Table 1.

Overview of recent publications using different renewable materials as feedstock for fermentation with C. acetobutylicum to produce butanol or ABE solvents

Material	Pretreatment	Cultivation	Butanol	Total solvent	Reference
Sugarcane bagasse	Dilute acid pretreatment, enzymatic saccharification	Batch	9.5 g·L−1	15.7 g·L−1 0.36 g·g−1	Reis Kemita et al. (2024)
Corn stover	Ternary deep eutectic solvent + 1% H2SO4, enzymatic saccharification	Fed batch	11.9 g·L−1	20.7 g·L−1	Luo et al. (2024)
Wheat straw	Dilute acid pretreatment, enzymatic saccharification, detoxification with strong acid cation exchange resin 001 × 7	Batch	7.42 g·L−1	12.97 g·L−1	Liu et al. (2024)
Sorghum straw	Protic natural deep eutectic solvents, enzymatic saccharification	Fed batch, stirred tank bioreactor	0.36 g·L−1·h−1	17.5 g·L−1	Muniasamy et al. (2024)
Sweet potato processing waste	Enzymatic reduction of viscosity	Batch	11.39 g·L−1	18.28 g·L−1 0.37 g·g−1	Jin et al. (2024)
Potatoes, fresh	Smashing, addition of water, autoclaving	Batch	11.4 g·L−1	17.6 g·L−1 0.29 g·g−1	Avcı et al. (2023)
Potatoes, rotten	Smashing, addition of water, autoclaving	Batch	11.2 g·L−1	17.1 g·L−1 0.32 g·g−1	Avcı et al. (2023)
Apple pomace after juice production	No further pretreatment	Batch	6.00 g·L−1	N/A	Tigunova et al. (2023)
Spent Pleurotus ostreatus	Hybrid treatment with alkali, microwave and ultrasonification, enzymatic saccharification	Batch	9.84 g·L−1 0.38 g·g−1	10.8 g·L−1 0.40 g·g−1	Suresh et al. (2024)
Agave lechuguilla juice	No further pretreatment	Batch, bioreactor	5.96 g·L−1	N/A	Oliva-Rodríguez et al. (2024)
Willow biomass	Acid-catalyzed steam explosion, enzymatic saccharification	Batch	8.5 g·L−1 0.21 g·g−1	12.7 g·L−1 0.31 g·g−1	Dou et al. (2021)
Municipal green waste	Organosolv pretreatment, enzymatic saccharification	Batch	N/A	0.31 g·g−1	Volkmar et al. (2023)
Municipal biowaste	Organosolv under mild conditions; enzymatic saccharification	Batch	N/A	0.11 g·g−1	Farmanbordar et al. (2024)

N/A not available