The spreading of Olive Mill Wastewaters (OMW) onto the agricultural soil is widespread despite of their high phyto- and microbial-toxicity. In this work, a pre-treatment has been studied in order to make OMW more suitable to fertirrigation purposes. The treatment takes place in an aerated soil slurry and involves the same chemical and biological transformations that are responsible for the natural humification processes in agricultural soil. The suitability of treated OMW for fertirrigation has been evaluated by measuring residual toxicity with seed germination and microbial growth tests. The correlation between polyphenol content, salinity, pH and phyto/micro-toxicity has been investigated, as well.
Treatment of Olive Mill Wastewaters in Soil Slurry Reactors / Colarieti, MARIA LETIZIA; Toscano, Giuseppe; Ardi, MARIA RAFFAELLA; Greco, Guido. - STAMPA. - 6/II:(2005), pp. 1049-1054. (Intervento presentato al convegno ICheaP-7 tenutosi a Giardini di Naxos, Italia nel 15-18 maggio 2005).
Treatment of Olive Mill Wastewaters in Soil Slurry Reactors
COLARIETI, MARIA LETIZIA;TOSCANO, GIUSEPPE;ARDI, MARIA RAFFAELLA;GRECO, GUIDO
2005
Abstract
The spreading of Olive Mill Wastewaters (OMW) onto the agricultural soil is widespread despite of their high phyto- and microbial-toxicity. In this work, a pre-treatment has been studied in order to make OMW more suitable to fertirrigation purposes. The treatment takes place in an aerated soil slurry and involves the same chemical and biological transformations that are responsible for the natural humification processes in agricultural soil. The suitability of treated OMW for fertirrigation has been evaluated by measuring residual toxicity with seed germination and microbial growth tests. The correlation between polyphenol content, salinity, pH and phyto/micro-toxicity has been investigated, as well.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
