期刊
ACS AGRICULTURAL SCIENCE & TECHNOLOGY
卷 2, 期 2, 页码 349-358出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsagscitech.1c00248
关键词
lignocellulose; reductive catalytic fractionation; soda pulping; hydrodeoxygenation; biodiesel; biojet fuel; lubricant base oil
资金
- Swedish Energy Agency (Energimyndigheten)
This study systematically investigated lignin from coconut coir pith and explored its potential for renewable utilization, achieving positive results through two different valorization approaches.
Coconut Coir Pith (CCP) is a relatively unexplored type of lignocellulosic waste from the coconut industry. As a feedstock that is highly enriched in lignin (Klason lignin content of 40.9 wt % found in this study), CCP is a potential source for renewable lignin-derived materials. We have performed a systematic study on the characterization and valorization of lignin from CCP. We have investigated two different valorization approaches: reductive catalytic fractionation (RCF) and soda pulping followed by catalytic hydrodeoxygenation. During RCF, the lignin was converted into monomeric products in 7.6 wt %. Using soda pulping conditions, we were able to isolate lignin from CCP in 74% yield. Subsequent hydrotreatment of the lignin over a Pt/MoO3/TiO2 catalyst resulted in the formation of hydrogenated oil in 43 wt % yield, suitable for the production of biobased diesel fuels and lubricant base oils.
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