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Aerobic Biological Treatment of Olive Mill Wastewater by Olive Pulp Bacteria by G. Tziotzios; S. Michailakis; D.V. Vayenas is a Environmental Science article available to read on EtoBox.

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The capability of olive fruit bacteria to remove chemical oxygen demand (COD) and phenolic compounds from olive mill wastewater (OMW) using flasks and packed bed reactors was tested. Batch aerobic experiments were performed in flask reactors, with OMW at different dilutions (20%, 50%, and 100%). The maximum phenolic and dissolved COD removal reached up to 82-90% for the dilutions of 20%, 50%, and 100%, in 11, 23, and 30 days, respectively. Experiments were also conducted in a bench and a pilot-scale packed bed reactor, operated in the laboratory and at an olive mill, respectively. At 28 1C the maximum phenolic and dissolved COD removal, recorded at the bench-scale reactor, reached about 60% and 70%, respectively, for a time period of only 27 h. At the pilot-scale reactor, where the maximum daily temperature varied between 6 and 20 1C, the maximum phenolic and d-COD removal reached about 55% and 70% in 5 and 3 days, respectively. These results indicate an economically feasible method for OMW biodegradation.

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Author

G. Tziotzios; S. Michailakis; D.V. Vayenas

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0964-8305)

Published

2007

Language

EN

Field

Environmental Science (Physical Sciences)