title: Efficient removal of pollutants from olive washing wastewater in bubble-column bioreactor by Trametes versicolor.
abstract: The white-rot fungi Panus tigrinus, Funalia trogii and Trametes versicolor have been tested in shake flasks for the reduction of olive washing wastewater (OWW) pollutants and production of oxidases on OWW-based media. P. tigrinus was rejected for its scarce performance. F. trogii showed best production of laccase (27 000 Ug(-1)), while T. versicolor appeared a good pollutant degrader reducing colour, COD and phenols by 60, 72 and 87%, respectively. Only T. versicolor grew well in bubble-column bioreactor: its OWW depollution, in continuous process, led to colour, COD and phenols reduction by 65%, 73% and 89%, respectively. Optimal dilution rate was 0.225d(-1) (0.225 m(3) of effluent treated daily per m(3) of bioreactor). Thus, a small bioreactor (10 m(3)) could treat daily the amount of OWW produced by a standard olive washing machine (2m(3)d(-1)). For these reasons, this process could be proposed as a simple, efficient and low-cost OWW treatment.
authors.affiliation: Dipartimento di Ecologia e Sviluppo Economico Sostenibile (DECOS), University of Tuscia, Largo Università s.n.c., 01100 Viterbo, Italy.
authors.forename: F
authors.initials: F
authors.lastname: Cerrone
authors.forename: P
authors.initials: P
authors.lastname: Barghini
authors.forename: C
authors.initials: C
authors.lastname: Pesciaroli
authors.forename: M
authors.initials: M
authors.lastname: Fenice
mesh_terms: D001673:Biodegradation, Environmental; D019149:Bioreactors / Q000382:microbiology*; D019649:Food Industry; D007220:Industrial Waste / Q000032:analysis; D031658:Olea; D055454:Trametes / Q000378:metabolism*; D014874:Water Pollutants, Chemical / Q000032:analysis / Q000378:metabolism*
chemical_list: D007220:Industrial Waste; D014874:Water Pollutants, Chemical