Phospholipid fatty acid analysis to monitor the co-composting process of olive oil mill wastes and organic household refuse

被引：18

作者：

Barje, F. ^{[1
]}

Amir, S. ^{[2
]}

Winterton, P. ^{[3
]}

Pinelli, E. ^{[4
]}

Merlina, G. ^{[4
]}

Cegarra, J. ^{[5
]}

Revel, J. -C. ^{[4
]}

Hafidi, A. ^{[1
]}

机构：

[1] Fac Sci Semlalia, Dept Biol, Soil & Environm Lab, Marrakech, Morocco

[2] Polydisciplinary Fac, Dept Biol, Beni Mellal, Morocco

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

[4] Ecole Natl Super Agron Toulouse, Eco Lab, CNRS, UPS INPT UMR 5245, Toulouse, France

[5] Ctr Edafol & Biol Aplicada Segura, Dept Soil & Water Conservat & Organ Waste Managem, Murcia, Spain

来源：

JOURNAL OF HAZARDOUS MATERIALS | 2008年 / 154卷 / 1-3期

关键词：

composting; biodegradability; microbial biomass; PLFAs;

D O I：

10.1016/j.jhazmat.2007.10.089

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The co-composting of olive oil mill wastes and household refuse was followed for 5 months. During the thermophilic phase of composting, the aerobic heterotrophic bacteria (AHB) count, showed a significant rise with a slight regression of fungal biomass. In the same way, phospholipid fatty acids PLFAs common in bacteria, showed a significant increase of hydroxyl and branched PLFAs. The evaluation of the ratio of octadecenoic PLFAs to stearic acid (C18:1 omega/C18:0) revealed a significant reduction while a significant rise in the length of aliphatic chains evaluated by the stearic acid to palmitic acid ratio (C18:0/C16:0) was noted during the stabilization phase. The follow-up of PLFAs, indicates the degree of biodegradation that occurs during composting, it can be regarded an indicator of the stability and maturity of the end product. (c) 2007 Published by Elsevier B.V.

引用

页码：682 / 687

页数：6

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