Dr John Van Leeuwen

Hi, My roles at UniSA are course co-ordinator (Water Quality Processes N CHEM 5007) and conduct research and developmenton Water and Wastewater Quality and Treatment.

• My teachning is in the area of Water quality, chemistry and treatment. Currenly I am course co-ordinator for Water Quality Fundamentals CHEM 5007.

IWA, International Water Association

Doctor of Philosophy, Applied Science and Technology, UniSA

Master of Environmental Science, Monash University

Graduate Diploma in Education, Hawthorn Institute of Education

Bachelor of Applied Science in Applied Biology, RMIT

Chow, C.W.K., Fabris, R, van Leeuwen, J., Wang, D. and Drikas, M., 2008 Assessing Natural Organic Matter Treatability Using High Performance Size Exclusion Chromatography, Environmental Science & Technology 42, 6683-6689.

Chow, C.W.K., Fabris R., van Leeuwen J., Wang D. and Drikas M., Prediction of Natural Organic Matter Removal using Molecular Weight Profile, Natural Organic Matter: From Source to Tap, Bath, UK, 2-4 September, 2008.

Soh Y.C., Roddick F.A., van Leeuwen J.A., 2008, “The Impact of Alum Coagulation on the Character, Biodegradability and Disinfection By-Product Formation Potential of Reservoir NOM Fractions”, Water Science and Technology, 58(6), 1173-1179.

J. van Leeuwen, M. Holmes, U. Kaeding, R. Daly and D. Bursill Development and Implementation of the software mEnCo© to Predict Coagulant Doses for DOC removal at Full-Scale WTP's in South Australia." (JWSRTAQUA-D-08-00054R1) Journal of Water Supply: Research and Technology – AQUA in press accepted

Chow, C.W.K., van Leeuwen, J.A., Fabris, R. and Drikas, M., Optimised Coagulation Using Aluminium Sulfate for the Removal of Dissolved Organic Carbon, Desalination (in press, accepted).

Hewa, G. A. and van Leeuwen, J. (2008) Analyses of Censored Water Quality Data– A Case of Mount Bold Reservoir, Water Down Under Conference Adelaide, April

Soh YC, Roddick F, van Leeuwen J (2008) The Potential Effects of Climate Change and Ozone Depletion on Australian Water Quality, Quantity and Treatability. The Environmentalist. 28:158–165 (online).

Soh, Yeow Chong, Roddick, Felicity and van Leeuwen, John. The Impact of Alum Coagulation on the Character, Biodegradability and Disinfection By-Product Formation Potential of Reservoir NOM Fractions. 2nd IWA – ASPIRE Asia-Pacific Regional Group Conference & Exhibition Water and Sanitation in the Asia-Pacific Region: Opportunities, Challenges and Technology 28 October - 1 November 2007, Perth , Australia

Myers, B., Sagi, I., van Leeuwen, J. and Beecham, S., Water Quality Improvement by Base Course Aggregate in a Permeable Pavement with Underlying Reservoir Structure, 5th International Conference on Water Sensitive Urban Design, Sydney, Australia, 2007

Soh YC, Roddick F, van Leeuwen J (2007) De-stratification of Reservoirs: Its Impact on the Treatability and Quality of Water by Conventional Treatment Conditions. OZWATER 2007 – 4th MAR – 8th MAR 2007, Sydney Convention and Exhibition Centre, Sydney, New South Wales. ISBN 978-0-908255-67-2

Soh YC, Roddick F, van Leeuwen J and Spark K (2006) Changes in Natural Organic Matter Character in Reservoir Water: How Climate Change and Ozone Depletion May Affect Australian Water Resources. ERE 2006 - Environmental Research Event, 10th DEC – 13th DEC 2006, Macquarie University, Sydney, New South Wales, CD-ROM

Holmes M., Kaeding U., van Leeuwen, J., Daly, R., Soenarjo, M., Crossing, N., Haskard, C. and Bursill, D. (2006). The Application of Menco© by United Water at Metropolitan Adelaide WTP's. The WaterConference2006, NZWWA 48th Annual Conference 11-13th October 2006

