Simultaneous Saccharification and Fermentation (SSF) of High Digestible Grain Sorghum for Ethanol Production

Hernandez, Joan Rollog; Capareda, Sergio C.; Portilllo, O.; Hays, Dirk B.; Rooney, William L.

doi:10.13031/2013.37173

Cited by 1 publication

(1 citation statement)

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“…After that, bioethanol concentration dropped to 5.97% (v/v) and the concentration fluctuated between 4.96% and 6.76% (v/v) until the end of the fermentation. These values are comparable with ethanol concentration obtained by J.R Hernandez et al (2011) for their fermentation with corn starch. However, the bioethanol concentration was slightly lower for the co-culture fermentation as…”

Section: Bioethanol Fermentationsupporting

confidence: 89%

Fermentation of Tacca leontopetaloides starch with ragi tapai for bioethanol production

Mohd Sauid,

Ab Wahab,

Jamian

et al. 2023

MJCET

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This study investigates the potential of Tacca leontopetaloides starch as an alternative raw material for bioethanol production. Ragi tapai was used as the saccharification and fermentation agent and different origin of ragi tapai was evaluated for the highest glucose production. Ragi tapai from Sabah (RTSab) produced significantly higher glucose as compared to other origins of ragi tapai and was then used in the rest of the study. Fermentation of ragi tapai with T. leontopetaloides starch was compared with the fermentation of ragi tapai - Saccharomyces cerivisiae co-culture. Glucose and ethanol concentrations were measured by spectrophotometric method. It was found that ragi tapai alone is more efficient in producing bioethanol as the concentration was the highest (17.4% v/v) with productivity reaching 4.5 g/l/h in comparison to only 3.7 g/l/h for co-culture fermentation. Glucose concentration also varied at higher level throughout the fermentation and peaked at 84.28 g/L. This study concludes that T. leontopetaloides starch is a potential raw material for bioethanol and use of ragi tapai is effective in producing bioethanol.

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Section: Bioethanol Fermentationsupporting

confidence: 89%