosion events in wells and distribution systems.
  • Development of a rapid BOD determination/forecasting system for municipal and industrial effluents based on biological aggressivity of bacteria in the samples.
  • Treatability studies of petroleum and chlorinated hydrocarbons contaminated sites.

R&D projects (lead Investigator)

  • Development of a Novel Bioreactor for Biogradeable Industrial Wastewater Treatment. (UNB-ADI Atlantic Innovation Fund Project)
  • Post Treatment and Characterization of Anaerobic Bioreactor Effluents. (NSERC project)
  • An Innovative Anaerobic Digester System for Waste Treatment and Bioenergy Production. ( UNB-ADI Atlantic Innovation Fund Project)

Professional affiliations

  • Member; International Association on Water Quality (IWA)
  • Member; Canadian Society for Civil Engineering (CSCE)
  • Member: Association of Professional Engineers and Geoscientists of New Brunswick (APEGNB)
  • Regional (Atlantic) Director: Canadian Association on Water Quality (CAWQ)

Book chapter

Singh, K. S. and Keevill, B. (2000). Using the Well Fouling Index (WFI). Chapter Nine in Microbiology of Well Biofouling (Editor: Roy Cullimore), Lewis Publishers, Boca Raton, FL, USA, pp. 401-415.

Selected publications

Kripa S. Singh, Daryl Burke, and Sharron Grant (2011). Anarobic Flat Sheet Membrane Reactor Treating Food Processing Wastewater: Pilot-Scale Performance. 12th World Congress on Anarobic Digestion, Mexico (Accepted for publication in Water Science and Technology Journal).

D. Bhattacharyya and K. S. Singh (2010). Understanding the mixing pattern in an anaerobic expanded granular sludge bed bioreactor: effect of liquid recirculation. ASCE Journal of Environmental Engineering, Vol. 136 (6), 576-584.

D. Bhattacharyya and K. S. Singh (2010). Textile dye removal in single-phase and two-phase anaerobic bio-treatment systems. ASCE Practice Periodical of Hazardous, Toxic, and Radioactive Waste Management, Vol. 14, No. 4, 250-257.

D. Bhattacharyya and K. S. Singh (2010). Color removal and the effect of reactive dyes on growth substrate utilization by an unacclimated ethanol-enriched anaerobic culture. Water Quality Research Journal of Canada. (in press)

C. A. Hulse, K. S. Singh and S. R. Grant (2010). Treatment of high-solids and soluble wastewaters using a submerged anaerobic MBR. Water Research. (submitted)

D. Bhattacharyya, H. Harmita, K. S. Singh, and B. G. Wilson (2009). Fluidization in an Anaerobic Expanded Granular Sludge Bed (EGSB) Reactor: Analysis of Primary Wakes and Modeling of Sludge Blanket. ASCE Journal of Environmental Engineering, Vol. 135 (8), 700-707.

P. R. Modak, K. S. Singh and D. Connor (2009). Experimental study on the elimination of color and organics from the wastewater using an inexpensive biomaterial “Chitosan”. Water Quality Research Journal of Canada, Vol. 44, No. 2 pp. 295-306.

K. S. Singh, M. M. LeBlanc, and D. Bhattacharyya (2008). Polishing of pretreated dye wastewater using novel sequencing batch reactors. Water Science and Technology, Vol. 58 No. 2, 407-411.

D. Bhattacharyya and K. S. Singh (2008). Treatment of textile dyes in two-phase and single-phase anaerobic bio-treatment systems. Water Science and Technology, Vol. 57, No. 6, 863-868.

S. J. Christian, S. R. Grant, K. S. Singh, and R. C. Landine (2008). Performance of a high rate/high shear activated sludge bioreactor treating biodegradable wastewater. Environmental Technology, Vol. 29, Issue 8, 837.

C. S. Tai, K. S. Singh, and S. R. Grant. (2006) Combined removal of carbon and nitrogen in an integrated UASB-JLR bioreactor system. ASCE Journal of Environmental Engineering, Vol. 132, No. 6, 624-637.

K. S. Singh, T. Viraraghavan and D. Bhattacharyya (2006) Sludge blanket height and flow pattern in UASB reactors: temperature effects. ASCE Journal of Environmental Engineering, Vol. 132, No. 8, 895-900.

M. K. Ramachandaran, K. S. Singh, B. G. Wilson, C. Rinehart, D. Bhattacharyya. (2006). Anaerobic digestion of land-based aquaculture solids. The Journal of Solid Waste Technology and Management and Proceedings of The 21st International Conference on Solid Waste Technology and Management, March 26-29, Philadelphia, PA, USA, pp 307-316.

Serena Sanford and K. S. Singh (2010). Removal of Select Pharmaceuticals from Water by Natural Bio-Polymer Chitosan. 2010 ACWWA Conference - Technical Presentations, Saint John, NB, Canada. (accepted for presentation)

C. A. Hulse, K. S. Singh, and S. R. Grant (2009). An innovative submerged anaerobic membrane bioreactor for treatment of potato solids and bioenergy production. WEFTEC 2009, The 82nd Annual Water Environment Federation Technical Exhibition and Conference, Orlando, Florida, October 10-14, 2009.

ZaiYan Mi, Kripa S. Singh, and Shannon R. Grant (2009). Shear effects on membrane fouling of flat sheet membrane bioreactors. 5th IWA Specialized Membrane Technology Conference for Water and Wastewater Treatment, 1-3 Sept. 2009, Beijing, China.