Effect of storage time on the biodegradability of olive oil mill wastewater from the cold extraction of olive oil system

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dc.contributor.authorKenza Kadi
dc.contributor.authorDalila Addad
dc.date.accessioned2024-02-28T13:20:45Z
dc.date.available2024-02-28T13:20:45Z
dc.date.issued2021
dc.description.abstractThe olive oil processing industry’s liquid effluents (OMW) have a polluting capacity for the ecosystems. This study aimed to evaluate the physicochemical quality of OMW of two varieties of separated and combined olives cultivated in Khenchela Eastern Algeria, from the cold extraction of the olive oil extraction system. These was to determine their degree of pollution and biodegradability during one year of storage at ambient temperature to recommend the correct treatment for each storage time. Results of the measured parameters pH, EC,TSS percent, H 2 O percent, lipids, DM, OM, MM, VM, COT percent, NTK percent, C/N, BOD 5 , COD, BI, TOM, BOD 5 /COD show that wastewater from olive oil mills has an acid pH, and they are very loaded with organic matter evaluated in terms of COD and BOD 5 , quite filled with minerals. The storage of olive mill waste can reduce progressively the pollution caused by this waste. Whereas during one year, the reduction rate of COD, BOD 5 , TOM, BI, is respectively 29.4%, 54.8%, 39.16%, 54.2%, but C/N, BOD 5 /COD continue to increase as well as pH that continues to decrease during the storage. Accordingly, storing olive mill waste during a year reduces its pollution rate, so it is slowly biodegradable. When disposing of it, an adequate treatment procedure must be required to protect the environment.
dc.identifier.urihttp://dspace.univ-khenchela.dz:4000/handle/123456789/2257
dc.language.isoen
dc.publisherThe EuroBiotech Journal
dc.titleEffect of storage time on the biodegradability of olive oil mill wastewater from the cold extraction of olive oil system
dc.typeArticle
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