Life cycle assessment of hetero- and phototrophic as well as combined cultivations of Galdieria sulphuraria

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschungbegutachtet

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Life cycle assessment of hetero- and phototrophic as well as combined cultivations of Galdieria sulphuraria. / Thielemann, Anne Karolin; Smetana, Sergiy; Pleissner, Daniel.

in: Bioresource Technology, Jahrgang 335, 125227, 09.2021.

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschungbegutachtet

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@article{0f8fd03895884174b9d60f6b9ed2c74c,
title = "Life cycle assessment of hetero- and phototrophic as well as combined cultivations of Galdieria sulphuraria",
abstract = "Microalgae cultivation for food purposes could have high environmental impacts. The study performed life cycle assessment (LCA) of hypothetical model combining phototrophic and heterotrophic cultivations, exchanging produced gases (carbon dioxide from heterotrophic and oxygen from autotrophic) as a potential strategy to reduce the environmental impact of microalgae cultivation. The LCA indicated that the production of Galdieria sulphuraria in a combined cultivation system has environmental benefits compared with the separate phototrophic cultivation and an almost twice lower carbon footprint than phototrophic cultivation. The benefits are based on the lower volume of culture broth and consequently reduced energy demand as well as less demanding wastewater treatment of the heterotrophic cultivation. Such combination of cultivation activities could be recommended to the producers dealing with phototrophic cultivation as a sustainable strategy for the environmental impact reduction.",
keywords = "Bioeconomy, Biomass, Carbon dioxide exchange, Environmental impact, Oxygen exchange, Biology",
author = "Thielemann, {Anne Karolin} and Sergiy Smetana and Daniel Pleissner",
year = "2021",
month = sep,
doi = "10.1016/j.biortech.2021.125227",
language = "English",
volume = "335",
journal = "Bioresource Technology",
issn = "0960-8524",
publisher = "Elsevier Limited",

}

RIS

TY - JOUR

T1 - Life cycle assessment of hetero- and phototrophic as well as combined cultivations of Galdieria sulphuraria

AU - Thielemann, Anne Karolin

AU - Smetana, Sergiy

AU - Pleissner, Daniel

PY - 2021/9

Y1 - 2021/9

N2 - Microalgae cultivation for food purposes could have high environmental impacts. The study performed life cycle assessment (LCA) of hypothetical model combining phototrophic and heterotrophic cultivations, exchanging produced gases (carbon dioxide from heterotrophic and oxygen from autotrophic) as a potential strategy to reduce the environmental impact of microalgae cultivation. The LCA indicated that the production of Galdieria sulphuraria in a combined cultivation system has environmental benefits compared with the separate phototrophic cultivation and an almost twice lower carbon footprint than phototrophic cultivation. The benefits are based on the lower volume of culture broth and consequently reduced energy demand as well as less demanding wastewater treatment of the heterotrophic cultivation. Such combination of cultivation activities could be recommended to the producers dealing with phototrophic cultivation as a sustainable strategy for the environmental impact reduction.

AB - Microalgae cultivation for food purposes could have high environmental impacts. The study performed life cycle assessment (LCA) of hypothetical model combining phototrophic and heterotrophic cultivations, exchanging produced gases (carbon dioxide from heterotrophic and oxygen from autotrophic) as a potential strategy to reduce the environmental impact of microalgae cultivation. The LCA indicated that the production of Galdieria sulphuraria in a combined cultivation system has environmental benefits compared with the separate phototrophic cultivation and an almost twice lower carbon footprint than phototrophic cultivation. The benefits are based on the lower volume of culture broth and consequently reduced energy demand as well as less demanding wastewater treatment of the heterotrophic cultivation. Such combination of cultivation activities could be recommended to the producers dealing with phototrophic cultivation as a sustainable strategy for the environmental impact reduction.

KW - Bioeconomy

KW - Biomass

KW - Carbon dioxide exchange

KW - Environmental impact

KW - Oxygen exchange

KW - Biology

UR - http://www.scopus.com/inward/record.url?scp=85105861480&partnerID=8YFLogxK

U2 - 10.1016/j.biortech.2021.125227

DO - 10.1016/j.biortech.2021.125227

M3 - Journal articles

C2 - 33992913

AN - SCOPUS:85105861480

VL - 335

JO - Bioresource Technology

JF - Bioresource Technology

SN - 0960-8524

M1 - 125227

ER -

DOI