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Olive mill wastes: from wastes to resources
Ghizlane Enaime1, Salahaldeen Dababat2, Marc Wichern2
1Institute of Urban Water Management and Environmental Engineering, Ruhr-Universität Bochum, Universitätsstraße 150, 44780, Bochum, Germany. ghizlane.enaime@ruhr-uni-bochum.de.
Environmental Science and Pollution Research International
|February 26, 2024
Summary
Olive mill wastes (OMWs) offer significant potential for energy and agricultural applications. However, scaling up valorization strategies requires overcoming technical and economic challenges through policy and collaboration.
Area of Science:
- Environmental Science
- Agricultural Science
- Waste Management
Background:
- Olive oil production generates substantial olive mill wastes (OMWs), posing environmental challenges.
- Disposal costs for OMWs are often prohibitive for olive mills, particularly in low-income Mediterranean regions.
- Valorizing OMWs aligns with circular economy principles, offering socioeconomic benefits.
Purpose of the Study:
- To review the potential of olive mill wastes (OMWs) for reuse.
- To assess recent technological advancements in OMW valorization.
- To analyze the advantages, limitations, and scale-up challenges of OMW valorization technologies.
Main Methods:
- Literature review of OMW valorization technologies.
- Analysis of OMW composition and seasonal production variability.
- Assessment of industrial scale-up issues and policy recommendations.
Main Results:
- OMWs can be effectively utilized in energy production and agriculture.
- Current OMW valorization technologies have diverse advantages and limitations.
- Significant challenges hinder the industrial-scale implementation of OMW valorization.
Conclusions:
- The potential of OMWs is currently undervalued.
- Sustainable, large-scale valorization requires addressing technical and economic barriers.
- Policy actions, public-private collaborations, and subsidies are crucial for bridging research and industrial practice.
