Improvement of acetone–butanol–ethanol (ABE) production from switchgrass pretreated with a radio frequency-assisted heating process

Zhang, Zhong-Tian; Wang, Yi

doi:10.1016/j.fuel.2016.05.108

Cited by 18 publications

(2 citation statements)

References 35 publications

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“…In a recent study, Erebo [30] attempted to assess the processing potential of Enset wastes for ethanol production, and showed that ethanol can be produced. The main steps to produce biobutanol from lignocellulosic biomass are pretreatment, enzyme hydrolysis, and ABE fermentation [31]. To date, no comprehensive study has been carried out to evaluate the production process of biobutanol from Enset plant biomass.…”

Section: Introductionmentioning

confidence: 99%

Investigating the Processing Potential of Ethiopian Agricultural Residue Enset/Ensete ventricosum for Biobutanol Production

2022

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The Enset plant is a potential food source for about 20 million Ethiopians. A massive amount of residual byproduct is discarded from traditional Ethiopian Enset food processing. This study shows a compositional analysis of Enset biomass and its use for biobutanol production. The Enset biomass was pretreated with 2% (w/v) NaOH or 2% (v/v) H2SO4 and subjected to enzymatic hydrolysis. The enzymatic hydrolysates were then fermented anaerobically by C. saccharoperbutylacetonicum DSM 14923. The majority of Enset biomass waste samples contained 36–67% cellulose, 16–20% hemicelluloses, and less than 6.8% lignin. In all alkali-pretreated Enset biomass samples, the enzyme converted 80–90% of the biomass to glucose within 24 h, while it took 60 h to convert 48–80% of the acid-pretreated Enset biomass. In addition, the alkali pretreatment method released more glucose than the acid pretreatment in all Enset biomass samples. After 72 h of ABE fermentation, 2.8 g/L acetone, 9.9 g/L butanol, and 1.6 g/L ethanol were produced from mixed Enset waste hydrolysate pretreated with alkali, achieving an ABE yield of 0.32 g/g and productivity of 0.2 g × L−1 × h−1, showing the first value of butanol produced from Enset biomass in the literature.

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Section: Introductionmentioning

confidence: 99%

Investigating the Processing Potential of Ethiopian Agricultural Residue Enset/Ensete ventricosum for Biobutanol Production

2022

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“…5 Isophorone is the result of an acetone trimer [7][8][9][10][11][12] that can be produced on an industrial scale using the acetone-butanol-ethanol (ABE) fermentation of lignocellulose. [13][14][15] Isophorone has a C]O and a C]C bond. Isophorone is specically and selectively hydrogenated to 3,3,5trimethylcyclohexanone.…”

Section: Introductionmentioning

confidence: 99%