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Click on “Download PDF” for the PDF version or on the title for the HTML version. If you are not an ASABE member or if your employer has not arranged for access to the full-text, Click here for options. Effects of bifunctional Ni/HZSM-5 and zinc hydrolysis on the yield and quality of bio-crude in sawdust catalytic hydrothermal liquefaction (HTL)Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org Citation: 2017 ASABE Annual International Meeting 1700696.(doi:10.13031/aim.201700696)Authors: Shouyun Cheng, Lin Wei Keywords: Bio-crude; Hydrothermal liquefaction; Ni/HZSM-5; hydrocarbon; zinc hydrolysis Abstract. Hydrothermal liquefaction (HTL) is effective for converting biomass to bio-crude, but direct use of bio-crude derived from biomass HTL remains a challenge due to its low quality. In this study, Ni/HZSM-5 catalysts and zinc hydrolysis were combined to upgrade bio-crude to biofuel in HTL process. The effects of Ni/HZSM-5 and HZSM-5 on the yield and quality of bio-crude and gas were investigated. The results indicate that bifunctional Ni/HZSM-5 catalysts exhibited higher catalyst activities to improve bio-crude quality compared to HZSM-5 catalyst. Ni/HZSM-5 was more effective to convert oxygenated compounds to hydrocarbons due to the integrated cracking and hydrodeoxygenation reactions. Compared to HZSM-5, 6%Ni/HZSM-5 catalyst produced the bio-crude product with the highest hydrocarbon content at 11.02%. HZSM-5 produced the highest bio-crude yield at 64.31 wt.%. (Download PDF) (Export to EndNotes)
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