Soh, Y. C., Roddick, F., van Leeuwen, J. (2006) The Effect of Solar Radiation on the Treatability of Reservoir Water and its Subsequent Quality, 1st Australian Young Water Professionals Conference, 15th Feb – 17th Feb, NSW

Chittleborough, D., Cox, J., Varcoe, J. and van Leeuwen, J. (2006) Calcium amendments to reduce dissolved organic carbon from subcatchments. 34:1.1A Hydropedology: Fundamental Issues and Practical Applications. Philadelphia, Pennsylvannia, USA

Cox, J.W., Varcoe, J., Chittleborough, D.J. and van Leeuwen, J. (2005) . Using gypsum to reduce phosphorus in runoff from sub-catchments in South Australia. Journal of Environmental Quality. Vol 34 Nov-Dec. pp 2118-2128.

van Leeuwen, J., R. Daly, M. Holmes. (2005) Modeling the Treatment of Drinking Water to Maximize Dissolved Organic Matter Removal and Minimize Disinfection By-Product Formation. Desalination. Vol. 177, pp 81-89.

Fisher, I., Kastl, G., Sathasivan, A., Chen, P., van Leeuwen, J. A. And Daly, R. (2004). Tuning the enhanced coagulation process to obtain best chlorine and THM profiles in the distribution system. Water Science and Technology. Water Supply. Vol. 4 (4) pp 235-243.

Kastl, G., Fisher, I., Sathasivan, A and van Leeuwen, J. (2004) Modelling DOC removal by enhanced coagulation. J. AWWA, February, 96:2, p79-89.

Soh, Y. C., Roddick, F., van Leeuwen, J. (2005). The Effect of Solar Radiation on the Treatability of Reservoir Water and its Subsequent Quality. 13th Annual RACI Research & Development Topics, 10th DEC – 13th DEC, Mt Eliza, Victoria.

Soh, Y. C., Roddick, F., van Leeuwen, J. (2005) The Potential Effects of Climate Change and Ozone Depletion on Australian Water Quality, Quantity and Treatability, Environmental Research Event, 29th NOV – 2nd DEC, University of Tasmania, Hobart.

Linden L.G., Regel R.H., Hipsey M., Brookes J.D., Burch M.D., Antenucci J. and van Leeuwen J.A. (2004) Short circuiting of pathogens and organic carbon in Myponga Reservoir. Proceedings of the South Australian Regional Conference of the AWA, August, Glenelg, South Australia, CD ROM.

Holmes, M. Heidenreich, C., Walsh, B., Daly, R, van Leeuwen, J., Hochman, P. and Pelenkani, C. (2004). Aphanacapsa- Slippery Algae for Water Treatment Operators. NZWWA 46th Annual Conference Expo, October, Christchurch New Zealand.

Linden, L.G., J.D. Brookes, M. Hipsey, G.G. Ganf and J.A. van Leeuwen. (2004). Natural organic matter and water quality during inflow events: Linking reservoir processes and water treatment. NOM Research: Innovation and Applications for Drinking Water Treatment, Victor Harbor, Australia, March 2nd -5th, 2004. Proceedings. p25.

Daly, R., J. van Leeuwen, M. Holmes, W. Mobius, G. Kastl, A. Sathasivan and I. Fisher (2004). Model predictions of coagulant doses to maximise removal of DOC from humic water and residual DOC after treatment. NOM Research: Innovation and Applications for Drinking Water Treatment, Victor Harbor, Australia, March 2nd -5th, 2004. Proceedings. p73.

Fisher, I., G. Kastl, A. Sathasivan , P Chen, J. van Leeuwen and M. Holmes. (2004). Tuning the enhanced coagulation process to obtain best chlorine and THM profiles in the distribution system. NOM Research: Innovation and Applications for Drinking Water Treatment, Victor Harbor, Australia, March 2nd -5th, 2004. Proceedings. p103.

van Leeuwen, J., D. Page, K. Spark, R. Fabris and L. Sledz (2004). Pyrolysis and Thermochemolysis Products from Organics Recalcitrant to Removal by Alum. NOM Research: Innovation and Applications for Drinking Water Treatment, Victor Harbor, Australia, March 2nd -5th, 2004. Proceedings. p72.

