Zhang, W (Zhang, Wei); Xu, TF (Xu, Tianfu); Li, YL (Li, Yilian), Modeling of fate and transport of coinjection of H(2)S with CO(2) in deep saline formations, GEOPHYSICAL RESEARCH-SOLID EARTH ,  DOI: 10.1029/2010JB007652 , 2011.

Xu, T., Kharaka, Y.K., Doughty, C., Freifeld, B.M., Daley, T.M., Reactive transport modeling to study changes in water chemistry induced by co2 injection at the frio-1 brine pilot, Chemical Geology, v. 271, p. 153-164, 2010.

Apps, J.A., Zheng, L., Zhang, Y., Xu, T., Birkholzer, J.L., Evaluation of potential changes in groundwater quality in response to CO ₂ leakage from deep geologic storage, Transport in Porous Media, DOI 10.1007/s11242-009-9509-8, 2009.

Zheng, L., Apps, J.A., Zhang, Y., Xu, T., Birkholzer, J., On mobilization of lead and arsenic in groundwater in response to CO ₂ leakage from deep geological storage. Chemical Geology, v. 268, p. 281-297, 2009.

Samper, J., T. Xu, C. Yang, A sequential partly iterative approach for multicomponent reactive transport with CORE2D, Computational Geosciences, v. 13, p. 301-316, 2009.

Xu, T., Rose, P., Fayer, S., Pruess, K., On modeling of chemical stimulation of an enhanced geothermal system using a high pH solution with chelating agent, Geofluid, v. 9, p. 167-177, 2009.

Zhang, W., Li, Y., Xu, T., Cheng, H., Zheng, Y., Xiong, P., Long-term variations of CO ₂ trapped in different mechanisms in deep saline formations: A case study of the Songliao Basin, China, Greenhouse Gas Control Technologies, v3(2), p. 161-180, 2009.

Gu, C., F. Maggi, W. J. Riley, G. M. Hornberger, T. Xu, C. M. Oldenburg, N. Spycher, N. L. Miller, R. T. Venterea, and C. I. Steefel, Aqueous and Gaseous Nitrogen Losses Induced by Fertilizer Application, J. Geophys. Res., doi:10.1029/2008JG000788, 2009.

Xu, T., Incorporation of aqueous reaction kinetics and biodegradation into TOUGHREACT: Application of a multi-region model to hydrobiogeochemical transport of denitrification and sulfate reduction, Vadose Zone Journal, February issue, p. 305-315, 2008. doi: 10.2136/vzj2006.0130, 2007.

Xu, T., R. Senger, and S. Finsterle, Corrosion-induced gas generation in a nuclear waste repository: Reactive geochemistry and multiphase flow effects, Applied Geochemistry, v.23, p. 3423-3433, 2008.

Maggi, F., C. Gu, W. J. Riley, G.M. Hornberger, R.T. Venterea, T. Xu, N. Spycher, C.I. Steefel, and N.L. Miller, Mechanistic modeling of biogeochemical nitrogen cycling: model development and application in an agricultural system, J. Geophys. Res. (Biogeosciences), 113, doi:10.1029/2007JG000578, 2008.

Finsterle, S., C. Doughty, M.B. Kowalsky, G.J. Moridis, L. Pan, T. Xu, Y. Zhang, and K. Pruess, Advanced vadose zone simulation using TOUGH, Vadose Zone Journal, v. 2008-7, p. 601-609, 2008.

Birkle, P., K. Pruess, T. Xu, R.A. Hernandez-Figueroa and M. Diaz-Lopez, Using laboratory flow experiments and reactive chemical transport modeling for designing waterflooding of the Agua Fría Reservoir, Poza Rica-Altamira Field, Mexico, paper SPE 103869-PP, SPE Reservoir Evaluation and Engineering, p. 1029-1045, 2008.

Zhang, G., N. Spycher, E. Sonnenthal, C. Steefel, and T. Xu, Implementation of a Pitzer Activity Model into TOUGHREACT for modeling concentrated solutions, Nuclear Technology, v. 164, p. 180-195, 2008.

Gherardi, F., T. Xu, and K. Pruess, Numerical modeling of self-limiting and self-enhancing caprock alteration induced by CO ₂ storage in a depleted gas reservoir, Chemical Geology, v. 244, p. 103-129, 2007.

Audigane, P., I. Gaus, I. Czernichowski-Lauriol, K. Pruess and T. Xu. Two-dimensional reactive transport modeling of CO2 injection in a saline aquifer at the Sleipner Site, American Journal of Science, v. 307, p. 974-1008, 2007.

Xu, T., J. A. Apps, K. Pruess, and H. Yamamoto, Numerical modeling of injection and mineral trapping of CO2 with H2S and SO2 in a sandstone formation, Chemical Geology, v. 242/3-4, p. 319-346, 2007.

Randolph, A., W. Zhou, T. Xu, K. Pruess, B. Stromberg, Experimental calibration of a reactive-transport model of buffer cementation, Chinese Journal of Rock Mechanics and Engineering, v.25, p., 2006.

