Abstract
Detoxification of Olive-mill Solid Waste and its Probable Application as Organic Fertilizer
Highlights
Extraction of olive oil is a common industry in the Mediterranean region, producing a large amount of olive mill wastes in short periods
The plumule length of V. faba increased by 30% W-olive-mill solid waste (OMSW) amendment to 26.5 cm after composting for two months
Since the radicle length was decreased to 8.56, 4.64, 4 cm upon increasing the proportion from 10% to 20% to 30% wheat straw-olive-mill solid waste (W-OMSW), respectively
Summary
Extraction of olive oil is a common industry in the Mediterranean region, producing a large amount of olive mill wastes in short periods. The organic fraction of the OMSW contains phenolic substances, some nitrogenous compounds, organic acids, sugars, tannins, pectins, carotenoids, and almost all of the water-soluble ingredients of the olives. This make OMSW an important resource for beneficial application in various fields such as sorbent material for heavy metals [3,4], drinking water treatment [5,6]. Its utilization in preparation of activated carbon [7], feeding animals, fuel and charcoal industry [8,9] It is used as organic fertilizer in degraded agricultural soils after a composting operation or as fuel in a cogeneration system. Application of OMSW in agricultural practice in Mediterranean agro ecosystems representing a topic of great interest [10,11,12,13]
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