Treatment of olive mill waste-water by aerobic biodegradation: An analytical study using gel permeation chromatography, ultraviolet-visible and Fourier transform infrared spectroscopy

被引：78

作者：

El Hajjouji, H.

Fakharedine, N.

Baddi, G. Ait

Winterton, P.

Bailly, J. R.

Revel, J. C.

Hafidi, M.

机构：

[1] Univ Cadi Ayyad, Fac Sci Semlalia, Dept Biol, Equipe Ecol Vegetale Sol & Environm, Marrakech, Morocco

[2] Univ Toulouse 3, F-31062 Toulouse, France

[3] ENSAT INP Toulouse, Equipe Agron Environm & Ecotoxicol, Toulouse, France

来源：

BIORESOURCE TECHNOLOGY | 2007年 / 98卷 / 18期

关键词：

olive mill wastewater; aerobic treatment; gel permeation chromatography; UV-visible spectroscopy; FTIR spectroscopy;

D O I：

10.1016/j.biortech.2006.11.033

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Liquid waste from olive oil mills was digested following inoculation with soil microorganisms and fractionated through various grades of gel. The fractionation showed the range of sizes of the molecules in the waste. In addition, the disappearance of the low molecular weight fraction, which is retained by the gel, and the increase of the high molecular weight fraction, which is excluded by the gel, during the last stages of the microbial treatment, indicates polymerisation of the low-molecular-weight subunits. Characterization of the fractions by UV-visible and FTIR spectroscopy confirmed the increase in their degree of polymerisation during the treatment. This is paralleled by a reduction in the amount of aliphatic components and a concomitant increase in aromatic structures. (C) 2006 Elsevier Ltd. All rights reserved.

引用

页码：3513 / 3520

页数：8

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