*4.1. Disposal Methods*

They mainly consist of treatment with calcium oxide (neutralization and coagulation) followed by the disposal of waterproof lagoons [59]. Unfortunately, they are affected by some disadvantages, such as foul odors, mosquitoes, and transfer costs because they require land far from residential areas. As an alternative, OMWW can be carried to fields of olive trees and then spread, thus enriching the soil with nutritive compounds [60].
