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 20 of 50 for “"Solid wastes"”.
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Cement-based solidification of ferro-alloy solid wastes
… this work due to high levels being found in the wastes and the different mechanisms by which they have been found to interact with cement. Preliminary experiments identified conditions which were conducive to the effective setting of the monolith. Three operational variables were chosen as having …
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Composition and diagenesis of oil shale industrial solid wastes
Tänane Eesti elektrienergia tootmine tugineb enam kui 90% osas põlevkivienergeetikal. Põlevkivi põletamisel ja/või keemilisel töötlemisel tekib suures koguses jääkprodukte – tuhka ja poolkoksi. Jäätmete taaskasutamine on olnud väga piiratud ja kindlasti ebapiisav. Seetõttu on valdav enamus tuhast …
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Study and control of phosphorus release from land used for solid wastes disposal to natural waters.
Dept. of Chemistry and Biochemistry. Paper copy at Leddy Library: Theses & Major Papers - Basement, West Bldg. / Call Number: Thesis1972 .W24. Source: Masters Abstracts International, Volume: 40-07, page: . Thesis (M.A.Sc.)--University of Windsor (Canada), 1972.
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Experimental improvement of flyash as a growth medium for plants through addition of selected solid wastes
Large quantities of coal are consumed in South Africa as a result of the generation of electricity and the manufacture of automotive fuel. A consequence of this was the production of more than 15 Mt of ash and associated coal combustion by-products in 1987 alone. This poses a large scale …
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Characterization, utilization and treatment of mechanized clam processing wastes
… the loading of organic material and suspended solids. Disposal of sludges and solid wastes also present problems to the industry. Three processing plants were studied to characterize the nature, sources and variations in waste generation and to evaluate potential solutions. Wastewater is …
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Living with the Zeekoevlei: an ethnography on historicizing relationships with/to plastic, wastewater and solid waste pollution
… thesis explores the complexities of plastic and solid waste pollution within and surrounding the Zeekoevlei, located in Cape Town, South Africa. This research focuses on waste pollution being a remnant of an unjust past that still manifests in the present and will seep into the future. The …
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Community participation in solid waste management at Guluka Kwalala street, Ukonga ward
… project was to design, implement and evaluate solid waste management around houses and streets at Guluka Kwalala. Such wastes would then be sold to interested companies for recycling. Analysis of this project was done using both quantitative and qualitative approaches. During the CNA different …
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Estudio de prefactibilidad para la instalación de una planta productora de bolsas biodegradables a partir de ácido poliláctico
… on land. Our country generates 6. 8 million tons solid wastes per year, of which 11% are plastics, among which are the bags that consume about 3 billion units per year. Due to this situation, the idea of implementing a biodegradable bag plant was born, from polylactic acid, a biopolymer that …
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ΜΕΛΕΤΗ ΧΑΡΑΚΤΗΡΙΣΜΟΥ ΤΩΝ ΣΤΕΡΕΩΝ ΒΙΟΜΗΧΑΝΙΚΩΝ ΑΠΟΒΛΗΤΩΝ ΠΕΡΙΟΧΗΣ ΘΕΣΣΑΛΟΝΙΚΗΣ ΚΑΙ ΚΑΤΕΡΓΑΣΙΑΣ ΑΥΤΩΝ ΓΙΑ ΑΣΦΑΛΗ ΔΙΑΘΕΣΗ ΣΤΟ ΠΕΡΙΒΑΛΛΟΝ
EIGHT SOLID WASTES, FROM THE INDUSTRIES, FROM THE AREA OF THESSALONIKI ARE EXAMINED, IN ORDER TO DETERMINE WHETHER THE WASTES PRODUCE POLLUTING LEACHATES WHENLANDFILLED OF THE WASTES WAS MANAGED BY APPLICATION OF THE US-EPA EXTRACTIVE PROCEDURE OF TOXICITY. ONE OF THE WASTES WAS CLASSIFIED AS …
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Biodegradation of leather solid waste
… is an issue of major importance for both solid and liquid wastes. It has been recognised that there are major environmental impacts from the poorly managed disposal of such wastes and these have a clear health impact upon human society. Within Europe, under EU driven legislation, the costs …
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Traditional revolution : formalizing the informal : a proposal for the "periphery urbanite" Lagos, Abuja & Port-Harcourt
… problem of collection and disposal of solid wastes in Nigeria.
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Analysis of key requirements for effective implementation of biogas technology for municipal solid waste management in sub-Saharan Africa: a case study of Kigali City, Rwanda
Effective management of municipal solid wastes continues to be a major challenge in rapidly growing cities of developing countries. Inadequate waste disposal remains rampant thus posing a serious threat to the environment and public health. The use of biogas technology in the management of …
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Perfluorooctanoic Acid (PFOA) and Perfluorooctane Sulfonate (PFOS) in an Aquatic Ecosystem - Distribution and Fate
… environmental matrices such as water, liquid and solid wastes, sediments, biological tissues, were developed or optimised. Each method included a solid-phase extraction step for analytes’ preconcentration and removal of interfering matrix, followed by quantitative determination via high …
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Assessment of Community Participation in Solid Waste Management in Bagamoyo Town, Tanzania
Solid waste management is a primary cause for concern in most municipals in Tanzania as most municipals cannot collect and dispose-off all of the solid waste generated, the remaining are left causing health hazards, smell nuisance, increased pests and environmental problems. This study assessed …
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Characterisation, Treatment and Utilisation of the Effluent from an Intensive Fish Farm
… production were carbon dioxide and suspended solids. The oxygen consumption of the fish was also measured. Water treatment by lagooning did not produce a satisfactory effluent and the reasons for the failure of the lagooning system are are discussed. The effluent discharge consent standards …
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The effect of sewage sludge co-disposal and leachate recycling on refuse stabilization
In the past sanitary landfill sites for solid waste disposal were regarded simply as containment sites so that the waste contents were isolated from the population. Various degrees of effort were made to reduce the impact of the waste in and around the site - in some cases none in other cases …
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To Assess the Level of Heavy Metal Pollution in Groundwater in Ilala Dar es salaam
… industries, on-site sanitation systems, poor solid wastes management and fuel filling stations all of which have potential for groundwater pollution. A total of 54 water samples were collected from bore holes in Ilala district, Dar es Salaam region. The samples were collected in two seasons: …
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Development of an innovative and environmentally sustainable solid waste stream treatment process.
Oily sludges and oil contaminated solid wastes are generated from various sources such as from a) interceptors in petrol stations, automobile garages and rail service stations b) tank oil bottoms from crude oil storage tanks c) drill cuttings from oil and gas exploration and d) Oil based drilling …
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Fabrication and characterizations of recycled aluminium-copper-cullet powder (AL-CU-CP) metal composite
… This research is an attempt in removing solid wastes from the environment, promoting technological sustainability and also to support the zero�emission campaign for promoting green technology. The Al-Cu-CP metal composite was fabricated via stir casting method due to its simplicity and …
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Mineralogical Characterization of Uranium Ores, Blends and Resulting Leach Residues from Key Lake Pilot Plant, Saskatchewan, Canada
… and metalloids. As such, an understanding of the solids reservoirs for potential contaminants in uranium ore blends and leach residues (solid wastes generated by the milling of ore) is required to predict long-term controls on these contaminants in tailings porewaters. This study characterized the …
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