HUG, Stephan Jules Born in Bern, Switzerland. Ph.D., Physical Chemistry, 1989. University of California at Santa Cruz. Postdoctoral fellow 1990-92. Stanford University. At EAWAG since 1992.

Swiss Federal Institute for Environmental Science and Technology (EAWAG)
Überlandstr. 133
CH-8600 Dübendorf,
Switzerland

Tel. +41-1-823-5454;
FAX +41-823-5028
email: hug@eawag.ch


Fields of research

Transport and transformation of pollutants on surfaces
- Role of solid surfaces in the transport and transformation of pollutants in aqueous systems.

Environmental technology
- Treatment of contaminated water, remediation of contaminated environments.
- Surface- and photochemical reactions, advanced oxidation techniques.

Molecular surface chemistry
- Mechanisms and kinetics of chemical and photochemical reactions in heterogeneous systems.
- Structure of surfaces and of surface adsorbates, spectroscopic and microscopic methods (AFM/STM and FTIR).

Publications

Borer, P.; Sulzberger, B.; Hug, S.J.; Kraemer, S.M.; Kretzschmar, R. Photoreductive dissolution of iron(III) (Hydr)oxides in the absence and presence of organic ligands: Experimental studies and kinetic modeling. Environ. Sci. Technol. 2009, 43, 1864-1870.

Borer, P.; Sulzberger, B.; Hug, S.J.; Kraemer, S.M.; Kretzschmar, R. Wavelength-dependence of photoreductive dissolution of lepidocrocite (γ-FeOOH) in the absence and presence of the siderophore DFOB. Environ. Sci. Technol. 2009, 43, 1871-1876.

Katsoyiannis, I.A.; Ruettimann, T.; Hug, S.J. Response to Comment on 'pH dependence of fenton reagent generation and As(lll) oxidation and removal by corrosion of zerovalent iron in aerated water. Environ. Sci. Technol. 2009, 43, 234.

Katsoyiannis, I.A.; Ruettimann, T.; Hug, S.J. pH dependence of fenton reagent generation and As(III) oxidation and removal by corrosion of zero valent iron in aerated water. Environ. Sci. Technol. 2008, 42, 7424-7430.

Hug, S.J.; Leupin; O.X.; Berg M. Bangladesh and Vietnam: Different groundwater compositions require different approaches to arsenic mitigation. Feature Article. Environ. Sci. Technol. 2008, 42, 6318-6323.

Amini, M.; Abbaspour, K.C.; Berg, M.; Winkel, L.; Hug, S.J.; Hoehn, E.; Yang, H.; Johnson, C.A. Statistical modeling of global geogenic arsenic contamination in groundwater. Environ. Sci. Technol. 2008, 42, 3669-3675.

Winkel, L.; Berg, M.; Amini, M.; Hug, S.J.; Johnson, A. Predicting groundwater arsenic contamination in Southeast Asia from surface parameters. Nature Geoscience 2008, 1, 536-542.

Katsoyiannis, I.A.; Zikoudi, A.; Hug, S.J. Arsenic removal from groundwaters containing iron, ammonium, manganese and phosphate: A case study from a treatment unit in northern Greece. Desalination, 2008, 224, 330-339.

Katsoyiannis, I. A.; Hug, S. J.; Ammann, A.; Zikoudi, A.; Hatziliontos, C. Arsenic speciation and uranium concentrations in drinking water supply wells in Northern Greece: Correlations with redox indicative parameters and implications for groundwater treatment. Sci. Total Environ. 2007, 383, 128-140.

Roberts, L. C.; Hug, S. J.; Dittmar, J.; Voegelin, A.; Saha, G. C.; Ali, M. A.; Badruzzanian, A. B. M.; Kretzschniar, R. Spatial distribution and temporal variability of arsenic in irrigated rice fields in Bangladesh. 1. Irrigation water. Environ. Sci. Technol. 2007, 41, 5960-5966.

Dittmar, J.; Voegelin, A.; Roberts, L. C.; Hug, S. J.; Saha, G. C.; Ali, M. A.; Badruzzaman, A. B. M.; Kretzschmar, R. Spatial distribution and temporal variability of arsenic in irrigated rice fields in Bangladesh. 2. Paddy soil. Environ. Sci. Technol. 2007, 41, 5967-5972.

Borer, P.; Hug, S. J.; Sulzberger, B.; Kraemer, S. M.; Kretzschmar, R. Photolysis of citrate on the surface of lepidocrocite: An in situ attenuated total reflection infrared spectroscopy study. J. Phys. Chem. C 2007, 111, 10560-10569.

