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Integrating microalgae production with anaerobic digestion: a biorefinery approach

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10.1002/bbb.1469
 
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hdl:2117/116647

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Uggetti, EnricaMés informacióMés informacióMés informació
Sialve, Bruno
Trably, Eric
Steyer, Jean Phillipe
Document typeArticle
Defense date2014-07
Rights accessOpen Access
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
In the energy and chemical sectors, alternative production chains should be considered in order to simultaneously reduce the dependence on oil and mitigate climate change. Biomass is probably the only viable alternative to fossil resources for production of liquid transportation fuels and chemicals since, besides fossils, it is one of the only available sources of carbon-rich material on Earth. Over recent years, interest in microalgae biomass has grown in both fundamental and applied research fields. The biorefinery concept includes different technologies able to convert biomass into added-value chemicals, products (food and feed) and biofuels (biodiesel, bioethanol, biohydrogen). As in oil refinery, a biorefinery aims at producing multiple products, maximizing the value derived from differences in biomass components, including microalgae. This paper provides an overview of the various microalgae-derived products, focusing on anaerobic digestion for conversion of microalgal biomass into methane. Special attention is paid to the range of possible inputs for anaerobic digestion (microalgal biomass and microalgal residue after lipid extraction) and the outputs resulting from the process (e.g. biogas and digestate). The strong interest in microalgae anaerobic digestion lies in its ability to mineralize microalgae containing organic nitrogen and phosphorus, resulting in a flux of ammonium and phosphate that can then be used as substrate for growing microalgae or that can be further processed to produce fertilizers. At present, anaerobic digestion outputs can provide nutrients, CO2 and water to cultivate microalgae, which in turn, are used as substrate for methane and fertilizer generation.
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This is the peer reviewed version of the following article: [Uggetti, E. , Sialve, B. , Trably, E. and Steyer, J. (2014), Integrating microalgae production with anaerobic digestion: a biorefinery approach. Biofuels, Bioprod. Bioref, 8: 516-529. doi:10.1002/bbb.1469], which has been published in final form at https://doi.org/10.1002/bbb.1469. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving
CitationUggetti, E., Sialve, B., Trably, E., Steyer, J.P. Integrating microalgae production with anaerobic digestion: a biorefinery approach. "Biofuels, bioproducts and biorefining", Juliol 2014, vol. 8, núm. 4, p. 516-529. 
URIhttp://hdl.handle.net/2117/116647
DOI10.1002/bbb.1469
ISSN1932-104X
Publisher versionhttps://onlinelibrary.wiley.com/doi/abs/10.1002/bbb.1469
Other identifiershttps://www.researchgate.net/publication/260410973_Integrating_microalgae_production_with_anaerobic_digestion_A_biorefinery_approach
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  • Departament d'Enginyeria Civil i Ambiental - Articles de revista [2.812]
  • GEMMA - Grup d'Enginyeria i Microbiologia del Medi Ambient - Articles de revista [192]
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