Essays about: "geochemical modelling"
Showing result 1 - 5 of 13 essays containing the words geochemical modelling.
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1. Spatial analysis of arsenic and fluoride mobilization in groundwater around Mount Meru, northern Tanzania
University essay from KTH/Hållbar utveckling, miljövetenskap och teknikAbstract : In Tanzania, approximately 76% of the drinking water supplies is dependent on groundwater sources. However, the groundwater in north Tanzania is susceptible to contamination by arsenic and fluoride. This study examines the spatial analysis of arsenic and fluoride mobilization in groundwater around Mount Meru, located in northern Tanzania. READ MORE
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2. Solubility of arsenic in untreated and ZVI-treated contaminated aquifer material
University essay from SLU/Dept. of Soil and EnvironmentAbstract : Arsenic (As) is a toxic element to all life and exists in nature both naturally and anthropogenically. Naturally As contaminated soils are formed due to high geogenic background As concentrations which is released when bedrock is eroded. Asia is a continent with a high amount of naturally As contaminated soils and groundwater. READ MORE
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3. Petrography and Thermodynamic Modelling of Svecofennian Arsenic-bearing Metasupracrustal Rocks in the Arlanda Area, West-Central Fennoscandian Shield
University essay from Uppsala universitet/Institutionen för geovetenskaperAbstract : The Arlanda area is a construction intensive area facing problems with risk of leaching of arsenic (As) from the bedrock to surface- and groundwater. Construction projects in the area have had problems with high levels of As in the bedrock and the risk of leaching increases through processing of aggregates and blasting of the bedrock. READ MORE
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4. Chemical Stabilization of Arsenic in Contaminated Soil under Low Redox Conditions
University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurserAbstract : Remediation techniques for arsenic contaminated soil have previously focused mostly on the surface soil layers where aerobic conditions are prevalent. In this master thesis, chemical stabilization by adding zero-valent iron (Fe(0)) and calcium oxide (CaO) to an arsenic-contaminated soil under low redox conditions have been studied through up-flow percolation tests. READ MORE
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5. Leaching of Glass Waste – Structure and Humidity Cell Tests
University essay from Uppsala universitet/Institutionen för geovetenskaperAbstract : Glass production has historically occurred at around 50 glassworks in Sweden, in a region known as the Kingdom of Crystals (Glasriket). Today, most of these sites are no longer active and left behind is glass waste of different forms (both as fragments of finished glass as well as unrefined glass melts). READ MORE