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Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/40027
Title: Study of the lipidic and humic fractions from organic wastes before and after the composting process
Authors: García Izquierdo, Carlos; Hernández Fernández Muñoz, María Teresa; Costa, F.; Río Andrade, José Carlos del
Keywords: Lipids
Humic acids
Organic wastes
City refuse
Aerobic sewage sludge
Composting process
Issue Date: 1989
Publisher: Elsevier
Citation: Science of the Total Environment 81/82: 551-560 (1989)
Abstract: Modifications of the lipidic and humic acid-like fractions from two organic wastes (city refuse and aerobic sewage sludge) before and after a composting process were studied. Although the qualitative composition of the lipidic fractions before and after composting was nearly identical, some quantitative differences were observed. Data from elemental and functional group analysis and FTIR spectra of the humic acid-like fractions showed a slight increase of the aromatic compounds during the composting process. GC-MS studies of the products of the persulfate and permanganate oxidation of the humic acid-like fractions have not been useful to show changes in them.
Description: 10 pages, 3 figures, 5 tables, 16 references. 1) Centro de Edafología y Biología Aplicada del Segura, Apartado 195, 30080, Murcia (Spain) 2) Instituto de Recursos Naturales y Agrobiología, Apartado 1052, 41080 Sevilla (Spain)
URI: http://hdl.handle.net/10261/40027
ISSN: 0048-9697
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