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Molecular modeling study of sulfate and phosphate adsorption at the mineral-water interfacePaul, Kristian W. January 2009 (has links)
Thesis (Ph.D.)--University of Delaware, 2007. / Principal faculty advisor: Donald L. Sparks, Dept. of Plant & Soil Sciences. Includes bibliographical references.
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West Virginia coal fly ash sorption of BTEXWentz, Jerome C. January 2004 (has links)
Thesis (M.S.)--West Virginia University, 2004. / Title from document title page. Document formatted into pages; contains vi, 93 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 47-52).
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The effects of soil organic matter heterogeneity on equilibrium sorption by soils and sediments /Xiao, Baohua. January 2004 (has links)
Thesis (Ph. D.)--Drexel University, 2004. / Includes abstract and vita. Includes bibliographical references (leaves 161-172).
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On the effect of soil oxidation-reduction potential and organic waste strength on the rate of clogging of a sandy soilFriess, Philip L. January 1980 (has links)
Thesis (M.S.)--University of Wisconsin--Madison. / Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 64-72).
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Instrumented permeable blankets for estimating subsurface hydraulic conductivity and confirming numerical models used for subsurface liquid injectionMukherjee, Moumita. January 2008 (has links)
Thesis (PH. D.)--Michigan State University. Civil Engineering, 2008. / Title from PDF t.p. (viewed on Sept. 2, 2009) Includes bibliographical references (p. 267-278). Also issued in print.
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Factors influencing natural attenuation of dinitrotoluenes in surface soils : badger army ammunition plants : a case studyTulsiani, Urvi Kotak. January 2005 (has links)
Thesis (M. S.)--Civil and Environmental Engineering, Georgia Institute of Technology, 2006. / Dr. Kurt Pennell, Committee Member; Dr. Jim Spain, Committee Member; Dr. Joseph Hughes, Committee Chair
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A phosphate sorption and desorption study on an acid sandy clay soilDe Jager, P.C. (Pieter Christiaan) 25 October 2007 (has links)
Please read the abstract in the section 00front of this document / Dissertation (MSc (Soil Science))--University of Pretoria, 2007. / Plant Production and Soil Science / MSc / unrestricted
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Environmental dynamics of Benomyl and ThiabendazoleBalasubrahmanyam, Sunil K. 18 December 2013 (has links)
The comprehensive environmental dynamics of the heterocyclic Benzimidazole fungicides, Benomyl and Thiabendazole was investigated. This included examining their fate and distribution in the terrestrial and aquatic phases of a laboratory microcosm comprised of silty clay loam soil and plants. The soil component constituted a major relocation site, with approximately 45 and 75% of initial Benomyl (recovered as MBC) and Thiabendazole concentrations being recovered from the soil component of the microcosm, respectively, while 53 and 27% translocated into corn plants. The adsorption mechanism/s of these fungicides onto soil components were investigated using silty clay loam, silty loam and sandy soils as well as Ca-bentonite. These studies indicated that both fungicides were adsorbed to the highest degree on silty clay loam, followed by silty loam and sandy soils. Their adsorption on Ca-bentonite was found to be a function of the pH of the suspension, suggesting that in the presence of increasing ll *activity on the clay surfaces, Benomyl and Thiabendazole become protonated to form positively charged molecules. These may then react with the clay surfaces forming Fungicide-clay complexes. The effect of different CaCl, concentrations on the adsorption process demonstrated that an increase in the salt concentration, at a constant pH resulted in a decrease in the amounts of adsorbed fungicide. The transport of the fungicides (adsorbed onto soil particles) as a consequence of scdiment runoff into aquatic systems was also estimated. Results of the simulation of overland sediment runoff from sections of the Chowan river basin into the Meherrin river following a rainstorm, indicate that significant quantities of Benomyl and Thiabendazole could be transported into aquatic systems. Adsorption studies also indicated that the adsorption process is reversible. Thus, any significant increases in the pH of receiving bodies of water could result in the release of Benomyl and Thiabendazole from sediment causing a contamination of the aquatic system. / Master of Science
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Ortho- and pyrophosphate sorption effects on zinc transformations in three Quebec soilsXie, Rongjing January 1988 (has links)
No description available.
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The effect of fabric and initial moisture content on infiltration in Ste-Rosalie clay.Gumbs, Frank Alexander. January 1969 (has links)
No description available.
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