Optimization of Mixing Ratios of Binders and Organic Matter for Charcoal Briquette Using Biochars Derived from Water Hyacinth

IF 0.8 4区 工程技术 Q4 CHEMISTRY, MULTIDISCIPLINARY
Kaito Murakami, Shinjiro Sato
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Abstract

Since Ethiopia relies on biomass resources for about 90% of its energy sources, problems such as deforestation and soil degradation have been intensified more than ever. To mitigate these problems, a possibility of using excess aquatic biomass such as water hyacinth as alternative energy is being investigated. In this study, fuel characteristics of biochar briquettes made from combination of water hyacinth biochars, different binders, and organic matter used in Ethiopia were evaluated. Water hyacinth was dried and pyrolyzed at 400 and 800°C (WHB400 and WHB800, respectively). Water hyacinth biochar was mixed with different binders (molasses and Ethiopian soil) at a ratio of [6:4:0] without organic matter, or at a ratio of [6:3:1] with organic matter ([water hyacinth biochar:binder:organic matter]). The experimental results showed that WHB400 with molasses as binder without organic matter [6:4:0] was the best mixing ratio as biochar briquette with the highest higher heating value and the greatest compressive strength among all other biochar briquettes. Therefore, this study showed water hyacinth biochar could be a great potential as an alternative fuel to conventional acacia charcoal.

Abstract Image

Abstract Image

使用从布袋莲中提取的生物炭优化木炭压块中粘合剂和有机物的混合比例
由于埃塞俄比亚约 90% 的能源依赖生物质资源,森林砍伐和土壤退化等问题比以往任何时候都更加严重。为了缓解这些问题,人们正在研究利用多余的水生生物质(如水葫芦)作为替代能源的可能性。在这项研究中,对埃塞俄比亚使用的布袋莲生物炭、不同粘合剂和有机物制成的生物炭块的燃料特性进行了评估。布袋莲分别在 400 和 800°C 下干燥和热解(WHB400 和 WHB800)。将布袋莲生物炭与不同的粘合剂(糖蜜和埃塞俄比亚土壤)按不含有机物的 [6:4:0] 或含有机物的 [6:3:1] 的比例混合([布袋莲生物炭:粘合剂:有机物])。实验结果表明,在所有生物炭块中,以糖蜜为粘合剂、不含有机物[6:4:0]的 WHB400 是混合比例最佳的生物炭块,具有最高的较高热值和最大的抗压强度。因此,这项研究表明,作为传统金合欢木炭的替代燃料,布袋莲生物炭具有巨大潜力。
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来源期刊
Solid Fuel Chemistry
Solid Fuel Chemistry CHEMISTRY, MULTIDISCIPLINARY-ENERGY & FUELS
CiteScore
1.10
自引率
28.60%
发文量
52
审稿时长
6-12 weeks
期刊介绍: The journal publishes theoretical and applied articles on the chemistry and physics of solid fuels and carbonaceous materials. It addresses the composition, structure, and properties of solid fuels. The aim of the published articles is to demonstrate how novel discoveries, developments, and theories may be used in improved analysis and design of new types of fuels, chemicals, and by-products. The journal is particularly concerned with technological aspects of various chemical conversion processes and includes papers related to geochemistry, petrology and systematization of fossil fuels, their beneficiation and preparation for processing, the processes themselves, and the ultimate recovery of the liquid or gaseous end products.
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