Leuz, A. K.; Hug, S. J.; Wehrli, B.; Johnson, C. A. Iron-mediated oxidation of antimony(III) by oxygen and hydrogen peroxide compared to arsenic(III) oxidation. Environ. Sci. Technol. 2006, 40, 2565-2571.

Ahmed, M. F.; Ahuja, S.; Alauddin, M.; Hug, S. J.; Lloyd, J. R.; Pfaff, A.; Pichler, T.; Saltikov, C.; Stute, M.; van Geen, A. Epidemiology - Ensuring safe drinking water in Bangladesh. Science 2006, 314, 1687-1688.

Klump, S.; Kipfer, R.; Cirpka, O. A.; Harvey, C. F.; Brennwald, M. S.; Ashfaque, K. N.; Badruzzaman, A. B. M.; Hug, S. J.; Imboden, D. M. Groundwater Dynamics and Arsenic Mobilization in Bangladesh Assessed using Noble Gases and Tritium. Environ. Sci. Technol. 2006, 40, 243-250.

Hug, S. J.; Bahnemann, D. Infrared Spectra of Oxalate, Malonate and Succinate on the Aqueous Surface of Rutile, Anatase and Lepidocrocite measured with in situ ATR-FTIR. Journal of Electron Spectroscopy and Related Phenomena 2006, 150, 208-219.

Meunier, L.; Laubscher, H.; Hug, S. J.; Sulzberger, B. Effects of size and origin of natural dissolved organic matter compounds on the redox cycling of iron in sunlit surface waters. Aquat. Sci. 2005, 67, 292-307.

Leupin, O. X.; Hug, S. J.; Badruzzaman, A. B. M. Arsenic removal from Bangladesh tube well water with filter columns containing zerovalent iron filings and sand. Environ. Sci. Technol. 2005, 39, 8032-8037.

Leupin, O. X.; Hug, S. J. Oxidation and removal of arsenic (III) from aerated groundwater by filtration through sand and zero-valent iron. Water Res. 2005, 39, 1729-1740.

Harms, H.; Rime, J.; Leupin, O.; Hug, S. J.; van der Meer, J. R. Effect of groundwater composition on arsenic detection by bacterial biosensors. Microchimica Acta 2005, 151, 217-222.

Buschmann, J.; Canonica, S.; Lindauer, U.; Hug, S. J.; Sigg, L. Photoirradiation of dissolved humic acid induces arsenic(III) oxidation. Environ. Sci. Technol. 2005, 39, 9541-9546.

Voegelin, A.; Hug, S. J. Catalyzed oxidation of arsenic(III) by hydrogen peroxide on the surface of ferrihydrite. Geochim. Cosmochim. Acta 2004, 68, A516-A516.

Rotzinger, F. P.; Kesselman-Truttmann, J. M.; Hug, S. J.; Shklover, V.; Gratzel, M. Structure and vibrational spectrum of formate and acetate adsorbed from aqueous solution onto the TiO2 rutile (110) surface. J. Phys. Chem. B 2004, 108, 5004-5017.

Roberts, L. C.; Hug, S. J.; Ruettimann, T.; Billah, M.; Khan, A. W.; Rahman, M. T. Arsenic removal with iron(II) and iron(III) waters with high silicate and phosphate concentrations. Environ. Sci. Technol. 2004, 38, 307-315.

Gaberell, M.; Chin, Y. P.; Hug, S. J.; Sulzberger, B. Role of dissolved organic matter composition on the photoreduction of Cr(VI) to Cr(III) in the presence of iron. Environ. Sci. Technol. 2003, 37, 4403-4409.

Hug S.J. and O. Leupin. Iron-catalyzed oxidation of arsenic(III) by oxygen and by hydrogen peroxide: pH-dependent formation of oxidants in the Fenton reaction. Environmental Science & Technology, 2003. 37 (12): p. 2734-2742.

Voegelin A. and S. J. Hug, Catalyzed Oxidation of Arsenic(III) by Hydrogen Peroxide on the Surface of Ferrihydrite: An in Situ ATR-FTIR Study. Environmental Science & Technology, 2003. 37(5): p. 972-978.

Hug, S.J., An Adapted Water Treatment Option in Bangladesh: Solar Oxidation and Removal of Arsenic (SORAS). Environmental Sciences (MYU Tokyo), 2001. 8(5): p. 467-479.

