Biofiltration of air contaminated with methanol and toluene
Biofiltration of air contaminated with VOCs is inexpensive compared with the conventional techniques and very effective for treating large volumes of moist air streams with low concentrations of VOCs. In this study, biofiltration for the purification of polluted air from methanol, a hydrophilic VOC,...
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| Format: | Article |
| Language: | English |
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Prince of Songkla University
2005-12-01
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| Series: | Songklanakarin Journal of Science and Technology (SJST) |
| Subjects: | |
| Online Access: | http://www.sjst.psu.ac.th/journal/27_openweek_suppl3_pdf/14_air.pdf |
| _version_ | 1817968123811201024 |
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| author | Pakamas Chetpattananondh Charun Bunyakan Yada Nitipavachon |
| author_facet | Pakamas Chetpattananondh Charun Bunyakan Yada Nitipavachon |
| author_sort | Pakamas Chetpattananondh |
| collection | DOAJ |
| description | Biofiltration of air contaminated with VOCs is inexpensive compared with the conventional techniques and very effective for treating large volumes of moist air streams with low concentrations of VOCs. In this study, biofiltration for the purification of polluted air from methanol, a hydrophilic VOC, and toluene, a hydrophobic VOC, was investigated. The experiments were operated using three separated stainless steel biofilters, for methanol, toluene, and a mixture of methanol and toluene, respectively. Biofilter consisted of a mixture of palm shells and activated sludge as a filter-bed material. Only the indigenous microorganisms of the bed medium without any addition of extra inoculum were used throughout the whole process. The polluted air inlet concentration was varied from 0.3-4.7 g/m3 with flow rates ranging from 0.06-0.45 m3/h, equivalent to the empty bed residence times of 9-71 sec. Polluted air was successfully treated by biofiltration, 100% removal efficiencies would be obtained when the air flow rate was lower than 0.45 m3/h. The presence of toluene did not affect the removal rate of methanol while the removal rate of toluene was decreased with the presence of methanol in air stream according to the competition phenomenon. |
| first_indexed | 2024-04-13T20:04:02Z |
| format | Article |
| id | doaj.art-6a4a009bf96d4bf3bb3bcc05be3558f7 |
| institution | Directory Open Access Journal |
| issn | 0125-3395 |
| language | English |
| last_indexed | 2024-04-13T20:04:02Z |
| publishDate | 2005-12-01 |
| publisher | Prince of Songkla University |
| record_format | Article |
| series | Songklanakarin Journal of Science and Technology (SJST) |
| spelling | doaj.art-6a4a009bf96d4bf3bb3bcc05be3558f72022-12-22T02:32:05ZengPrince of Songkla UniversitySongklanakarin Journal of Science and Technology (SJST)0125-33952005-12-0127Suppl.3761773Biofiltration of air contaminated with methanol and toluenePakamas ChetpattananondhCharun BunyakanYada NitipavachonBiofiltration of air contaminated with VOCs is inexpensive compared with the conventional techniques and very effective for treating large volumes of moist air streams with low concentrations of VOCs. In this study, biofiltration for the purification of polluted air from methanol, a hydrophilic VOC, and toluene, a hydrophobic VOC, was investigated. The experiments were operated using three separated stainless steel biofilters, for methanol, toluene, and a mixture of methanol and toluene, respectively. Biofilter consisted of a mixture of palm shells and activated sludge as a filter-bed material. Only the indigenous microorganisms of the bed medium without any addition of extra inoculum were used throughout the whole process. The polluted air inlet concentration was varied from 0.3-4.7 g/m3 with flow rates ranging from 0.06-0.45 m3/h, equivalent to the empty bed residence times of 9-71 sec. Polluted air was successfully treated by biofiltration, 100% removal efficiencies would be obtained when the air flow rate was lower than 0.45 m3/h. The presence of toluene did not affect the removal rate of methanol while the removal rate of toluene was decreased with the presence of methanol in air stream according to the competition phenomenon.http://www.sjst.psu.ac.th/journal/27_openweek_suppl3_pdf/14_air.pdfbiofiltrationbiofilterVOCmethanoltoluene |
| spellingShingle | Pakamas Chetpattananondh Charun Bunyakan Yada Nitipavachon Biofiltration of air contaminated with methanol and toluene Songklanakarin Journal of Science and Technology (SJST) biofiltration biofilter VOC methanol toluene |
| title | Biofiltration of air contaminated with methanol and toluene |
| title_full | Biofiltration of air contaminated with methanol and toluene |
| title_fullStr | Biofiltration of air contaminated with methanol and toluene |
| title_full_unstemmed | Biofiltration of air contaminated with methanol and toluene |
| title_short | Biofiltration of air contaminated with methanol and toluene |
| title_sort | biofiltration of air contaminated with methanol and toluene |
| topic | biofiltration biofilter VOC methanol toluene |
| url | http://www.sjst.psu.ac.th/journal/27_openweek_suppl3_pdf/14_air.pdf |
| work_keys_str_mv | AT pakamaschetpattananondh biofiltrationofaircontaminatedwithmethanolandtoluene AT charunbunyakan biofiltrationofaircontaminatedwithmethanolandtoluene AT yadanitipavachon biofiltrationofaircontaminatedwithmethanolandtoluene |