Earth Sciences Division (ESD) Department of Energy (DOE) Lawrence Berkeley National Laboratory (LBNL)

Jiamin Wan's Publications

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Refereed Journals

      1. Tokunaga, T. K., J. Wan, J.-W. Jung, T. W. Kim, Y. Kim, and W. Dong, Capillary pressure and saturation relations for supercritical CO2 and brine in sand: High-pressure Pc(Sw) controller/meter measurements and capillary scaling predictions, Water Resour. Res., 49, 4566–4579, 2013.
      2. Tokunaga, T.K., and J. Wan, Capillary pressure and mineral wettability influences on reservoir CO2 capacity. in Reviews in Mineralogy and Geochemistry, D.J. DePaolo, D.R. Cole, A. Navrotsky, and I.C. Bourg, eds., Vol. 77, Chapter 14, pp. 481-503, 2013.
      3. Torkzaban, S., S. A. Bradford, J. Wan, T. K. Tokunaga, and A. Masoudih, Release of quantum dot nanoparticles in porous media: role of cation exchange and aging time, Environ. Sci. Technol., 47, 11528-11536, 2013. 
      4. Wan, J., T. K. Tokunaga; , W. Dong; , M. E. Denham; , and S. S. Hubbard, , Persistent Source source Influences influences on the Trailing trailing Edge edge of a Groundwater groundwater Plumeplume, and Natural natural Attenuation attenuation Timeframestimeframes: The F-Area Savannah River Site, Environ. Sci. Technol. 46, 4490−4497, 2012.
      5. Tokunaga, T.K., J. Wan, and M.E. Denham, Estimates of vadose zone drainage from a capped seepage basin”, Vadose Zone J., web-released 2012.
      6. Dong, W., T.K. Tokunaga, J.A. Davis, J. Wan, Uranium(VI) adsorption and surface complexation modeling on background sediments from the F-Area, Savannah River Site, Environ. Sci. Technol. 46, 1565-71, 2012.
      7. Jung, J. and J. Wan, Supercritical CO2 and ionic strength effects on wettability of silica surfaces: Equilibrium contact angle measurments, Energy & Fuels, in press (web released)26, 6053-6059, 2012.
      8. Kim, Y., J. Wan, T. J. Kneafsey, and T. K. Tokunaga, Dewetting of silica surfaces upon reactions with supercritical CO2 and brine: Pore-scale studies in micromodels, Environ. Sci. Technol., 46 (7), pp 4228–4235, 2012.
      9. Torkzaban, S., J. Wan, T.K. Tokunaga, S. A. Bradford, Impacts of bridging complexation on the transport of surface-modified nanoparticles in saturated sand, Journal of Contaminant Hydrology 136–137, 86–95, 2012.
      10. Tokunaga, T. K., Y. Kim, J. Wan, L. Yang, Aqueous uranium(VI) concentrations controlled by calcium uranyl vanadate precipitates. Environ. Sci. Technol. 46, 7471-7477, 2012.
      11. Wan, J., W. Dong, T. K. Tokunaga. Method to attenuate U(VI) mobility in acidic waste plumes using humic acids, Environ. Sci. Technol. 45, 2331-2337, 2011.
      12. Torkzaban, S., Wan, J., Kim, Y., Mulvihill, M., and Tokunaga, T. K., Transport and deposition of functionalized CdTe nanoparticles in saturated porous media. J. Contaminant Hydrology, 118, 208-217, 2010.
      13.  Mulvihill, M.J., S.E. Habas, I.J. La Plante, J. Wan, and T. Mokari, The influence of size, shape, and surface coating on the stability of aqueous nanoparticle suspensions, J. Phys. Chem, 22 (18), 5251–5257, 2010.
      14.  Wan, J., Y. Kim, T.K. Tokunaga, Z. Wang, S. Dixit, C.I. Steefel, E. Saiz, M. Kunz, and N. Tamura. Spatially resolved U(VI) partitioning and speciation: Implications for plume scale behavior of contaminant U in the Hanford vadose zone.  Environ. Sci. Technol. 43, 2247-2253, 2009.
      15.  Tokunaga, T.K., Y. Kim, and J. Wan.  Potential remediation approach for uranium-contaminated groundwaters through potassium uranyl vanadate precipitation.  Environ. Sci. Technol., 43, 5467-5471, 2009.
