Biofiltration of α-pinene vapours using municipal solid waste (MSW) – Pruning residues (P) composts as packing materials

Cabeza, Iván O.; López, Rubens; Giráldez, Inmaculada; Stuetz, Richard M.; Díaz, María José Moreno

doi:10.1016/j.cej.2013.08.032

Cited by 26 publications

(9 citation statements)

References 40 publications

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“…However, due to the low cost and short time of a single analysis, electronic noses have become an alternative to gas chromatography in many instances (Szulczyński et al 2017). The use of an electronic nose allows to monitor the process in an on-line mode and it has been successfully used in the assessment of the biofiltration process efficiency (Cabeza et al 2013;Guz 2015;Szulczyński et al 2018). Thus, beside gas chromatography, an electronic nose is used for the evaluation of the process performance in this study.…”

Section: Introductionmentioning

confidence: 99%

Effects of n-butanol presence, inlet loading, empty bed residence time and starvation periods on the performance of a biotrickling filter removing cyclohexane vapors from air

et al. 2019

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This paper presents the results of investigations on the removal of cyclohexane vapors from air using a peat-perlite packed biotrickling filter. Effects of basic process parameters i.e. inlet loading and empty bed residence time as well as introduction of n-butanol to the treated air stream and starvation periods on the process performance were evaluated. The results show that the introduction of hydrophilic n-butanol results in an enhanced removal of hydrophobic cyclohexane comparing to the experiments where only cyclohexane was treated. Additionally, the biotrickling filter performance after the starvation events is regained to more extent for mixed system than for the single cyclohexane. A novel and interesting element of the paper is the application of an electronic nose for the process monitoring. Obtained results are discussed in the perspective of an influence of the presence of a compound with different affinity to aqueous phase on the removal efficiency of the compound with opposite chemical properties. Keywords Biofiltration • Biotrickling filter • Cyclohexane • n-Butanol • Removal of VOCs • Electronic nose List of symbols a Coefficient of MLR model B Boiling point (°C) BF Biotrickling filter BTF Biotrickling filtration c Concentration of cyclohexane in the gas mixture (ppm v/v) C Concentration of cyclohexane in the gas mixture (mg m −3) d Internal diameter of BTF (m) EC Elimination capacity (g m −3 h −1) EBRT Empty bed residence time s GC Gas chromatography h Total height of a BTF packing (m) H Henry's constant (mol m −3 Pa −1)

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Section: Introductionmentioning

confidence: 99%

Effects of n-butanol presence, inlet loading, empty bed residence time and starvation periods on the performance of a biotrickling filter removing cyclohexane vapors from air

et al. 2019

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“…Hence, the main methods used for construction of linear calibration models are PCR and PLS, as they are capable of managing correlated variables. These methods have found successful application for monitoring of odour concentration changes in processes such as biofiltration or sewage treatment as well as a support to dynamic olfactory measurements [ 46 , 47 , 48 , 49 , 50 , 51 , 52 , 53 , 54 ]. Literature in the field [ 55 ] reveals that for binary mixtures ( n -butanol, acetone) of odorous compounds, a linear regression between odour intensity and averaged sensor response is appropriate to represent the relationship between odour intensity and electronic nose measurement when conducting polymer sensors are used, but it is inadequate for metal oxide sensors.…”

Section: Introductionmentioning

confidence: 99%

Determination of Odour Interactions of Three-Component Gas Mixtures Using an Electronic Nose

Szulczyński

Namieśnik

Gębicki

2017

Sensors

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The paper presents an application of an electronic nose prototype comprised of six TGS-type sensors and one PID-type sensor to identify odour interaction phenomena in odorous three-component mixtures. The investigation encompassed eight odorous mixtures—toluene-acetone-triethylamine and formaldehyde-butyric acid-pinene—characterized by different odour intensity and hedonic tone. A principal component regression (PCR) calibration model was used for evaluation of predicted odour intensity and hedonic tone. Correctness of identification of odour interactions in the odorous three-component mixtures was determined based on the results obtained with the electronic nose. The results indicated a level of 75–80% for odour intensity and 57–73% for hedonic tone. The average root mean square error of prediction amounted to 0.03–0.06 for odour intensity determination and 0.07–0.34 for hedonic tone evaluation of the odorous three-component mixtures.

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“… 2 However, composting is considered one of the most sustainable methods of the recovery of MSW. 3 Compost is a stable final product that can be beneficially applied to land 4 and is suitable for managing large quantities of MSW in a sustainable way and for its recycling, but due to environmental problems with soil and overproduction, not all produced compost can be used as fertilizer.…”

Section: Introductionmentioning

confidence: 99%

MSW Compost Valorization by Pyrolysis: Influence of Composting Process Parameters

et al. 2020

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The valorization of urban solid waste compost (MSW) in two different composting conditions (different aeration and humidity) has been studied (we work with the hypothesis that the composting process can have a significant influence on a subsequent pyrolysis process). The influence of composting on subsequent pyrolysis of the material was assessed by examining the kinetics of the process, maximizing hydrogen production and minimizing the activation energy. The thermogravimetric analysis carried out on the samples have shown that they have a greater loss of weight of 9–14% at 270–275 °C and 22–27% at 444–446 °C. Using the Kissinger–Akahira–Sunose method, the activation energy values are found to be in the range of 57.78–581.69 kJ mol –1 , and the assumption that pyrolysis of compost could be modeled by a first-order reaction may be a suitable approximation. The analysis of the gases produced from the pyrolysis process revealed that hydrogen increases in concentration as composting time advances until intermediate time. In this form, the composting process could be a suitable previous treatment for improving the pyrolysis process. In fact, decreasing aeration and moisture in the MSW composting process led to the production of an increased amount of hydrogen (8.3%) by pyrolysis of the resulting compost and also to a decreased activation energy (102.8 kJ mol –1 ). These effects were also observed before the end of the composting process in the form of maximum hydrogen production and minimum activation energy after 20 days.

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Biofiltration of α-pinene vapours using municipal solid waste (MSW) – Pruning residues (P) composts as packing materials

Cited by 26 publications

References 40 publications

Effects of n-butanol presence, inlet loading, empty bed residence time and starvation periods on the performance of a biotrickling filter removing cyclohexane vapors from air

Effects of n-butanol presence, inlet loading, empty bed residence time and starvation periods on the performance of a biotrickling filter removing cyclohexane vapors from air

Determination of Odour Interactions of Three-Component Gas Mixtures Using an Electronic Nose

MSW Compost Valorization by Pyrolysis: Influence of Composting Process Parameters

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