Packing Incubation and Addition of Rot Fungi Extracts Improve BTEX Elimination from Air in Biotrickling Filters
The removal of benzene, toluene, ethylbenzene, and xylene (BTEX) from air was investigated in two similar biotrickling filters (BTFs) packed with polyurethane (PU) foam, differing in terms of inoculation procedure (BTF A was packed with pre-incubated PU discs, and BTF B was inoculated via the contin...
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2024-09-01
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| author | Piotr Rybarczyk Krzysztof Cichon Karolina Kucharska Dominik Dobrzyniewski Bartosz Szulczyński Jacek Gębicki |
| author_facet | Piotr Rybarczyk Krzysztof Cichon Karolina Kucharska Dominik Dobrzyniewski Bartosz Szulczyński Jacek Gębicki |
| author_sort | Piotr Rybarczyk |
| collection | DOAJ |
| description | The removal of benzene, toluene, ethylbenzene, and xylene (BTEX) from air was investigated in two similar biotrickling filters (BTFs) packed with polyurethane (PU) foam, differing in terms of inoculation procedure (BTF A was packed with pre-incubated PU discs, and BTF B was inoculated via the continuous recirculation of a liquid inoculum). The effects of white rot fungi enzyme extract addition and system responses to variable VOC loading, liquid trickling patterns, and pH were studied. Positive effects of both packing incubation and enzyme addition on biotrickling filtration performance were identified. BFF A exhibited a shorter start-up period (approximately 20 days) and lower pressure drop (75 ± 6 mm H<sub>2</sub>O) than BTF B (30 days; 86 ± 5 mm H<sub>2</sub>O), indicating the superior effects of packing incubation over inoculum circulation during the biotrickling filter start-up. The novel approach of using white rot fungi extracts resulted in fast system recovery and enhanced process performance after the BTF acidification episode. Average BTEX elimination capacities of 28.8 ± 0.4 g/(m<sup>3</sup> h) and 23.1 ± 0.4 g/(m<sup>3</sup> h) were reached for BTF A and BTF B, respectively. This study presents new strategies for controlling and improving the abatement of BTEX in biotrickling filters. |
| format | Article |
| id | doaj-art-53b54320d4ab45819da31b80bc0b8f85 |
| institution | OA Journals |
| issn | 1420-3049 |
| language | English |
| publishDate | 2024-09-01 |
| publisher | MDPI AG |
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| series | Molecules |
| spelling | doaj-art-53b54320d4ab45819da31b80bc0b8f852025-08-20T01:55:42ZengMDPI AGMolecules1420-30492024-09-012918443110.3390/molecules29184431Packing Incubation and Addition of Rot Fungi Extracts Improve BTEX Elimination from Air in Biotrickling FiltersPiotr Rybarczyk0Krzysztof Cichon1Karolina Kucharska2Dominik Dobrzyniewski3Bartosz Szulczyński4Jacek Gębicki5Department of Process Engineering and Chemical Technology, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza 11/12 Street, 80-233 Gdańsk, PolandWaste Utilization Facility Ltd. in Gdańsk, Jabłoniowa 55 Street, 80-180 Gdańsk, PolandDepartment of Process Engineering and Chemical Technology, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza 11/12 Street, 80-233 Gdańsk, PolandDepartment of Process Engineering and Chemical Technology, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza 11/12 Street, 80-233 Gdańsk, PolandDepartment of Process Engineering and Chemical Technology, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza 11/12 Street, 80-233 Gdańsk, PolandDepartment of Process Engineering and Chemical Technology, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza 11/12 Street, 80-233 Gdańsk, PolandThe removal of benzene, toluene, ethylbenzene, and xylene (BTEX) from air was investigated in two similar biotrickling filters (BTFs) packed with polyurethane (PU) foam, differing in terms of inoculation procedure (BTF A was packed with pre-incubated PU discs, and BTF B was inoculated via the continuous recirculation of a liquid inoculum). The effects of white rot fungi enzyme extract addition and system responses to variable VOC loading, liquid trickling patterns, and pH were studied. Positive effects of both packing incubation and enzyme addition on biotrickling filtration performance were identified. BFF A exhibited a shorter start-up period (approximately 20 days) and lower pressure drop (75 ± 6 mm H<sub>2</sub>O) than BTF B (30 days; 86 ± 5 mm H<sub>2</sub>O), indicating the superior effects of packing incubation over inoculum circulation during the biotrickling filter start-up. The novel approach of using white rot fungi extracts resulted in fast system recovery and enhanced process performance after the BTF acidification episode. Average BTEX elimination capacities of 28.8 ± 0.4 g/(m<sup>3</sup> h) and 23.1 ± 0.4 g/(m<sup>3</sup> h) were reached for BTF A and BTF B, respectively. This study presents new strategies for controlling and improving the abatement of BTEX in biotrickling filters.https://www.mdpi.com/1420-3049/29/18/4431biotrickling filtrationair treatmentBTEXfungi extractsinoculation patternprocess performance |
| spellingShingle | Piotr Rybarczyk Krzysztof Cichon Karolina Kucharska Dominik Dobrzyniewski Bartosz Szulczyński Jacek Gębicki Packing Incubation and Addition of Rot Fungi Extracts Improve BTEX Elimination from Air in Biotrickling Filters Molecules biotrickling filtration air treatment BTEX fungi extracts inoculation pattern process performance |
| title | Packing Incubation and Addition of Rot Fungi Extracts Improve BTEX Elimination from Air in Biotrickling Filters |
| title_full | Packing Incubation and Addition of Rot Fungi Extracts Improve BTEX Elimination from Air in Biotrickling Filters |
| title_fullStr | Packing Incubation and Addition of Rot Fungi Extracts Improve BTEX Elimination from Air in Biotrickling Filters |
| title_full_unstemmed | Packing Incubation and Addition of Rot Fungi Extracts Improve BTEX Elimination from Air in Biotrickling Filters |
| title_short | Packing Incubation and Addition of Rot Fungi Extracts Improve BTEX Elimination from Air in Biotrickling Filters |
| title_sort | packing incubation and addition of rot fungi extracts improve btex elimination from air in biotrickling filters |
| topic | biotrickling filtration air treatment BTEX fungi extracts inoculation pattern process performance |
| url | https://www.mdpi.com/1420-3049/29/18/4431 |
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