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Creator:: Runes, Heather B.
Abstract:: Due to its frequent use in agriculture and its frequent detection in surface water, atrazine was chosen as a model compound to study the treatment capability of a surface flow wetland used to remediate irrigation runoff at a container nursery near Portland, Oregon. Further evaluation of treatment of atrazine was...
Resource Type:: Dissertation
Full Text:: agriculture and its frequent detection in surface water, atrazine was chosen as a model compound to study the

Creator:: Gregory, Christopher T.
Abstract:: The City of Woodburn, Oregon's Wastewater Treatment Plant (WWTP) has been investigating several natural alternatives for improving effluent quality. Based on its current National Pollution Discharge Elimination System (NPDES) permit, the WWTP will require additional reduction of temperature and ammonia levels in the summer, especially in the critical month of...
Resource Type:: Masters Thesis
Full Text:: Christopher T. Gregory for the degree of Master of Science in Water Resources Engineering presented on

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

Creator:: Savant, Vivek
Abstract:: Chitosan has been proposed as a "natural" coagulating agent to solve wastewater problems. The main hindrance in this commercial chitosan application has been its low cost effectiveness. The hypothesis in our research is that chitosan complexes with natural polyanions is more effective than chitosan alone, particularly in recovering low concentration...
Resource Type:: Dissertation
Full Text:: recovery and water use reduction 17 ffl. MICROSCOPY AND SPECTRAL ANALYSIS OF CHITOSAN

Creator:: Rainey, Rochelle C.
Abstract:: The study examined pH, turbidity, and fecal contamination of drinking water from household water storage containers, wells and taps, and the Godawari River, and tested the effectiveness of solar disinfection (SODIS) in reducing levels of fecal contamination from household containers. Second, the study investigated the relationship between use of SODIS...
Resource Type:: Dissertation
Full Text:: of Drinking Water: Effectiveness in Pen-Urban Households in Siddhipur Village. Kathmandu Valley

Creator:: Rooklidge, Stephen J.
Abstract:: The fate of antimicrobials entering the aquatic environment is an increasing concern for researchers and regulators, and recent research has focused on antimicrobial contamination from point sources, such as wastewater treatment facility outfalls. The terraccumulation of antimicrobials and mobility in diffuse pollution pathways should not be overlooked as a contributor...
Resource Type:: Dissertation
Full Text:: Contaminant Removal by Multi-Stage Drinking Water Filtration Abstract James A. Moore The fate of

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