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Efficient Conversion of the Lignocellulosic Biomass Waste into 5‑Hydroxymethylfurfural-Enriched Bio-Oil and Co Nanoparticle-Functionalized Biochar
https://orcid.org/0000-0003-1223-0164
https://orcid.org/0000-0002-5696-1180
https://orcid.org/0000-0001-5247-6244
The conversion of lignocellulosic biomass waste into fuels and chemicals can be regarded as a carbon-neutral circular framework, which is particularly appealing for our sustainable society. In this work, we constructed a homogeneous Lewis acid catalytic system using CoCl2 as a catalyst to efficiently convert the lignocellulosic biomass waste into 5-hydroxymethylfurfural (5-HMF)-enriched bio-oil by a hydrothermal process. CoCl2 could selectively catalyze the decomposition of cellulose and hemicellulose in the lignocellulosic biomass to produce 5-HMF in a maximum yield of 22.8%, leaving the hydrothermally carbonized lignin as the residual hydrochar. The hydrochar with a high Co(II) content was further converted into biochar-stabilized Co nanoparticles via a pyrolysis process, producing considerable amounts of light hydrocarbons, aromatics, phenols, and vanillin and forming no solid waste. The as-synthesized biochar-stabilized Co nanoparticles were then used as catalysts and exhibited a favorable catalytic activity and recyclability. This work would provide a new approach in lignocellulosic biomass conversion to simultaneously produce valuable chemicals and functional biochar materials.
Efficient Conversion of the Lignocellulosic Biomass Waste into 5‑Hydroxymethylfurfural-Enriched Bio-Oil and Co Nanoparticle-Functionalized Biochar
https://orcid.org/0000-0003-1223-0164
https://orcid.org/0000-0002-5696-1180
https://orcid.org/0000-0001-5247-6244
The conversion of lignocellulosic biomass waste into fuels and chemicals can be regarded as a carbon-neutral circular framework, which is particularly appealing for our sustainable society. In this work, we constructed a homogeneous Lewis acid catalytic system using CoCl2 as a catalyst to efficiently convert the lignocellulosic biomass waste into 5-hydroxymethylfurfural (5-HMF)-enriched bio-oil by a hydrothermal process. CoCl2 could selectively catalyze the decomposition of cellulose and hemicellulose in the lignocellulosic biomass to produce 5-HMF in a maximum yield of 22.8%, leaving the hydrothermally carbonized lignin as the residual hydrochar. The hydrochar with a high Co(II) content was further converted into biochar-stabilized Co nanoparticles via a pyrolysis process, producing considerable amounts of light hydrocarbons, aromatics, phenols, and vanillin and forming no solid waste. The as-synthesized biochar-stabilized Co nanoparticles were then used as catalysts and exhibited a favorable catalytic activity and recyclability. This work would provide a new approach in lignocellulosic biomass conversion to simultaneously produce valuable chemicals and functional biochar materials.
Efficient Conversion of the Lignocellulosic Biomass Waste into 5‑Hydroxymethylfurfural-Enriched Bio-Oil and Co Nanoparticle-Functionalized Biochar
https://orcid.org/0000-0003-1223-0164
https://orcid.org/0000-0002-5696-1180
https://orcid.org/0000-0001-5247-6244
The conversion of lignocellulosic biomass waste into fuels and chemicals can be regarded as a carbon-neutral circular framework, which is particularly appealing for our sustainable society. In this work, we constructed a homogeneous Lewis acid catalytic system using CoCl2 as a catalyst to efficiently convert the lignocellulosic biomass waste into 5-hydroxymethylfurfural (5-HMF)-enriched bio-oil by a hydrothermal process. CoCl2 could selectively catalyze the decomposition of cellulose and hemicellulose in the lignocellulosic biomass to produce 5-HMF in a maximum yield of 22.8%, leaving the hydrothermally carbonized lignin as the residual hydrochar. The hydrochar with a high Co(II) content was further converted into biochar-stabilized Co nanoparticles via a pyrolysis process, producing considerable amounts of light hydrocarbons, aromatics, phenols, and vanillin and forming no solid waste. The as-synthesized biochar-stabilized Co nanoparticles were then used as catalysts and exhibited a favorable catalytic activity and recyclability. This work would provide a new approach in lignocellulosic biomass conversion to simultaneously produce valuable chemicals and functional biochar materials.
Efficient Conversion of the Lignocellulosic Biomass Waste into 5‑Hydroxymethylfurfural-Enriched Bio-Oil and Co Nanoparticle-Functionalized Biochar
Pan, Xiaoqiang (author) / Mei, Shuchuan (author) / Huang, Gui-Xiang (author) / Ji, Xiangyu (author) / Liu, Wu-Jun (author) / Yu, Han-Qing (author)
ACS ES&T Engineering ; 1 ; 895-904
2021-05-14
Article (Journal)
Electronic Resource
English
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