Chongxuan Liu

Summary

Affiliation: Pacific Northwest National Laboratory
Country: USA

Publications

  1. ncbi request reprint Cr(VI) removal from aqueous solution by activated carbon coated with quaternized poly(4-vinylpyridine)
    Jun Fang
    Department of Civil and Environmental Engineering, University of Missouri Columbia, Columbia Missouri 65211, USA
    Environ Sci Technol 41:4748-53. 2007
  2. ncbi request reprint Kinetics of reductive dissolution of hematite by bioreduced anthraquinone-2,6-disulfonate
    Chongxuan Liu
    Pacific Northwest National Laboratory, P O Box 999, MS K8 96, Richland, Washington 99352, USA
    Environ Sci Technol 41:7730-5. 2007
  3. ncbi request reprint Reduction of Tc(VII) by Fe(II) sorbed on Al (hydr)oxides
    T Peretyazhko
    Pacific Northwest National Laboratory, Richland, Washington 99354, USA
    Environ Sci Technol 42:5499-506. 2008
  4. ncbi request reprint Microbial reduction of Fe(III) and sorption/precipitation of Fe(II) on Shewanella putrefaciens strain CN32
    C Liu
    Pacific Northwest National Laboratory, Richland, Washington 99352, USA
    Environ Sci Technol 35:1385-93. 2001
  5. ncbi request reprint Kinetics of microbial reduction of Solid phase U(VI)
    Chongxuan Liu
    Pacific Northwest National Laboratory, Richland, Washington 99352, USA
    Environ Sci Technol 40:6290-6. 2006
  6. ncbi request reprint Influence of calcium on microbial reduction of solid phase uranium(VI)
    Chongxuan Liu
    Pacific Northwest National Laboratory, Richland, Washington 99352, USA
    Biotechnol Bioeng 97:1415-22. 2007
  7. ncbi request reprint Influence of sediment bioreduction and reoxidation on uranium sorption
    Chongxuan Liu
    Pacific Northwest National Laboratory, Richland, Washington 99352, USA
    Environ Sci Technol 39:4125-33. 2005
  8. ncbi request reprint An electrodynamics-based model for ion diffusion in microbial polysaccharides
    Chongxuan Liu
    Pacific Northwest National Laboratory, P O Box 999, MSIN K8 96, Richland, WA 99352, USA
    Colloids Surf B Biointerfaces 38:55-65. 2004
  9. ncbi request reprint A cation exchange model to describe Cs+ sorption at high ionic strength in subsurface sediments at Hanford site, USA
    Chongxuan Liu
    Environmental Dynamics Simulation, Pacific Northwest National Laboratory, P O Box 999, MSIN K8 96, Richland, WA 99352, USA
    J Contam Hydrol 68:217-38. 2004
  10. ncbi request reprint Microbial reduction of intragrain U(VI) in contaminated sediment
    Chongxuan Liu
    Pacific Northwest National Laboratory, Richland, Washington 99352, USA
    Environ Sci Technol 43:4928-33. 2009

