Index Catalog // ScholarsArchive@OSU

Factors affecting the adsorption of heavy metals by activated sludge bacteria

Creator:: Conlin, Mary F.
Resource Type:: Masters Thesis
Full Text:: to my major professor, Dr. Peter 0. Nelson for his guidance, moral support and patience, without

Adsorption of hexavalent and trivalent chromium to a clayey silt soil : batch kinetic and equilibrium studies

Creator:: Bean, Gregory R.
Abstract:: Chromium, an element of widespread use, is toxic in some forms. Improper disposal of waste chromium products has resulted in contamination of many sites throughout the United States, including the United Chrome Products Superfund site in Corvallis, Oregon. A better understanding of chromium chemistry is needed to facilitate the remediation...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: Redacted for Privacy Peter 0. Nelson Chromium, an element of widespread use, is toxic

Chromium (VI) sorption in soils : chemical behavior and solute transport modeling

Creator:: Schroth, Martin Herbert
Abstract:: Chromium spills on soils are causing severe groundwater contamination problems. To increase the performance of cleanup methods, the chemical behavior of chromium in soils and its transport through soils have to be understood. The objectives of this research were to investigate the sorption characteristics of chromium(VI) in soil and to...
Resource Type:: Masters Thesis
Full Text:: : Chemical Behavior and Solute Transport Modeling Abstract approved: Redacted for Privacy Peter 0. Nelson

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:: by: Bruce L. Ball ACKNOWLEDGEMENTS I would like to acknowledge Dr. Peter 0. Nelson, my major

Laboratory study of chromium sorption and desorption in undisturbed soil

Creator:: Müller, Heike K.
Resource Type:: Masters Thesis
Full Text:: Undisturbed Soil Abstract approved:, Redacted for Privacy Peter 0. Nelson The mobility of hexavalent

Oregon coastal lake study : phosphorus loading and water quality implications

Creator:: Blair, Michael Stuart
Abstract:: A study of phosphorus loading and water quality implications was conducted for the Oregon coastal lakes. The study was based on existing data for lake total phosphorus concentrations and for watershed land uses. A phosphorus mass-balance model was developed to predict lake total phosphorus concentrations from estimated phosphorus loading from...
Resource Type:: Masters Thesis
Full Text:: , 1993 Typed by Michael S. Blair ACKNOWLEDGEMENTS Professor Peter 0. Nelson, Department of Civil

Preparation and laboratory evaluation of stationary-phase iron-oxide-based adsorbents for removal of metals from waste waters

Creator:: May, Michael Lee
Abstract:: Several potential sorbent materials containing iron oxides were prepared and evaluated for potential to remove divalent metals from waste waters. These included a ferrihydrite-coated sand, maghemite incorporated in Dowex[Trademark] ion exchange resin, gothite and two thermally activated ferrihydrites. Attempts to prepare sorbents from steel shot by coating with ferrihydrite or...
Resource Type:: Masters Thesis
Full Text:: of Metals from Waste Waters Abstract approved: Peter 0 Nelson Several potential sorbent

Sewer system rehabilitation and the effectiveness of chemical grouting

Creator:: Whitaker, Todd B.
Abstract:: The City of Salem, Oregon has an active sewer main chemical grouting program for the control of groundwater infiltration into the sewer collection system. The effectiveness of this chemical grouting program is evaluated by a comparison to other effective chemical grouting programs for control of inflow/infiltration (I/I). The importance of...
Resource Type:: Masters Thesis

Design of a heat exchanger network to challenge controller design methods

Creator:: Pashak, Jeffrey J.
Abstract:: A simple heat exchanger network has been studied as an example of a dynamically interactive process. The process is relatively simple, requiring only temperature measurements and flow rate manipulations. Equations are presented for the design of a physical process having a specified steady-state Relative Gain Array and specified dynamic characteristics....
Resource Type:: Masters Thesis
Full Text:: to thank Dr. Gregory Rorrer for sitting on my defense committee at the last minute, Dr. Peter Nelson

ScholarsArchive@OSU

Factors affecting the adsorption of heavy metals by activated sludge bacteria

Adsorption of hexavalent and trivalent chromium to a clayey silt soil : batch kinetic and equilibrium studies

Chromium (VI) sorption in soils : chemical behavior and solute transport modeling

Soil column desorption studies on a chromium contaminated soil

Laboratory study of chromium sorption and desorption in undisturbed soil

Oregon coastal lake study : phosphorus loading and water quality implications

Preparation and laboratory evaluation of stationary-phase iron-oxide-based adsorbents for removal of metals from waste waters

Sewer system rehabilitation and the effectiveness of chemical grouting

Design of a heat exchanger network to challenge controller design methods

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