Thermophilic biotrickling filtration of a mixture of isobutyraldehyde and 2-pentanone
In this study, the possibility of the removal of isobutyraldehyde and 2‐pentanone was investigated in biotrickling filters (BTFs) at higher temperature (52–65 °C). First, the biodegradation of isobutyraldehyde and 2‐pentanone in activated sludge was proven by batch experiments at 52 and 62 °C. In ba...
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| Veröffentlicht in: | Journal of chemical technology and biotechnology (1986) 2007-01, Vol.82 (1), p.74-80 |
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| container_title | Journal of chemical technology and biotechnology (1986) |
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| creator | Luvsanjamba, Munkhtsetseg Sercu, Bram Kertész, Szabolcs Van Langenhove, Herman |
| description | In this study, the possibility of the removal of isobutyraldehyde and 2‐pentanone was investigated in biotrickling filters (BTFs) at higher temperature (52–65 °C). First, the biodegradation of isobutyraldehyde and 2‐pentanone in activated sludge was proven by batch experiments at 52 and 62 °C. In batch experiments isobutyraldehyde was also degraded up to a temperature of 72 °C. Thereafter two bioreactors were operated in parallel, one at ambient temperature (BTF25), and one at 52 °C (BTF52). Maximum elimination capacities of 97 and 139 g m−3 h−1 were observed in BTF25 and BTF52, respectively, for isobutyraldehyde. Maximum elimination capacities of 53 and 63 g m−3 h−1 were obtained for 2‐pentanone in BTF25 and BTF52, respectively. A significant difference was observed in the operational stability of the two reactors. In the reactor at ambient temperature, operational problems such as foam formation, higher biomass accumulation and organic acid production were observed. In the thermophilic reactor these problems did not occur or were less severe. Copyright © 2007 Society of Chemical Industry |
| doi_str_mv | 10.1002/jctb.1639 |
| format | Article |
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First, the biodegradation of isobutyraldehyde and 2‐pentanone in activated sludge was proven by batch experiments at 52 and 62 °C. In batch experiments isobutyraldehyde was also degraded up to a temperature of 72 °C. Thereafter two bioreactors were operated in parallel, one at ambient temperature (BTF25), and one at 52 °C (BTF52). Maximum elimination capacities of 97 and 139 g m−3 h−1 were observed in BTF25 and BTF52, respectively, for isobutyraldehyde. Maximum elimination capacities of 53 and 63 g m−3 h−1 were obtained for 2‐pentanone in BTF25 and BTF52, respectively. A significant difference was observed in the operational stability of the two reactors. In the reactor at ambient temperature, operational problems such as foam formation, higher biomass accumulation and organic acid production were observed. In the thermophilic reactor these problems did not occur or were less severe. Copyright © 2007 Society of Chemical Industry</description><identifier>ISSN: 0268-2575</identifier><identifier>EISSN: 1097-4660</identifier><identifier>DOI: 10.1002/jctb.1639</identifier><identifier>CODEN: JCTBDC</identifier><language>eng</language><publisher>Chichester, UK: John Wiley & Sons, Ltd</publisher><subject>2-pentanone ; Applied sciences ; Biological and medical sciences ; Biotechnology ; biotrickling filter ; Chemical engineering ; Exact sciences and technology ; Filtration ; Fundamental and applied biological sciences. Psychology ; isobutyraldehyde ; Liquid-liquid and fluid-solid mechanical separations ; Methods. Procedures. 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Chem. Technol. Biotechnol</addtitle><description>In this study, the possibility of the removal of isobutyraldehyde and 2‐pentanone was investigated in biotrickling filters (BTFs) at higher temperature (52–65 °C). First, the biodegradation of isobutyraldehyde and 2‐pentanone in activated sludge was proven by batch experiments at 52 and 62 °C. In batch experiments isobutyraldehyde was also degraded up to a temperature of 72 °C. Thereafter two bioreactors were operated in parallel, one at ambient temperature (BTF25), and one at 52 °C (BTF52). Maximum elimination capacities of 97 and 139 g m−3 h−1 were observed in BTF25 and BTF52, respectively, for isobutyraldehyde. Maximum elimination capacities of 53 and 63 g m−3 h−1 were obtained for 2‐pentanone in BTF25 and BTF52, respectively. A significant difference was observed in the operational stability of the two reactors. In the reactor at ambient temperature, operational problems such as foam formation, higher biomass accumulation and organic acid production were observed. In the thermophilic reactor these problems did not occur or were less severe. Copyright © 2007 Society of Chemical