Selection of native Tunisian microalgae for simultaneous wastewater treatment and biofuel production

被引：37

作者：

Jebali, A. ^{[1
,2
]}

Acien, F. G. ^{[2
,3
]}

Gomez, C. ^{[2
,3
]}

Fernandez-Sevilla, J. M. ^{[2
,3
]}

Mhiri, N. ^{[1
]}

Karray, F. ^{[1
]}

Dhouib, A. ^{[1
]}

Molina-Grima, E. ^{[2
]}

Sayadi, S. ^{[1
]}

机构：

[1] Univ Sfax, Sfax Ctr Biotechnol, Lab Environm Bioproc, Sfax 3018, Tunisia

[2] Univ Almeria, Dept Chem Engn, E-04120 Almeria, Spain

[3] Univ Almeria, CIEMAT, Joint Ctr, CIESOL, E-04120 Almeria, Spain

来源：

BIORESOURCE TECHNOLOGY | 2015年 / 198卷

关键词：

Microalgae; Wastewater; Biofuel; Productivity; Biochemical composition; BIODIESEL PRODUCTION; NUTRIENT REMOVAL; CHLOROPHYTA; BIOENERGY; COST;

D O I：

10.1016/j.biortech.2015.09.037

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

This paper focuses on the selection of native microalgae strains suitable for wastewater treatment and biofuel production. Four Chlorophyceae strains were isolated from North-eastern Tunisia. Their performances were compared in continuous mode at a 0.3 1/day dilution rate. The biomass productivity and nutrient removal capacity of each microalgae strain were studied. The most efficient strain was identified as Scenedesmus sp. and experiments at different dilution rates from 0.2 to 0.8 1/day were carried out. Maximal biomass productivity of 0.9 g/L day was obtained at 0.6 1/day. The removal of chemical oxygen demand (COD), ammonium and phosphorus was in the range of 92-94%, 61-99% and 93-99%, respectively. Carbohydrates were the major biomass fraction followed by lipids and then proteins. The saponifiable fatty acid content was in the 4.9-13.2% dry biomass range, with more than 50% of total fatty acids being composed of saturated and monosaturated fatty acids. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：424 / 430

页数：7

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