Detail Information

Publications41

  1. ncbi request reprint Cr(VI) removal from aqueous solution by activated carbon coated with quaternized poly(4-vinylpyridine)
    Jun Fang
    Department of Civil and Environmental Engineering, University of Missouri Columbia, Columbia Missouri 65211, USA
    Environ Sci Technol 41:4748-53. 2007
    ..Overall, the study has demonstrated that GAC-QPVP can effectively remove Cr(VI) from aqueous solutions under a wide range of experimental conditions, without significant Cr(III) release associated with the virgin GAC treatment...
  2. ncbi request reprint Kinetics of reductive dissolution of hematite by bioreduced anthraquinone-2,6-disulfonate
    Chongxuan Liu
    Pacific Northwest National Laboratory, P O Box 999, MS K8 96, Richland, Washington 99352, USA
    Environ Sci Technol 41:7730-5. 2007
    ..The rates were also affected by the redox reaction free energy when reductive dissolution approached equilibrium. This study demonstrated the importance of the geochemical variables for the reductive dissolution kinetics of iron oxides...
  3. ncbi request reprint Reduction of Tc(VII) by Fe(II) sorbed on Al (hydr)oxides
    T Peretyazhko
    Pacific Northwest National Laboratory, Richland, Washington 99354, USA
    Environ Sci Technol 42:5499-506. 2008
    ..Tc-EXAFS spectroscopy revealed that the final heterogeneous redox product on corundum was similar to Tc(IV) oxyhydroxide, TcO2 x nH2O...
  4. ncbi request reprint Microbial reduction of Fe(III) and sorption/precipitation of Fe(II) on Shewanella putrefaciens strain CN32
    C Liu
    Pacific Northwest National Laboratory, Richland, Washington 99352, USA
    Environ Sci Technol 35:1385-93. 2001
    ....
  5. ncbi request reprint Kinetics of microbial reduction of Solid phase U(VI)
    Chongxuan Liu
    Pacific Northwest National Laboratory, Richland, Washington 99352, USA
    Environ Sci Technol 40:6290-6. 2006
    ..The results demonstrated that microbial reduction of solid-phase U(VI) is controlled by coupled biological, chemical, and physical processes...
  6. ncbi request reprint Influence of calcium on microbial reduction of solid phase uranium(VI)
    Chongxuan Liu
    Pacific Northwest National Laboratory, Richland, Washington 99352, USA
    Biotechnol Bioeng 97:1415-22. 2007
    ....
  7. ncbi request reprint Influence of sediment bioreduction and reoxidation on uranium sorption
    Chongxuan Liu
    Pacific Northwest National Laboratory, Richland, Washington 99352, USA
    Environ Sci Technol 39:4125-33. 2005
    ..Our results highlight the complexity of the coupled U-Fe redox system and show that sorbed Fe(II) is not a universal reductant for U(VI) as commonly assumed...
  8. ncbi request reprint An electrodynamics-based model for ion diffusion in microbial polysaccharides
    Chongxuan Liu
    Pacific Northwest National Laboratory, P O Box 999, MSIN K8 96, Richland, WA 99352, USA
    Colloids Surf B Biointerfaces 38:55-65. 2004
    ....
  9. ncbi request reprint A cation exchange model to describe Cs+ sorption at high ionic strength in subsurface sediments at Hanford site, USA
    Chongxuan Liu
    Environmental Dynamics Simulation, Pacific Northwest National Laboratory, P O Box 999, MSIN K8 96, Richland, WA 99352, USA
    J Contam Hydrol 68:217-38. 2004
    ..The Kd predictions closely followed the trend in the field data and were improved by consideration of water activity effects that were considerable in certain regions of the vadose zone plume...
  10. ncbi request reprint Microbial reduction of intragrain U(VI) in contaminated sediment
    Chongxuan Liu
    Pacific Northwest National Laboratory, Richland, Washington 99352, USA
    Environ Sci Technol 43:4928-33. 2009
    ....
  11. ncbi request reprint Effect of temperature on Cs+ sorption and desorption in subsurface sediments at the Hanford Site, U.S.A
    Chongxuan Liu
    Pacific Northwest National Laboratory, Richland, Washington 99352, USA
    Environ Sci Technol 37:2640-5. 2003
    ..The kinetics of desorption of the exchangeable pool (which was less than the total adsorbed concentration) were found to be rapid under the conditions studied...
  12. ncbi request reprint Reduction kinetics of Fe(III), Co(III), U(VI), Cr(VI), and Tc(VII) in cultures of dissimilatory metal-reducing bacteria
    Chongxuan Liu
    Pacific Northwest National Laboratory, Richland, Washington 99352, USA
    Biotechnol Bioeng 80:637-49. 2002
    ..The more precise rate coefficients of the first-order model provided a better means than the Monod parameters, to quantitatively compare the reduction rates between metals, electron donors, and DMRB species...
  13. ncbi request reprint Modeling the inhibition of the bacteral reduction of U(VI) by beta-MnO2(s)
    Chongxuan Liu
    Pacific Northwest National Laboratory, Richland, Washington 99352, USA
    Environ Sci Technol 36:1452-9. 2002
    ..The coupled model that was modified to account for the "effective" contact surface area between UO2(s) and beta-MnO2(s) significantly improved the simulation of microbial reduction of U(VI) in the presence of beta-MnO2(s)...
  14. ncbi request reprint Kinetics of uranium(VI) desorption from contaminated sediments: effect of geochemical conditions and model evaluation
