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Identifier

000441449

Title

Χημική σύσταση αερολυμάτων στο λιμάνι του Πειραιά

Alternative Title

Chemical composition of aerosols at Piraeus port

Author

Παπουτσιδάκη, Κυριακή Δ.

Thesis advisor

Μιχαλόπουλος, Νικόλαος

Thesis advisor

Κανακίδου, Μαρία
Λιακάκου, Ελένη

Abstract

Τhe present work focuses on the chemical composition of Particulate Matter PM_2,5 in Piraeus Port, as well as the evaluation and quantification of its sources. The port of Piraeus is the largest port in Greece and in Southeastern Mediterranean, both in terms of container and passenger traffic. Therefore, it is affected both by the activity of passenger port and combustions that take place in the area. For this study, approximately 300 aerosol samples were collected from the station building (STASY) of the electric railway (ISAP) in the port of Piraeus, in order to determine the seasonal and spatial variation of PM_2,5. The sampling period was one year (December 2018-December 2019) with samples of PM_2,5 being collected every 24h. The aerosol samples were analyzed for organic (OC) and elemental carbon (EC) using a thermal/ optical carbon analyzer for aerosols, for water-soluble ions using ionic chromatography and for metals using Inductively Coupled Plasma- Mass Spectrometry (ICP-MS). To characterize air pollution in the area, data of conventional pollutants were used (CO, NO_x, SO₂, O₃, PM₁₀, BC), that were measured at regional locations during the campaign. Four ionic components were also measured by Aerosol Chemical Speciation Monitor (ACSM) and were compared to ionic chromatography results. Then, the correlations of all chemical species were studied, as well as the diurnal and seasonal variations for each one separately. In order to form a more complete picture of the type of sources (local/ regional) and the identification of possible areas of particle origin, biparametric diagrams of EC and OC concentrations, ions and metals linked to wind direction and wind speed are presented. Finally, the measurements of ICP-MS and ICP-OES were compared, calculating R², with the results being satisfactory and most of correlations were statistical significant.

Language

Greek

Subject

Elemental carbon

Ions

Metals

Organic carbon

PM2.5

Αερολύματα

Ιόντα

Μέταλλα

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