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Please use this identifier to cite or link to this item: http://uvadoc.uva.es/handle/10324/33734
Title: Airlift Bioreactors - Bioreactors Design
Authors: Guieysse, Benoit
Quijano, Guillermo
Muñoz Torre, Raúl
Issue Date: 2011
Publisher: Elsevier
Description: Producción Científica
Citation: Guieysse B, Quijano G, Muñoz R. Airlift Bioreactors - Bioreactors Design. In: Comprehensive Biotechnology, Second Edition. Edited by: Murray Moo-Young, Elsevier, 2011, volume 2, pp. 199–212.
Abstract: Pneumatically agitated bioreactors take advantage of the injection of a gaseous stream (often air) to provide mixing and mediate transfer of gaseous substances (i.e., O2 and CO2) with the liquid phase. However, unlike in classical pneumatically agitated reactors where liquid mixing is random (i.e., bubble column), the specific design of airlift reactors (ALRs) causes the liquid to circulate between two interconnected zones known as the riser and the downcomer. The riser and the downcomer are connected by a specific reactor base allowing for liquid circulation and by a gas–liquid separator at the top. Under typical operation conditions, air is injected below the riser section and the removal of gas in the separator generates a mean density gradient between the riser and downcomer zones that causes the liquid broth to circulate. The function of the gas separator is to support efficient gas–liquid disengagement. The fraction of gas introduced in the downcomer section depends on design and operational variables. This fraction has a significant effect on fluid dynamics and, consequently, reactor performance.
Classification: Biorreactores
Aire
Airlift Bioreactors
ISBN: 978-0-444-53352-4
DOI: http://dx.doi.org/10.1016/B978-0-08-088504-9.00095-7
Publisher Version: https://www.elsevier.com/books/comprehensive-biotechnology/moo-young/978-0-444-53352-4
Language: eng
URI: http://uvadoc.uva.es/handle/10324/33734
Rights: info:eu-repo/semantics/openAccess
Appears in Collections:DEP48 - Capítulos de monografías

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