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151.
152.
With the main purpose of evaluating PCDD/F presence and the corresponding mass balance over the emissions control system, an extensive study was performed on a municipal solid waste full scale incinerator equipped with a best available technology flue gas treatment line. Present paper reports the main results obtained, with particular reference to the PCDD/F concentration profiles and mass balances derived for every process unit of the flue gas control system. Total release evaluated for the plant is also outlined compared with data on PCDD/F content of raw waste and with reference values included in most recent guidelines. 相似文献
153.
Leonardo Marotta Luigi Ceccaroni Gabriele Matteucci Paolo Rossini Stefano Guerzoni 《Journal of Coastal Conservation》2011,15(3):393-405
This paper describes a decision-support system based on landscape ecology and focused on the study of ecosystems’ health.
System capabilities are illustrated with three cases of integrated coastal zone management (ICZM), in the Adriatic Sea (Italy):
the lagoon of Venice and the Rimini and Ancona coastal areas. Indicators and indices are developed with a focus on sub-regional
and local problems in coastal management, with a multi-scale approach based on landscape and seascape ecology. Land-use changes
of the coastal areas were detected by analyzing two sets of satellite images. Indices combining satellite imagery, socio-economic
and environmental indicators, and landscape and seascape maps were created, showing ecological changes, habitat loss and gaps
in conservation policy. The approach used provides means for the identification of conflicts and for the assessment of sustainability.
Results show that the lagoon of Venice plays an important role in mitigating and compensating the impacts of human activities,
and needs to be protected and restored. The Rimini area shows high ecological footprint and development-intensity and low
biocapacity. The Ancona area needs the protection of its natural coastal space from potential sources of anthropogenic impacts
to maintain its sustainability. A model of environment changes is critical for formulating effective environmental policies
and management strategies. The developed decision-support system provides a suitability map per each area analyzed, which
can be used in order to maximize different policy objectives and reduce coastal conflicts. 相似文献
154.
155.
Andrea Massari Marta Beggio Sandro Hreglich Riccardo Marin Stefano Zuin 《Waste management (New York, N.Y.)》2014,34(10):1897-1907
In order to assess the potential impacts posed by products containing engineered nanoparticles, it is essential to generate more data about the release of these particles from products’ life cycle. Although first studies were performed to investigate the release of nanoparticles from use phase, very few data are available on the potential release from recycling or disposal of nano-enhanced products.In this work, we investigated the behavior of TiO2 nanoparticles from incineration of solid paint waste containing these particles. Solid paint debris with and without TiO2 nanoparticles were treated in a lab scale incineration plant at 950 °C (combustion temperature) and in oxidizing atmosphere. The obtained ashes were also vitrified with additives and the release of Ti was finally evaluated by leaching test. From our incineration lab-scale experiment, we did not observe a release of TiO2 nanoparticles into the atmosphere, and Ti was attached to the surface of obtained solid residues (i.e. ashes). The characterization of ashes showed that TiO2 nanoparticles reacted during the incineration to give calcium titanate. Finally, a very low release of Ti was measured, less 1 mg/kg, during the leaching test of ashes vitrified with glass cullet and feldspathic inert. Our work suggests that TiO2 nanoparticles added in paints may undergo to physicochemical transformation during the incineration, and that Ti found in ashes may be strongly immobilized in glass matrix. Since this conclusion is based on lab-scale experiment, further research is required to identify which nanoparticles will be emitted to the environment from a real-word-incineration system of household hazardous waste. 相似文献
156.
The atmospheric concentrations of benzene, toluene, ethylbenzene and isomeric xylenes (BTEX) in a medium-sized town (S. Maria Capua Vetere, about 32000 inhabitants, Southern Italy) have been determined during working days and weekends in 2006. The procedure used was 24h passive adsorption by samplers distributed throughout the town followed by GC/MS analysis. On a yearly base, the arithmetic mean benzene concentrations were above the limit required by the 2000/69/CE European Directive. The Pearson correlation coefficients of the 24h geometric mean BTEX concentrations were indicative of stationary sources of toluene located in a well circumscribed area of the urban territory, active only during the working days and not officially recognized. The results highlight the effectiveness of the statistical approach used in this study for the identification of pollutant sources. 相似文献
157.
Andrea Battistone Gabriele Buttinelli Paolo Bonomo Stefano Fiore Concetta Amato Pietro Mercurio Antonella Cicala Josef Simeoni Adelheid Foppa Maria Triassi Francesca Pennino Lucia Fiore 《Food and environmental virology》2014,6(1):13-22
This study evaluated the presence and seasonal distribution of polio and other enteroviruses in four wastewater treatment plants in three cities in Italy, using different treatment systems. Detection of enteroviruses was carried out by virus isolation in cell cultures after concentration of water samples collected at both inlet and outlet of the treatment plants, following the methods described in the WHO guidelines. Viral serotypes isolated before and after water treatment were compared. Forty-eight non-polio enteroviruses were isolated from 312 samples collected at the inlet of the four wastewater treatment plants, 35 of which were Coxsackievirus type B (72.9 %) and 13 Echovirus (27.1 %). After treatment, 2 CVB3, 1 CVB5, and 1 Echo 6 were isolated. CVB3 and Echo 6 serotypes were also detected in samples collected at the inlet of the TP, in the same month and year. The high rate of detection of infectious enteroviruses in inlet sewage samples (30.1 %) indicates wide diffusion of these viruses in the populations linked to the collectors. The incomplete removal of infectious viruses following sewage treatment highlights possible risks for public health relate to treated waters discharge into the environment. 相似文献
158.
Tassi Franco Garofalo Paolo S. Turchetti Filippo De Santis Davide Capecchiacci Francesco Vaselli Orlando Cabassi Jacopo Venturi Stefania Vannini Stefano 《Environmental geochemistry and health》2022,44(7):1925-1948
Environmental Geochemistry and Health - This study focuses on the geochemical features of the presently discharging thermal and cold springs and on paleofluids from the upstream portion of the Reno... 相似文献
159.
Nuria Burgos Daniel Tolaguera Stefano Fiori Alfonso Jiménez 《Journal of Polymers and the Environment》2014,22(2):227-235
The use of fully bio-based and biodegradable materials for massive applications, such as food packaging, is an emerging tendency in polymer research. But the formulations proposed in this way should preserve or even increase the functional properties of conventional polymers, such as transparency, homogeneity, mechanical properties and low migration of their components to foodstuff. This is not always trivial, in particular when brittle biopolymers, such as poly(lactic acid) (PLA), are considered. In this work the formulation of innovative materials based on PLA modified with highly compatible plasticizers, i.e. oligomers of lactic acid (OLAs) is proposed. Three different synthesis conditions for OLAs were tested and the resulting additives were further blended with commercial PLA obtaining transparent and ductile materials, able for films manufacturing. These materials were tested in their structural, thermal and tensile properties and the best formulation among the three materials was selected. OLA with molar mass (Mn) around 1,000 Da is proposed as an innovative and fully compatible and biodegradable plasticizer for PLA, able to replace conventional plasticizers (phthalates, adipates or citrates) currently used for films manufacturing in food packaging applications. 相似文献
160.
Atmospheric fall-out of metals around the Murano glass-making district (Venice,Italy) 总被引:1,自引:0,他引:1
Paolo Rossini Gabriele Matteucci Stefano Guerzoni 《Environmental science and pollution research international》2010,17(1):40-48