    Chongxuan Liu
    Pacific Northwest National Laboratory, Richland, Washington 99354, USA
    Environ Sci Technol 43:6560-6. 2009
    ....
  15. ncbi request reprint Kinetic analysis of the bacterial reduction of goethite
    C Liu
    Pacific Northwest National Laboratory, Richland, Washington 99352, USA
    Environ Sci Technol 35:2482-90. 2001
    ..Using independently estimated parameters, the developed model successfully described bacterial goethite reduction with variable FeOOH and lactate concentrations...
  16. ncbi request reprint Uncertainties of Monod kinetic parameters nonlinearly estimated from batch experiments
    C Liu
    Pacific Northwest National Laboratory, Richland, Washington 99352, USA
    Environ Sci Technol 35:133-41. 2001
    ..Examples involving the microbial reduction of iron(III) as an electron acceptor are used to illustrate the application of the developed technique...
  17. ncbi request reprint An ion diffusion model in semi-permeable clay materials
    Chongxuan Liu
    Pacific Northwest National Laboratory, P O Box 999, MSIN K8 96, Richland, Washington, 99352, USA
    Environ Sci Technol 41:5403-9. 2007
    ....
  18. ncbi request reprint Reduction of uranyl in the interlayer region of low iron micas under anoxic and aerobic conditions
    Eugene S Ilton
    Pacific Northwest National Laboratory, Richland, Washington 99352, USA
    Environ Sci Technol 40:5003-9. 2006
    ..This extends the range of possible environments where heterogeneous reduction of UVI by micas might occur...
  19. ncbi request reprint Pathways of aqueous Cr(VI) attenuation in a slightly alkaline oxic subsurface
    Nikolla P Qafoku
    Pacific Northwest National Laboratory, Richland, Washington 99352, USA
    Environ Sci Technol 43:1071-7. 2009
    ....
  20. ncbi request reprint Oxidative remobilization of biogenic uranium(IV) precipitates: effects of iron(II) and pH
    Lirong Zhong
    Pacific Northwest National Laboratory, Richland, WA 99354, USA
    J Environ Qual 34:1763-71. 2005
    ..Sorption experiments and modeling calculations indicated that the inhibitive effect of Fe(II) on U(IV) oxidative remobilization was consistent with the Fe(III) oxide precipitation and U(VI) sorption to this secondary phase...
  21. doi request reprint Inhibition effect of secondary phosphate mineral precipitation on uranium release from contaminated sediments
    Zhenqing Shi
    Pacific Northwest National Laboratory, Richland, Washington 99354, USA
    Environ Sci Technol 43:8344-9. 2009
    ....
  22. ncbi request reprint Influence of electron donor/acceptor concentrations on hydrous ferric oxide (HFO) bioreduction
    James K Fredrickson
    Pacific Northwest National Laboratory, Richland, WA 99352, USA
    Biodegradation 14:91-103. 2003
    ..The respiration driven rate of Fe(II) formation from HFO is believed to be a primary factor governing the array of ferrous and ferric iron phases formed during reduction...
  23. pmc Kinetics of reduction of Fe(III) complexes by outer membrane cytochromes MtrC and OmcA of Shewanella oneidensis MR-1
    Zheming Wang
    Pacific Northwest National Laboratory, Richland, WA 99352, USA
    Appl Environ Microbiol 74:6746-55. 2008
    ..The results demonstrate that ligand complexation plays an important role in microbial dissimilatory reduction and mineral transformation of iron, as well as other redox-sensitive metal species in nature...
  24. doi request reprint Effect of grain size on uranium(VI) surface complexation kinetics and adsorption additivity
    Jianying Shang
    Pacific Northwest National Laboratory, Richland, Washington 99354, USA
    Environ Sci Technol 45:6025-31. 2011
    ..One important implication of this study is that grain-size distribution may be used to estimate uranium adsorption site and adsorption/desorption kinetic rates in heterogeneous sediments from a common location...
  25. ncbi request reprint Cryogenic laser induced fluorescence characterization of U(VI) in Hanford Vadose Zone pore waters
    Zheming Wang
    Pacific Northwest National Laboratory, Richland, Washington 99352, USA
    Environ Sci Technol 38:5591-7. 2004
    ....
  26. ncbi request reprint Kinetic desorption and sorption of U(VI) during reactive transport in a contaminated Hanford sediment
    Nikolla P Qafoku
    Pacific Northwest National Laboratory, PO Box 999, MSIN K3 61, Richland, Washington 99301, USA
    Environ Sci Technol 39:3157-65. 2005
    ..Our results suggest that U(VI) release and transport in the vadose zone and aquifer system from which the sediment was obtained are kinetically controlled...
  27. doi request reprint Persistence of uranium groundwater plumes: contrasting mechanisms at two DOE sites in the groundwater-river interaction zone
    John M Zachara
    Pacific Northwest National Laboratory, Richland, WA 99354, USA
    J Contam Hydrol 147:45-72. 2013
    ..The comparative analysis of these sites provides important guidance to the characterization, understanding, modeling, and remediation of groundwater contaminant plumes influenced by surface water interaction that are common world-wide...
  28. ncbi request reprint Hydrogenase- and outer membrane c-type cytochrome-facilitated reduction of technetium(VII) by Shewanella oneidensis MR-1
