Design, optimization and evaluation of a free-fall biomass fast pyrolysis reactor and its products

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dc.contributor.advisor Robert C. Brown
dc.contributor.author Ellens, Cody
dc.contributor.department Mechanical Engineering
dc.date 2018-08-11T14:24:04.000
dc.date.accessioned 2020-06-30T02:33:16Z
dc.date.available 2020-06-30T02:33:16Z
dc.date.copyright Thu Jan 01 00:00:00 UTC 2009
dc.date.embargo 2013-06-05
dc.date.issued 2009-01-01
dc.description.abstract <p>The focus of this work is a radiatively heated, free-fall, fast pyrolysis reactor. The reactor was designed and constructed for the production of bio-oil from the fast pyrolysis of biomass. A central composite design of experiments was performed to evaluate the novel reactor by varying four operating conditions: reactor temperature, biomass particle size, carrier gas flow rate and biomass feed rate. Maximum bio-oil yields of 72 wt % were achieved at a heater set point temperature of 600 yC, using particle sizes of 300 micron, carrier gas flow rates of 4 sL/min and Red oak biomass feed rates of 1.75 kg/hr. Optimal operating conditions were identified for maximum bio-oil yields at a heater set point temperature of 572 ˚C, feeding 240 micron sized Red oak biomass particles at 2 kg/hr. Carrier gas flow rates were not found to be significant over the 1 - 5 sL/min range tested.</p>
dc.format.mimetype application/pdf
dc.identifier archive/lib.dr.iastate.edu/etd/11096/
dc.identifier.articleid 2132
dc.identifier.contextkey 2807330
dc.identifier.doi https://doi.org/10.31274/etd-180810-1492
dc.identifier.s3bucket isulib-bepress-aws-west
dc.identifier.submissionpath etd/11096
dc.identifier.uri https://dr.lib.iastate.edu/handle/20.500.12876/25302
dc.language.iso en
dc.source.bitstream archive/lib.dr.iastate.edu/etd/11096/Ellens_iastate_0097M_10917.pdf|||Fri Jan 14 18:41:59 UTC 2022
dc.subject.disciplines Mechanical Engineering
dc.subject.keywords Biomass
dc.subject.keywords Bio-oil
dc.subject.keywords Char
dc.subject.keywords Fast pyrolysis
dc.subject.keywords Free-fall reactor
dc.subject.keywords Optimization
dc.title Design, optimization and evaluation of a free-fall biomass fast pyrolysis reactor and its products
dc.type article
dc.type.genre thesis
dspace.entity.type Publication
relation.isOrgUnitOfPublication 6d38ab0f-8cc2-4ad3-90b1-67a60c5a6f59
thesis.degree.level thesis
thesis.degree.name Master of Science
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