Xu, T., E.L. Sonnenthal, N. Spycher, and K. Pruess, TOUGHREACT - A simulation program for non-isothermal multiphase reactive geochemical transport in variably saturated geologic media: Applications to geothermal injectivity and CO ₂ geological sequestration, Computer & Geoscience, v. 32/2 p. 145-165, 2006.

Sonnenthal, E., T. Xu , and G. Bodvarsson, Reply to “Commentary: Assessment of past infiltration fluxes through Yucca Mountain on the basis of the secondary mineral record—is it a viable methodology?”, by Y.V. Dublyansky and S.Z. Smirnov, Journal of Contaminant Hydrology, v. 77(3), p. 225-231, 2005.

Xu, T., CO ₂ geological sequestration, China Encyclopedic Knowledge (a China popular science magazine), 307(2), 34-35, 2005.

Xu, T, J. A. Apps, and K. Pruess, Mineral sequestration of carbon dioxide in a sandstone-shale system, Chemical Geology, v. 217(3-4), p. 295-318, 2005. DOI information: 10.1016/j.chemgeo.2004.12.015, 2005.

Kim, J., F.W. Schwartz, T. Xu, and J. Shi, Coupled processes of fluid flow, solute transport and geochemical reactions in reactive barriers, Vadose zone Journal, 2004(3), p. 867-874, 2004.

Xu, T, J. A. Apps, and K. Pruess, Numerical simulation of CO ₂ disposal by mineral trapping in deep aquifers, Applied Geochemistry, 19, 917-936, 2004.    

Xu, T., Y. Ontoy, P. Molling, N. Spycher, M. Parini, and K. Pruess,Reactive transport modeling of injection well scaling and acidizing at Tiwi Field, Philippines, Geothermics, v. 33(4), p. 477-491, 2004.

Pruess, K., and T. Xu, Numerical Simulation of Reactive Flow in Hot Aquifers by Christoph Clauser (Ed.), Springer-Verlag, Berlin, Heidelberg, New York, Geothermics, 33, 213-215, 2004.    

Todaka, N., C. Akasaka, T. Xu, and K. Pruess, Reactive geothermal transport                            simulations to study the formation mechanism of an impermeable barrier between acidic and neutral fluid zones in the Onikobe Geothermal Field, Japan, Journal of Geophysical Research, v. 109, B05209, doi:10.1029/2003JB002792, 2004.  

Pruess, K., J. García, T. Kovscek, C. Oldenburg, J. Rutqvist, C. Steefel, and T. Xu, Code intercomparison builds confidence in numerical simulation models for geologic disposal of CO2, Energy, v. 29, p. 1431-1444, 2004.

Kiryukhin, A., T. Xu, K. Pruess, J. Apps, and I. Slovtsov, Thermal-hydrodynamic-chemical (THC) modeling based on geothermal field data, Geothermics, v. 33(3), p. 349-381, 2004.

Pruess, K., Xu, T., Apps, J., and García, J., Numerical modeling of aquifer disposal of CO2, Paper SPE-83695, SPE Journal, p. 49-60, 2003.    

Xu, T, J. A. Apps, and K. Pruess, Reactive geochemical transport simulation to study mineral trapping for CO ₂ disposal in deep arenaceous formations, Journal of Geophysical Research, v. 108 (B2), 2071, doi:10.1029/2002JB001979, 2003.

Xu, T., E. Sonnenthal, and G. Bodvarsson,A reaction-transport model for calcite precipitation and evaluation of infiltration-percolation fluxes in unsaturated fractured rock, Journal of Contaminant Hydrology, v. 64, p. 113 - 127, 2003.

Xu, T., and K. Pruess, Modeling multiphase non-isothermal fluid flow and reactive geochemical transport in variably saturated fractured rocks: 1. Methodology, American Journal of Science, v. 301, p. 16-33, 2001.

Xu, T., E. Sonnenthal, N. Spycher, K. Pruess, G. Brimhall, and J. Apps, Modeling multiphase non-isothermal fluid flow and reactive geochemical transport in variably saturated fractured rocks: 2. Applications to supergene copper enrichment and hydrothermal flows, American Journal of Science, v. 301, p. 34-59, 2001.    

Xu, T., and Pruess, K., On fluid flow and mineral alteration in fractured caprock of magmatic hydrothermal systems, Journal of geophysical Research, v. 106(B2), p. 2121-2138, 2001.    

Xu, T., S. P. White, K. Pruess, and G. H. Brimhall, Modeling of pyrite oxidation in saturated and unsaturated subsurface flow systems, Transport in porous media,v . 39, p. 25-56, 2000.    

Xu, T., K. Pruess, and G. Brimhall. An improved equilibrium-kinetics speciation algorithm for redox reactions in variably saturated flow systems, Computers & Geosciences, v. 25(6), p. 655 -666, 1999.

Xu, T., J. Samper, C. Ayora, M. Manzano, and E. Custodio, Modeling of non-isothermal multi-component reactive transport in field-scale porous media flow system, Journal of Hydrology, v. 214, p. 144-164, 1999.