University: 

TRB Category: 

John Tobiason

Professor
UMassAmherst


Featured Projects

Research and Background

Transport and transformation of pollutants in natural and engineered systems, Drinking water treatment processes, Particle removal in filtration, Colloid transport in subsurface, Processes at particle/water interface

Contact Info

John Tobiason
tobiason@ecs.umass.edu
21 Marston Hall, College of Engineering, Department of Civil and Environmental Engineering, University of Massachusetts Amherst, 130 Natural Resources Road,
Amherst, Massachusetts 01003

Education

Ph.D., The Johns Hopkins University, 1987. M.S.EVE., University of North Carolina, 1979. B.S.C.E., University of New Hampshire, 1976.

Publications

Goodwill, J.G., Mai, X., Jiang, Y., Reckhow, D.A., and Tobiason, J.E, “Oxidation of Manganese(II) with Ferrate: Stoichiometry, Kinetics, Products and Impact of Organic Carbon”, submitted to Chemosphere, under revision, March 2016.

Tobiason, J.E., Bazilio, A., Goodwill, J.G., Mai, X. and Nguyen, C., “Manganese Removal from Drinking Water Sources”, accepted pending minor revision, Current Pollution Reports, March 2016.

Jiang, Y., Goodwill, J.G., Tobiason, J.E, and Reckhow, D.A., “Bromide Oxidation by Ferrate(VI): The Formation of Active Bromine and Bromate”, Water Research, Vol. 96, March 2016, doi:10.1016/j.watres.2016.03.065

Jiang, Y., Goodwill, J.G., Tobiason, J.E, and Reckhow, D.A., “Impacts of ferrate oxidation on natural organic matter and disinfection byproduct precursors”, Water Research, Vol. 96, March 2016. doi:10.1016/j.watres.2016.03.052

Goodwill, J.G., Jiang, Y., Reckhow, D.A., and Tobiason, J.E, “Laboratory assessment of ferrate for drinking water treatment”, Journal American Water Works Association, Vol. 108, No.3, pp. E164-E174, 2016. doi:http://dx.doi.org/10.5942/jawwa.2016.108.0029

Jeznach, L.C., Jones, C., Matthews, T., Tobiason, J.E. and Ahlfeld, D.P., “A Framework for Modeling Contaminant Impacts on Reservoir Water Quality”, in press Journal of Hydrology, March 2016.

Goodwill, J.G., Jiang, Y., Reckhow, D.A., Gikonyo, J.G, and Tobiason, J.E, “Characterization of Particles from Ferrate Pre-oxidation”, Environmental Science & Technology, accepted pending revision, February 2015.

Jiang, Y., Goodwill, J.G., Tobiason, J.E, and Reckhow, D.A., “Effect of Different Solutes, Natural Organic Matter, and Particulate Fe(III) on Ferrate(VI) Decomposition in Aqueous Solutions”, Environmental Science & Technology, DOI 10.1021/es505516w February 2015.

Jeznach, L.C., and Tobiason, J.E., “Future climate effects on thermal stratification in the Wachusett Reservoir”, in-press Journal American Water Works Association, Vol. 107, No. 4, 2015.

Bierlin, K., Knocke, W.R., Tobiason, J.E., Subramaniam, A., Pham, M. and Little, J.C., “Modeling Manganese Removal in a Pilot-scale Postfiltration Contactor, Journal American Water Works Association, Vol. 107, No. 2, pp. E109-E119, 2015.

Jeznach, L.C, Tobiason, J.E., and Ahlfeld, D.P.,“Modeling Conservative Contaminant Impacts on Reservoir Water Quality“, Journal American Water Works Association, Vol. 106, No. 6, pp. E295-E306, 2014.

W. R. Knocke and J. E. Tobiason, “Discussion of ‘Filtration and manganese removal’ by Geoff Hamilton, Barry Chiswell, John Terry, David Dixon and Lindsay Sly, 2013 Journal of Water Supply: Research and Technology—AQUA 62 (7), 417–425”, Journal of Water Supply: Research and Technology—AQUA 63 (7), 596–598, 2013.

Nguyen, A.H., Tobiason. J.E., and Howe, K.J., “Fouling indices for low pressure membrane fouling assessment”, Water Research, Vol. 45, No. 8, pp. 2627-2637, 2011.

Tobiason, J.E., Cleasby, J.L., Logdson, G.S., and O’Melia, C.R., “Chapter 10. Granular Media Filtration”, in Water Quality and Treatment: A Handbook on Drinking Water, 6th edition, J.K. Edzwald, editor, American Water Works Association, McGraw-Hill, 2011.

