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Title: Catalytic Upgrading of Biomass Pyrolysis Oxygenates with Vacuum Gas Oil Using a Davison Circulating Riser Reactor

Abstract

We investigate and quantitate the changes in hydrocarbon product composition while evaluating the performance and operability of the National Renewable Energy Laboratory's Davison Circulating Riser (DCR) reactor system when biomass model compounds are cofed with traditional fluid catalyst cracking (FCC) feeds and catalyst: vacuum gas oil (VGO) and equilibrium zeolite catalyst (E-Cat). Three compounds (acetic acid, guaiacol, and sorbitan monooleate) were selected to represent the major classes of oxygenates present in biomass pyrolysis vapors. These vapors can contain 30-50% oxygen as oxygenates, which create conversion complications (increased reactivity and coking) when integrating biomass vapors and liquids into fuel and chemical processes long dominated by petroleum feedstocks. We used these model compounds to determine the appropriate conditions for coprocessing with petroleum and ultimately pure pyrolysis vapors only as compared with standard baseline conditions obtained with VGO and E-Cat only in the DCR. Model compound addition decreased the DCR catalyst circulation rate, which controls reactor temperature and measures reaction heat demand, while increasing catalyst coking rates. Liquid product analyses included 2-dimensional gas chromatography time-of-flight mass spectroscopy (2D GCxGC TOFS), simulated distillation (SIM DIST), 13C NMR, and carbonyl content. Aggregated results indicated that the model compounds were converted during reaction, and despite functionalmore » group differences, product distributions for each model compound were very similar. In addition, we determined that adding model compounds to the VGO feed did not significantly affect the DCR's operability or performance. Future work will assess catalytic upgrading of biomass pyrolysis vapor to fungible hydrocarbon products using upgrading catalysts currently being developed at NREL and at Johnson Matthey.« less

Authors:
ORCiD logo [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1]; ORCiD logo [1]; ORCiD logo [1]
  1. National Bioenergy Center, National Renewable Energy Laboratory, 15523 Denver West Parkway, Golden, Colorado 80401, United States
Publication Date:
Research Org.:
National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Office of Sustainable Transportation. Bioenergy Technologies Office (BETO); USDOE Office of Energy Efficiency and Renewable Energy (EERE), Sustainable Transportation Office. Bioenergy Technologies Office (BETO)
OSTI Identifier:
1424825
Alternate Identifier(s):
OSTI ID: 1422870; OSTI ID: 1508564
Report Number(s):
NREL/JA-5100-64865
Journal ID: ISSN 0887-0624
Grant/Contract Number:  
AC36-08GO28308
Resource Type:
Journal Article: Published Article
Journal Name:
Energy and Fuels
Additional Journal Information:
Journal Name: Energy and Fuels Journal Volume: 32 Journal Issue: 2; Journal ID: ISSN 0887-0624
Publisher:
American Chemical Society
Country of Publication:
United States
Language:
English
Subject:
09 BIOMASS FUELS; Davison Circulating Riser; reactor system; biomass compounds; fluid catalysts

Citation Formats

Jarvis, Mark W., Olstad, Jessica, Parent, Yves, Deutch, Steve, Iisa, Kristiina, Christensen, Earl, Ben, Haoxi, Black, Stuart, Nimlos, Mark, and Magrini, Kim. Catalytic Upgrading of Biomass Pyrolysis Oxygenates with Vacuum Gas Oil Using a Davison Circulating Riser Reactor. United States: N. p., 2018. Web. doi:10.1021/acs.energyfuels.7b02337.
Jarvis, Mark W., Olstad, Jessica, Parent, Yves, Deutch, Steve, Iisa, Kristiina, Christensen, Earl, Ben, Haoxi, Black, Stuart, Nimlos, Mark, & Magrini, Kim. Catalytic Upgrading of Biomass Pyrolysis Oxygenates with Vacuum Gas Oil Using a Davison Circulating Riser Reactor. United States. https://doi.org/10.1021/acs.energyfuels.7b02337
Jarvis, Mark W., Olstad, Jessica, Parent, Yves, Deutch, Steve, Iisa, Kristiina, Christensen, Earl, Ben, Haoxi, Black, Stuart, Nimlos, Mark, and Magrini, Kim. 2018. "Catalytic Upgrading of Biomass Pyrolysis Oxygenates with Vacuum Gas Oil Using a Davison Circulating Riser Reactor". United States. https://doi.org/10.1021/acs.energyfuels.7b02337.
@article{osti_1424825,
title = {Catalytic Upgrading of Biomass Pyrolysis Oxygenates with Vacuum Gas Oil Using a Davison Circulating Riser Reactor},
author = {Jarvis, Mark W. and Olstad, Jessica and Parent, Yves and Deutch, Steve and Iisa, Kristiina and Christensen, Earl and Ben, Haoxi and Black, Stuart and Nimlos, Mark and Magrini, Kim},
abstractNote = {We investigate and quantitate the changes in hydrocarbon product composition while evaluating the performance and operability of the National Renewable Energy Laboratory's Davison Circulating Riser (DCR) reactor system when biomass model compounds are cofed with traditional fluid catalyst cracking (FCC) feeds and catalyst: vacuum gas oil (VGO) and equilibrium zeolite catalyst (E-Cat). Three compounds (acetic acid, guaiacol, and sorbitan monooleate) were selected to represent the major classes of oxygenates present in biomass pyrolysis vapors. These vapors can contain 30-50% oxygen as oxygenates, which create conversion complications (increased reactivity and coking) when integrating biomass vapors and liquids into fuel and chemical processes long dominated by petroleum feedstocks. We used these model compounds to determine the appropriate conditions for coprocessing with petroleum and ultimately pure pyrolysis vapors only as compared with standard baseline conditions obtained with VGO and E-Cat only in the DCR. Model compound addition decreased the DCR catalyst circulation rate, which controls reactor temperature and measures reaction heat demand, while increasing catalyst coking rates. Liquid product analyses included 2-dimensional gas chromatography time-of-flight mass spectroscopy (2D GCxGC TOFS), simulated distillation (SIM DIST), 13C NMR, and carbonyl content. Aggregated results indicated that the model compounds were converted during reaction, and despite functional group differences, product distributions for each model compound were very similar. In addition, we determined that adding model compounds to the VGO feed did not significantly affect the DCR's operability or performance. Future work will assess catalytic upgrading of biomass pyrolysis vapor to fungible hydrocarbon products using upgrading catalysts currently being developed at NREL and at Johnson Matthey.},
doi = {10.1021/acs.energyfuels.7b02337},
url = {https://www.osti.gov/biblio/1424825}, journal = {Energy and Fuels},
issn = {0887-0624},
number = 2,
volume = 32,
place = {United States},
year = {Tue Jan 02 00:00:00 EST 2018},
month = {Tue Jan 02 00:00:00 EST 2018}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record at https://doi.org/10.1021/acs.energyfuels.7b02337

Citation Metrics:
Cited by: 15 works
Citation information provided by
Web of Science

Figures / Tables:

Table 1 Table 1: E-Cat Properties and Metals Content

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Works referenced in this record:

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