Investigation of furfural biodegradation in a continuous inflow cyclic biological reactor
The performance of a continuous inflow cyclic biological reactor (CBR) containing moving media was investigated for the degradation of high concentrations of furfural. The effects of hydraulic retention time (HRT) and furfural initial concentrations (loading rate), as main operating parameters, on t...
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| Veröffentlicht in: | Water science and technology 2016-01, Vol.73 (2), p.292-301 |
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| creator | Moussavi, Gholamreza Leili, Mostafa Nadafi, Kazem |
| description | The performance of a continuous inflow cyclic biological reactor (CBR) containing moving media was investigated for the degradation of high concentrations of furfural. The effects of hydraulic retention time (HRT) and furfural initial concentrations (loading rate), as main operating parameters, on the bioreactor performance were studied. The results indicated that the CBR could remove over 98% of furfural and 71% of its chemical oxygen demand (COD) at inlet furfural concentrations up to 1,200 mg L(-1) (2.38 g L(-1) d(-1)), a 6-h cycle time and HRT of 12.1 h. The removal efficiency decreased slightly from 98 to 94% when HRT decreased from 12.1 to 10.5 h. The average removal efficiency of furfural and COD during the 345-day operational period under steady-state conditions were 97.7% and 82.1%, respectively. The efficiency also increased approximately 17.2% after addition of synthetic polyurethane cubes as moving media at a filling ratio of 10%. |
| doi_str_mv | 10.2166/wst.2015.488 |
| format | Article |
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The effects of hydraulic retention time (HRT) and furfural initial concentrations (loading rate), as main operating parameters, on the bioreactor performance were studied. The results indicated that the CBR could remove over 98% of furfural and 71% of its chemical oxygen demand (COD) at inlet furfural concentrations up to 1,200 mg L(-1) (2.38 g L(-1) d(-1)), a 6-h cycle time and HRT of 12.1 h. The removal efficiency decreased slightly from 98 to 94% when HRT decreased from 12.1 to 10.5 h. The average removal efficiency of furfural and COD during the 345-day operational period under steady-state conditions were 97.7% and 82.1%, respectively. The efficiency also increased approximately 17.2% after addition of synthetic polyurethane cubes as moving media at a filling ratio of 10%.</description><identifier>ISSN: 0273-1223</identifier><identifier>EISSN: 1996-9732</identifier><identifier>DOI: 10.2166/wst.2015.488</identifier><identifier>PMID: 26819384</identifier><language>eng</language><publisher>England: IWA Publishing</publisher><subject>Activated carbon ; Alcohol ; Aqueous solutions ; Biodegradation ; Biodegradation, Environmental ; Biological Oxygen Demand Analysis ; Bioreactors ; Chemical engineering ; Chemical oxygen demand ; Cubes ; Cycle time ; Efficiency ; Ethanol ; Furaldehyde - metabolism ; Furfural ; Hydraulic retention time ; Inflow ; Inlets (waterways) ; Investigations ; Load distribution ; Loading rate ; Oxygen demand ; Phenols ; Polyurethane ; Polyurethane resins ; Reactors ; Removal ; Retention time ; Water Pollutants, Chemical - metabolism ; Yeast</subject><ispartof>Water science and technology, 2016-01, Vol.73 (2), p.292-301</ispartof><rights>Copyright IWA Publishing Jan 2016</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c390t-2d25692603c49efb28fcbaffdf503ea2f7bbcea5be643152e9bf0e49c298a9103</citedby><cites>FETCH-LOGICAL-c390t-2d25692603c49efb28fcbaffdf503ea2f7bbcea5be643152e9bf0e49c298a9103</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/26819384$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Moussavi, Gholamreza</creatorcontrib><creatorcontrib>Leili, Mostafa</creatorcontrib><creatorcontrib>Nadafi, Kazem</creatorcontrib><title>Investigation of furfural biodegradation in a continuous inflow cyclic biological reactor</title><title>Water science and technology</title><addtitle>Water Sci Technol</addtitle><description>The performance of a continuous inflow cyclic biological reactor (CBR) containing moving media was investigated for the degradation of high concentrations of furfural. The effects of hydraulic retention time (HRT) and furfural initial concentrations (loading rate), as main operating parameters, on the bioreactor performance were studied. The results indicated that the CBR could remove over 98% of furfural and 71% of its chemical oxygen demand (COD) at inlet furfural concentrations up to 1,200 mg L(-1) (2.38 g L(-1) d(-1)), a 6-h cycle time and HRT of 12.1 h. The removal efficiency decreased slightly from 98 to 94% when HRT decreased from 12.1 to 10.5 h. The average removal efficiency of furfural and COD during the 345-day operational period under steady-state conditions were 97.7% and 82.1%, respectively. The efficiency also increased approximately 17.2% after addition of synthetic polyurethane cubes as moving media at a filling ratio of 10%.</description><subject>Activated carbon</subject><subject>Alcohol</subject><subject>Aqueous solutions</subject><subject>Biodegradation</subject><subject>Biodegradation, Environmental</subject><subject>Biological Oxygen Demand Analysis</subject><subject>Bioreactors</subject><subject>Chemical engineering</subject><subject>Chemical oxygen demand</subject><subject>Cubes</subject><subject>Cycle time</subject><subject>Efficiency</subject><subject>Ethanol</subject><subject>Furaldehyde - metabolism</subject><subject>Furfural</subject><subject>Hydraulic retention time</subject><subject>Inflow</subject><subject>Inlets (waterways)</subject><subject>Investigations</subject><subject>Load distribution</subject><subject>Loading rate</subject><subject>Oxygen demand</subject><subject>Phenols</subject><subject>Polyurethane</subject><subject>Polyurethane resins</subject><subject>Reactors</subject><subject>Removal</subject><subject>Retention time</subject><subject>Water Pollutants, Chemical - 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| identifier | ISSN: 0273-1223 |
| ispartof | Water science and technology, 2016-01, Vol.73 (2), p.292-301 |
| issn | 0273-1223 1996-9732 |
| language | eng |
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| source | MEDLINE; EZB-FREE-00999 freely available EZB journals |
| subjects | Activated carbon Alcohol Aqueous solutions Biodegradation Biodegradation, Environmental Biological Oxygen Demand Analysis Bioreactors Chemical engineering Chemical oxygen demand Cubes Cycle time Efficiency Ethanol Furaldehyde - metabolism Furfural Hydraulic retention time Inflow Inlets (waterways) Investigations Load distribution Loading rate Oxygen demand Phenols Polyurethane Polyurethane resins Reactors Removal Retention time Water Pollutants, Chemical - metabolism Yeast |
| title | Investigation of furfural biodegradation in a continuous inflow cyclic biological reactor |
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