Techno-economic assessment of non-sterile batch and continuous production of lactic acid from food waste

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Techno-economic assessment of non-sterile batch and continuous production of lactic acid from food waste. / Peinemann, Jan; Demichelis, Francesca; Fiore, Silvia; Pleissner, Daniel.

in: Bioresource Technology, Band 289, 121631, 01.10.2019.

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@article{2c5902f45632461d88a9a7101e4671b3,
title = "Techno-economic assessment of non-sterile batch and continuous production of lactic acid from food waste",
abstract = "Non-sterile lactic acid (LA)fermentation of highly viscous food waste was demonstrated in batch andcontinuous flow fermentations. With Streptococcussp., an indigenous consortium, and/or applied glucoamylase, food waste wasfermented without addition of external carbon or nitrogen sources. Experimentalresults were used for economic and energy evaluations under consideration ofdifferent catchment area sizes from 50,000 to 1,000,000 inhabitants. Duringbatch mode, addition of glucoamylase resulted in a titer (after 24 hours), yield,and productivity of 50 g L-1, 63{\%}, and 2.93 g L-1 h-1,respectively. While titer and yield were enhanced, productivity was lower duringcontinuous operation and 69 g L-1, 86{\%}, and 1.27 g L-1 h-1were obtained at a dilution rate of 0.44 d-1 when glucoamylase wasadded. Both batch and continuous flow fermentations were found economicallyprofitable with food waste from 200,000 or more inhabitants.",
keywords = "Chemistry, Biorefinery, Fermentation, Lactic acid, non sterile, TEA",
author = "Jan Peinemann and Francesca Demichelis and Silvia Fiore and Daniel Pleissner",
year = "2019",
month = "10",
day = "1",
doi = "10.1016/j.biortech.2019.121631",
language = "English",
volume = "289",
journal = "Bioresource Technology",
issn = "0960-8524",
publisher = "Elsevier Limited",

}

RIS

TY - JOUR

T1 - Techno-economic assessment of non-sterile batch and continuous production of lactic acid from food waste

AU - Peinemann,Jan

AU - Demichelis,Francesca

AU - Fiore,Silvia

AU - Pleissner,Daniel

PY - 2019/10/1

Y1 - 2019/10/1

N2 - Non-sterile lactic acid (LA)fermentation of highly viscous food waste was demonstrated in batch andcontinuous flow fermentations. With Streptococcussp., an indigenous consortium, and/or applied glucoamylase, food waste wasfermented without addition of external carbon or nitrogen sources. Experimentalresults were used for economic and energy evaluations under consideration ofdifferent catchment area sizes from 50,000 to 1,000,000 inhabitants. Duringbatch mode, addition of glucoamylase resulted in a titer (after 24 hours), yield,and productivity of 50 g L-1, 63%, and 2.93 g L-1 h-1,respectively. While titer and yield were enhanced, productivity was lower duringcontinuous operation and 69 g L-1, 86%, and 1.27 g L-1 h-1were obtained at a dilution rate of 0.44 d-1 when glucoamylase wasadded. Both batch and continuous flow fermentations were found economicallyprofitable with food waste from 200,000 or more inhabitants.

AB - Non-sterile lactic acid (LA)fermentation of highly viscous food waste was demonstrated in batch andcontinuous flow fermentations. With Streptococcussp., an indigenous consortium, and/or applied glucoamylase, food waste wasfermented without addition of external carbon or nitrogen sources. Experimentalresults were used for economic and energy evaluations under consideration ofdifferent catchment area sizes from 50,000 to 1,000,000 inhabitants. Duringbatch mode, addition of glucoamylase resulted in a titer (after 24 hours), yield,and productivity of 50 g L-1, 63%, and 2.93 g L-1 h-1,respectively. While titer and yield were enhanced, productivity was lower duringcontinuous operation and 69 g L-1, 86%, and 1.27 g L-1 h-1were obtained at a dilution rate of 0.44 d-1 when glucoamylase wasadded. Both batch and continuous flow fermentations were found economicallyprofitable with food waste from 200,000 or more inhabitants.

KW - Chemistry

KW - Biorefinery

KW - Fermentation

KW - Lactic acid

KW - non sterile

KW - TEA

U2 - 10.1016/j.biortech.2019.121631

DO - 10.1016/j.biortech.2019.121631

M3 - Journal articles

VL - 289

JO - Bioresource Technology

T2 - Bioresource Technology

JF - Bioresource Technology

SN - 0960-8524

M1 - 121631

ER -

DOI

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