Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5740462 | International Biodeterioration & Biodegradation | 2017 | 7 Pages |
Abstract
In this research, the effect of operating temperature on the removal of n-butanol vapor in a biofilter (BF) was studied at 35, 40, and 45 °C. The BF was packed with compost and lava rock. Empty bed residence time (EBRT) was 1 min and the inlet concentration was varied in the range of 0.9-2.6 gmâ3. After acclimation period, elimination capacities (ECs) of 103, 162, and 62 gmâ3 hâ1 were obtained at 35, 40, and 45 °C, respectively, corresponded to the inlet loading rates (ILRs) of 140, 213, and 121 gmâ3 hâ1. The overall rate of biological reactions was more sensitive to the logarithmic mean concentration when temperature increased. According to the stoichiometric analysis, biomass and oxygen consumption yields (Yx/s and YO2/s) were obtained as 0.73 and 0.46, respectively. Regarding the mathematical model results, specific surface area for biomass (As), activation energy (E), and saturation constant for Michaelis-Menten kinetic model (km) values at 40 °C were determined as 2.01 Ã 102 mâ1, 1.26 Ã 105 J molâ1 and 2 gmâ3, respectively.
Related Topics
Life Sciences
Environmental Science
Environmental Science (General)
Authors
Mehdi Eshraghi, Parham Parnian, Seyed Morteza Zamir, Rouein Halladj,