Biofiltration of benzene contaminated air streams using compost‐activated carbon filter media

Treatment of xylene polluted air using press mud-based biofilter

“…The results collected evidenced that the elimination capacity increased regularly with the organic load. Similar observations were reported for benzene removal [29]. In this press mud-based biofilters, the elimination capacity linearly increased up to an organic load 17 g m −3 h −1 , while beyond this values it increased more slowly and reached a maximum.…”

“…2b. The maximum elimination capacities obtained in this work are higher than the values reported earlier [29] using mixed compost and activated carbon as packing material.…”

Effects of gas flow rate, inlet concentration and temperature on the biofiltration of toluene vapors

“…For this evaluation, typical residence times for system functioning were used (Jorio et al, 2000;Zhu et al, 1998), corresponding to 3, 2, 1.5, 1 and 0.5 min, and to flows of 0.12, 0.18, 0.24, 0.36 and 0.73 m 3 h À1 , respectively. The inlet concentration varied in the range of 1-3.2 g m À3 , depending on the flow.…”

Biodegradation of ethanol vapour in a biofilter

“…An elimination capacity of 89 g m A3 h A1 was achieved in the biodegradation of benzene in bio®lter using different amounts of granular activated carbon and compost as ®lter media [9]. This paper examines the performance of a continuously operated bio®lter for the removal of ethanol vapour at relatively high inlet concentrations and the dynamics of the packed bed reactor system on extended operation.…”