Index Catalog // ScholarsArchive@OSU

Determination of soil sensitivity ratings for the Oregon Water Quality Decision Aid (OWQDA)

Creator:: Huddleston, J. H. (James Herbert), 1942-, Mendez, W. R., Brett, M., Kerle, Elizabeth A., Vogue, Peggy A., and Oregon State University. Extension Service
Abstract:: Declared out of print March 2010. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: specific Oregon soil, will move through the soil and contaminate groundwater. The OWQDA develops separate

A kinetic approach for the determination of sorption rate constants using a column-type reactor

Creator:: Patrier, Lionel
Abstract:: A Langmuir sorption model incorporating a second step of irreversible absorption was applied to a model soil system. The column was packed with cellulose triacetate; pulse and step input tests with 3,4-dichlorophenol were performed; the effluent concentration was measured by electron capture detector gas chromatography and sorption rate constants were...
Resource Type:: Masters Thesis
Full Text:: of reactions including ion exchange, physical adsorption, chemisorption and absorption occurring at

Atrazine, terbutryn and GS-14254 adsorption, desorption and solubility in salt solutions and movement in soil materials

Creator:: Gaynor, John Donald
Resource Type:: Dissertation
Full Text:: SOIL SCIENCE presented on (Major) Title: ATRAZINE, TERBUTRYN AND GS-14254 ADSORPTION, DESORPTION AND

Diffusion and surface reaction processes of absorption on surfaces of soil particles in unsaturated soils

Creator:: Yingjajaval, Suntaree
Abstract:: At present the adsorption kinetic of ions by soil particles is considered to be a surface reaction. When the transport of solutes in soils is described using the one-dimensional flow equation, it becomes a serious problem that lateral diffusion of ions from the bulk solution towards the soil surfaces is...
Resource Type:: Dissertation
Full Text:: procedure for measurement of adsorption isotherms was proposed and tested. The new procedure employs a soil

Infiltration under a rainfall simulator

Creator:: Will, Gregory Leonard
Abstract:: A large rainfall simulator was used to study infiltration on six soil plots. Water content and capillary pressure were measured during steady rainfall at rates less than required to produce runoff. The equipment and procedures used to make these measurements are discussed. Water content and capillary pressure data obtained as...
Resource Type:: Masters Thesis

Adsorption of Cu(II) and Cd(II) by Na-montmorillonite at low surface coverage in the presence and absence of water soluble complexing organic ligands

Creator:: Inskeep, William Parks
Abstract:: The formation of solution and solid complexes with heavy metals will partially determine their mobility and plant availability in soil systems. Experiments were initiated to determine the effect of pH, adsorbent and initial metal concentrations, and the presence of water soluble ligands on the adsorption of Cd and Cu by...
Resource Type:: Masters Thesis
Full Text:: ), Chicago sludge (CSE), and an agricultural peat soil (PE). 47 Appendix B 71 ADSORPTION OF Cu(II) AND Cd

Fluoride sorption and dissolution reactions in soils

Creator:: Peek, Daniel C.
Abstract:: The reaction of F, often a component of industrial wastes and phosphatic fertilizers, with soil was studied with regard to sorption reactions and resultant changes in solution composition. Sodium fluoride solutions (0.0 to 2.5 mmol/L F) were equilibrated with ten soils for 24h. The soil extract solutions were analyzed for...
Resource Type:: Masters Thesis
Full Text:: determined by atomic absorption after extraction from soil with 0.2 mol/L ammonium oxalate (pH 3.5), and

Experimental evaluation and chemical modeling of hexavalent chromium adsorption, desorption, and reduction in a natural soil

Creator:: Azizian, Mohammed F.
Abstract:: Chromium and its compounds are widely used by modern industries, resulting in large quantities of this element being discharged into the environment. To remove chromium from contaminated soils and ground water, it is necessary to predict chemical and physical processes that control the rate of reactions and transport of chromium...
Resource Type:: Dissertation

Soil column desorption studies on a chromium contaminated soil

Creator:: Ball, Bruce L.
Abstract:: Soil column studies were performed on a chromium contaminated soil from the United Chrome Products Superfund Site currently undergoing a pump-and-treat cleanup process. The goal of the research was to provide insight into the feasibility of chemically changing the injection fluid of the pump-and-treat system to enhance hexavalent chromium (Cr(VI))...
Resource Type:: Masters Thesis
Full Text:: rapidly as soil pH increased. 5 Griffin et al. (1977) found Cr(VI) adsorption by kaolinite and

Laboratory study of chromium sorption and desorption in undisturbed soil

Creator:: Müller, Heike K.
Resource Type:: Masters Thesis
Full Text:: ) and subsequent removal, besides Cr(VI) adsorption, was a major process in soil suspensions. The

ScholarsArchive@OSU

Determination of soil sensitivity ratings for the Oregon Water Quality Decision Aid (OWQDA)

A kinetic approach for the determination of sorption rate constants using a column-type reactor

Atrazine, terbutryn and GS-14254 adsorption, desorption and solubility in salt solutions and movement in soil materials

Diffusion and surface reaction processes of absorption on surfaces of soil particles in unsaturated soils

Infiltration under a rainfall simulator

Adsorption of Cu(II) and Cd(II) by Na-montmorillonite at low surface coverage in the presence and absence of water soluble complexing organic ligands

Fluoride sorption and dissolution reactions in soils

Experimental evaluation and chemical modeling of hexavalent chromium adsorption, desorption, and reduction in a natural soil

Soil column desorption studies on a chromium contaminated soil

Laboratory study of chromium sorption and desorption in undisturbed soil

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