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Catalytic fast pyrolysis of pine wood: effect of successive catalyst regeneration

Güray Yildiz, Tom Lathouwers, Hilal Ezgi Toraman, Kevin Van Geem UGent, Guy Marin UGent, Frederik Ronsse UGent, Ruben van Duren, Sascha RA Kersten and Wolter Prins UGent (2014) ENERGY & FUELS. 28(7). p.4560-4572
abstract
The main product of biomass fast pyrolysis is a liquid mixture of numerous organic molecules with water that is usually called pyrolysis oil or bio-oil. The research discussed in this paper was meant 1) to validate a new, semi-continuously operated pyrolysis set-up and 2) to investigate the effect of a repeatedly regenerated ZSM-5 based catalyst (eight reaction/regeneration cycles in total) on the yields and compositions of the pyrolysis products in relation to the applied process conditions and on the catalyst itself. The reliability of the set-up has been proven by multiple repetition of non-catalytic and catalytic (in-situ) pyrolysis experiments for pine wood at 500 oC under identical conditions. As a result, the mass balance closures for all experiments varied from 92 to 99 wt.% while the scatter in measured data was always less than 5%. Changes in the performance of the repeatedly regenerated catalyst have been observed via detailed analysis of the bio-oil (GC×GC-FID and GC×GC-TOF-MS, Karl-Fischer), the non-condensable gases (micro-GC) and the carbonaceous solids (elemental analyser, BET surface area). Along the reaction/regeneration sequence, the yield of organics increased, while water, carbonaceous solids and non-condensable gases decreased. Trends in pyrolysis product yields converging to that of non-catalytic levels were observed, which revealed that the influence of the catalyst slowly declined. The main observation was that the catalyst partially loses its activity in terms of the product distribution along the reaction/regeneration sequence, while retaining sufficient activity in producing the target chemical compounds.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
successive catalyst regeneration, Catalytic fast pyrolysis, pyrolysis product analysis, HZSM-5, FUELS, CHEMICALS, CONVERSION, DEACTIVATION, BIO-OILS, ZEOLITE, FLUIDIZED-BED REACTOR, 2-DIMENSIONAL GAS-CHROMATOGRAPHY, ZSM-5, BIOMASS PYROLYSIS, coke on catalyst, lignocellulosic biomass
journal title
ENERGY & FUELS
Energy Fuels
volume
28
issue
7
pages
4560 - 4572
Web of Science type
Article
Web of Science id
000339368500040
JCR category
ENGINEERING, CHEMICAL
JCR impact factor
2.79 (2014)
JCR rank
21/135 (2014)
JCR quartile
1 (2014)
ISSN
0887-0624
DOI
10.1021/ef500636c
project
Biotechnology for a sustainable economy (Bio-Economy)
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
4410471
handle
http://hdl.handle.net/1854/LU-4410471
date created
2014-06-06 11:51:35
date last changed
2017-03-09 12:47:39
@article{4410471,
  abstract     = {The main product of biomass fast pyrolysis is a liquid mixture of numerous organic molecules with water that is usually called pyrolysis oil or bio-oil. The research discussed in this paper was meant 1) to validate a new, semi-continuously operated pyrolysis set-up and 2) to investigate the effect of a repeatedly regenerated ZSM-5 based catalyst (eight reaction/regeneration cycles in total) on the yields and compositions of the pyrolysis products in relation to the applied process conditions and on the catalyst itself. The reliability of the set-up has been proven by multiple repetition of non-catalytic and catalytic (in-situ) pyrolysis experiments for pine wood at 500 oC under identical conditions. As a result, the mass balance closures for all experiments varied from 92 to 99 wt.\% while the scatter in measured data was always less than 5\%. Changes in the performance of the repeatedly regenerated catalyst have been observed via detailed analysis of the bio-oil (GC{\texttimes}GC-FID and GC{\texttimes}GC-TOF-MS, Karl-Fischer), the non-condensable gases (micro-GC) and the carbonaceous solids (elemental analyser, BET surface area). Along the reaction/regeneration sequence, the yield of organics increased, while water, carbonaceous solids and non-condensable gases decreased. Trends in pyrolysis product yields converging to that of non-catalytic levels were observed, which revealed that the influence of the catalyst slowly declined. The main observation was that the catalyst partially loses its activity in terms of the product distribution along the reaction/regeneration sequence, while retaining sufficient activity in producing the target chemical compounds.},
  author       = {Yildiz, G{\"u}ray and Lathouwers, Tom and Toraman, Hilal Ezgi and Van Geem, Kevin and Marin, Guy and Ronsse, Frederik and van Duren, Ruben and Kersten, Sascha RA and Prins, Wolter},
  issn         = {0887-0624},
  journal      = {ENERGY \& FUELS},
  keyword      = {successive catalyst regeneration,Catalytic fast pyrolysis,pyrolysis product analysis,HZSM-5,FUELS,CHEMICALS,CONVERSION,DEACTIVATION,BIO-OILS,ZEOLITE,FLUIDIZED-BED REACTOR,2-DIMENSIONAL GAS-CHROMATOGRAPHY,ZSM-5,BIOMASS PYROLYSIS,coke on catalyst,lignocellulosic biomass},
  language     = {eng},
  number       = {7},
  pages        = {4560--4572},
  title        = {Catalytic fast pyrolysis of pine wood: effect of successive catalyst regeneration},
  url          = {http://dx.doi.org/10.1021/ef500636c},
  volume       = {28},
  year         = {2014},
}

Chicago
Yildiz, Güray, Tom Lathouwers, Hilal Ezgi Toraman, Kevin Van Geem, Guy Marin, Frederik Ronsse, Ruben van Duren, Sascha RA Kersten, and Wolter Prins. 2014. “Catalytic Fast Pyrolysis of Pine Wood: Effect of Successive Catalyst Regeneration.” Energy & Fuels 28 (7): 4560–4572.
APA
Yildiz, Güray, Lathouwers, T., Toraman, H. E., Van Geem, K., Marin, G., Ronsse, F., van Duren, R., et al. (2014). Catalytic fast pyrolysis of pine wood: effect of successive catalyst regeneration. ENERGY & FUELS, 28(7), 4560–4572.
Vancouver
1.
Yildiz G, Lathouwers T, Toraman HE, Van Geem K, Marin G, Ronsse F, et al. Catalytic fast pyrolysis of pine wood: effect of successive catalyst regeneration. ENERGY & FUELS. 2014;28(7):4560–72.
MLA
Yildiz, Güray, Tom Lathouwers, Hilal Ezgi Toraman, et al. “Catalytic Fast Pyrolysis of Pine Wood: Effect of Successive Catalyst Regeneration.” ENERGY & FUELS 28.7 (2014): 4560–4572. Print.