TY - JOUR
T1 - Development of metal-doping mesoporous biochar catalyst for co-valorizing biomass and plastic waste into valuable hydrocarbons, syngas, and carbons
AU - Xu, Ruolan
AU - Yan, Cuiqiang
AU - Liu, Quan
AU - Liu, Erwei
AU - Zhang, Hehu
AU - Zhang, Xiaoxiao
AU - Yuan, Xiangru
AU - Han, Lujia
AU - Lei, Hanwu
AU - Ruan, Roger
AU - Zhang, Xuesong
N1 - Funding Information:
This work was supported by Start-up Funding for High-end Talents of China Agricultural University and Chinese Universities Scientific Fund ( 10092001 ).
Publisher Copyright:
© 2021 Elsevier B.V.
PY - 2022/3
Y1 - 2022/3
N2 - The present study was aimed to explore a cost-effective route to produce metal-doping mesoporous graphite-like catalysts, which utilized metal chlorides (ZnCl2, FeCl3, and NiCl2) to modulate biochar within mesopore-creating, metal-doping, and graphitization simultaneously accomplished in the one-step thermal process. The properties of these as-synthesized catalysts were comprehensively characterized by a sequence of analytic methods (e.g., BET, NH3-TPD, SEM, EDS, TEM, FTIR, XRD, and Raman analysis). The carbon yields and HHV of bio-oils from ex-situ catalytic fast co-pyrolysis of biomass and plastic waste over the as-synthesized catalysts were around 50C% and 43 MJ/kg, respectively. Up to 96% of selectivity toward hydrocarbons when Ni/C was used as the catalyst, of which aromatic hydrocarbons accounted for nearly 40%. On the other hand, Fe/C was in favor of the production of H2 (90 NmL/gfeedstock) and syngas (~133 NmL/gfeedstock), which respectively occupying ~44 vol% and over 64 vol% in the gas; it also favored the generation of carbon nanotubes. Biochar produced from co-pyrolysis showed a high HHV at 28.33 MJ/kg, indicating the high potential as a solid fuel. In addition, the thermal decomposition behaviors and kinetics of biomass and plastic waste over the as-synthesized catalysts were also investigated by thermogravimetric analysis.
AB - The present study was aimed to explore a cost-effective route to produce metal-doping mesoporous graphite-like catalysts, which utilized metal chlorides (ZnCl2, FeCl3, and NiCl2) to modulate biochar within mesopore-creating, metal-doping, and graphitization simultaneously accomplished in the one-step thermal process. The properties of these as-synthesized catalysts were comprehensively characterized by a sequence of analytic methods (e.g., BET, NH3-TPD, SEM, EDS, TEM, FTIR, XRD, and Raman analysis). The carbon yields and HHV of bio-oils from ex-situ catalytic fast co-pyrolysis of biomass and plastic waste over the as-synthesized catalysts were around 50C% and 43 MJ/kg, respectively. Up to 96% of selectivity toward hydrocarbons when Ni/C was used as the catalyst, of which aromatic hydrocarbons accounted for nearly 40%. On the other hand, Fe/C was in favor of the production of H2 (90 NmL/gfeedstock) and syngas (~133 NmL/gfeedstock), which respectively occupying ~44 vol% and over 64 vol% in the gas; it also favored the generation of carbon nanotubes. Biochar produced from co-pyrolysis showed a high HHV at 28.33 MJ/kg, indicating the high potential as a solid fuel. In addition, the thermal decomposition behaviors and kinetics of biomass and plastic waste over the as-synthesized catalysts were also investigated by thermogravimetric analysis.
KW - Aromatic hydrocarbons
KW - Carbon nanotubes
KW - Catalytic fast co-pyrolysis
KW - Metal-doping carbon catalysts
KW - One-step catalyst synthesis
KW - Syngas
UR - http://www.scopus.com/inward/record.url?scp=85120685599&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85120685599&partnerID=8YFLogxK
U2 - 10.1016/j.fuproc.2021.107127
DO - 10.1016/j.fuproc.2021.107127
M3 - Article
AN - SCOPUS:85120685599
SN - 0378-3820
VL - 227
JO - Fuel Processing Technology
JF - Fuel Processing Technology
M1 - 107127
ER -
