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Empirical Models for Effectiveness of Single Pass Sand Filters for Wastewater Treatment
https://setll.osu.edu/node/158
Two empirical models for effectiveness of single pass sand filters for wastewater treatment were developed. Sand size and depth were found to be the two most important factors when it comes to the performance of the sand filters. ...
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Intermittent Sand Filtration for Domestic Wastewater Treatment: Effects of Filter Depth and Hydraulic Parameters
https://setll.osu.edu/node/159
The complex variables that affect the sand filter systems performance are not yet fully understood. An experiment was conducted to examine the effects of media depth, hydraulic conductivity, and infiltration rate on the performance of sand filter systems. ...
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Circuit Riding for Managing Small Community Sewage Systems
https://setll.osu.edu/node/161
Due to cost, many small communities have operators that manage wastewater systems inadequately, which can affect the systems performance. In Indiana County, PA, two operators rotate through eight plants. Although the systems get more attention, effluent r ...
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A Case Study of the Lake Panorama Management District
https://setll.osu.edu/node/162
An on-site wastewater management district was formed in Iowa in 1980. Quickly the committee started formulating rules and regulations. Failing systems were corrected. Using this district as an example can form other districts. ...
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Mentoring East Asian Women Scientists and Engineers
https://setll.osu.edu/node/164
It is important that senior faculty mentor new and probationary faculty to ensure sucess. This study looks specifically at East Asia women. These women have unique challenges that mentors must face. Results show that East Asia women prefer mentors that ar ...
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Culture of Water Pollution Control in Rural China
https://setll.osu.edu/node/165
For centuries, China recycled human and animal waste. Recently China started viewing manure as waste that must be managed and disposed of properly. This switch from viewing manure as a resource to to viewing it as waste has caused water pollution issues. ...
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Demonstrating Manure Spreader Calibration at Field Days
https://setll.osu.edu/node/166
Farmers were shown how to calibrate a manure spreader during a field day. Most of the participants estimated application rates either too high or too low. 50% of farmers surveyed estimated an application rate that was one-half of what was actually needed. ...
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Co-Teaching an Engineering Class with an Agricultural Technology Management Class on the Topic of Waste and Wastewater Treatment
https://setll.osu.edu/node/167
Engineering and non-engineering students are able to take a multidisciplinary course in engineering and technology managment. Working together on a team project, non-engineering students were in charge of the technology and operations portion while the en ...
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Environmental Literacy of Ohio Adults
https://setll.osu.edu/node/168
This study surveyed 504 Ohio adults on how well they understood how natural systems and human social systems interact. Results show that Ohio adults appear to undersand biogeography, earth as a biosphere, ecological energetics, and carrying capacity. Howe ...
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General Public Awareness of Sources of Radiation in Their Environment
https://setll.osu.edu/node/169
In 1992, 879 interviews were conducted to determine awareness and knowledge of sources of radiation. Nearly 50% of those surveyed have heard about disposal of low level radioactive waste. Knowledge of radiation from bricks, smoke detectors, and flying in ...