Edzwald, J.K. and Tobiason, J.E., “Chapter 3. Chemical Principles, Source Water Composition, and Watershed Protection”, in Water Quality and Treatment: A Handbook on Drinking Water, 6th edition, J.K. Edzwald, editor, American Water Works Association, McGraw-Hill, 2011.

Knocke, W.R, Zuravnsky, L., Little, J.C. and Tobiason, J.E., “Adsorptive Contactors for Removing Soluble Manganese During Drinking Water Treatment”, Journal American Water Works Association, Vol. 102, No. 8, pp. 64-75, 2010.

Islam, A., Goodwill, J., Bouchard, R., Tobiason, J.E. and Knocke, W.R., “Characterization of Filter Media MnOx(s) Surfaces and Mn Removal Capability”, Journal American Water Works Association, Vol. 102, No. 9, pp. 71-83, 2010.

Edzwald, J.K. and Tobiason, J.E., “Chapter 3. Chemical Principles, Source Water Composition, and Watershed Protection”, in Water Quality and Treatment: A Handbook of Community Water Supplies, 6th edition, American Water Works Association, McGraw-Hill, in publication 2010.

Tobiason, J.E., Cleasby, J.L., Logdson, G.S., and O’Melia, C.R., “Chapter 10. Granular Media Filtration”, in Water Quality and Treatment: A Handbook of Community Water Supplies, 6th edition, American Water Works Association, McGraw-Hill, in publication 2010.

Mercer, K. and Tobiason, J.E., “Removal of Arsenic from High Ionic Strength Solutions: Effects of Ionic Strength, pH, and pre-formed versus in-situ formed HFO”, Environmental Science & Technology, Vol. 42, No. 10, pp. 3797-3802, 2008.

Mercer, K. and Tobiason, J.E., “Chemical Treatment for Management of Membrane Concentrate”, in Chemical Water and Wastewater Treatment IX, H.H. Hahn, E. Hoffman and H. Ødegaard, editors. Proceedings of the 12th Gothenburg Symposium, 20-23 May, 2007, Ljubljana, Slovenia, IWA Publishing, London, pp. 307-315, 2007.

Kennedy, M.G., Ahlfeld, D.P., Schmidt, D.P and Tobiason, J.E., “Three Dimensional Modeling for Estimation of Hydraulic Retention Time in a Reservoir”, Journal of Environmental Engineering (ASCE), Vol. 132, No. 9, pp. 976-984, 2006.

Persson, F., Långmark, J., Heinicke, G., Hedberg, T., Tobiason, J., Stenström, T. and Hermansson, M., “Characterization of the behavior of particles in biofilters for pre-treatment of drinking water”, Water Research, Vol. 39, No. 16, pp. 3791-3800, 2005.

Kim, J. and Tobiason, J.E., “Origins of Filter Effluent Particles: Experimental Study of Particle Deposition and Detachment”, Water Science and Technology, Vol. 50, No. 12, pp. 215-222, 2004.

Kim, J. and Tobiason, J.E., “Particles in Filter Effluent: The Roles of Deposition and Detachment”, Environmental Science & Technology, Vol. 38, No. 22, pp. 6132-6138, 2004.

Garvey, E. and Tobiason, J.E., “Assessment of Natural Organic Matter in Quabbin Reservoir”, Journal of Water Supply: Research and Technology – AQUA, Vol. 52, No. 1, pp.19-36, 2003.

Edzwald, J.K., Tobiason, J.E., Udden, C., Kaminski, G.S., Dunn, H.J. and Galant, P.B., “Impacts of Recycle of Waste Filter Backwash on the Removal of Cryptosporidium”, Journal of Water Supply: Research and Technology – AQUA, Vol. 52, No. 4, pp.243-258, 2003.

Tobiason, J.E., Edzwald, J.K., Gilani, V., Kaminski, G.S., Dunn, H.J. and Galant, P.B., “Effects of Waste Filter Backwash Recycle Operation on Clarification and Filtration”, Journal of Water Supply: Research and Technology – AQUA, Vol. 52, No. 4, pp.259-276, 2003.

Tobiason, J.E., Edzwald, J.K., Levesque, B.R., Kaminski, G.S., Dunn, H.J. and Galant, P.B., “Full-Scale Assessment of the Impacts of Recycle of Waste Filter Backwash”, Journal American Water Works Association, Vol. 95, No. 7, pp. 80-93, 2003.

Ahlfeld, D.P., Joaquin, A., Tobiason, J.E., and Mas, D., “Case Study: Impact of Reservoir Stratification on Interflow Travel Time”, Journal of Hydraulic Engineering (ASCE),Vol. 129, No. 12, pp. 966-975, 2003.

