An Improved CARV Process for Bioethanol Production from a Mixture of Sugar Beet Mash and Potato Mash

Min-Soo YUN; Jeung-yil PARK; Mitsuhiro ARAKANE; Riki SHIROMA; Masakazu IKE; Seiji TAMIYA; Hiroyuki TAKAHASHI; Ken TOKUYASU

doi:10.1271/bbb.100744

Environmental Science Note

An Improved CARV Process for Bioethanol Production from a Mixture of Sugar Beet Mash and Potato Mash

Min-Soo YUN, Jeung-yil PARK, Mitsuhiro ARAKANE, Riki SHIROMA, Masakazu IKE, Seiji TAMIYA, Hiroyuki TAKAHASHI, Ken TOKUYASU

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Keywords: ethanol production, sugar beet mash, potato mash, conversion after reduction of viscosity (CARV), simultaneous saccharification and fermentation (SSF)

JOURNAL FREE ACCESS

2011 Volume 75 Issue 3 Pages 602-604

DOI https://doi.org/10.1271/bbb.100744

View "Advance Publication" version (March 7, 2011).

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Abstract

A mixed mash of sugar beet roots and potato tubers with a sugar concentration of 23.7% w/v was used as a feedstock for bioethanol production. Enzymatic digestion successfully reduced the viscosity of the mixture, enabling subsequent heat pretreatment for liquefaction/sterilization. An energy-consuming thick juice preparation from sugar beet for concentration and sterilization was omitted in this new process.

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