Optimization of a free-fall reactor for the production of fast pyrolysis bio-oil
► A novel, 1kg/h free-fall reactor is designed for bio-oil production. ► We investigated and modeled yields from the biomass fast pyrolysis reactor. ► Response surface methodology was used to identify optimal conditions for bio-oil. ► We examined heater temperature, gas flow rate, biomass particle s...
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| Veröffentlicht in: | Bioresource technology 2012-01, Vol.103 (1), p.374-380 |
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| creator | Ellens, C.J. Brown, R.C. |
| description | ► A novel, 1kg/h free-fall reactor is designed for bio-oil production. ► We investigated and modeled yields from the biomass fast pyrolysis reactor. ► Response surface methodology was used to identify optimal conditions for bio-oil. ► We examined heater temperature, gas flow rate, biomass particle size and feed rate. ► Liquid yields greater than 70wt.% were achieved with minimal sweep gas flow.
A central composite design of experiments was performed to optimize a free-fall reactor for the production of bio-oil from red oak biomass. The effects of four experimental variables including heater set-point temperature, biomass particle size, sweep gas flow rate and biomass feed rate were studied. Heater set-point temperature ranged from 450 to 650°C, average biomass particle size from 200 to 600μm, sweep gas flow rate from 1 to 5sL/min and biomass feed rate from 1 to 2kg/h. Optimal operating conditions yielding over 70wt.% bio-oil were identified at a heater set-point temperature of 575°C, while feeding red oak biomass sized less than 300μm at 2kg/h into the 0.021m diameter, 1.8m tall reactor. Sweep gas flow rate did not have significant effect on bio-oil yield over the range tested. |
| doi_str_mv | 10.1016/j.biortech.2011.09.087 |
| format | Article |
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A central composite design of experiments was performed to optimize a free-fall reactor for the production of bio-oil from red oak biomass. The effects of four experimental variables including heater set-point temperature, biomass particle size, sweep gas flow rate and biomass feed rate were studied. Heater set-point temperature ranged from 450 to 650°C, average biomass particle size from 200 to 600μm, sweep gas flow rate from 1 to 5sL/min and biomass feed rate from 1 to 2kg/h. Optimal operating conditions yielding over 70wt.% bio-oil were identified at a heater set-point temperature of 575°C, while feeding red oak biomass sized less than 300μm at 2kg/h into the 0.021m diameter, 1.8m tall reactor. Sweep gas flow rate did not have significant effect on bio-oil yield over the range tested.</description><identifier>ISSN: 0960-8524</identifier><identifier>EISSN: 1873-2976</identifier><identifier>DOI: 10.1016/j.biortech.2011.09.087</identifier><identifier>PMID: 22036914</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Bio-oil ; Biological and medical sciences ; Biomass ; Bioreactors ; Biotechnology - instrumentation ; Biotechnology - methods ; Fast pyrolysis ; Feed rate ; Free-fall reactor ; Fundamental and applied biological sciences. Psychology ; Gas flow ; Gases ; Heaters ; Heating equipment ; Models, Chemical ; Optimization ; Particle Size ; Plant Oils - metabolism ; Quercus - chemistry ; Reactors ; Rheology ; Temperature</subject><ispartof>Bioresource technology, 2012-01, Vol.103 (1), p.374-380</ispartof><rights>2011 Elsevier Ltd</rights><rights>2015 INIST-CNRS</rights><rights>Copyright © 2011 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c462t-e455097d36f1fbb28e57a95b52310feca27e2b73bf2e9a5bdc075abe886d2a783</citedby><cites>FETCH-LOGICAL-c462t-e455097d36f1fbb28e57a95b52310feca27e2b73bf2e9a5bdc075abe886d2a783</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.biortech.2011.09.087$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>315,782,786,3554,4028,27932,27933,27934,46004</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=25250650$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22036914$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ellens, C.J.</creatorcontrib><creatorcontrib>Brown, R.C.</creatorcontrib><title>Optimization of a free-fall reactor for the production of fast pyrolysis bio-oil</title><title>Bioresource technology</title><addtitle>Bioresour Technol</addtitle><description>► A novel, 1kg/h free-fall reactor is designed for bio-oil production. ► We investigated and modeled yields from the biomass fast pyrolysis reactor. ► Response surface methodology was used to identify optimal conditions for bio-oil. ► We examined heater temperature, gas flow rate, biomass particle size and feed rate. ► Liquid yields greater than 70wt.% were achieved with minimal sweep gas flow.
