38 research outputs found
Use of microorganisms in the removal of pollutants from the wastewater
The aims of this thesis were to test the adsorption efficiency of cyanobacterial biomasses of polysaccharide producing strains and to realize a pilot plant for galvanic waste treatment based on biosorption. First of all the different strains were tested at laboratory scale with solutions containing one or more metals, in order to gradually approach the reality of galvanic industries, where several metals at different concentrations are present at the same time in the wastes. To realize the pilot plant we tried to combine the protocols established during laboratory experiments with the necessities of the final user, the industry, by designing and realizing three prototypes. It was moreover evaluated the possibility to recover the adsorbed metal in a form easy and convenient for recycling
Use of microorganisms in the removal of pollutants from the wastewater
The aims of this thesis were to test the adsorption efficiency of cyanobacterial biomasses of polysaccharide producing strains and to realize a pilot plant for galvanic waste treatment based on biosorption. First of all the different strains were tested at laboratory scale with solutions containing one or more metals, in order to gradually approach the reality of galvanic industries, where several metals at different concentrations are present at the same time in the wastes. To realize the pilot plant we tried to combine the protocols established during laboratory experiments with the necessities of the final user, the industry, by designing and realizing three prototypes. It was moreover evaluated the possibility to recover the adsorbed metal in a form easy and convenient for recycling
Use of microorganisms in the removal of pollutants from the wastewater
The aims of this thesis were to test the adsorption efficiency of cyanobacterial biomasses of polysaccharide producing strains and to realize a pilot plant for galvanic waste treatment based on biosorption. First of all the different strains were tested at laboratory scale with solutions containing one or more metals, in order to gradually approach the reality of galvanic industries, where several metals at different concentrations are present at the same time in the wastes. To realize the pilot plant we tried to combine the protocols established during laboratory experiments with the necessities of the final user, the industry, by designing and realizing three prototypes. It was moreover evaluated the possibility to recover the adsorbed metal in a form easy and convenient for recycling
Use of microorganisms in the removal of pollutants from the wastewater
The aims of this thesis were to test the adsorption efficiency of cyanobacterial biomasses of polysaccharide producing strains and to realize a pilot plant for galvanic waste treatment based on biosorption. First of all the different strains were tested at laboratory scale with solutions containing one or more metals, in order to gradually approach the reality of galvanic industries, where several metals at different concentrations are present at the same time in the wastes. To realize the pilot plant we tried to combine the protocols established during laboratory experiments with the necessities of the final user, the industry, by designing and realizing three prototypes. It was moreover evaluated the possibility to recover the adsorbed metal in a form easy and convenient for recycling
Use of microorganisms in the removal of pollutants from the wastewater
The aims of this thesis were to test the adsorption efficiency of cyanobacterial biomasses of polysaccharide producing strains and to realize a pilot plant for galvanic waste treatment based on biosorption. First of all the different strains were tested at laboratory scale with solutions containing one or more metals, in order to gradually approach the reality of galvanic industries, where several metals at different concentrations are present at the same time in the wastes. To realize the pilot plant we tried to combine the protocols established during laboratory experiments with the necessities of the final user, the industry, by designing and realizing three prototypes. It was moreover evaluated the possibility to recover the adsorbed metal in a form easy and convenient for recycling
Use of microorganisms in the removal of pollutants from the wastewater
The aims of this thesis were to test the adsorption efficiency of cyanobacterial biomasses of polysaccharide producing strains and to realize a pilot plant for galvanic waste treatment based on biosorption. First of all the different strains were tested at laboratory scale with solutions containing one or more metals, in order to gradually approach the reality of galvanic industries, where several metals at different concentrations are present at the same time in the wastes. To realize the pilot plant we tried to combine the protocols established during laboratory experiments with the necessities of the final user, the industry, by designing and realizing three prototypes. It was moreover evaluated the possibility to recover the adsorbed metal in a form easy and convenient for recycling
Mercury Dispersion through Streams Draining The Mt. Amiata District, Southern Tuscany, Italy
Abstract The Mt. Amiata area hosts the 3 rd largest Hg district in the world, overlapping with a present-day geothermal system that is exploited for energy production. Mining activity ceased in 1980; remediation of mining areas was only partial, and is still under way. A significant transport of mercury is documented in the streams draining the district. By far the largest output occurs to the southeast in the Paglia River catchment; this river is tributary of Tiber River, the largest river of central Italy. A much smaller transport occurs to the north, in the Orcia-Ombrone catchment. Most transport is in particulate form; mercury is temporarily stored in stream and overbank sediments, and can be significantly mobilized and redistributed by extreme events such as flash floods. Transfer to the biosphere and food chain is not negligible, as some fish in Paglia and Tiber Rivers show Hg contents that may be harmful for human consumption. The overall output from the Monte Amiata district represents a significant contribution to the Mediterranean Sea budget of this metal
Integrated geophysical and geomatics study at Xrobb l-Ghagin archaeological site : preliminary results
This study reports the results obtained by combining geophysical methods and geomatis techniques to study the Xrobb l-Ghagin archaeological site. We use unmanned aerial vehicle equipped with different sensors in order to reconstruct the 3D digital model of the area with the main goal of obtaining quantitative information. In particular, we used optical and Lidar sensors mounted on our drone and we perform also ground-based topographic survey in order to properly georeferenced the obtained 3D digital model. Geophysics data (e.g. ambient noise vibration, electrical resistivity tomography and ground penetrating radar) have been collected to study potential buried features present at the site. The 3D model and geophysical investigations helped in identifying potential buried archeological structures as well as the mapping of shallow geological features as fractures, faults and caves.peer-reviewe
GPR and passive seismic investigations in the church of Santa Maria delle Grazie at Campi Salentina (Lecce, Italy)
In the present contribution we propose the results of an integrated measurement campaign including ground penetrating radar and passive seismic data achieved in the church of Santa Maria delle Grazie at Campi Salentina, a town close to Lecce, in southern Italy. The passive seismic results corroborate the interpretation of the main (quite numerous at it will be shown) anomalies identified thanks to the GPR investigation.peer-reviewe