Hug, S.J., L. Canonica, M. Wegelin, D. Gechter and U. Von Gunten, Solar oxidation and removal of arsenic at circumneutral pH in iron containing waters. Environmental Science & Technology, 2001. 35(10): p. 2114-2121.

Kesselman-Truttmann, J.M. and S.J. Hug, Photodegradation of 4,4 '-bis(2-sulfostyryl)biphenyl (DSBP) on Metal Oxides followed by In Situ ATR-FTIR Spectroscopy. Environmental Science & Technology, 1999. 33(18): p. 3171-3176.

Buerge, I.J. and S.J. Hug, Influence of Mineral Surfaces on Chromium(VI) Reduction by Iron(II). Environmental Science & Technology, 1999. 33(23): p. 4285-4291.

Weidler, P.G., S.J. Hug, T.P. Wetche and T. Hiemstra, Determination of Growth Rates of (100) and (110) Faces of Synthetic Goethite by Scanning Force Microscopy. Geochimica Et Cosmochimica Acta, 1998. 62(21-22): p. 3407-3412.

Eggleston, C.M., S. Hug, W. Stumm, B. Sulzberger and M.D. Afonso, Surface Complexation of Sulfate by Hematite Surfaces: FTIR and STM Observations. Geochimica Et Cosmochimica Acta, 1998. 62(4): p. 585-593.

Buerge, I.J. and S.J. Hug, Influence of Organic Ligands on Chromium(VI) Reduction by Iron(II). Environmental Science & Technology, 1998. 32(14): p. 2092-2099.

Sigg, L., K.U. Goss, S. Haderlein, H. Harms, S.J. Hug and C. Ludwig, Sorption Phenomena at Environmental Solid Surfaces. Chimia, 1997. 51(12): p. 893-899.

Schwarzenbach, R.P., W. Angst, C. Holliger, S.J. Hug and J. Klausen, Reductive Transformations of Anthropogenic Chemicals in Natural and Technical Systems. Chimia, 1997. 51(12): p. 908-914.

Jucker, B.A., H. Harms, S.J. Hug and A.J.B. Zehnder, Adsorption of Bacterial Surface Polysaccharides on Mineral Oxides is Mediated by Hydrogen Bonds. Colloids and Surfaces B-Biointerfaces, 1997. 9(6): p. 331-343.

Hug, S.J., H.U. Laubscher and B.R. James, Iron(III) Catalyzed Photochemical Reduction of Chromium(VI) by Oxalate and Citrate in Aqueous Solutions. Environmental Science & Technology, 1997. 31(1): p. 160-170.

Hug, S.J., In Situ Fourier Transform Infrared Measurements of Sulfate Adsorption on Hematite in Aqueous Solutions. Journal of Colloid and Interface Science, 1997. 188(2): p. 415-422.

Hug, S.J., I.J. Buerge and P.G. Weidler, Transformations of Chromium in the Environment. Analusis, 1997. 25(7): p. M12-M15.

Hug, S.J., A. Johnson, G. Friedl, T. Lichtensteiger, H. Belevi and M. Sturm, Characterization of Environmental Solids and Surfaces. Chimia, 1997. 51(12): p. 884-892.

Buerge, I.J. and S.J. Hug, Kinetics and pH Dependence of Chromium(VI) Reduction by Iron(II). Environmental Science & Technology, 1997. 31(5): p. 1426-1432.

Karametaxas, G., S.J. Hug and B. Sulzberger, Photodegradation of Edta in the Presence of Lepidocrocite. Environmental Science & Technology, 1995. 29(12): p. 2992-3000.

Hug, S.J. and B. Sulzberger, In-Situ Fourier-Transform Infrared Spectroscopic Evidence for the Formation of Several Different Surface Complexes of Oxalate on Tio2 in the Aqueous-Phase. Langmuir, 1994. 10(10): p. 3587-3597.

Non-reviewed articles and book chapters

Wegelin, M., D. Gechter, S.J. Hug, A. Mahmud and A. Motaleb. SORAS - a simple arsenic removal process. in WEDC 26th conference. 2001. Dhaka: WEDC, ISBN 0 906055 89 X.

Hug, S.J., M. Wegelin, D. Gechter and L. Canonica, Arsenic Contamination of Groundwater: Disastrous Consequences in Bangladesh. EAWAG News, 2000. 49e: p. 18-20.

Wegelin, M., Hug, St., Boller, M., Gechter, D. and S.Vermeul, S. Back to the Houshold - Also in Water Treatment, EAWAG News 48e, 11-12, 2000.