Industry</description><subject>2-pentanone</subject><subject>Applied sciences</subject><subject>Biological and medical sciences</subject><subject>Biotechnology</subject><subject>biotrickling filter</subject><subject>Chemical engineering</subject><subject>Exact sciences and technology</subject><subject>Filtration</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>isobutyraldehyde</subject><subject>Liquid-liquid and fluid-solid mechanical separations</subject><subject>Methods. Procedures. Technologies</subject><subject>Others</subject><subject>Reactors</subject><subject>thermophilic</subject><subject>Various methods and equipments</subject><issn>0268-2575</issn><issn>1097-4660</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNqFkEtLAzEUhYMoWB8L_8FsFFxMzWOSmVlqsVXxAbUiuAmZTGKj6aQmGbT_3hladCXChcu5fOdcOAAcIThEEOKzNxmrIWKk3AIDBMs8zRiD22AAMStSTHO6C_ZCeIMQsgKzAXiazZVfuOXcWCOTyrjojXy3pnlNtLHRi2hckzidiGRhvmLrVS9McFUbV17YWs1XtUpEUyc4XaomisY16gDsaGGDOtzsffA0vpyNrtLbh8n16Pw2lYSiMiWU5poKhCtcU6UpYyjLOlVlmjCmu2NdlFDoqqwyQqpaS0l1NzmUNcMFI_vgZJ279O6jVSHyhQlSWSsa5drAcZlnGJfkf7ArJIMYduDpGpTeheCV5ktvFsKvOIK8b5j3DfO-4Y493oSKIIXVXjTShF9DkUEEUf_8bM19GqtWfwfym9HsYpOcrh0mRPX14xD-nbOc5JQ_30_41XT88ng3HfMp-QbXP5rY</recordid><startdate>200701</startdate><enddate>200701</enddate><creator>Luvsanjamba, Munkhtsetseg</creator><creator>Sercu, Bram</creator><creator>Kertész, Szabolcs</creator><creator>Van Langenhove, Herman</creator><general>John Wiley & Sons, Ltd</general><general>Wiley</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>7T7</scope><scope>7TV</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>7U5</scope><scope>F28</scope><scope>L7M</scope></search><sort><creationdate>200701</creationdate><title>Thermophilic biotrickling filtration of a mixture of isobutyraldehyde and 2-pentanone</title><author>Luvsanjamba, Munkhtsetseg ; Sercu, Bram ; Kertész, Szabolcs ; Van Langenhove, Herman</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3519-3557f5a12b2d5ef56614412bb4f366f2d5d890afb9b433bdfcc5fc5f70cd62863</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>2-pentanone</topic><topic>Applied sciences</topic><topic>Biological and medical sciences</topic><topic>Biotechnology</topic><topic>biotrickling filter</topic><topic>Chemical engineering</topic><topic>Exact sciences and technology</topic><topic>Filtration</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>isobutyraldehyde</topic><topic>Liquid-liquid and fluid-solid mechanical separations</topic><topic>Methods. Procedures. 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Chem. Technol. Biotechnol</addtitle><date>2007-01</date><risdate>2007</risdate><volume>82</volume><issue>1</issue><spage>74</spage><epage>80</epage><pages>74-80</pages><issn>0268-2575</issn><eissn>1097-4660</eissn><coden>JCTBDC</coden><abstract>In this study, the possibility of the removal of isobutyraldehyde and 2‐pentanone was investigated in biotrickling filters (BTFs) at higher temperature (52–65 °C). First, the biodegradation of isobutyraldehyde and 2‐pentanone in activated sludge was proven by batch experiments at 52 and 62 °C. In batch experiments isobutyraldehyde was also degraded up to a temperature of 72 °C. Thereafter two bioreactors were operated in parallel, one at ambient temperature (BTF25), and one at 52 °C (BTF52). Maximum elimination capacities of 97 and 139 g m−3 h−1 were observed in BTF25 and BTF52, respectively, for isobutyraldehyde. Maximum elimination capacities of 53 and 63 g m−3 h−1 were obtained for 2‐pentanone in BTF25 and BTF52, respectively. A significant difference was observed in the operational stability of the two reactors. In the reactor at ambient temperature, operational problems such as foam formation, higher biomass accumulation and organic acid production were observed. In the thermophilic reactor these problems did not occur or were less severe. Copyright © 2007 Society of Chemical Industry</abstract><cop>Chichester, UK</cop><pub>John Wiley & Sons, Ltd</pub><doi>10.1002/jctb.1639</doi><tpages>7</tpages></addata></record> |
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| ispartof | Journal of chemical technology and biotechnology (1986), 2007-01, Vol.82 (1), p.74-80 |
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| subjects | 2-pentanone Applied sciences Biological and medical sciences Biotechnology biotrickling filter Chemical engineering Exact sciences and technology Filtration Fundamental and applied biological sciences. Psychology isobutyraldehyde Liquid-liquid and fluid-solid mechanical separations Methods. Procedures. Technologies Others Reactors thermophilic Various methods and equipments |
| title | Thermophilic biotrickling filtration of a mixture of isobutyraldehyde and 2-pentanone |
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