    Matthew J Marshall
    Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA 99354, USA
    Environ Microbiol 10:125-36. 2008
    ..c-Type cytochrome-catalysed Tc(VII) reduction could be a potentially important mechanism in environments where organic electron donor concentrations are sufficient to allow this reaction to dominate...
  29. ncbi request reprint Advective removal of intraparticle uranium from contaminated vadose zone sediments, Hanford, U.S
    Eugene S Ilton
    Pacific Northwest National Laboratory, Chemical Science Division, 902 Battelle Boulevard, MS KB 96, Richland, Washington 99352, USA
    Environ Sci Technol 42:1565-71. 2008
    ....
  30. doi request reprint Fe(3-x)Ti(x)O4 nanoparticles as tunable probes of microbial metal oxidation
    Juan Liu
    Pacific Northwest National Laboratory, Richland, Washington 99352, USA
    J Am Chem Soc 135:8896-907. 2013
    ....
  31. doi request reprint Diffusion and adsorption of uranyl carbonate species in nanosized mineral fractures
    Sebastien Kerisit
    Pacific Northwest National Laboratory, Chemical and Materials Sciences Division, Richland, Washington 99352, United States
    Environ Sci Technol 46:1632-40. 2012
    ....
  32. doi request reprint Physical control on CCl4 and CHCl3 desorption from artificially contaminated and aged sediments with supercritical carbon dioxide
    Nikolla P Qafoku
    Pacific Northwest National Laboratory, Richland, WA 99352, USA
    Chemosphere 74:494-500. 2009
    ..This indicated that contaminant desorption during the late stage of leaching was driven by concentration gradients (i.e., diffusion) within sediment matrix porosity...
  33. ncbi request reprint Molecular simulations of water and ion diffusion in nanosized mineral fractures
    Sebastien Kerisit
    Chemical and Materials Sciences Division, Pacific Northwest National Laboratory, Richland, Washington 99352, USA
    Environ Sci Technol 43:777-82. 2009
    ..The molecular dynamics results improve our conceptual models of ion transport in nanoscale pore regions surrounded by mineral surfaces in porous media...
  34. doi request reprint In-situ measurements of engineered nanoporous particle transport in saturated porous media
    Jianying Shang
    Pacific Northwest National Laboratory, Richland, Washington 99354, USA
    Environ Sci Technol 44:8190-5. 2010
    ..The developed system can also be applied to detect other fluorescent nanostructured or colloidal particles in porous media...
  35. doi request reprint Micromodel investigation of transport effect on the kinetics of reductive dissolution of hematite
    Changyong Zhang
    Pacific Northwest National Laboratory, P O Box 999 Richland, Washington 99352, USA
    Environ Sci Technol 47:4131-9. 2013
    ..Results from this study demonstrated the feasibility of a domain-based modeling approach for scaling reaction rates from batch to porous media systems where reactions may be significantly limited by transport...
  36. doi request reprint Effect of subgrid heterogeneity on scaling geochemical and biogeochemical reactions: a case of U(VI) desorption
    Chongxuan Liu
    Pacific Northwest National Laboratory, Richland, Washington, 99352 United States
    Environ Sci Technol 48:1745-52. 2014
    ..The results imply that subgrid heterogeneity is an important consideration in extrapolating reaction rates from the laboratory to field. ..
  37. ncbi request reprint Molecular dynamics simulations of uranyl and uranyl carbonate adsorption at aluminosilicate surfaces
    Sebastien Kerisit
    Physical Sciences Division, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
    Environ Sci Technol 48:3899-907. 2014
    ....
  38. doi request reprint Structure, kinetics, and thermodynamics of the aqueous uranyl(VI) cation
    Sebastien Kerisit
    Physical Sciences Division, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
    J Phys Chem A 117:6421-32. 2013
    ..The improved potential model is expected to lead to more accurate predictions of uranyl adsorption energies at mineral surfaces using potential-based molecular dynamics simulations...
  39. ncbi request reprint Back diffusion of chlorinated solvent contaminants from a natural aquitard to a remediated aquifer under well-controlled field conditions: predictions and measurements
    Chongxuan Liu
    Pacific Northwest National Lab, Richland, WA 99352, USA
    Ground Water 40:175-84. 2002
    ....
  40. ncbi request reprint Kinetic analysis of microbial reduction of Fe(III) in nontronite
    Deb P Jaisi
    Department of Geology, Miami University, Oxford, Ohio 45056, USA
    Environ Sci Technol 41:2437-44. 2007
    ....
  41. ncbi request reprint Influence of calcite and dissolved calcium on uranium(VI) sorption to a hanford subsurface sediment
    Wenming Dong
    Department of Geography and Environmental Engineering, Johns Hopkins University, 313 Ames Hall, 3400 North Charles Street, Baltimore, Maryland 21218, USA
    Environ Sci Technol 39:7949-55. 2005
    ..Finally, results also showed that U(VI) adsorption was additive in regard to size fraction but not in regard to mineral mass: Carbonate minerals may have blocked U(VI) access to surfaces of higher sorption affinity...