Minimization of methane and selected aromatic hydrocarbons emissions from municipal landfill in biofilters - a field study
Artykuł w czasopiśmie
MNiSW
15
Lista A
| Status: | |
| Autorzy: | Zdeb Magdalena |
| Rok wydania: | 2015 |
| Wersja dokumentu: | Drukowana | Elektroniczna |
| Język: | angielski |
| Numer czasopisma: | 2 |
| Wolumen/Tom: | 17 |
| Strony: | 1053 - 1073 |
| Web of Science® Times Cited: | 8 |
| Scopus® Cytowania: | 8 |
| Bazy: | Web of Science | Scopus |
| Efekt badań statutowych | NIE |
| Materiał konferencyjny: | NIE |
| Publikacja OA: | TAK |
| Licencja: | |
| Sposób udostępnienia: | Otwarte czasopismo |
| Wersja tekstu: | Ostateczna wersja opublikowana |
| Czas opublikowania: | W momencie opublikowania |
| Abstrakty: | angielski |
| Discussion on counteracting the greenhouse effect focused on the reduction of CO2 emissions mainly from the fossil fuel burning. There is often forgotten that the important role in greenhouse effect play other gases, such a methane, but its production is weakly associated with the combustion of fossil fuels. The global warming potential for methane is approx. 25-fold higher thai that of CO2.Methane is located at second place on the list of the substances re sponsible for rising the temperature of the Earth’ atmosphere. Taking into account the global action towards prevention the climate changes, a reduction ofmethane emissions should be enhanced. It could significantly improve the at mospheric air quality. The aim of the study was to evaluate the efficiency of bio-oxidation ofmethane and selected aromatic hydrocarbons emitted from municipal solii waste landfills. The research was carried out under field scale for 10 months from early summer to early spring. An open type biofilter worked at variabl loading rate of landfill gas and under different climatic conditions. Due to th low gas pressure inside the waste body, the gas suction was applied to provid a continuous gas flow to the biofilter. This was resulted in landfill gas dilutioi by atmospheric air migrating through the leakiness in the gas supply system. The study showed that the temperature was limiting factor in the pro cesses of bio-oxidation of methane and monoaromatic hydrocarbons such a BTEXs in field scale biofilter. During winter season the realbed temperature fa] below 0°C throughout the whole profile of the biofilter. This led to the freezinj of the water contained in the soil pores, which prevented the flow of gas alonj the biofilter. In other seasons, where the average bed temperature ranged fron 5.5 to 42.3°C, biofilter worked reaching the 100% efficiency of BTEXs remov al, at average mass loading rate of 26.75 ug BTEXs m-2 d-1, and 42% efficienc; of methane removal at average mass loading rate of 14.6 g CH4 m-2 d-1. High efficiencies of volatile organic compounds (VOCs) removal from landfill gas can be explained by dilution of gas stream entering the biofilter with the atmospheric air. Calculation of elimination capacity of particular VOCs and the evaluation of the impact of VOCs concentration on removal efficiencies was impossible due to their total oxidation in the biofilter. |