Kastl, G., Fisher, I., Sathasivan, A., Chen, P. and van Leeuwen, J., (2003) Modelling water quality from source water to tap by integrated process models. MODSIM Integrative Modelling of Biophysical, Social and Economic Systems for Resource Management Solutions, Townsvillle, 14-17 July 2003, CD-ROM, pp. 1799-1804.

van Leeuwen, J., Holmes, M., Heidenreich, C., Daly, R., Fisher, I., Kastl, G., Sathasivan, A., and Bursill, D. (2003) Modelling the Application of Inorganic Coagulants and pH Control Reagents for Removal of Organic Matter from Drinking Waters. MODSIM Integrative Modelling of Biophysical, Social and Economic Systems for Resource Management Solutions, Townsvillle, 14-17 July 2003, CD-ROM, pp. 1835-1840.

Page, D., van Leeuwen, J., Spark, K. and Mulcahy, D. (2003) Assessment of the Treatability of Dissolved Organic Matter (DOM) from Terrestrial and Freshwater Sources, with Alum. AWA, Ozwater, CD-ROM.

Kastl, G., Fisher, I., Sathasivan, A. and van Leeuwen, J. (2003) Optimisation of DOC Removal by Enhanced Coagulation to Deliver Target TTHM in Chlorinated Systems. AWA, Ozwater, CD-ROM.

Kaeding, U., van Leeuwen, J., Walsh, B., Holmes, M. and Daly, R. (2003). Commissioning an Acid Dosing Facility to Optimise Coagulation for Improved DOC Removal: A Full Scale Case Study" New Zealand Water & Wastes Association (NZWWA) 45th Annual Conference & Exposition, 17th-19th September 2003 Auckland, New Zealand.

Kaeding, U., van Leeuwen, J., Walsh, B., Holmes, M. and Daly, R. (2003). At the end of the road for conventional coagulation water treatment processes. ‘Chemicals of Concern in Water’ AWA/IWA Sydney, 4th-5th June. CD-ROM.

van Leeuwen, J., Heidenreich, C., Holmes, M., Kastl, G., Fisher, Nguyen, T., Oemcke, D., Craig, K. and Bursill, D. (2003) Modelling of Coagulant and pH Control Reagent Doses for Enhanced Coagulation. AWA, Ozwater, Perth, CD-ROM.

Page, D.W., van Leeuwen, J.A., Spark, K.M., Mulcahy, D.E. (2003) Application of pyrolysis-gas chromatography-mass spectrometry for characterisation of dissolved organic matter before and after alum treatment. Journal of Analytical and Applied Pyrolysis Vol. 67 pp 247-262.

Kastl, G., Fisher, I., Sathasivan, A. and van Leeuwen, J. (2002). Mathematical model of DOC removal by enhanced coagulation. Management of productivity at water utilities, International Water Association Specialisation Conference. Prague, 2002

Page, D.W., van Leeuwen, J.A., Spark, K.M., Drikas, M., Withers, N. and Mulcahy, D.E. (2002). Effect of alum treatment on the trihalomethane formation and bacterial regrowth potential of natural and synthetic waters. Water Research Vol 36/19, pp 4884-4892

Page, D.W., van Leeuwen, J.A., Spark, K.M., Mulcahy, D.E. (2002) Pyrolysis characterisation of plant, humus and soil extracts from Australian catchments. Journal of Analytical and Applied Pyrolysis, Vol 65/2, pp 269-285

van Leeuwen, J., Chow, C., Fabris, R., Withers, N., Page, D. and Mary Drikas. Application of a fractionation technique for the better understanding of the removal of NOM by alum coagulation. Enviro 2002. IWA Melbourne, CD-ROM./Water Science and Technology, Vol. 2 Nos 5-6 pp 427-433

van Leeuwen, J. A., Fabris, R., Sledz, L. and van Leeuwen, J. K. (2001). Modelling enhanced alum treatment of southern Australian raw waters for drinking purposes. International Congress on Modelling and Simulation. MODSIM 2001. 10-13th December 2001. ANU, Canberra, Australia. Vol. 4, pp1907-1912

Varcoe, J., Chittleborough, D., Cox, J. and van Leeuwen, J. (2001) The effect of Ca soil amendments on P (& DOM) mobility. International Phosphorus Transfer Workshop, Plymouth University, Devon. 28th August 28 – 1st September. (Poster

Page, D. W., van Leeuwen, J. A., Spark, K. M. and Anstis, S. T. (2001) A comparison of degradative techniques for the determination of water soluble lignin derived methoxyphenols in a reservoir catchment. Proceedings of the 9th International conference of the IHSS; In Understanding and Managing Organic Matter in Soils, Sediments and Waters. pp 415-420

van Leeuwen, J., Fabris, R., Bursill, D. and Chow, C. (2001). Target Alum treatment for maximising NOM removal. 19th Federal Convention of the AWA, Canberra, April.

