Faria, Bruna Fernanda de (2012) The influence of the solid waste disposal areas in campinas city, São Paulo state (Brazil) on water quality. PhD thesis, Universidade Estadual de Campinas, Brazil.
Abstract
The great waste generation due to the accelerated population growth, urbanization and industrial developments and changes in consumer habits behind as a result many impacts to the environment and people's health if not properly managed and designed. Among the many forms of waste disposal, landfills today are best suited to Brazilian conditions, this because their construction allows minimizing the negative effects of landfill gas and slurry produced. However, the confinement of pollutants from landfills is linked to its construction and operation and when the construction and/or is wrong they can endanger air, groundwater and surface waters qualities. Thus, the main objective of this study was to analyze the concentration of heavy metals in samples of groundwater, surface water and slurry coming from solid waste disposal locations in the city of Campinas, SP - Delta, Santa Barbara and Pirelli Landfills. The samples were analyzed at the Brazilian Synchrotron Light Laboratory using Synchrotron Radiation Total Reflection X-Ray Fluorescence technique (SR-TXRF), which is a multi-element and non-destructive methodology. To quantify the total concentration of metal the surface water samples were submitted to an extraction acid procedure based on EPA 200.8 method and for the determination of dissolved contents of metals the samples were only filtered. The same procedure was applied to slurry for the determination of total concentrations, however, to quantify the dissolved contents the extraction procedure used was EPA 3050B method. In Pirelli Landfill, the highest concentrations were observed in one of the wells located to downstream of the Landfill (in relation to the groundwater flux) - the monitoring well PM04, exceeding the intervention value defined by CETESB. For Santa Barbara landfill in one upstream monitoring well the concentrations of Ni, Mn, Pb and Cr, surpassed the maximum permissive values. The manganese in Landfill Delta showed to be higher in wells located downstream and 50% of the wells analyzed exceeded the maximum permissive value for groundwater samples. In the case of surface waters located in the vicinity of landfill sites, the metals that surpassed the maximum permissive values according the legislation in most of the points analyzed were Mn, Cu and Pb. For slurry samples collected in Delta Landfill, the average concentrations for Mn, Ni, Cu and Pb not exceeded the maximum permissive values during the period studied. Moreover for Santa Barbara the average concentration of Mn, Cu and Zn surpassed the permissive limits, as was observed for Mn in the Pirelli Landfill
| Item Type: | Thesis (Doctoral) |
|---|---|
| Uncontrolled Keywords: | heavy metal; landfill; synchrotron radiation; water underground; x-ray fluorescence |
| Index terms: | waste disposal, pollutant, landfill, population, methodology, Brazil, groundwater, consumer habit, surface water, legislation, laboratory, metal, monitoring, reflection, water quality, waste generation, industrial development, urbanization |
| Subjects: | control systems, environmental engineering, environmental health, traditional and composite building materials, professional development, water management, urban planning, legal systems, construction type, consumer economics, waste management, environmental impact, research management, demography, occupational health, research methods, Geography |
| Topics: | Legal Issues, Sustainability, Health and Safety, Geographical Context, Site Management, Urban Studies, Stakeholder Management, Governance, Construction Technology, Information Management, Construction Materials, Research Practice |
| Descriptive scope: | 3 PCT |
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