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Complex mechanism of chitosan and naturally occurring polyanions

Creator:: Mireles-DeWitt, Christina A.
Resource Type:: Masters Thesis
Full Text:: . INTRODUCTION 1 2. REVIEW OF LITERATURE 3 2.1 Production and Purification 3 2.2 Physical and Chemical

The effect of coagulation conditions on floc size distribution and morphology : implications for downstream treatment processes

Creator:: Maguire, Ian R.
Abstract:: Coagulation and flocculation are commonly used in drinking water treatment as a means of destabilizing and aggregating particles and promoting adsorption of dissolved organic carbon (DOC). In practice, jar tests are used to determine optimal conditions for the removal of turbidity and DOC. However, beyond the inferences that can be...
Resource Type:: Masters Thesis
Full Text:: Coagulation and flocculation are commonly used in drinking water treatment as a means of destabilizing and

The use of polymers for better settling in domestic waste treatment systems

Creator:: Houck, George Campbell
Abstract:: The author presents a "state of the art" of the use of polymers for better settling in domestic waste treatment and evaluates the published research in the field. Polymers have only recently been used to obtain better settling in domestic waste treatment. Due to the number of polymer types available...
Resource Type:: Masters Thesis
Full Text:: , sewage treatment plants were used for the investigations of coagulation-flocculation of raw sewage and

The wastewater treatment characteristics of a rotating flighted cylinder

Creator:: Hansen, Larry Bruce
Abstract:: The rotating flighted cylinder (RFC) was investigated as a potential wastewater treatment deVice. A RFC is a rigid tube with a helically-wound fin attached to the interior surface and operates by flowing wastewater through the tube as it rotates. An 8-inch and 24-inch diameter RFC was tested for solids-liquid separation,...
Resource Type:: Masters Thesis
Full Text:: marketed "package sewage treatment plants" which have served subdivisions, motels, restaurants, trailer

Effect of carbon adsorption on chlorine requirement of treated effluent

Creator:: Chang, Chʻing-lin
Resource Type:: Masters Thesis
Full Text:: years since the first plant scale application of sewage chlorination at Red Bank, N. J. Due to

Treatment of activated sludge process effluent by carbon adsorption

Creator:: Davis, Stewart Lee
Abstract:: An evaluation of the service time of an activated carbon adsorption column and the organic carbon removal efficiency treating activated sludge process effluent was completed at aerator detention times of three, five, and ten hours. Parameters used for evaluation of treatment were biochemical oxygen demand, chemical oxygen demand, total organic...
Resource Type:: Masters Thesis
Full Text:: treatment efficiency. All values recorded in percent. 28 4. Corvallis sewage treatment plant data. 31

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

Effects of Step-Wise Acclimation versus Shock Loading on the Performance of Anaerobic Co-Digestion of Fats, Oils, and Greases

Creator:: Berninghaus, Ashley E.
Abstract:: Anaerobic digestion is a microbially mediated process by which organic matter is decomposed in the absence of oxygen. The end products of anaerobic digestion include treated sludge and biogas, a mixture of methane and carbon dioxide, which can be recovered and used for energy generation. The majority of wastewater treatment...
Resource Type:: Masters Thesis
Full Text:: classes, domestic wastewater (sewage), industrial wastewater, and municipal wastewater (a mix of

Disinfection of settled and unsettled trickling filter effluent by chlorination

Creator:: Monroe, Darrell Wayne
Abstract:: The colicidal efficiency of chlorine in both settled and unsettled trickling filter effluent samples was determined by means of a series of tests in which each sample was analyzed, at given time intervals, for suspended solids, pH, residual chlorine (orthotolidine and iodometric) and coliform count. A dye-tracer study, using Rhodamine...
Resource Type:: Masters Thesis
Full Text:: CHLORINATION INTRODUCTION Plant scale chlorination of sewage was performed for the first time more than 60

Nitrogen recovery from simulated sand-filter effluent by grass

Creator:: Hall, Thomas David
Abstract:: The effluent from on-site sewage disposal systems has been found to be a source of nitrates (NO ₃⁻ ) in groundwater. Vegetation has the ability to remove some of the nitrogen (N) from sewage effluent as the solution moves through the soil around a disposal trench, before it reaches groundwater....
Resource Type:: Masters Thesis
Full Text:: Abstract approved: Redacted for privacy dor "°-"Dr.--Geja-ld F. Kling The effluent from on-site sewage

ScholarsArchive@OSU

Complex mechanism of chitosan and naturally occurring polyanions

The effect of coagulation conditions on floc size distribution and morphology : implications for downstream treatment processes

The use of polymers for better settling in domestic waste treatment systems

The wastewater treatment characteristics of a rotating flighted cylinder

Effect of carbon adsorption on chlorine requirement of treated effluent

Treatment of activated sludge process effluent by carbon adsorption

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

Effects of Step-Wise Acclimation versus Shock Loading on the Performance of Anaerobic Co-Digestion of Fats, Oils, and Greases

Disinfection of settled and unsettled trickling filter effluent by chlorination

Nitrogen recovery from simulated sand-filter effluent by grass

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