Biological removal of polychlorinated dibenzo- p-dioxins from incinerator fly ash by Sphingomonas wittichii RW1
The ability of Sphingomonas wittichii strain RW1 to remove polychlorinated dibenzo- p-dioxins (PCDDs) from fly ash was investigated. All experiments were carried out in a slurry-phase system. Preliminary studies with resting cells of strain RW1 in a model fly ash system showed the complete removal o...
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| Veröffentlicht in: | Water research (Oxford) 2005-11, Vol.39 (19), p.4651-4660 |
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| creator | Nam, In-Hyun Hong, Hyo-Bong Kim, Young-Mo Kim, Byung-Hoon Murugesan, Kumarasamy Chang, Yoon-Seok |
| description | The ability of
Sphingomonas wittichii strain RW1 to remove polychlorinated dibenzo-
p-dioxins (PCDDs) from fly ash was investigated. All experiments were carried out in a slurry-phase system. Preliminary studies with resting cells of strain RW1 in a model fly ash system showed the complete removal of dibenzofuran (DF) and 81% of dibenzo-
p-dioxin (DD). Incubation of real fly ash collected from municipal waste incinerators with strain RW1 for 15 days resulted in a 75.5% reduction in toxic PCDDs. When the same experiment was carried out using dead strain RW1 cells a 20.2% reduction in toxic PCDDs was observed, indicating that adsorption onto biomass was an important factor in dioxin elimination. Further analyses revealed that live strain RW1 cells removed 83.8% of the 2,3,7,8-substituted congeners from the fly ash, while dead cells removed 32.1% of the same congeners. To enhance the removal efficiency of toxic PCDDs, the effects of adding surfactant, repeated inoculation, and pre-adaptation of cultures were also studied. The removal of toxic PCDDs was enhanced by up to 10.3% upon repeated inoculation of the strain RW1, but was not much affected by the addition of surfactant. The present results suggest that
S. wittichii strain RW1 is a potential candidate for the industrial removal of PCDDs from incinerator fly ash. |
| doi_str_mv | 10.1016/j.watres.2005.09.009 |
| format | Article |
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Sphingomonas wittichii strain RW1 to remove polychlorinated dibenzo-
p-dioxins (PCDDs) from fly ash was investigated. All experiments were carried out in a slurry-phase system. Preliminary studies with resting cells of strain RW1 in a model fly ash system showed the complete removal of dibenzofuran (DF) and 81% of dibenzo-
p-dioxin (DD). Incubation of real fly ash collected from municipal waste incinerators with strain RW1 for 15 days resulted in a 75.5% reduction in toxic PCDDs. When the same experiment was carried out using dead strain RW1 cells a 20.2% reduction in toxic PCDDs was observed, indicating that adsorption onto biomass was an important factor in dioxin elimination. Further analyses revealed that live strain RW1 cells removed 83.8% of the 2,3,7,8-substituted congeners from the fly ash, while dead cells removed 32.1% of the same congeners. To enhance the removal efficiency of toxic PCDDs, the effects of adding surfactant, repeated inoculation, and pre-adaptation of cultures were also studied. The removal of toxic PCDDs was enhanced by up to 10.3% upon repeated inoculation of the strain RW1, but was not much affected by the addition of surfactant. The present results suggest that
S. wittichii strain RW1 is a potential candidate for the industrial removal of PCDDs from incinerator fly ash.