An integrated, modular biorefinery for the treatment of food waste in urban areas

Innovative and decentralized biorefineries are needed in urban areas to contribute to local resource efficiency. In this case study a biorefinery (waste-to-resource-unit, W2RU) is introduced for bioconversion of food waste using heterotrophic microalgae to protein-rich biomass, and for simultaneous...

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Main Authors: Natalie Laibach, Boje Müller, Daniel Pleissner, Wolf Raber, Sergiy Smetana
Format: Article
Language:English
Published: Elsevier 2021-12-01
Series:Case Studies in Chemical and Environmental Engineering
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2666016421000402
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spelling doaj-80cd5f63400d4bcf876b0018dd8632f32021-07-17T04:35:12ZengElsevierCase Studies in Chemical and Environmental Engineering2666-01642021-12-014100118An integrated, modular biorefinery for the treatment of food waste in urban areasNatalie Laibach0Boje Müller1Daniel Pleissner2Wolf Raber3Sergiy Smetana4Institute for Food and Resource Economics, University of Bonn, Meckenheimer Allee 174, 53115, Bonn, GermanyFraunhofer Institute for Molecular Biology and Applied Ecology (IME), Schlossplatz 8, 48143, Münster, GermanyCorresponding author. Sustainable Chemistry (Resource Efficiency), Leuphana University of Lüneburg, Universitätsallee 1, C13.203, 21335, Lüneburg, Germany.; Sustainable Chemistry (Resource Efficiency), Institute of Sustainable Chemistry, Leuphana University of Lüneburg, Universitätsallee 1, C13.203, 21335, Lüneburg, Germany; Institute for Food and Environmental Research e. V., Papendorfer Weg 3, 14806, Bad Belzig, GermanyInter 3 Institute for Resource Management, Otto-Suhr-Allee 59, 10585, Berlin, GermanyGerman Institute of Food Technologies – DIL e.V., Prof.-von-Klitzing-Str. 7, 49610, Quakenbrück, GermanyInnovative and decentralized biorefineries are needed in urban areas to contribute to local resource efficiency. In this case study a biorefinery (waste-to-resource-unit, W2RU) is introduced for bioconversion of food waste using heterotrophic microalgae to protein-rich biomass, and for simultaneous extraction of high-value chemicals pigments (e.g., astaxanthin, β-carotene, lycopene, lutein, or riboflavin), vitamins (e.g., retinol, tocopherol, or ascorbic acid), and flavonoids from food waste. The W2RU is a compact and fully automated systems, which is applicable to recycle various biological waste streams. It consists of a module for the extraction of valuable compounds from wasted food. Remaining material will be sent to hydrolysis and hydrolysate applied as nutrient source in heterotrophic microalgae cultivation for production of protein-rich biomass. Such an approach can be integrated in urban infrastructure and the simultaneous production of various products from high-value chemicals to proteins revealed beneficial environmental impacts.http://www.sciencedirect.com/science/article/pii/S2666016421000402Urban areasWaste-to-resourceExtractionMicroalgaeEnvironmental impact
collection DOAJ
language English
format Article
sources DOAJ
author Natalie Laibach
Boje Müller
Daniel Pleissner
Wolf Raber
Sergiy Smetana
spellingShingle Natalie Laibach
Boje Müller
Daniel Pleissner
Wolf Raber
Sergiy Smetana
An integrated, modular biorefinery for the treatment of food waste in urban areas
Case Studies in Chemical and Environmental Engineering
Urban areas
Waste-to-resource
Extraction
Microalgae
Environmental impact
author_facet Natalie Laibach
Boje Müller
Daniel Pleissner
Wolf Raber
Sergiy Smetana
author_sort Natalie Laibach
title An integrated, modular biorefinery for the treatment of food waste in urban areas
title_short An integrated, modular biorefinery for the treatment of food waste in urban areas
title_full An integrated, modular biorefinery for the treatment of food waste in urban areas
title_fullStr An integrated, modular biorefinery for the treatment of food waste in urban areas
title_full_unstemmed An integrated, modular biorefinery for the treatment of food waste in urban areas
title_sort integrated, modular biorefinery for the treatment of food waste in urban areas
publisher Elsevier
series Case Studies in Chemical and Environmental Engineering
issn 2666-0164
publishDate 2021-12-01
description Innovative and decentralized biorefineries are needed in urban areas to contribute to local resource efficiency. In this case study a biorefinery (waste-to-resource-unit, W2RU) is introduced for bioconversion of food waste using heterotrophic microalgae to protein-rich biomass, and for simultaneous extraction of high-value chemicals pigments (e.g., astaxanthin, β-carotene, lycopene, lutein, or riboflavin), vitamins (e.g., retinol, tocopherol, or ascorbic acid), and flavonoids from food waste. The W2RU is a compact and fully automated systems, which is applicable to recycle various biological waste streams. It consists of a module for the extraction of valuable compounds from wasted food. Remaining material will be sent to hydrolysis and hydrolysate applied as nutrient source in heterotrophic microalgae cultivation for production of protein-rich biomass. Such an approach can be integrated in urban infrastructure and the simultaneous production of various products from high-value chemicals to proteins revealed beneficial environmental impacts.
topic Urban areas
Waste-to-resource
Extraction
Microalgae
Environmental impact
url http://www.sciencedirect.com/science/article/pii/S2666016421000402
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