A central composite design of experiments was performed to optimize a free-fall reactor for the production of bio-oil from red oak biomass. The effects of four experimental variables including heater set-point temperature, biomass particle size, sweep gas flow rate and biomass feed rate were studied. Heater set-point temperature ranged from 450 to 650°C, average biomass particle size from 200 to 600μm, sweep gas flow rate from 1 to 5sL/min and biomass feed rate from 1 to 2kg/h. Optimal operating conditions yielding over 70wt.% bio-oil were identified at a heater set-point temperature of 575°C, while feeding red oak biomass sized less than 300μm at 2kg/h into the 0.021m diameter, 1.8m tall reactor. Sweep gas flow rate did not have significant effect on bio-oil yield over the range tested.</description><subject>Bio-oil</subject><subject>Biological and medical sciences</subject><subject>Biomass</subject><subject>Bioreactors</subject><subject>Biotechnology - instrumentation</subject><subject>Biotechnology - methods</subject><subject>Fast pyrolysis</subject><subject>Feed rate</subject><subject>Free-fall reactor</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Gas flow</subject><subject>Gases</subject><subject>Heaters</subject><subject>Heating equipment</subject><subject>Models, Chemical</subject><subject>Optimization</subject><subject>Particle Size</subject><subject>Plant Oils - metabolism</subject><subject>Quercus - chemistry</subject><subject>Reactors</subject><subject>Rheology</subject><subject>Temperature</subject><issn>0960-8524</issn><issn>1873-2976</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqF0U-PEyEYBnBiNG5d_QqbuRi9zPgCAww3zcZ_ySbrQc8EmJcszbRUoCb100vTVm_ugXD5vfDkfQi5oTBQoPLdenAx5Yr-YWBA6QB6gEk9ISs6Kd4zreRTsgItoZ8EG6_Ii1LWAMCpYs_JFWPApabjiny739W4ib9tjWnbpdDZLmTEPthl6TJaX1PuQjv1AbtdTvPeX2SwpXa7Q07LocTStTx9istL8qzNFnx1vq_Jj08fv99-6e_uP3-9_XDX-1Gy2uMoBGg1cxlocI5NKJTVwgnGKQT0lilkTnEXGGor3OxBCetwmuTMrJr4NXlzereF-rnHUs0mFo_LYreY9sVoSqkcgYvHJQgtOWdjk2__K6lSqoVW05HKE_U5lZIxmF2OG5sPhoI5NmTW5tKQOTZkQJvWUBu8Of-xdxuc_45dKmng9RnY4u0Sst36WP45wQRIAc29PzlsW_4VMZviI249zjGjr2ZO8bEsfwBcP7IX</recordid><startdate>201201</startdate><enddate>201201</enddate><creator>Ellens, C.J.</creator><creator>Brown, R.C.</creator><general>Elsevier Ltd</general><general>Elsevier</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>7SU</scope><scope>7TB</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>KR7</scope><scope>7X8</scope><scope>7QO</scope><scope>7ST</scope><scope>P64</scope><scope>SOI</scope></search><sort><creationdate>201201</creationdate><title>Optimization of a free-fall reactor for the production of fast pyrolysis bio-oil</title><author>Ellens, C.J. ; Brown, R.C.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c462t-e455097d36f1fbb28e57a95b52310feca27e2b73bf2e9a5bdc075abe886d2a783</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Bio-oil</topic><topic>Biological and medical sciences</topic><topic>Biomass</topic><topic>Bioreactors</topic><topic>Biotechnology - instrumentation</topic><topic>Biotechnology - methods</topic><topic>Fast pyrolysis</topic><topic>Feed rate</topic><topic>Free-fall reactor</topic><topic>Fundamental and applied biological sciences. 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A central composite design of experiments was performed to optimize a free-fall reactor for the production of bio-oil from red oak biomass. The effects of four experimental variables including heater set-point temperature, biomass particle size, sweep gas flow rate and biomass feed rate were studied. Heater set-point temperature ranged from 450 to 650°C, average biomass particle size from 200 to 600μm, sweep gas flow rate from 1 to 5sL/min and biomass feed rate from 1 to 2kg/h. Optimal operating conditions yielding over 70wt.% bio-oil were identified at a heater set-point temperature of 575°C, while feeding red oak biomass sized less than 300μm at 2kg/h into the 0.021m diameter, 1.8m tall reactor. Sweep gas flow rate did not have significant effect on bio-oil yield over the range tested.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><pmid>22036914</pmid><doi>10.1016/j.biortech.2011.09.087</doi><tpages>7</tpages></addata></record> |
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| ispartof | Bioresource technology, 2012-01, Vol.103 (1), p.374-380 |
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| source | MEDLINE; Access via ScienceDirect (Elsevier) |
| subjects | Bio-oil Biological and medical sciences Biomass Bioreactors Biotechnology - instrumentation Biotechnology - methods Fast pyrolysis Feed rate Free-fall reactor Fundamental and applied biological sciences. Psychology Gas flow Gases Heaters Heating equipment Models, Chemical Optimization Particle Size Plant Oils - metabolism Quercus - chemistry Reactors Rheology Temperature |
| title | Optimization of a free-fall reactor for the production of fast pyrolysis bio-oil |
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