      16.   Wan, J., T.K. Tokunaga, Y. Kim, E. Brodie, R. Daly, T.C. Hazen, and M.K. Firestone. Effects of organic carbon supply rates on uranium mobility in a previously bioreduced contaminated sediment.  Environ. Sci. Technol. 42, 7573-7579, 2008.
      17.  Tokunaga, T.K., Wan, J., Kim, Y., R.A. Daly, E.L. Brodie, T.C. Hazen, D. Herman, and M.K. Firestone. Influences of organic carbon supply rate on uranium reduction in initially oxidizing, contaminated sediment.  Environ. Sci. Technol. 42, 8901-8907, 2008. 
      18.  Wan, J., T.K. Tokunaga, Y. Kim, Z. Wang, A. Lanzirotti, E. Saiz, and R.J. Serne, Effect of saline waste solution infiltration rates on uranium retention and spatial distribution in Hanford sediments, Environ. Sci. Technol., 42, 1973-1979, 2008.
      19. Tokunaga, T.K., J. Wan, Y. Kim, S.R. Sutton, M. Newville, A. Lanzirotti, and W. Rao.  Real-time X-ray absorption spectroscopy of uranium, iron, and manganese in contaminated sediments during bioreduction.  Environ. Sci. Technol., 42, 2839-2844, 2008.
      20.  Zheng, Z., G. Zhang, J. Wan, Reactive transport modeling of column experiments on  the evolution of saline-alkaline waste solutions, Journal of Contaminant Hydrology, 97, 42-54, 2008.
      21. He, Y.T., J. Wan, and T.K. Tokunaga, Kinetic stability of hematite nanoparticles: the effect of particle sizes, J. Nanopart. Res., 10:321-332, 2008.
      22. Faybishenko, B., T. C. Hazen, P. E. Long, E. L. Brodie, M. E. Conrad, S. S. Hubbard, J. N. Christensen, D. Joyner, S. E. Borglin, R. Chakraborty, K. H. Williams, J. E. Peterson, J. Chen, S. T. Brown, T. K. Tokunaga, J. Wan, M. Firestone, D. R. Newcomer, C. T. Resch, K. Cantrell, A. Willett, and S. Koenigsberg, In Situ situ Longlong-Term term Reductive reductive ioimmobilization of Cr(VI) in Groundwater groundwater Using using Hydrogen Release Compound, Environ. Sci. Technol., 42 (22), 8478-8485, 2008.
      23. Tokunaga, T.K., J. Wan, A. Lanzirotti, S.R. Sutton, and M. Newville, Long-term stability of organic carbon-stimulated chromate reduction in contaminated soils, and its relation to manganese redox status, Environ. Sci. Technol., 41 (12) 4326-31, 2007.
      24. Wan, J., T. Tyliszczak, T.K. Tokunaga, Organic carbon distribution and elemental correlations: Applications of STXM and NEXAFS spectroscopy, Geochim. Cosmochim. Acta, 71, 5439-49, 2007.
      25. McKinley, J. P., J. M. Zachara, J. Wan, D. E. McCready, and S. M. Heald, Geochemical controls on contaminant uranium in vadose Hanford formation sediments at the 200 Area and 300 Area, Hanford Site, Washington, Vadose Zone J. 6(4) 1004–1017, 2007.
      26. Brodie, E.L., T.Z. DeSantis, D.C. Joyner, S. Baek, J.T. Larsen, G.L. Andersen, T.C. Hazen, D.J. Herman, T.K. Tokunaga, “J.M.M.” Wan, and M.K. Firestone, Application of a high-density oligonucleotide microarray approach to study bacterial population dynamics during uranium reduction and reoxidation. Appl. Environ. Microbiol. 72:6288-6298, 2006.
      27. Zheng, Z., J. Wan, and X. Song. Sodium meta-autunite colloids: Synthesis, characterization, and stability. Colloids Surfaces A. Physicochemical Eng. Aspects, 274, 48-55, 2006.
      28. Wan, J. and T.K. Tokunaga, Comments on “Pore-scale visualization of colloid transport and retention in partly saturated porous media”, Vadose Zone J., 4, 954-956, 2005.
