Olive Mill Wastewater for Bioethanol Production using Immobilised Cells

被引：3
作者：
Ayadi, K. A. [1 ]
Meziane, M. [2 ]
Rouam, D. [2 ]
Bouziane, M. N. [2 ]
El-Miloudi, K. [3 ]
机构：
[1] Univ Hassiba Benbouati Chlef, Fac Technol, Lab Eau & Environm, Ouled Fares, Algeria
[2] Univ Hassiba Benbouali Chlef, Fac Sci Nat & Vie, Lab Bioressources Nat, Ouled Fares, Algeria
[3] Univ Hassiba Benbouali Chlef, Fac Technol, Lab Phys Theor & Phys Mat, Ouled Fares, Algeria
来源：
KEMIJA U INDUSTRIJI-JOURNAL OF CHEMISTS AND CHEMICAL ENGINEERS | 2022年 / 71卷 / 1-2期
关键词：
Olive mill wastewater; physicochemical parameters; microbial composition; immobilised cells fermentation; bioethanol; PHENOLIC CONTENT; VALORIZATION; DERIVATIVES; ETHANOL;
D O I：
10.15255/KUI.2021.015
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Physicochemical and microbiological characteristics of a local traditional olive mill wastewater, at Ennakhla-Chlef in northern Algeria, were evaluated. The olive mill wastewater samples had slight acidity of 0.65 % with a pH = 4.88, and electrical conductivity of 34 rnS cm(-1). The chemical oxygen demand (COD) and the biological oxygen demand (BOD) reached up to 183 gl(-1) and 7 gl(-1), respectively. In addition, the samples showed 1.72 gl(-1) of total phenolic compounds. Preliminary microbiological analysis of the wastewater showed the presence of various microorganisms represented especially by lactic acid bacteria and Enterococcus sp. to the aim of this work was to investigate the possibility of using yeast strains isolated from olive mill wastewater in the fermentation of the latter. The results shown that fermentation with yeast can produce ethanol at an extent of 1.4 % (v/v). This can constitute a strategy for treating mentioned wastewater and transforming it into valuable biomolecules.
引用
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页码：21 / 28
页数：8
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