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<p>The improper disposal of olive mill wastes and organic solid residues in Palestine poses significant environmental and public health risks. These include soil contamination, toxic emissions, and biodiversity loss. This study pioneers the valorization of these wastes into biofuel briquettes as a sustainable solution. In this context, different mixtures of olive pomace, sawdust, waste paper, were formulated, compacted, and analyzed for calorific value using bomb calorimetry. Other samples of pruning waste, restaurant food waste, and animal manure were analyzed. The results revealed significant differences (<i>p</i> &lt; 0.05) in energy outputs among the samples. Pure olive pomace (4644.02&#xa0;cal/g) and manure (4643&#xa0;cal/g) exhibited the highest caloric values, while the optimal mixed briquette, comprising 60% pomace, 20% sawdust, and 20% paper, yielded 4192.69&#xa0;cal/g. Despite its 10% lower caloric value than pure pomace, it is recommended as the best choice because it reduces environmental hazards, curtails emissions from open burning, and mitigates deforestation pressures by offering a viable alternative to wood-based fuels. Additionally, it has the potential to improve energy security, encourage the circular economy, and safeguard ecosystems in Palestine.&#xa0;This study is the first in Palestine to combine olive pomace, sawdust, and paper waste into biofuel briquettes.</p>

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First Study on Biofuel Briquettes from Olive Pomace and Mixed Organic Waste: A Sustainable Strategy for Waste Valorization and Energy Security in Palestine

  • 期刊论文

  • 发表日期：

    2025年5月30日

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  • Sharaf Al-Tardeh

摘要

The improper disposal of olive mill wastes and organic solid residues in Palestine poses significant environmental and public health risks. These include soil contamination, toxic emissions, and biodiversity loss. This study pioneers the valorization of these wastes into biofuel briquettes as a sustainable solution. In this context, different mixtures of olive pomace, sawdust, waste paper, were formulated, compacted, and analyzed for calorific value using bomb calorimetry. Other samples of pruning waste, restaurant food waste, and animal manure were analyzed. The results revealed significant differences (p < 0.05) in energy outputs among the samples. Pure olive pomace (4644.02 cal/g) and manure (4643 cal/g) exhibited the highest caloric values, while the optimal mixed briquette, comprising 60% pomace, 20% sawdust, and 20% paper, yielded 4192.69 cal/g. Despite its 10% lower caloric value than pure pomace, it is recommended as the best choice because it reduces environmental hazards, curtails emissions from open burning, and mitigates deforestation pressures by offering a viable alternative to wood-based fuels. Additionally, it has the potential to improve energy security, encourage the circular economy, and safeguard ecosystems in Palestine. This study is the first in Palestine to combine olive pomace, sawdust, and paper waste into biofuel briquettes.