Page, D. W., J. A. van Leeuwen, K. M. Spark and D. E. Mulcahy. (2001). Reservoir catchments and the influence on terrestrial dissolved organic matter. 19th Federal Convention of the AWA, Canberra, April.

Page, D. W., J. A. van Leeuwen, K. M. Spark and D. E. Mulcahy. (2001). Tracing terrestrial compounds leaching from two reservoirs catchments as input to dissolved organic matter. Mar. Freshwater Res., 52, 223-233

Varcoe, J., Chittleborough, D., Cox, J. and van Leeuwen, J. (2000). The effect of gypsum on P and NOM movement- a field trial. NZSSS/ASSSI Soil 2000 Conference. 3-8th December 2000

Varcoe, J., Chittleborough, D., Cox, J. and van Leeuwen, J. (2000). Phosphate and NOM Adsorption with Soil Minerals as Influenced by Calcium. NZSSS/ASSSI Soil 2000 Conference. 3-8th December 2000

Page, D. , Spark, K, van Leeuwen, J. and Mulcahy, D. (2000). Effect of alum treatment on the trihalomethane formation potential of reservoir waters and allochthonous “synthetic waters”. Environmental Engineering Research Event 2000, Victor Harbour, South Australia, Nov 21-24th, 2000

Bursill, D., van Leeuwen, J. and Drikas, M (a). Problems Related to Particulate and Dissolved Components in Water - The Importance of Organic Matter. IWA Conference, 'Innovations in Conventional and Advanced Water Treatment Processes", Amsterdam 16 29th September 2000. (b) Water Science and Technology: Water Supply Vol. 2 No.1. pp 155-162

Bursill, D. and van Leeuwen, J. (2000). Drinking water treatment- understanding the processes and meeting the challenges, Conference of the Particle Separation Group, IAWQ, Durban, South Africa, February. (No proceedings

D.W. Page, J.A. van Leeuwen, K.M. Spark and D.E. Mulcahy. (2000) Coagulating allochthonous dissolved organic matter (2000) 10th International Meeting of the International Humic Substances Society, 24-28 July - Toulouse (France)

D.W. Page, J.A. van Leeuwen, K.M. Spark and D.E. Mulcahy. (2000) Investigation of allochthonous dissolved organic matter using thermochemolysis. IHSS Symposium: Humic substances: Science and Commercial Applications, February 2000, Clayton, Australia

Chow, C., van Leeuwen, J., Fabris, R., King, S., Withers, N., Spark, K. and Drikas, M. (2000). Enhanced Coagulation for removal of dissolved organic carbon with alum - A fractionation approach. Enviro2000, Watertech Conference AWWA, April, Sydney, Australia

Page, D.W., van Leeuwen, J. A., Spark, K.M., Mulcahy, D. E. (1999) Allochthonous Dissolved Organic Matter in Water Treatment. Environmental Engineering Research Event 1999, Melbourne, Australia

Chow, C., van Leeuwen, J., Drikas, M., Fabris, R. , Spark, K. and Page, D. (1999) The impact of the character of natural organic matter in conventional treatment with alum. Proceedings of the IAWQ/IWSA International Conference on the removal of humic substances from water, Trondheim, Norway, June 1999, Water Science and Technology. Vol. 40, No. 9, pp 97-104

