Microbial removal of selected volatile organic compounds from the model landfill gas

• Autorzy: Zdeb M. , Lebiocka M.

Identyfikatory

DOI

10.1515/eces-2016-0014

Warianty tytułu

PL

Mikrobiologiczne usuwanie wybranych lotnych związków organicznych z modelowego gazu składowiskowego

• Języki publikacji: EN

Abstrakty

EN

Landfills of municipal waste are an important source of BTEXs in the atmosphere. Biodegrability of these compounds implies that biological methods, such as oxidation in landfill covers, may be an effective way to mitigate emission of these gases. The aim of the study was to evaluate the efficiency of BTEXs removal from landfill gas by biofiltration method and to analyze the influence of methane on BTEXs oxidation rate. The experiments were carried out at laboratory scale continuous flow system (microcosms) and in batch tests. A mixture of municipal waste compost and expanded clay pellets (1:1 of volume) was used as a filter bed material. The model landfill gas (50% vol. of CH4 and 50% vol. of CO2) purged through the microcosms was enriched with toluene (series 1) and all the BTEXs (series 2). The results of 7-month continuous flow experiment showed that removal efficiency of BTEXs in experimental columns ranged from 91 to 100% when the individual trace gases loading rates in model gas were in the range of 0.1-0.2 g m−2d−1. The rate of toluene removal, which followed the first order kinetics, depended on the presence of methane in treated gas. About 2-fold higher values of rate constant and 2.5-fold higher values of initial toluene removal rates were observed when no methane was present in the headspaces inside the vials used in the batch tests.

Słowa kluczowe

EN

biofiltration; BTEX; methane; landfill gas; air quality

PL

biofiltracja; BTEX; metan; gaz składowiskowy; jakość powietrza

• Wydawca: Towarzystwo Chemii i Inżynierii Ekologicznej
• Czasopismo: Ecological Chemistry and Engineering. S
• Rocznik: 2016
• Tom: Vol. 23, nr 2
• Strony: 215--228
• Opis fizyczny: Bibliogr. 28 poz., rys., wykr., tab.

Twórcy

autor

Zdeb M.

• Environmental Engineering Faculty, Lublin University of Technology, ul. Nadbystrzycka 40B, 20-618 Lublin, Poland, phone/fax [phone]

autor

Lebiocka M.

• Environmental Engineering Faculty, Lublin University of Technology, ul. Nadbystrzycka 40B, 20-618 Lublin, Poland, phone/fax [phone]

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.