Microalgae cultivation in sugarcane vinasse: Selection, growth and biochemical characterization

被引：84

作者：

Santana, Hugo ^{[1
,2
]}

Cereijo, Carolina R. ^{[1
,3
]}

Teles, Valerya C. ^{[1
,3
]}

Nascimento, Rodrigo C. ^{[1
,3
]}

Fernandes, Maiara S. ^{[1
,3
]}

Brunale, Patricia ^{[1
]}

Campanha, Raquel C. ^{[1
]}

Soares, Itnia P. ^{[1
]}

Silva, Flavia C. P. ^{[1
]}

Sabaini, Priscila S. ^{[1
]}

Siqueira, Felix G. ^{[1
,2
,3
]}

Brasil, Bruno S. A. F. ^{[1
,3
]}

机构：

[1] Embrapa Agroenergy, Brasilia, DF, Brazil

[2] Univ Fed Bahia, Vitoria Da Conquista, BA, Brazil

[3] Univ Fed Tocantins, Gurupi, TO, Brazil

来源：

BIORESOURCE TECHNOLOGY | 2017年 / 228卷

关键词：

Chlamydomonas; Micractinium; Biorefinery; Photobioreactor; Wastewater; CO2; WASTE-WATER; CAROTENOID PRODUCTION; BIODIESEL PRODUCTION; SPIRULINA-MAXIMA; BIOMASS; BIOFUELS; FERMENTATION; ETHANOL; PROTEIN; LIGHT;

D O I：

10.1016/j.biortech.2016.12.075

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Sugarcane ethanol is produced at large scale generating wastes that could be used for microalgae biomass production in a biorefinery strategy. In this study, forty microalgae strains were screened for growth in sugarcane vinasse at different concentrations. Two microalgae strains, Micractinium sp. Embrapa| LBA32 and C. biconvexa Embrapa| LBA40, presented vigorous growth in a light-dependent manner even in undiluted vinasse under non-axenic conditions. Microalgae strains presented higher biomass productivity in vinasse-based media compared to standard Bold's Basal Medium in cultures performed using 15 L airlift flat plate photobioreactors. Chemical composition analyses showed that proteins and carbohydrates comprise the major fractions of algal biomass. Glucose was the main monosaccharide detected, ranging from 46% to 76% of the total carbohydrates content according to the strain and culture media used. This research highlights the potential of using residues derived from ethanol plants to cultivate microalgae for the production of energy and bioproducts. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：133 / 140

页数：8

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