</description><identifier>ISSN: 0043-1354</identifier><identifier>EISSN: 1879-2448</identifier><identifier>DOI: 10.1016/j.watres.2005.09.009</identifier><identifier>PMID: 16256169</identifier><identifier>CODEN: WATRAG</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Air Microbiology ; Air Pollutants - isolation & purification ; Applied sciences ; Bioaugmentation ; Biodegradation, Environmental ; Biological removal ; Carbon - chemistry ; Coal Ash ; Exact sciences and technology ; Fly ash ; Incineration ; Other industrial wastes. Sewage sludge ; Particulate Matter ; Pollution ; Polychlorinated Dibenzodioxins - analogs & derivatives ; Polychlorinated Dibenzodioxins - isolation & purification ; Polychlorinated Dibenzodioxins - metabolism ; Polychlrorinated dibenzo- p-dioxins ; Sphingomonas - metabolism ; Sphingomonas wittichii ; Sphingomonas wittichii RW1 ; Time Factors ; Wastes ; Water treatment and pollution</subject><ispartof>Water research (Oxford), 2005-11, Vol.39 (19), p.4651-4660</ispartof><rights>2005 Elsevier Ltd</rights><rights>2006 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c421t-cb344f7151fca9625fa234e69cc75517bd33d7323aa944791250dcaf423a0b2e3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.watres.2005.09.009$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17742062$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16256169$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Nam, In-Hyun</creatorcontrib><creatorcontrib>Hong, Hyo-Bong</creatorcontrib><creatorcontrib>Kim, Young-Mo</creatorcontrib><creatorcontrib>Kim, Byung-Hoon</creatorcontrib><creatorcontrib>Murugesan, Kumarasamy</creatorcontrib><creatorcontrib>Chang, Yoon-Seok</creatorcontrib><title>Biological removal of polychlorinated dibenzo- p-dioxins from incinerator fly ash by Sphingomonas wittichii RW1</title><title>Water research (Oxford)</title><addtitle>Water Res</addtitle><description>The ability of
Sphingomonas wittichii strain RW1 to remove polychlorinated dibenzo-
p-dioxins (PCDDs) from fly ash was investigated. All experiments were carried out in a slurry-phase system. Preliminary studies with resting cells of strain RW1 in a model fly ash system showed the complete removal of dibenzofuran (DF) and 81% of dibenzo-
p-dioxin (DD). Incubation of real fly ash collected from municipal waste incinerators with strain RW1 for 15 days resulted in a 75.5% reduction in toxic PCDDs. When the same experiment was carried out using dead strain RW1 cells a 20.2% reduction in toxic PCDDs was observed, indicating that adsorption onto biomass was an important factor in dioxin elimination. Further analyses revealed that live strain RW1 cells removed 83.8% of the 2,3,7,8-substituted congeners from the fly ash, while dead cells removed 32.1% of the same congeners. To enhance the removal efficiency of toxic PCDDs, the effects of adding surfactant, repeated inoculation, and pre-adaptation of cultures were also studied. The removal of toxic PCDDs was enhanced by up to 10.3% upon repeated inoculation of the strain RW1, but was not much affected by the addition of surfactant. The present results suggest that
S. wittichii strain RW1 is a potential candidate for the industrial removal of PCDDs from incinerator fly ash.</description><subject>Air Microbiology</subject><subject>Air Pollutants - isolation & purification</subject><subject>Applied sciences</subject><subject>Bioaugmentation</subject><subject>Biodegradation, Environmental</subject><subject>Biological removal</subject><subject>Carbon - chemistry</subject><subject>Coal Ash</subject><subject>Exact sciences and technology</subject><subject>Fly ash</subject><subject>Incineration</subject><subject>Other industrial wastes. Sewage sludge</subject><subject>Particulate Matter</subject><subject>Pollution</subject><subject>Polychlorinated Dibenzodioxins - analogs & derivatives</subject><subject>Polychlorinated Dibenzodioxins - isolation & purification</subject><subject>Polychlorinated Dibenzodioxins - metabolism</subject><subject>Polychlrorinated dibenzo- p-dioxins</subject><subject>Sphingomonas - metabolism</subject><subject>Sphingomonas wittichii</subject><subject>Sphingomonas wittichii RW1</subject><subject>Time Factors</subject><subject>Wastes</subject><subject>Water treatment and pollution</subject><issn>0043-1354</issn><issn>1879-2448</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kF1rFDEUhoModlv9ByK50buZnnzMzOZGsEWrUChUxcuQySTds8wkYzLbuv56U3ahd7164fC8L4eHkHcMagasPd_WD2ZJLtccoKlB1QDqBVmxdacqLuX6JVkBSFEx0cgTcprzFgA4F-o1OWEtb1rWqhWJFxjHeIfWjDS5Kd6XjJ7OcdzbzRgTBrO4gQ7Yu_AvVnSuBox_MWTqU5woBovBJbPERP24pyZvaL-nP-YNhrs4xWAyfcBlQbtBpLe_2Rvyypsxu7fHPCO_vn75efmtur65-n75-bqykrOlsr2Q0nesYd4aVb71hgvpWmVt1zSs6wchhk5wYYySslOMNzBY42W5QM-dOCMfD7tzin92Li96wmzdOJrg4i5rptayVdAWUB5Am2LOyXk9J5xM2msG-lG03uqDaP0oWoPSRXSpvT_u7_rJDU-lo9kCfDgCJhe5PpmiKj9xXSc5tLxwnw6cKzbu0SWdLbpg3YDJ2UUPEZ__5D9gyZ9u</recordid><startdate>20051101</startdate><enddate>20051101</enddate><creator>Nam, In-Hyun</creator><creator>Hong, Hyo-Bong</creator><creator>Kim, Young-Mo</creator><creator>Kim, Byung-Hoon</creator><creator>Murugesan, Kumarasamy</creator><creator>Chang, Yoon-Seok</creator><general>Elsevier