Garvey, E. and Tobiason, J.E., “Relationships between Measures of Natural Organic Matter in Quabbin Watershed”, Journal American Water Works Association, Vol. 95, No. 11, pp. 73-84, 2003.

Corbin, M.J., Reckhow, D.A., Tobiason, J.E., Dunn, H.J., and Kaminski, G.S., “Controlling DBPs by Delaying Chlorine Addition until after Filtration”, Journal New England Water Works Association, Vol. 117, No. 4, pp. 243-251, 2003.

Recent Conference Proceedings

Nguyen, A.H. and Tobiason, J.E. “Impact of Model Organic Nitrogen Compounds on Fouling of Low Pressure Hollow Fiber Membranes”, Proceedings of the 2009 American Water Works Association Membrane Technology Conference (CD), Memphis, TN, March 2009.

Mercer, K.L. and Tobiason, J.E., “ Lime Treatment of BRO Concentrates”, Proceedings of the 2009 American Water Works Association Membrane Technology Conference (CD), Memphis, TN, March 2009.

Laverty, M., Ahlfeld, D.P. and Tobiason, J.E., “Three-dimensional numerical modeling of hydrodynamics and transport in the Wachusett Reservoir”, Proceedings of the ASCE EWRI World Environmental & Water Resources Congress 2010, Providence, RI, May 2010.

Stauber, C.S., Tobiason, J.E., Sojkowski, B., and Ahlfeld, D.P., “Two-Dimensional Modeling of Contaminant Spills to a Drinking Water Supply Reservoir”, Proceedings of the ASCE EWRI World Environmental & Water Resources Congress 2010, Providence, RI, May 2010.

Tobiason, J.E., Russell, J., Islam, A.A. and Kaminski, G.S., “Simultaneous control of Mn, Fe, and DBPs for a Chlorinated Groundwater Source”, Proceedings of the 2008 American Water Works Association Water Quality Technology Conference (CD), Cincinnati, Ohio, November 2008.

Mercer, K. and Tobiason, J.E., “Removal of Arsenic from Simulated High-Pressure Membrane Concentrates”, Proceedings of the AWWA Inorganic Contaminants Workshop (CD), Albuquerque, New Mexico, January 27-29, 2008.

Tobiason, J.E., Knocke, W.R., Islam, A.A., and J.E. Goodwill, “Control of Periodically Elevated Raw Water Manganese with Oxide Coated Media”, Proceedings of the 2007 American Water Works Association Water Quality Technology Conference, Charlotte, North Carolina, November 2007.

Tobiason, J.E., Mercer, K.L., and A.H. Nguyen, “Innovative Membrane Treatment of Waste Filter Backwash”, Proceedings of the 2007 American Water Works Association Water Quality Technology Conference, Charlotte, North Carolina, November 2007.

Mercer, K.L. and Tobiason, J.E., “Coagulation of Simulated High-Pressure Membrane Concentrates for Removal of Trace Pollutants”, Proceedings of the 2007 American Water Works Association Water Quality Technology Conference, Charlotte, North Carolina, November 2007.

Mercer, K.L. and Tobiason, J.E., “Treatment of Simulated Membrane Concentrate for Specific Pollutant Removal”, Proceedings of the World Environmental & Water Resources Congress 2007, EWRI of ASCE, 15-19 May 2007, Tampa, Florida.

Tobiason, J.E., Ahlfeld, D.P., Rees, P.S., Reckhow, D.A. and S.C. Long. 2006. “Optimizing Water Supply Protection: Measurements, Models and Management”. Proceedings of “Safe Drinking Water: Where Science Meets Policy” Conference (CD only, 12 pp.), March 16-17, 2006, Chapel Hill, NC.

Edzwald, J.K., Tobiason, J.E. and Kelley, M.B., “Optimum Alum Coagulation Conditions for Cryptosporidium Removal”, Proceedings of the 2005 American Water Works Association Water Quality Technology Conference (CD only, 7 pp.), Quebec City, Quebec, Canada, November 2005.

Buttrick, D., Tobiason, J.E. and Ahlfeld, D.P., “Modeling as an Operational Tool for an Unfiltered Surface Water Supply”, Proceedings of the American Water Works Association Annual Conference, CD-ROM, San Francisco, CA, June 2005.

Kim. J. and Tobiason, J.E., “Origins of Filter Effluent Particles: Experimental Study of Particle Deposition and Detachment”, Proceedings of the International Water Association Conference, Nano- and Microparticles in Water and Wastewater Treatment, Zurich, Switzerland, September 2003.

