Effect of operating temperature on transient behaviour of a biofilter treating waste-air containing<i>n</i>-butanol vapour during intermittent loading

Feizi, Farzaneh; Nasernejad, Bahram; Zamir, Seyed Morteza

doi:10.1080/09593330.2015.1105302

Cited by 10 publications

(4 citation statements)

References 29 publications

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“…The environmental temperature, pH, and humidity were measured at the same time as the H 2 S sampling. These parameters are the backbone of an efficient biofilter system, as they support a stable microbial population (Feizi;Nasernejad;Zamir, 2016;Xue et al, 2018). The temperature remained in the mesophilic range, and, according to Zhang, Li, and Jiang (2013), in a full-scale biofilter to treat H 2 S, a temperature in the range of 24 °C to 32 °C is ideal for the growth of sulfur-oxidizing microbes.…”

Section: Biofilter Performancementioning

confidence: 99%

Structure and functional prediction of a microbial community involved in a full-scale biofilter treating wastewater odor

Allievi,

Cantão,

Delforno

et al. 2024

Revista DAE

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The efficiency of biofilters depends on the microbial community, so it is crucial to understand the structural/ functional dynamics and identify the key microbial genera associated with treating toxic gases such as hydrogen sulfide (H2 S). This study investigated the structural dynamics linked to the functional prediction of microbial communities in a full-scale biofilter installed near a sewage lift station. Sampling and analysis were conducted for 720 days. Illumina 16S rRNA sequencing was used to assess the taxonomic profile, followed by putative evaluation of functional genes. H2 S removal efficiency reached 90% of the compound concentration at the inlet halfway up the filter bed height. Spatial variability had a greater effect on the microbial community. Studies focused on bacterial behavior and structure in biofiltration systems are still scarce, and only through further research can we fully understand the dynamics.

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Section: Biofilter Performancementioning

confidence: 99%

Structure and functional prediction of a microbial community involved in a full-scale biofilter treating wastewater odor

Allievi,

Cantão,

Delforno

et al. 2024

Revista DAE

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“…Hence, biological processes are environment friendly compared to the other technologies (Padhi SK et al 2014, Feizi F et al 2015. In this category, biofilters can be applied to treat insoluble and recalcitrant compounds (Streese J F et al 2005, Zou JL et al 2012.…”

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confidence: 99%

Toluene Biodegradation using a Lab-Scale Biofilter Inoculated with Pseudomonas Putida PTCC 1694

Ghasemi

Golbabaei

Pourmand

et al. 2020

Preprint

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Biomanipulation is reliable method for treating volatile organic compounds (VOCs) in polluted air. The performances of two biofilters in the removal of toluene vapors from air stream were compared. Two identical biofilters designed in parallel configuration were operated in lab-scale for 20 days; one of them was filled by sterilized media (compost and wood charcoal 2:1 v/v) and another was filled by the same media inoculated with Pseudomonas putida PTCC 1694, as a native strain. Moreover, batch tests were performed to determine the biodegradation rate of toluene. The results showed that, in comparison with the sterilized BF (89% vs 58%), the inoculated BF could effectively eliminate toluene from air stream. The pressure drop across the inoculated BF and the sterilized BF were 0.66±0.28 and 0.47±0.27 mm water respectively. The batch test results showed that loss of toluene in the control bottles was greater than the blanks. Based on the experimental results, inoculated BFs can effectively treat toluene vapors from gaseous streams.

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“…Chan and Lai [11] studied the interaction between 1-butanol and 2-butanol degradation in polyvinyl alcohol bead-packed biofilters at concentrations up to approximately 1 g m −3 , noting that 1-butanol inhibited 2-butanol degradation. Feizi et al [21] tested higher concentrations of n-butanol concentrations (up to 3.2 g m −3 ), but only under transient conditions lasting a few hours. One of the only biotrickling filter studies was performed by Wang et al [22] on a mixture of butyl acetate, butanol and phenyl acetic acid at butanol concentrations up to 2.4 g m −3 .…”

Section: Introductionmentioning

confidence: 99%

Biotrickling Filtration of Air Contaminated with 1-Butanol

Schmidt

Anderson

2017

Environments

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Abstract:The removal of high concentrations of 1-butanol in an air stream was evaluated with a biotrickling filter for potential application to an industrial off-gas. Experiments were conducted on a laboratory-scale system, packed with perlite, in a co-current downward mode with constant recycling of water. The performance was monitored for different inlet concentrations and empty bed residence times during a period of over 60 days of stable operation. A maximum elimination capacity (EC) of 100 g m −3 h −1 was achieved during periods in which the butanol concentration varied from 0.55 to 4.65 g m −3 . The removal efficiency was stable and exceeded 80% for butanol concentrations in the range of 0.4 to 1.2 g m −3 , corresponding to inlet mass loadings of up to approximately 100 g m −3 h −1 . However, when the concentration exceeded 4 g m −3 , removal efficiency rapidly dropped to 15% (EC of 22 g m −3 h −1 ), indicating an inhibition effect that was reversed by decreasing the inlet concentration. This biotrickling filter was able to deal with higher sustained butanol concentrations than have been previously reported, but might not be suitable for concentrations much in excess of 1.2 g m −3 or mass inlet loads in excess of 100 g m −3 h −1 .

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Effect of operating temperature on transient behaviour of a biofilter treating waste-air containingn-butanol vapour during intermittent loading

Cited by 10 publications

References 29 publications

Structure and functional prediction of a microbial community involved in a full-scale biofilter treating wastewater odor

Structure and functional prediction of a microbial community involved in a full-scale biofilter treating wastewater odor

Toluene Biodegradation using a Lab-Scale Biofilter Inoculated with Pseudomonas Putida PTCC 1694

Biotrickling Filtration of Air Contaminated with 1-Butanol

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