Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 19 of 19 for “"human waste"”.
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Wet oxidation of human waste
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1982.
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Electrochemical Disinfection of Liquid Human Waste Using Potentiodynamic Methods and Controlled Electrode Surface Chemistry
… not have access to appropriate sanitation of human generated waste water. Lack of infrastructure and poverty in developing nations has stymied the deployment of conventional sewage treatment practices. In helping to solve this global issue requires the development of an energy efficient, …
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A smart diaper wetness detection sensor : concept, design and ethical considerations
Human waste contained in diapers is a rich source of medical health based data. Embedding low-cost, wearable sensors in disposable diapers provides an opportunity for self-health monitoring and advancing preventative medicine. Diaper users include infants, elderly, disabled individuals, and …
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An assessment of hygiene knowledge and practices: A case study of Choto informal settlement in Katima Mulilo
… hygiene and in the surroundings; disposal of human waste; household refuse removal; personal hygiene, including hand washing, water source knowledge and knowledge of hygiene-related diseases. The researcher’s conclusion is that, although the people in the Choto informal settlement have some …
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The effect of alternative detergent builders on the nutrient removal activated sludge sewage treatment process
… sewage originates from two main sources, namely human waste {±60) and detergents {±40) (Heynike and Wiechers, 1986). There is an argument for a ban on phosphate in detergents to reduce the phosphate load on sewage treatment plants and thereby limit phosphate discharges via treated municipal …
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Household adoption of ecological sanitation : an assessment of agricultural value and user perspectives in Nyanza Province, Kenya
… to a range of sanitation technologies in which human excreta is recovered and retained on-site, and eventually reused. However, when a culture does not have a tradition of reusing or handling human waste, what would motivate a household within that culture to recycle and reuse their waste? More …
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Decentralized Sanitation Systems for Densely Populated Regions: Design, Prototyping, and Systems Value Analysis
… Water Association estimates that 80% of all wastewater gets discharged into waterways. Untreated wastewater affects the community as easily as water flows. Toilets with septic tanks and latrines are the primary repositories for human waste today. However, the essential subsequent task of …
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Evaluation of Seven Septic Systems on Representative Soil Settings in Greene County, Missouri
… septic systems are essential in order to remove human waste before it can contaminate water supplies. Common types of septic systems currently used in Greene County, Missouri, include low-pressure pipe, conventional-shallow placement and conventional septic systems. The type of soil is crucial in …
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The inactivation of Coxsackievirus B5 with monochloramine for safe global water
… pathogen found worldwide, causes a range of human illnesses including diarrheal diseases and myocarditis. Inactivation of water-borne pathogens has been achieved using disinfectants such as hypochlorous acid or free chlorine. However, Coxsackievirus serotype B5 has demonstrated unique …
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Investigation of Groundwater Quality in Unincorporated Greene County, Missouri
… residential dwellings utilizing septic tank waste disposal systems. The results of this project indicate that the status of groundwater quality in the study area is generally favorable. Problem areas were identified however, based upon the bacteriological contamination of water wells and the …
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Sir Joseph Bazalgette and the main drainage of London
… systems for disposing of surface water and waste, from mediaeval times, and the reasons for the sudden deterioration in the condition of the Thames in the early nineteenth century. It considers the political and organisational problems which attended early reformers in their attempts to …
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A technological, economic and social exploration of phosphate recovery from centralised sewage treatment in a transitioning economy context
… ensuring universal food security. In the past, waste water treatment works (WWTW) typically installed effluent polishing technologies to eliminate phosphate and lower concentrations of both nitrogen and phosphate to below regulatory levels. More recently, there has been a global shift towards …
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Waste Less District: An Exploration of Architecture's Role in the Waste Stream
… It is well documented that the majority of human waste ends up in on the side of roads, or in forests and oceans if not in landfills or incinerated. The disposability of items in our consumer culture is now commonplace. We are exacerbating our problems by throwing away single-use and …
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Assessment of the fate of Cryptosporidium parvum, Giardia lamblia and Ascaris lumbricoides in class A composting and class B lime stabilization biosolids treatment processes
… the United States and as a result, no longer can human waste be dumped into oceans or rivers. Means of disposal of biosolids are focused on land application today. The practice of land application takes into consideration the classification of the biosolids material and management practices to …
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Bayesian Methods to Characterize Uncertainty in Predictive Modeling of the Effect of Urbanization on Aquatic Ecosystems
… Urban development introduces contaminants (human waste, pesticides, industrial chemicals). Impervious surfaces and artificial drainage systems speed the delivery of contaminants to streams, while bypassing soil filtration and local riparian processes that can mitigate the impacts of these …
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Effects of siting boreholes and septic tanks on groundwater quality in Saint Bonaventure Township of Lusaka District
… the Township used septic tanks and boreholes for human waste treatment and drinking water supply respectively. The study population, therefore, included all the 490 households in the study site. A sample size of 55 households was found at 95% confidence level using EPI INFO version 7 at expected …
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The Impact of Implementing the D-Washe programmes in Chanyanya Community-Kafue District, Zambia: What role has the National Water Policy(1994)played
… latrines for safe and hygienically disposal of human waste is not a felt need by the rural population. Results also show that all samples collected had Coliforms and Feacal Coliforms that contained some presence of bacteria which was not healthy for human consumption if the levels exceeded the …
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Effects of siting boreholes and septic tanks on groundwater quality in Saint Bonaventure Township of Lusaka District
… the Township used septic tanks and boreholes for human waste treatment and drinking water supply respectively. The study population, therefore, included all the 490 households in the study site. A sample size of 55 households was found at 95% confidence level using EPI INFO version 7 at expected …
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Moderately-rapid assessment of alkaline desiccation environmental systems
… was determined to be the limiting factor in some waste samples, resulting in the need to dilute the waste with local soils. Designs were developed to reduce the unnecessarily long detention times between 0.75 to 4.4 years and improve other features, especially additive use and waste handling. …