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Biodiesel production catalyzed by highly acidic carbonaceous catalysts synthesized via carbonizing lignin in sub- and super-critical ethanol
Huang, Mei; Luo, Jia; Fang, Zhen; Li, Hu
2016
Source PublicationAPPLIED CATALYSIS B-ENVIRONMENTAL
Volume190Issue:xPages:103-114
AbstractCarbonaceous acids were synthesized from dealkaline lignin via solvothermal carbonization, pyrolysis and sulfonation. Carbonization of lignin in sub- and super-critical ethanol provided good surface properties with abundant functional groups (2.81 and 1.35 mmol [H]/g) for the subsequent sulfonation to result in high active and stable catalysts for biodiesel production. Both catalysts (E-P400-2-SO3H and E260-20-SO3H carbonized in sub- and super-critical ethanol) had high acid content of 5.35 and 5.05 (mmol [H]/g), respectively. Highest biodiesel yields of 95.4% and 95.5% were obtained from the esterification of oleic acid at 80 degrees C with E-260-20-SO3H and E-P400-2-SO3H, respectively, with 5 cycles for E-260-20SO(3)H (>= 81.9% yield) and 3 cycles for E-P400-2-SO3H (>84.6% yield). Both catalysts also applied to produce biodiesel from actual plant oils at 220 degrees C. High biodiesel yields of 90.9% and 93.2% were obtained from Jatropha and blended soybean oils with high acid value of 17.2 and 22.1 mg KOH/g, respectively.
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/9866
Collection生物能源研究组
Recommended Citation
GB/T 7714
Huang, Mei,Luo, Jia,Fang, Zhen,et al. Biodiesel production catalyzed by highly acidic carbonaceous catalysts synthesized via carbonizing lignin in sub- and super-critical ethanol[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2016,190(x):103-114.
APA Huang, Mei,Luo, Jia,Fang, Zhen,&Li, Hu.(2016).Biodiesel production catalyzed by highly acidic carbonaceous catalysts synthesized via carbonizing lignin in sub- and super-critical ethanol.APPLIED CATALYSIS B-ENVIRONMENTAL,190(x),103-114.
MLA Huang, Mei,et al."Biodiesel production catalyzed by highly acidic carbonaceous catalysts synthesized via carbonizing lignin in sub- and super-critical ethanol".APPLIED CATALYSIS B-ENVIRONMENTAL 190.x(2016):103-114.
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