Index Catalog // ScholarsArchive@OSU

Determination of irrigation frequencies and amounts by soil moisture sampling and gypsum electrical resistance blocks

Creator:: Abd El-Samie, Ahmed Gamal
Resource Type:: Dissertation
Full Text:: Determination of irrigation frequencies and amounts by

Sorption by detached organic films and its relation to filiform corrosion

Creator:: Kennedy, George Hunt
Abstract:: The rate of interaction of carbon dioxide with eight detached organic films commonly used as coatings for metal surfaces was examined. The films studied were lacquers of several different formulations including oleoresinous, phenolic, vinyl, alkyd, epoxy, and hydrocarbon types. The sorption was measured on a McBain type gravimetric adsorption balance...
Resource Type:: Dissertation
Full Text:: from which was determined the number of active sites for water vapor adsorption and the parameters in

Pool absorption of gas entrained by a plunging liquid jet

Creator:: Hauxwell, Gerald Dean
Abstract:: A mathematical model was developed to predict the absorption rate of a slightly soluble gas entrained by a plunging liquid jet. The single parameter of the model, the transfer factor, TF, was defined as the summation of the product of the mass transfer coefficient and interfacial area over all the...
Resource Type:: Dissertation
Full Text:: Procedure for Phase II 41 Phase III--Absorption Studies 42 Procedure for Phase III 48 ANALYSIS AND

Theoretical and experimental evaluation of transfer of 2, 4-dichlorophenoxyacetic acid in porous media

Creator:: Saxena, Subodh Kumar, 1942-
Abstract:: Experiments were conducted to study the effect of pore size distribution on the diffusion of 2, 4-Dichlorophenoxyacetic acid (carbon- 14) through water saturated porous media. Eight size fractions of glass beads were used representing the porous media. It was found that as the average particle radius, and hence pore radius,...
Resource Type:: Dissertation
Full Text:: proposed dispersion models may be used to predict the effects of pore size distribution and adsorption on

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:: adsorption by soil organic matter, aluminum and iron oxides, and amorphous components was investigated with

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:: Diffusion and surface reaction processes of absorption on

Magnesium in hemipelagic environments : surface reactions in the sediment-pore water system

Creator:: von Breymann, Marta T.
Resource Type:: Dissertation
Full Text:: chemical reactions of magnesium in seawater: notably, adsorption and ion-exchange equilibria. This new

Gas absorption in a countercurrent packed tower : (1) Absorption with simultaneous chemical reaction (2) absorption into varying viscous solutions

Creator:: Cho, Jong Soo
Abstract:: The surface renewal rate from Danckwerts' theory and the effective interfacial area between gas and liquid per unit packing volume in a packed absorption tower were evaluated for the absorption of carbon dioxide into carbonate/bicarbonate buffer solution accompanied by a pseudo-first order chemical reaction. The rate of chemical reaction in...
Resource Type:: Dissertation

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

Absorption of chlorophenols on granular activated carbon

Creator:: Yang, Maoyu
Abstract:: Studies were undertaken of the adsorption of chlorinated phenols from aqueous solution on granular activated carbon (Filtrasorb-400, 30x40 mesh). Single-component equilibrium adsorption data on the eight compounds in two concentration ranges at pH 7.0 fit the Langmuir equation better than the Freundlich equation. The adsorptive capacities at pH 7.0 increase...
Resource Type:: Dissertation

ScholarsArchive@OSU

Determination of irrigation frequencies and amounts by soil moisture sampling and gypsum electrical resistance blocks

Sorption by detached organic films and its relation to filiform corrosion

Pool absorption of gas entrained by a plunging liquid jet

Theoretical and experimental evaluation of transfer of 2, 4-dichlorophenoxyacetic acid in porous media

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

Magnesium in hemipelagic environments : surface reactions in the sediment-pore water system

Gas absorption in a countercurrent packed tower : (1) Absorption with simultaneous chemical reaction (2) absorption into varying viscous solutions

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

Absorption of chlorophenols on granular activated carbon

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