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.
Results
Showing 1 to 20 of 28 for “"Recycling (Waste"”.
-
Recycling waste concrete into road pavement aggregate
The use of recycled concrete aggregate (RCA) as a road pavement material in Australia is relatively recent and confined mainly to Victoria and New South Wales. Samples of RCA were taken at six, monthly intervals from a local producer of RCA. A range of tests was carried out to provide initial …
-
Waste paper recycling: A community technology approach
… be considered appropriate for reclamation and recycling activities, and to investigate the opportunities for reclaiming and recycling domestic wastes viably at a 'community' scale. A framework is first established to define a Community Technology approach, and then used to assess the …
-
Waste farm: a productive landscape for integrated waste management
… This calls for the city to re-imagine its waste management infrastructure. Meanwhile, within the urban areas of Cape Town, there exists a network and constellations of informal waste pickers working in conjunction with buy-back centres and recyclers to form an economically, environmentally …
-
Engineering properties of ring shaped polytheylene terephthalate (RPET) fiber self-compacting concrete
… pullout. RPET fibers are made directly from waste bottles. The diameter of RPET bottles is fixed at 60 ± 5 mm. The width of RPET fibers is fixed at 5, 7.5, or 10 mm and designated as RPET-5, RPET-7.5, and RPET-10 respectively. This study mainly determines the optimum water– binder ratio and …
-
Modalities of regulation In the informal economy: a study of waste collectors in Cape Town
… of people in South Africa earn their living from recycling waste on landfills or the streets in cities across the country. Much is written about those operating on landfills, although a few studies focus on those operating on the streets. The latter studies largely focus on the socio-economic …
-
Investigation of the closed loop processing systems developed for microalgal biofuels
… ability to use closed loop systems that recycle waste and water thereby decreasing the overall waste produced while increasing profitability is being investigated. The aim of this work was to investigate closed loop systems associated with the algal biofuel production, focusing on its effects on …
-
Practices of Waste Management in Iowa Public Schools
1 PDF file (71 leaves)
-
An investigation on using solid waste materials as aggregate substitute in cementitious concrete composites
1 PDF file (xvii, 241 pages)
-
Tourism business owners understanding of sustainable tourism development in uMhlathuze Municipality
… include: saving and conserving infrastructure, recycling waste, good maintenance of facilities, increase number of tourists, and protected environment. The majority of respondents indicated that sustainable tourism development benefits them in their businesses, through education, economy boost, …
-
Seismic characterization of recycled aggregate concrete
There are significant environmental benefits of recycling waste concrete and reusing it as aggregate for structural concrete, but the use of Recycled Aggregate Concrete (RAC) is yet limited to non-structural applications such as road sub-base. Widespread application of RAC in areas such as seismic …
-
Improving waste sorting behavior in a university environment with visual prompt stimulus
… well people at Reykjavík University were sorting waste under the current instructions and see if addition of prompt intervention would improve waste sorting. Participants in the study were students, staff and visitors at the university building during data collection. The experimental design used …
-
Hone sludge metal as an alternative partial substitute of sand in concrete
1 PDF file (88 pages)
-
Wasteways : regimes and resistance on the path to sustainable urban infrastructure
For many people, recycling is a habitual environmental action. In recent years, however, critics have shown that municipal recycling programs are not always environmentally beneficial. Municipal waste management programs are, nevertheless, a key lever through which cities can influence material …
-
Carbon Sequestration Through the Production of Precipitated Calcium Carbonate From Waste Concrete
… utilize several million tonnes of CO2 per year. Waste cement is a suitable source material for PCC production via mineral carbonation and can be recovered from waste concrete as a byproduct of aggregate recycling practices. The objective of this research was to investigate the possibility of …
-
A study of college student attitudes and behaviors related to recycling
1 PDF file (xii, 276 pages)
-
Assessing Outcomes of a Recycling Education and Service Program within an Elementary School
During the spring 2004 a pilot school recycling program was implemented within Robert E. Lee Elementary. The primary goal of the program was to determine how recycling education in the school would affect curbside recycling rates within the surrounding community. The program was a cooperative …
-
Semiconductor Nanomaterial Development For Photovoltaic And Thermoelectric Applications
… generators can increase energy use efficiency by recycling waste heat into electricity. This research seeks to gain a better understanding of the mechanism that influences the energy conversion process in photovoltaic and thermoelectric materials and meanwhile use nano-engineering approaches to …
-
Green supply chain management in the pharmaceutical sector: an investigation in the UK context
… levels of ocean pollution from plastic wastes, pesticides, drugs and other chemicals, scarcity of fresh drinking water, increased levels of tropical disease due to warmer weather, biodiversity loss leading to natural ecosystem disruptions, and many more. Whilst industrial manufacturing …
Page 1 of 2