芒果、龙眼和荔枝树修剪叶片厌氧发酵产沼气的研究

Yuwalee Unpaprom, Nuttapong Saetang, Sawitree Tipnee
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引用次数: 0

摘要

修剪果树可以提高果树的健康和收成。果树修剪后的叶片废弃物代表了大量的有机物质,而且这些有机物质是在短时间内产生的。以果树修剪后的叶片为研究对象,对果园木质纤维素生物质的基本燃料特性进行了评价。生物质能已成为可再生能源的重要来源。沼气是一种由生物质厌氧发酵产生的可再生能源。本研究利用芒果、龙眼和荔枝树修剪叶片废弃物生产沼气。这些叶片进行了近似分析,最终分析的含量被认为是碳(C)、氢(H)、氧(O)、氮(N)和硫(S)。在本研究中,使用不同浓度(1、2、3和4%)的氢氧化钠溶液(w/v)进行预处理。为筛选最佳原料,确定了理论生化甲烷势。芒果叶生物甲烷含量高于龙眼叶和荔枝叶。最后,提出了进一步大规模研究的建议。沼气消化液是一种高价值的营养物和富营养肥。
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Evaluation of mango, longan and lychee trees pruning leaves for the production of biogas via anaerobic fermentation
Pruning fruit trees is improving their full health and harvest. Fruit tree pruning leaves waste to represent an abundant amount of organic materials, and these produced during a short period. The basic fuel properties of lignocellulosic biomass from orchards were evaluated on the following fruit tree leaves obtained from pruning operations. Biomass has become a vital source of renewable energy. Biogas is one the renewable energy which can be produced by anaerobic fermentation of biomass. In this study, mango, longan and lychee trees pruning leaves waste was utilized for biogas production. These leaves were examined on proximate analysis and ultimate analysis contents are considered as carbon (C), hydrogen (H), oxygen (O), nitrogen (N) and sulfur (S). In this study, pretreatment was performed using a sodium hydroxide solution (w/v) at different concentrations as above (1, 2, 3, and 4%). For the best feedstock screening, the theoretical biochemical methane potential was confirmed. Mango leaves biomethane content was higher compared to longan and lychee leaves. Finally, this biomass was suggested further large-scale studies. Digestate from biogas system is a highly valuable nutrient and rich fertilizer.
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