Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/16259
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Title

Effects of olive mill wastewater addition in composting of agroindustrial and urban wastes

AuthorsParedes, C.; Bernal Calderón, M. Pilar CSIC ORCID ; Roig, Asunción CSIC; Cegarra Rosique, Juan CSIC
KeywordsComposting
Cotton waste
Olive mill wastewater
Orange industrial waste
Sewage sludge
Issue DateJul-2001
PublisherSpringer
CitationBiodegradation 12(4): 225-234 (2001)
AbstractIn order to study the suitability of olive mill wastewater (OMW) for composting, thisliquid waste was added to two different mixtures of agroindustrial and urban wastesand the composting process was compared with two other piles of similar composition,but without OMW. These four piles were studied in a pilot plant using the Rutgers staticpile system. The addition of OMW produced a greater proportion of degradable organic matter or a higher degradation rate, higher electrical conductivity values, greater losses of total N and lower nitrification than in piles without OMW. Its addition also restricted the increase of the cation exchange capacity and provoked the appearance of phytotoxicity or a longer persistence of phytotoxicity. However, in general, all the composts showed increases in the cation exchange capacity, the percentage of humic acid-like carbon, the polymerisation ratio of these humic substances (which revealed that the organic matter had been humified during composting) and the germination index, the latter indicating the reduction of phytotoxicity during the process.
Description10 pages, 4 tables, 3 figures.
Publisher version (URL)http://dx.doi.org/10.1023/A:1017374421565
URIhttp://hdl.handle.net/10261/16259
DOI10.1023/A:1017374421565
ISSN0923-9820
E-ISSN1572-9729
Appears in Collections:(CEBAS) Artículos

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