Ltd</general><general>Elsevier Science</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7T7</scope><scope>7TV</scope><scope>7U7</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H96</scope><scope>L.G</scope><scope>P64</scope></search><sort><creationdate>20051101</creationdate><title>Biological removal of polychlorinated dibenzo- p-dioxins from incinerator fly ash by Sphingomonas wittichii RW1</title><author>Nam, In-Hyun ; Hong, Hyo-Bong ; Kim, Young-Mo ; Kim, Byung-Hoon ; Murugesan, Kumarasamy ; Chang, Yoon-Seok</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c421t-cb344f7151fca9625fa234e69cc75517bd33d7323aa944791250dcaf423a0b2e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Air Microbiology</topic><topic>Air Pollutants - isolation & purification</topic><topic>Applied sciences</topic><topic>Bioaugmentation</topic><topic>Biodegradation, Environmental</topic><topic>Biological removal</topic><topic>Carbon - chemistry</topic><topic>Coal Ash</topic><topic>Exact sciences and technology</topic><topic>Fly ash</topic><topic>Incineration</topic><topic>Other industrial wastes. 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Sphingomonas wittichii strain RW1 to remove polychlorinated dibenzo-
p-dioxins (PCDDs) from fly ash was investigated. All experiments were carried out in a slurry-phase system. Preliminary studies with resting cells of strain RW1 in a model fly ash system showed the complete removal of dibenzofuran (DF) and 81% of dibenzo-
p-dioxin (DD). Incubation of real fly ash collected from municipal waste incinerators with strain RW1 for 15 days resulted in a 75.5% reduction in toxic PCDDs. When the same experiment was carried out using dead strain RW1 cells a 20.2% reduction in toxic PCDDs was observed, indicating that adsorption onto biomass was an important factor in dioxin elimination. Further analyses revealed that live strain RW1 cells removed 83.8% of the 2,3,7,8-substituted congeners from the fly ash, while dead cells removed 32.1% of the same congeners. To enhance the removal efficiency of toxic PCDDs, the effects of adding surfactant, repeated inoculation, and pre-adaptation of cultures were also studied. The removal of toxic PCDDs was enhanced by up to 10.3% upon repeated inoculation of the strain RW1, but was not much affected by the addition of surfactant. The present results suggest that
S. wittichii strain RW1 is a potential candidate for the industrial removal of PCDDs from incinerator fly ash.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><pmid>16256169</pmid><doi>10.1016/j.watres.2005.09.009</doi><tpages>10</tpages></addata></record> |
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| ispartof | Water research (Oxford), 2005-11, Vol.39 (19), p.4651-4660 |
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| source | MEDLINE; ScienceDirect Journals (5 years ago - present) |
| subjects | Air Microbiology Air Pollutants - isolation & purification Applied sciences Bioaugmentation Biodegradation, Environmental Biological removal Carbon - chemistry Coal Ash Exact sciences and technology Fly ash Incineration Other industrial wastes. Sewage sludge Particulate Matter Pollution Polychlorinated Dibenzodioxins - analogs & derivatives Polychlorinated Dibenzodioxins - isolation & purification Polychlorinated Dibenzodioxins - metabolism Polychlrorinated dibenzo- p-dioxins Sphingomonas - metabolism Sphingomonas wittichii Sphingomonas wittichii RW1 Time Factors Wastes Water treatment and pollution |
| title | Biological removal of polychlorinated dibenzo- p-dioxins from incinerator fly ash by Sphingomonas wittichii RW1 |
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