Page, D. W., Spark, K. M. and van Leeuwen, J. A. (1998) Diffuse reflectance fourier transform infrared (DRIFT) spectra of dissolved organic matter (DOM) and related substances in reservoir waters and catchments. Environmental Engineering Research Event 1998. 6-9 December, NSW, Australia pp.291-296

van Leeuwen, J. A., Chow, C., Fabris, R. Drikas, M. and Spark, K. (1999) Enhanced coagulation for dissolved organic carbon removal in conventional treatment with alum. 18th Federal Convention of the AWWA., 11-14th April, Adelaide, Australia

van Leeuwen, J. A., Chow, C., Bursill, D. and Drikas, M. (1999) Empirical mathematical models and artificial neural networks for the determination of alum doses for treatment of southern Australian waters. J Water SRT- Aqua Vol. 48 No. 3. pp 115-127

Page, D., van Leeuwen, J. A. and Spark, K. Pyrolysis -Gas Chromatography-Mass Spectrometry analysis of water soluble soil organic matter (SSOM). National Soils Conference, Australian Soil Science Society Inc. Brisbane, April 1998

van Leeuwen, J., Chow, C., Bursill, D. and Drikas, M. "Impact of dissolved organic carbon on water treatment processes-development of a predictive model for process optimisation" 5th German-Australian Workshop on Water and Environment Research and Development, Karlsrhue, Germany, May 1998.

Page, D. W., van Leeuwen, J. A., Spark, K. M., Mulcahy, D. and Antis, S. T. (1998) Biopolymer degradation products as specific tracers of plant classes and input to dissolved organic matter in reservoirs. 9th International Meeting of the Humic Substances Society. 20-25 September, Adelaide, Australia. Poster Paper

Chow, C. W. K., van Leeuwen, J. A., Drikas, M. and Spark, K. (1998). Optimisation of Natural Organic Matter removal with alum treatment. 9th International Meeting of the Humic Substances Society. 20-25 September, Adelaide, Australia. Poster Paper

van Leeuwen, J.A., Bursill, D., Chow, C. and Drikas, M. (1998). Prediction of alum dosing in water treatment. WaterTECH conference, Brisbane, 26-28 April 1998 (oral presentation

van Leeuwen, J. A., Schell, H., Berger, M., Drikas, M., Bursill, D., Chow, C. and Clasen, J. (1997) Comparison of coagulant doses determined using a charge titration unit with a jar test procedure for eight German surface waters. J Water SRT- Aqua Vol. 46, No. 5, pp 261-273

van Leeuwen, J. A., Nicholson, B. C. Levay, G., Hayes, K. P. and Mulcahy, D. E. Transformation of free tetrachloroguaiacol to bound compounds by fungi isolated from Lake Bonney, South-Eastern South Australia, Marine and Fresh Water Research, 551-557, Vol. 48, 1997

van Leeuwen, J. A., Drikas, M., Bursill, D. and Nicholson, B. Contamination of Water Samples During Analysis for Total and Dissolved Organic Carbon. (Water, January 1997)

van Leeuwen, J. A., Nicholson, B. C., Hayes, K. P. and Mulcahy, D. E. Degradation of Chlorophenolic Compounds by Trichoderma harzianum isolated from Lake Bonney, South-Eastern South Australia. Environmental Toxicology and Water Quality, 335-342, Vol. 12/4, 1997

van Leeuwen, J. A., Nicholson, B. C., Hayes, K. P. and Mulcahy, D. E. Resistance of Bound Chloroguaiacols and AOX from pulp mill effluent to degradation by Trichoderma harzianum isolated from Lake Bonney, south-eastern, South Australia. Marine and Fresh Water Research. 961-969, Vol. 47 1996

van Leeuwen, J. A., Nicholson, B. C., Hayes, K. P. and Mulcahy, D. E. The Persistence of Chlorophenolic compounds from Pulp and Paper Mill Discharges in Lake Bonney, South-Eastern South Australia. Marine and Fresh Water Research. 929-936, Vol 47 1996

van Leeuwen, J. A., Nicholson, B. C., Hayes, K. P. and Mulcahy, D. E. Free and Bound Chlorophenolic Compounds in the Receiving Environment of a Pulp and Paper Mill in south-eastern South Australia. Proceedings of 4th Environmental Chemistry Conference, RACI, Darwin, 9-14 July 1995

van Leeuwen, J. A., Nicholson, B. C. and Hayes, K. P. Distribution of Chlorophenolic Compounds from a Pulp Mill in Lake Bonney, South Australia. Australian Journal of Marine and Fresh Water Research. 825-34, Vol. 44, 1993.