      29. Tokunaga, T.K., K.R. Olson, and J. Wan, Infiltration flux distributions in unsaturated rock deposits and their potential implications for fractured rock formations.  Geophys. Res. Lett. 32, L05405, doi:10.1029/2004GL022203, 2005. 
      30. Wan, J., T.K. Tokunaga, E. Brodie, Z. Wang, Z. Zheng, T.C. Hazen, M.K. Firestone, S.R. Sutton, Reoxidation of bioreduced U under reducing conditions. Environ. Sci. Technol., 39, 6162-69, 2005.
      31. Tokunaga, T. K., J. Wan, J. Pena, E. Brodie, M.K. Firestone, and T.C. Hazen, Uranium reduction in sediments under diffusion-limited transport of organic carbon, Environ. Sci. Technol., 39, 7077-83, 2005.
      32. Zhang, G., Z. Zheng, J. Wan, Modeling reactive geochemical transport of concentrated aqueous solutions in variably saturated media. Water Resour. Res., 41, W02018, doi: 10.1029/ 2004 WR003097, 2005.
      33. Zheng, Z. and J. Wan, Release of contaminant U(VI) from soils, Radiochim. Acta, 93, 1–7, 2005
      34. Tokunaga, T.K., J. Wan, J. Pena, S.R. Sutton, and M. Newville. Hexavalent uranium diffusion in soils from concentrated acidic and alkaline solutions. Environ. Sci. Technol. 38, 3056-3062, 2004.
      35. Wan, J., T.K. Tokunaga, J.T. Larsen, and R.J. Serne, Geochemical evolution of highly alkaline and saline tank waste plumes during seepage through vadose zone sediments, Geochim. Cosmochim. Acta.  68, 491-502, 2004.
      36. Wan, J., J.T. Larsen, T.K. Tokunaga, Z. Zheng,  pH neutralization and zonation in alkaline-saline tank waste plumes. Environ. Sci. Technol. 38, 1321-1329, 2004.
      37.  Wan, J., T.K. Tokunaga, E. Saiz, J.T. Larsen, Z. Zheng, R.A. Couture, Colloid formation at waste plume fronts.  Environ. Sci. Technol. 38, 5603-5608, 2004.
      38. Tokunaga, T.K., K.R. Olson, and J. Wan. Conditions necessary for capillary hysteresis in porous media: Tests of grain-size and surface tension influences. Water Resour. Res. 40, W05111, 2004.
      39. Zheng, Z., T.K. Tokunaga, and J. Wan, Influence of calcium carbonate on U(VI) sorption to soils. Environ. Sci. Technol. 37, 5603-5608, 2003.
      40. Tokunaga, T.K., J. Wan, T.C. Hazen, E. Schwartz, M.K. Firestone, S.R. Sutton, M. Newville,  K.R. Olson, A. Lanzirotti,  and W. Rao. Distribution of chromium contamination and microbial activity in soil aggregates. J. Environ. Qual. 32, 541-549, 2003.
      41. Tokunaga, T.K., K.R. Olson, and J. Wan, Moisture characteristics of Hanford gravels: Bulk, grain-surface, and intragranular components. Vadose Zone J. 2, 322-329, 2003.
      42. Tokunaga, T.K., J. Wan, M.K. Firestone, T.C. Hazen,  K.R. Olson, D.J. Herman, S.R. Sutton, and A. Lanzirotti, In-situ reduction of Cr(VI) in heavily contaminated soils through organic carbon amendment. J. Environ. Qual. 32, 1641-1649, 2003.
      43.  Wan, J., T.K. Tokunaga, Partitioning of clay colloids at air-water interfaces, J. Colloid Interface Sci. 247, 54-61, 2002.
      44. Tokunaga, T.K., J. Wan, and K.R. Olson, Saturation-matric potential relations in gravel.  Water Resour. Res., 38(10), 1214, 2002.
      45.  Wan, J., S. Veerapaneni, F. Gadelle, and T.K. Tokunaga, Generation of stable micro-bubbles and their transport through porous media, Water Resour. Res., 37, 1173-1182, 2001.
      46.  Tokunaga, T.K., and J. Wan, Surface-zone flow in unsaturated rock fractures, Water Resour. Res., 37, 287-296, 2001.
      47. Wan, J., S. Veerapaneni, F. Gadelle, and T.K. Tokunaga, Generation of stable micro-bubbles and their transport through porous media, Water Resour. Res., 37, 1173-1182, 2001.
