219 Chemistry of Metal(loids) and Trace Elements in Soils

This session will be volunteered presentations on chemistry of trace elements in soils. Topics will include soil chemistry of a wide range of metal(loids) including arsenic, selenium, molybdenum, boron, and antimony.

S02 Soil Chemistry
Tuesday, November 2, 2010: 8:10 AM-11:45 AM
Long Beach Convention Center, Room 202B, Second Floor
Presiding:
Sabine Goldberg
8:15 AM
Interactions of Arsenate and Arsenite with Nanoparticles of Zerovalent Iron Under Anaerobic Conditions.
Chunming Su, U.S. Environmental Protection Agency; Bridget Toews, East Central University; Arielle Burkett, East Central University
8:30 AM
Arsenic Immobilization From Iron Based Waste Water Treatment Residuals in Pilot-Scale Columns Simulating a Bioreactor Landfill.
Todd Luxton, US EPA; Gune silva, US EPA; Amro El Badwy, US EPA; Thabet Tolaymat, US EPA; Kirk Scheckel, US EPA
8:45 AM
Arsenate Desorption From Synthetic Goethite Promoted by Competitive Adsorbents.
Mauricio Fontes, Universidade Federal de Viõosa; Yoko Masue-Slowey, Stanford University; Scott Fendorf, Stanford University
9:00 AM
Fate of Arsenic In the Presence of Birnessite and Dissimilatory Metal Reducing Bacteria.
Samantha Ying, Stanford University; Benjamin Kocar, Stanford University; Yoko Masue-Slowey, Stanford University; Scott Fendorf, Stanford University
9:15 AM
Coupled Biotic and Abiotic Arsenite Oxidation Kinetics with Heterotrophic Soil Bacteria and a Poorly Crystalline Manganese Oxide.
L. Camille Jones, University of Delaware; Brandon Lafferty, University of Delaware; Donald Sparks, University of Delaware
9:30 AM
What Governs the Rate of Arsenic Release From Mekong River Delta Sediments?.
Jason Stuckey, Stanford University; Benjamin Kocar, Stanford University; Scott Fendorf, Stanford University
10:00 AM
10:15 AM
The Adsorption of Antimony(V) by Gibbsite.
Michael Essington, University of Tennessee; Melanie Stewart, University of Tennessee
10:30 AM
Speciation of Selenium and Other Heavy Metals Using X-Ray Absorption Spectroscopy in Coal Fly Ash at the Kingston Fossil Plant Site.
Jennifer Seiter, Environmental Laboratory, U.S. Army Corps of Engineers; Mark Chappell, Environmental Laboratory, U.S. Army Corps of Engineers; Anthony Bednar, Environmental Laboratory, U.S. Army Corps of Engineers; Jacob Stanley, Environmental Laboratory, U.S. Army Corps of Engineers; Alan Kennedy, Environmental Laboratory, U.S. Army Corps of Engineers; Daniel Averett, Environmental Laboratory, U.S. Army Corps of Engineers; Jeffery Steevens, Environmental Laboratory, U.S. Army Corps of Engineers
10:45 AM
Oxidation of W-Pellets and Tungstate Adsorption by Soils.
Myles Davis, University of California-Riverside; Christopher Amrhein, University of California-Riverside
11:00 AM
Variation in Biogeochemical Processes Controlling Uranium and Chromium Induced by Soil Physical Complexity.
Benjamin Kocar, Stanford University; Michael S. Massey, Stanford University; Peter Nico, Lawrence Berkeley National Laboratory; Chongxuan Liu, Pacific Northwest National Laboratory; Scott Fendorf, Stanford University
11:15 AM
Modeling of Trace Element Partitioning in Soil: Validation and Comparison of Predictive Power Between a Mechanistic Multisurface and An Empirical Regression Based Modeling Approach.
Jan Groenenberg, Soil Science Centre, Alterra, Wageningen University and Research Centre; Joris J Dijkstra, Energy research Centre of the Netherlands; Luc T.C. Bonten, Soil Science Centre, Alterra, Wageningen University and Research Centre; Wim de Vries, Soil Science Centre, Alterra, Wageningen University and Research Centre; Rob N.J. Comans, Energy research Centre of the Netherlands
11:30 AM
Nickel (Ni) Transport in Soils: Competitive Effect of Cadmium (Cd).
Lixia Liao, Louisiana State University Agcenter; H. Magdi Selim, Louisiana State University Agcenter
11:45 AM