来自海海藻的可再生能源:用宏观藻类进行热量加热研究
Fernando Pinto Coelho1,2,3, Everardo Valadares de Sá Barreto Sampaio1, Márcio Gomes Barboza4
1Postgraduate Program in Energy and Nuclear Technologies, Federal University of Pernambuco (UFPE/PROTEN), National Nuclear Energy Commission, Recife 50740-540, Brazil.
Plants (Basel, Switzerland)
|April 12, 2025
概括
在巴西海岸沉积的宏观藻类生物质可以成为可再生能源的可行来源. 这项研究发现,其燃烧能力与甘包油相提并论,提供了一个可持续的生物燃料替代品.
科学领域:
- 海洋生物学 海洋生物学
- 可再生能源可再生能源是可再生能源.
- 生物质的价值化 生物质的价值化
背景情况:
- 巴西的海岸线经历了定期的大藻类沉积.
- 目前在垃圾填埋场的处置导致分解和温室气体排放.
- 宏观藻类代表了可持续能源的未充分利用的自然资源.
研究的目的:
- 评估来自马赛奥海岸的宏观藻类生物质的能量潜力.
- 评估聚合宏藻和衍生颗粒生物燃料的燃烧能力.
- 探索宏观藻类作为低影响可再生能源的来源.
主要方法:
- 分析了13种不同的宏藻类物种.
- 热量计炸弹方法来确定加热值 (MJ/Kg).
- 质谱光度测量用于识别有能量的化学元素.
主要成果:
- 大藻生物质的加热值为8.82 MJ/Kg,类似于甘包油 (8.91 MJ/Kg).
- 来自大藻类的颗粒生物燃料实现了4823 Kcal/Kg,超过陆地生物质颗粒的1.2%.
- 在大藻中确定了主要的能量化学元素.
结论:
- 大藻生物质具有生物燃料生产的巨大潜力.
- 海洋大藻为传统生物质燃料提供了一个可持续的替代品.
- 这项研究支持利用沿海大藻用于热能发电.
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