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Cultivation of Spirulina platensis in a combined airlift-tubular reactor system

Paper ID Volume ID Publish Year Pages File Format Full-Text
4936 260 2006 6 PDF Available
Title
Cultivation of Spirulina platensis in a combined airlift-tubular reactor system
Abstract

This preliminary study aims at evaluating the efficiency of a bench-scale tubular photobioreactor by means of batch cultivations of Spirulina platensis under light-limited conditions. The most interesting feature of this plant configuration is the use of an airlift system for biomass re-cycling instead of traditional pumps to avoid the well-known problems of trichome damage owing to mechanical stress. A maximum cell concentration of 10.6 g l−1 was attained after 15 days of cultivation using a photosynthetic active radiation of 120 μmol photons m−2 s−1. Although the system operated in laminar flow under all the conditions investigated in this study, excess thricome stress was prevented only at relatively low air flow rates (<4.5 l min−1), corresponding to culture speeds lower than 0.21 m s−1.

Keywords
Tubular bioreactor; Spirulina platensis; Light intensity; Biomass growth; Culture speed
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biochemical Engineering Journal - Volume 32, Issue 1, 1 November 2006, Pages 13–18
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us