Wegelin M., Hug S., Canonica L., Urs von Gunten and Laura Sigg, Löst SORAS das Arsen Problem in Bangladesh? EAWAG Jahresbericht 1999, 24-25.

Eggleston, C.M., and Hug, Raster-Tunnel und Raster-Kraft Mikroskopie (RTM und RKM), 76-84. In Physikalisch-chemische Untersuchungsmethoden in den Geowissenschaften Band1. Eds.: Pavicevic, Miodrag. K. and Amthauer Georg. 252 Seiten. Schweizerbart'sche Verlagsbuchhandlung, Stuttgart 2000. ISBN 3-510-65196-0.

Publications from previous work

Hug, S.J. and S.G. Boxer, Dipolar character of ligand-centered transitions in transition metal tris-bipyridyl complexes. Inorganica Chimica Acta, 1996. 242(1-2): p. 323-327.

Stocker, J.W., S. Hug and S.G. Boxer, Stark-Effect Spectroscopy of the 1250 Nm P+ Band of Rhodobacter-Sphaeroides Reaction Centers and Related Model Compounds. Biochimica Et Biophysica Acta, 1993. 1144(3): p. 325-330.

Randall, C.E., J.W. Lewis, S.J. Hug, S.C. Bjorling, I. Eisnershanas, N. Friedman, M. Ottolenghi, M. Sheves and D.S. Kliger, A New Photolysis Intermediate in Artificial and Native Visual Pigments. Journal of the American Chemical Society, 1991. 113(9): p. 3473-3485.

Lewis, J.W., S.J. Hug, S.E. Wallacewilliams and D.S. Kliger, Direct Evidence for an Equilibrium between Early Photolysis Intermediates of Rhodopsin. Journal of the American Chemical Society, 1990. 112(18): p. 6711-6712.

Kliger, D.S., J.W. Lewis, S.J. Hug, C.M. Einterz, T. Thorgeirsson and S.C. Bjorling, Evidence for a New Photolysis Intermediate in Visual Pigments. Biophysical Journal, 1990. 57(2): p. A358-A358.

Hug, S.J., J.W. Lewis, C.M. Einterz, T.E. Thorgeirsson and D.S. Kliger, Nanosecond Photolysis of Rhodopsin - Evidence for a New, Blue- Shifted Intermediate. Biochemistry, 1990. 29(6): p. 1475-1485.

Hug, S.J., W.A. Yee and D.S. Kliger, Electronic Absorption-Spectra and Thermal-Stability of Cis- Trans Isomers of Diphenylbutadiene Cation Radicals. Chemical Physics Letters, 1990. 168(3-4): p. 385-390.

Einterz, C.M., S.J. Hug, J.W. Lewis and D.S. Kliger, Early Photolysis Intermediates of the Artificial Visual Pigment 13-Demethylrhodopsin. Biochemistry, 1990. 29(6): p. 1485-1491.

Lewis, J.W., C.M. Einterz, S.J. Hug and D.S. Kliger, Transition Dipole Orientations in the Early Photolysis Intermediates of Rhodopsin. Biophysical Journal, 1989. 56(6): p. 1101-1111.

Albeck, A., N. Friedman, M. Ottolenghi, M. Sheves, C.M. Einterz, S.J. Hug, J.W. Lewis and D.S. Kliger, Photolysis Intermediates of the Artificial Visual Pigment Cis- 5,6-Dihydro-Isorhodopsin. Biophysical Journal, 1989. 55(2): p. 233-241.

Yee, W.A., S.J. Hug and D.S. Kliger, Direct and Sensitized Photoisomerization of 1,4- Diphenylbutadienes. Journal of the American Chemical Society, 1988. 110(7): p. 2164-2169.

Hug, S.J., J.W. Lewis and D.S. Kliger, Evidence for a Common Batho Intermediate of Rhodopsin and Isorhodopsin. Journal of the American Chemical Society, 1988. 110(6): p. 1998-1999.

Einterz, C.M., J.W. Lewis, S.J. Hug and D.S. Kliger, Time-Resolved Spectral and Kinetic Measurements of Visual Pigments - Evidence for, and Implications of, 2 Forms of Bathorhodopsin. Biophysical Journal, 1988. 53(2): p. A386-A386.

Lewis, J.W., S.J. Hug and D.S. Kliger, Photographic Filter for Equalizing Spectral Output of Light- Sources Used with Optical Multichannel Analyzers. Review of Scientific Instruments, 1987. 58(12): p. 2342-2344.