Roberts, M.G. and Tobiason, J.E., “NOM Modeling for an Oligotrphic Water Supply Reservoir”, Proceedings of the 2003 American Water Works Association Water Quality Technology Conference, Philadelphia, PA, November 2003.

Recent Research Contracts Funded

Tobiason, J.E. and Reckhow, D.A., “Coagulation Optimization for the SWSC West Parish Filtration Plant”, 09/07-12/08, $49,911.

Tobiason, J.E., Ahlfeld, D.P. and Reckhow, D.A. “Water Quality in DCR Reservoirs 2008-2010”, MA Department of Conservation and Recreation, Division of Water Supply Protection , 07/08-06/10, $249,560.

Tobiason, J.E., “The Role of DON in Fouling of Low-Pressure Membranes ”, American Water Works Association Research Foundation, 10/07-10/09, $149,857.

Reckhow, D.A. and Tobiason, J.E., “Chloramination Feasibility Planning Study”, subcontract to CDM/ Hazen and Sawyer, P.C., a Joint Venture, New York City Dept. of Environmental Protection, 8/06-07/09, $210,000.

Cornwell, D.A, MacPhee, M. and Tobiason, J.E., “Innovative Applications of Treatment Processes for Spent Filter Backwash”, American Water Works Association Research Foundation, UMass subcontract to EET, Inc, 10/05-3/08, $79,532 (of $400,000 total project funding)

Pettersson, T., Rosen, L., Hedberg, T., Svensson, G. and Tobiason, J.E., “Framework Program for Research and Development in Drinking Water: From Raw Water to Tap”, Swedish Water (VA-Forsk), 10/03 – 12/06, $590,000 (SEK 4,400,000), in Sweden at Chalmers University of Technology.

Long, S.C., Reckhow, D.A., Ahlfeld, D.P., Tobiason, J.E. and Rees, P.S., "MRI: Watershed Management and Drinking Water Supply Research Instrumentation", National Science Foundation Award BES-0320941, 1/04 – 12/06, $450,049.

Ahlfeld, D.P. and Tobiason, J.E., “Water Quality in MDC Reservoirs: 2004, Project 1, Reservoir Modeling”, MA Department of Conservation and Recreation, Division of Water Supply Protection , 09/03-06/04, $43,329.

Edzwald, J.K. and Tobiason, J.E., “Coagulation Optimization of Drinking Water Supplies”, Aquarion Water Company, 07/03-09/04, $90,000.

Rees, P., Reckhow, D.A. and Tobiason, J.E., ““Water Quality in MDC Reservoirs: 2001-2003, Project 2, Watershed Data Collection and Modeling”, Metropolitan District Commission, 07/01-06/03, $145,449.

Ahlfeld, D.P. and Tobiason, J.E., “Water Quality in MDC Reservoirs: 2001-2003, Project 1, Reservoir Modeling”, Metropolitan District Commission , 07/01-06/03, $180,045.

Tobiason, J.E. and Reckhow, D.A., “Coagulation Optimization for the SWSC West Parish Filtration Plant”, 09/07-08/08, $49,911.

Tobiason, J.E. and Reckhow, D.A., “Control of Manganese, Natural Organic Matter and Disinfection By-Products for Mystic, CT”, Aquarion Water Company, 4/06-05/08, $250,000.

Tobiason, J.E and Ahlfeld, D.P. “Water Quality in MDC Reservoirs: Project 1, Reservoir Modeling”, MA Department of Conservation and Recreation, Division of Water Supply Protection. 09/04-06/05, $73,193; 10/06-06/08, $173,847.

Tobiason, J.E. and Knocke, W.R., “Optimizing the Generation and Capacity of Adsorptive Sites on Oxide Surfaces for Manganese Control”, American Water Works Association Research Foundation, , 01/04 – 01/08. $298,660.

Tobiason, J.E., “Chalmers Drinking Water Research Program”, Chalmers University, Göteborg, Sweden, 12/17/03 – indefinite, $29,975.

Tobiason, J.E. and Reckhow, D.A., “Distribution System Water Quality Modeling and Strategies for Control of Natural Organic Matter and Disinfection By-Products”, Aquarion Water Company, 4/03-3/06, $755,100.

Tobiason, J.E., Edzwald, J.K and Reckhow, D.A., “Distribution System Water Quality Modeling and Strategies for Control of Natural Organic Matter and Disinfection By-Products”, BHC Company, 4/02-3/03, $259,000.

Curriculum Vitae

Full Curriculum Vitae