Optimization of flocculation with tannin-based flocculant in the water reuse and lipidic production for the cultivation of Acutodesmus obliquus

This paper evaluated the optimization of natural flocculant in different conditions in a tubular photobioreactor using swine wastewater effluent as culture media in a pilot-scale microalgae production plant. This study aimed to assess the flocculation efficiency of Tanfloc SG via a central composite...

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Bibliographic Details
Published in:Separation science and technology 2017-03, Vol.52 (5), p.936-942
Main Authors: Hesse, M. C. S., Santos, B., Selesu, N. F. H., Corrêa, D. O., Mariano, A. B., Vargas, J. V. C., Vieira, R. B.
Format: Article
Language:English
Subjects:
Acutodesmus obliquus
Algae
Animal wastes
Biomass
Cell culture
Cultivation
Culture media
Design analysis
Design for recycling
Efficiency
Flocculants
Flocculating
Flocculation
lipidic production
Lipids
Livestock
Optimization
pH effects
Recovering
Swine
Tanfloc SG
Wastewater
Water reuse
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Summary:This paper evaluated the optimization of natural flocculant in different conditions in a tubular photobioreactor using swine wastewater effluent as culture media in a pilot-scale microalgae production plant. This study aimed to assess the flocculation efficiency of Tanfloc SG via a central composite design (CCD), with varying Tanfloc SG concentration, biomass concentration and pH. Subsequently, the microalga Acutodesmus obliquus was cultivated in medium obtained from the recycled recovery of microalgae cells via flocculation with Tanfloc SG. Results showed that the recycled medium after flocculation with Tanfloc SG had a positive effect on the biomass and lipid production of A. obliquus.
ISSN:0149-6395
1520-5754
DOI:10.1080/01496395.2016.1269130