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High solid fed-batch SSF with delayed inoculation for improved production of bioethanol from wheat straw

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22330%2F14%3A43896443" target="_blank" >RIV/60461373:22330/14:43896443 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1016/j.fuel.2014.01.020" target="_blank" >http://dx.doi.org/10.1016/j.fuel.2014.01.020</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.fuel.2014.01.020" target="_blank" >10.1016/j.fuel.2014.01.020</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    High solid fed-batch SSF with delayed inoculation for improved production of bioethanol from wheat straw

  • Original language description

    Simultaneous saccharification and fermentation (SSF) of lignocellulosic substrate is limited by low glucose availability in the early stages of SSF, different temperature optima for enzymatic hydrolysis and fermentation, and low ethanol productivity. These were eliminated in this work by carrying out the pre-saccharification step at the optimum temperature for cellulolytic enzymes. When inoculation was delayed for 12 h (dSSF process), ethanol productivity was enhanced and the process was shortened by 60% compared to SSF, while the final ethanol concentration remained the same. Increased loading of acid-pretreated wheat straw in batch mode did not improve the ethanol concentration; although preconcentration of substrate from 36% to 66% of wet solid enabled a 48% increase in glucose concentration it negatively influenced fermentation. The fed-batch dSSF process, with gradual feeding of pre-hydrolysed medium, carried out in two bioreactors, enabled us to increase the final ethanol concent

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    EI - Biotechnology and bionics

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/ME10146" target="_blank" >ME10146: Conversion of wheat straw and other lignocellulosic materials to ethanol</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2014

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Fuel

  • ISSN

    0016-2361

  • e-ISSN

  • Volume of the periodical

    122

  • Issue of the periodical within the volume

    únor

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    7

  • Pages from-to

    294-300

  • UT code for WoS article

    000331544100034

  • EID of the result in the Scopus database