From agriculture residue to upgraded product: The thermochemical conversion of sugarcane bagasse for fuel and chemical products
Fuel Processing Technology, ISSN: 0378-3820, Vol: 197, Page: 106199
2020
- 63Citations
- 159Captures
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Article Description
A holistic investigation considering the sugarcane bagasse characterization, fast pyrolysis and upgrading of bio-oil applying two nickel-based catalysts is presented. The bio-oil composition is correlated to the bagasse building blocks, and the hydrotreatment reaction pathways are identified. Despite the high ash content of 6.75 wt%, 60.1 wt% of bio-oil was obtained by fast pyrolysis, attributed to low concentration of potassium (0.08 wt%) and low humidity (2.80 wt%) observed in the bagasse. Upgraded bio-oil with 60.3% less water and 43.3% less oxygen were obtained with Ni/SiO 2, resulting in an HHV 63% higher compared to bagasse. Ni-Cr/SiO 2 showed the highest hydrogenation activity and the highest conversion of acids, converting 25.7% of acetic acid and 14.95% of propionic acid while Ni/SiO 2 was more active for conversion of compounds containing aromatic groups. The higher viscosity of upgraded oils in comparison to the fast pyrolysis bio-oil indicates that the stabilization during the heating ramp can be improved to suppress polymerization. Hence, sugarcane bagasse is an attractive feedstock with an overall final yield of 30.5 wt% of the upgraded product.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0378382019311567; http://dx.doi.org/10.1016/j.fuproc.2019.106199; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85071985119&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S0378382019311567; https://dx.doi.org/10.1016/j.fuproc.2019.106199
Elsevier BV
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