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@article{5faab265190c4f7587aa2022153b8736,
title = "Overcoming nutrient loss during volatile fatty acid recovery from fermentation media by addition of electrodialysis to a polytetrafluoroethylene membrane stack",
abstract = "This research investigated the use of an innovative polytetrafluoroethylene (PTFE) membrane configuration coupled to electrodialysis for the in-situ removal of Volatile Fatty Acids (VFAs) from a mixed culture bioreactor. It was shown that by stacking the PTFE membranes to increase the active membrane surface area, shortened VFA recovery times was seen. The addition of electrodialysis to the PTFE membrane stack enabled the continuous extraction of VFAs from fermentation media whilst retaining essential nutrients and organic compounds in the diluate stream. Ammonium, phosphate and nitrate remained in the diluate chamber and did not cross the PTFE membrane stack. Up to 98% of total VFA recovery was achieved with the PTFE and electrodialysis system. The process was shown to extract from a reservoir of low VFA concentration to a reservoir with a VFA concentration 10 times higher. These results show that the addition of electrodialysis to PTFE provides a robust solution for the in-situ extraction of VFAs from fermentation media within bioreactors to support the demand for sustainable fuels and green chemical feedstocks.",
keywords = "PTFE, Electrodialysis, Volatile fatty acids, Extraction, Fermentation media",
author = "Rhiannon Chalmers-Brown and Romain Tuffou and {Massanet Nicolau}, Jaime and Richard Dinsdale and Alan Guwy",
note = "Funding Information: This work was joint supported through an ESF KESSII scholarship (Award number MAXI 29439 ), the ERDF FLEXIS Project (Grant number C80835 ) and EU Horizon 2020 Res Urbis project (Grant Agreement 730349). Publisher Copyright: {\textcopyright} 2019 Elsevier Ltd Copyright: Copyright 2020 Elsevier B.V., All rights reserved.",
year = "2020",
month = apr,
day = "1",
doi = "10.1016/j.biortech.2019.122543",
language = "English",
volume = "301",
journal = "Bioresource Technology",
issn = "0960-8524",
publisher = "Elsevier",
number = "April 2020",

}

RIS

TY - JOUR

T1 - Overcoming nutrient loss during volatile fatty acid recovery from fermentation media by addition of electrodialysis to a polytetrafluoroethylene membrane stack

AU - Chalmers-Brown, Rhiannon

AU - Tuffou, Romain

AU - Massanet Nicolau, Jaime

AU - Dinsdale, Richard

AU - Guwy, Alan

N1 - Funding Information: This work was joint supported through an ESF KESSII scholarship (Award number MAXI 29439 ), the ERDF FLEXIS Project (Grant number C80835 ) and EU Horizon 2020 Res Urbis project (Grant Agreement 730349). Publisher Copyright: © 2019 Elsevier Ltd Copyright: Copyright 2020 Elsevier B.V., All rights reserved.

PY - 2020/4/1

Y1 - 2020/4/1

N2 - This research investigated the use of an innovative polytetrafluoroethylene (PTFE) membrane configuration coupled to electrodialysis for the in-situ removal of Volatile Fatty Acids (VFAs) from a mixed culture bioreactor. It was shown that by stacking the PTFE membranes to increase the active membrane surface area, shortened VFA recovery times was seen. The addition of electrodialysis to the PTFE membrane stack enabled the continuous extraction of VFAs from fermentation media whilst retaining essential nutrients and organic compounds in the diluate stream. Ammonium, phosphate and nitrate remained in the diluate chamber and did not cross the PTFE membrane stack. Up to 98% of total VFA recovery was achieved with the PTFE and electrodialysis system. The process was shown to extract from a reservoir of low VFA concentration to a reservoir with a VFA concentration 10 times higher. These results show that the addition of electrodialysis to PTFE provides a robust solution for the in-situ extraction of VFAs from fermentation media within bioreactors to support the demand for sustainable fuels and green chemical feedstocks.

AB - This research investigated the use of an innovative polytetrafluoroethylene (PTFE) membrane configuration coupled to electrodialysis for the in-situ removal of Volatile Fatty Acids (VFAs) from a mixed culture bioreactor. It was shown that by stacking the PTFE membranes to increase the active membrane surface area, shortened VFA recovery times was seen. The addition of electrodialysis to the PTFE membrane stack enabled the continuous extraction of VFAs from fermentation media whilst retaining essential nutrients and organic compounds in the diluate stream. Ammonium, phosphate and nitrate remained in the diluate chamber and did not cross the PTFE membrane stack. Up to 98% of total VFA recovery was achieved with the PTFE and electrodialysis system. The process was shown to extract from a reservoir of low VFA concentration to a reservoir with a VFA concentration 10 times higher. These results show that the addition of electrodialysis to PTFE provides a robust solution for the in-situ extraction of VFAs from fermentation media within bioreactors to support the demand for sustainable fuels and green chemical feedstocks.

KW - PTFE

KW - Electrodialysis

KW - Volatile fatty acids

KW - Extraction

KW - Fermentation media

U2 - 10.1016/j.biortech.2019.122543

DO - 10.1016/j.biortech.2019.122543

M3 - Article

C2 - 31927456

VL - 301

JO - Bioresource Technology

JF - Bioresource Technology

SN - 0960-8524

IS - April 2020

M1 - 122543

ER -

ID: 3610211