Black, R. G. and van Leeuwen, J. A. Optimization of an automatic milk cryoscope. Australian Journal of Dairy Technology. Vol. 40, No. 3, Sept 1985

van Leeuwen, J. A., Campbell, N. J. and Presidente, P. J. A., 1983. Detection of benzimidasole resistance in nematodes of sheep and goats by invitro egg hatch assay. Proceedings of 10th International Conference, World Association for the Advancement of Veterinary Parasitology. Perth, Australia. Abstract and Poster

R. Daly, J. van Leeuwen and M. Holmes. (2007) Modelling Coagulation to Maximise Removal of Organic Matter A Pilot Plant and Laboratory Based Study : Chemical Dose Prediction ISBN 18766 1661X

D. Page, S. Wakelin, J. van Leeuwen, and P. Dillon (2006) Review of bio-filtration processes relevant to water reclamation via aquifers.CSIRO Land and Water Science Report 47/06.

Swierc, J.E., Page, D., Van Leeuwen, J., and P. Dillon (2005). Preliminary Hazard Analysis and Critical Control Points Plan (HACCP): Salisbury Stormwater to Drinking Water Aquifer Storage Transfer and Recovery (ASTR) Project. CSIRO Land and Water Technical Report No. 20/05

Dillon, P., Ellis, D. and van Leeuwen, J. (2004). Australian Water Conservation and Reuse Research Program – Outcomes of Reviews and a New National Portfolio of Innovative Projects. CSIRO. ISBN 0 643 09189 0

U. W. Kaeding•, B. K. Walsh•, M. Holmes•, J. van Leeuwen, and R. S. A. Daly. Barossa WTP acid dosing system commissioning. Technical report, United Water International, Adelaide, South Australia, Jan. 30 2003

Spark, K., van Leeuwen, J., Page, D., Fabris, R. and Sledz, L. Characterisation Of Natural Organic Matter Of Drinking Water Reservoir-Catchment Systems. September 2001. ISBN 1876616148

van Leeuwen, J., Page, D., Spark, K., Fabris, R. and Sledz, L. Characterisation of Natural Organic Matter in Relation to Drinking Water and Alum Treatment. CRCWQT. August 2001. ISBN 1878818172

van Leeuwen, J., Bursill, D., Chow, C. and Drikas, M. (1998). Impacts of dissolved organic carbon on water treatment processes – development of a predictive model for process optimisation. ‘Improving Drinking Water Quality from Surface Water Sources” Australia-Germany Collaboration on Water and Environment R&D

Campbell, S., Carolan, J., Foster, S. and van Leeuwen, J. A, Cost Sharing Options for Salinity Control. Environmental Discussion Paper. GSES. Monash University 1988

Chow, C.W.K., van Leeuwen, J.A., Fabris, R. and Drikas, M., (2009) Optimised Coagulation Using Aluminium Sulfate for the Removal of Dissolved Organic Carbon, Desalination 245, 120-134.

J. van Leeuwen, M. Holmes, U. Kaeding, R. Daly and D. Bursill (2009) Development and Implementation of the software mEnCo© to Predict Coagulant Doses for DOC removal at Full-Scale WTP's in South Australia." Journal of Water Supply: Research and Technology – AQUA Vol 58(4), 291-298.

Fabris, R. Bazrafkan, B., Chow, C. Wang, D., van Leeuwen, J. and Drikas, M. (2009). High efficient composite coagulant for organic matter removal. Ozwater. 16-18th March. Melbourne.

Bestland, E. Milgate, S., Chittleborough, D., Van Leeuwen, J. Pichler, M. and Soloninka, L. (2009) The significance and lag-time of deep through flow: an example from a small, ephemeral catchment with contrasting soil types in the Adelaide Hills, South Australia. Hydrology Earth Systems and Science, 13, 1201–1214.

van Leeuwen, J., Cook, D. Chow, C. and Drikas, M. (2009). Disinfectant dosing of blended drinking waters. 18th World Congress of the International Association for Mathematics And Computer Simulation/Modelling And Simulation Society Of Australia & New Zealand (IMACS/MODSIM09): 13-17 July Cairns, Australia.