      48. Tokunaga, T.K., and J. Wan, Approximate boundaries between different flow regimes in fractured rocks.  Water Resour. Res., 37, 2103-2111, 2001. 
      49. Gadelle, F., J. Wan, and T.K. Tokunaga. Removal of U(VI) from contaminated sediments by surfactants, J. Environ. Qual., 30, 470-478, 2001.
      50. Tokunaga, T.K., J. Wan, M.K. Firestone, T.C. Hazen, E. Schwartz, S.R. Sutton, M. Newville, Chromium diffusion and reduction in soil aggregates, Environ. Sci. Technol., 35, 3169-3174, 2001.
      51.  Veerapaneni, S., J. Wan, and T. K. Tokunaga, Particle motion in film flow, Environ. Sci. Technol., 34, 2465-2471, 2000.
      52.  Wan, J., T.K. Tokunaga, T. Orr, and J. O'Neill, Glass casts of rock fractures: A new tool for studying flow and transport, Water Resour. Res., 36, 355-360, 2000.
      53.  Tokunaga, T.K., J. Wan, and S.R. Sutton. Transient film flow on rough fracture surfaces, Water Resour. Res., 36, 1737-1746, 2000.
      54.  Wan, J. and T.K. Tokunaga, Measuring partition coefficients of colloids at air-water interfaces, Environ. Sci. Technol., 32, 3293-3298, 1998.
      55.  Wan, J. and T.K. Tokunaga, Film-straining of colloids in unsaturated porous media: conceptual model and experimental testing, Environ. Sci. Technol., 31, 2413-2420, 1997.
      56. Tokunaga, T.K. and J. Wan, Water film flow along fracture surfaces of porous rock, Water Resour. Res., 33, 1287-1295, 1997.
      57.  Wan, J., T.K. Tokunaga, C.F. Tsang, and G.S. Bodvarsson, Improved glass micromodel methods for studies of flow and transport in fractured porous media, Water Resour. Res., 32, 1955-1964,1996.
      58.  Wan, J., T.K. Tokunaga, and C.F. Tsang, Bacterial sedimentation through a porous medium, Water Resour. Res., 31, 1627-1636,1995.
      59. Wan, J., T.K. Tokunaga, and C.F. Tsang, Bacterial sedimentation through porous media.  Water Resour. Res. 31:1627-1636, 1995.
      60.  Wan, J., and J.L. Wilson, Colloid transport in unsaturated porous media, Water Resour. Res., 30, 857,1994.
      61.  Wan, J., J.L. Wilson, and T. Kieft, Influence of the gas-water interface on transport of microorganisms through unsaturated porous media, Appl. Environ. Microbio., 60, 509 1994.
      62.  Wan, J. and J.L. Wilson, Visualization of the role of the gas-water interface on the fate and transport of colloids in porous media, Water Resour. Res., 30, 11-23, 1994.

      Selected Conferences, Seminars, and Invited Talks

      • Wan, J., Frontier research on CO2 utilization, School of Environmental Science & Technology, Dalian University of Technology, China, April 3rd, 2014, invited talk.
      • Wan, J., Effects of supercritical CO2 on mineral wettability and multi-phase residual trapping, School of Environmental Science & Technology, Dalian University of Technology, China, April 1st, 2014, invited talk.
      • Wan, J., W. Dong, T.K. Tokunaga, K.H. Williams, Y. Kim, M.E. Conrad, B. Gilbert, P.E. Long, S. Hubbard, Carbon transport and transformation from vadose zone to groundwater, Goldschmidt, June 10 th, Sacramento, California, 2014.
      • Wan, J., Y. Kim, P. Bikkina, T.K. Tokunaga, and S. Wang, Wetting behavior of supercritical CO2 and brine on mica surfaces and in silica pores, NCGC Workshop October 31, 2013. Oral presentation.
      • Wan, J., T.K. Tokunaga, Y. Kim, J. Jung, T.W. Kim,CO2  reaction induced wettability alteration and its impacts on CO2 storage: pore to core scale reservoir condition experimental studies, AGU Fall Meeting, 9-13 December, 2013.

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