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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:: ability to remove some of the nitrogen (N) from sewage effluent as the solution moves through the soil

Creator:: Bushman, Jennifer L.
Abstract:: A total of 44 intermittent sand filter-septic systems, in five counties of Western Oregon, were sampled over a three-month period during the summer of 1995. The sand filter systems varied in age from 36 months up to 167 months (3 to 13.9 years). Liquid samples were taken from the septic...
Resource Type:: Masters Thesis
Full Text:: average removal of total nitrogen (TKN + nitrate) through the filter was found to be 43%. Nitrate was

Creator:: Adolf, Ronald L.
Abstract:: Ozone was found to quickly reduce the concentration of lead in a prepared solution when the solution pH of said solution was greater than 7.0. When a solution having a pH of greater than 7.0 was filtered the concentration of lead was less than approximately 1.0 ppm. 1.0 ppm is...
Resource Type:: Masters Thesis
Full Text:: conclusions drawn from my research, the people from Water Purification Technologies for generously supplying

Creator:: Lesley, Dawn
Abstract:: This project explored the feasibility of using fungi in a constructed wetland for the treatment of pulp mill effluent. The effluent is high in dissolved lignins (some of which are chlorinated), which have proven very difficult to degrade biologically. Mindful of work done with the (terrestrial) white rot fungi, especially...
Resource Type:: Masters Thesis
Full Text:: the efficiency of color removal) treated in fixed-film reactors and reduce the volume run through

ScholarsArchive@OSU