几种农林业残留物颗粒的特性:物理和能源效率比较分析

Fire Pub Date : 2024-07-09 DOI:10.3390/fire7070239
S. Papandrea, A. Palma, M. Carnevale, E. Paris, B. Vincenti, Francesco Gallucci, A. Proto
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摘要

使用农林业生物质具有多种优势,既能从环保角度缓解全球变暖,又能为农业或农林业公司提供循环经济,将修剪残留物重新用作能源。然而,尽管利用各种农林树种的修剪残留物制成的能源颗粒在农副产品的价值化方面具有巨大潜力,但科学界对这些颗粒的物理化学特性却鲜有研究。在这种情况下,本研究旨在评估农林业活动中产生的各种木质纤维素材料残留物的增值潜力。研究目标包括评估使用不同农林生物质(橄榄、柑橘、黑刺槐、杨树、泡桐等)混合物生产的颗粒的化学和物理特性,以便从能量和理化角度确定最佳的颗粒混合物。研究结果表明,这种综合分析为生物质混合物的优化提供了宝贵的信息,可解决成分和燃烧方面的难题,从而提高能源价值。事实上,研究发现,在各种混合物中添加柑橘和橄榄生物质可提高其能源潜力。此外,所有分析的颗粒都具有足够和有用的耐久性指数(PDI),适合在储存和运输过程中进行处理。这项研究表明,橄榄和柑橘的修剪残留物可用于改善在能量、物理和化学方面不太适用的生物质。进一步的研究将有助于了解哪些特定的相互作用机制会对排放产生影响,从而优化使用不同生物质资源的混合物,实现可持续能源生产。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Characterization of Several Pellets from Agroforestry Residues: A Comparative Analysis of Physical and Energy Efficiency
The use of agroforestry biomass provides several advantages, both from an environmental point of view, in terms of the mitigation of global warming, and in terms of a circular economy for agricultural or agroforestry companies that reuse pruning residues as a source of energy. However, even if the use of energy pellets resulting from the pruning residues of various agroforestry species has excellent potential for the valorization of agricultural by-products, the physicochemical characteristics of these pellets have been scarcely studied by the scientific community. In this context, this study aims to assess the valorization potential of various lignocellulosic material residues produced during agroforestry activities. The objectives of the study include evaluating the chemical and physical characteristics of pellets produced with different mixtures of agroforestry biomass (olive, citrus, black locust, poplar, paulownia, etc.) in order to determine the optimal pellet blend from an energy and physicochemical perspective. The results of this study demonstrate that this comprehensive analysis provides valuable information on the optimization of biomass mixtures for better energy valorization, addressing both compositional and combustion-related challenges. In fact, it is observed that the addition of citrus and olive biomass to the various mixtures increases their energy potential. Furthermore, all of the pellets analyzed are found to possess an adequate and useful durability index (PDI) for their handling during storage and transport operations. This study demonstrates that olive and citrus pruning residues can be used to improve biomasses that have poor suitability in energetic, physical, and chemical terms. Further studies could be useful to understand which specific interaction mechanisms have an influence on emissions in order to optimize mixtures using different biomass sources for sustainable energy production.
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