评估作为清洁能源生产热化学工艺原料的混合物(绿椰壳和鱼鳞)的生物能源潜力

Processes Pub Date : 2024-03-30 DOI:10.3390/pr12040710
Ayrton Pablo Raiol Monroe, A. V. S. Silva, M. Melo, J. B. S. da Silva, R. R. Peña Garcia, M. Rios, W. Bizzo, Glauber Cruz
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引用次数: 0

摘要

巴西是世界上最大的绿色椰子生产国之一,这造成了不适当的处置和社会环境影响。与此同时,巴西的一些沿海城市还生产种类繁多的鱼类和大量固体废物。本文报告了鱼鳞样本(100FS)和青椰壳样本(100GCS)的使用情况,以及它们在 75%FS:25%GCS (B25)、50%FS:50%GCS (B50) 和 25%FS:75%GCS (B75) 比例下的混合物,并量化了它们的较高发热值 (HHV) 和较低发热值 (LHV),以及终极分析 (UA) 和近似分析 (PA)。热重仪(TG/DTG)和差示扫描量热仪(DSC)研究了它们的热行为,扫描电子显微镜(SEM)、能量色散光谱(EDS)、X 射线衍射(XRD)和傅立叶变换红外(FTIR)分析了它们的物理化学和形态结构特性。与天然样品相比,混合物的扫描电子显微镜图像检测到了结构紊乱和高度纤维化的结构,具有拉长的链和表面粗糙度。100GCS(16.64 MJ kg-1)、B75(15.80 MJ kg-1)和 B50(14.98 MJ kg-1)样品的 HHV 较高,而 B25(14.16 MJ kg-1)和 100FS(13.03 MJ kg-1)样品的 HHV 较低,不同生物质的数值均可接受。TG/DTG 和 DSC 曲线显示出样品之间的相似性,并检测出它们的主要热转化阶段。根据这些数据,这些样品可用作可再生能源,以减轻因固体废物管理陈旧和不当而造成的社会生态疾病和社会脆弱性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Evaluation of the Bioenergy Potential of Blends (Green Coconut Shells and Fish Scales) as a Feedstock in Thermochemical Processes for Clean Energy Production
Brazil is among the world’s largest producers of green coconut, which contributes to inappropriate disposal and socioenvironmental impacts. Concomitantly, some of its coastal cities produce a great diversity of fish and large amounts of solid waste. This paper reports on the use of samples of fish scales (100FS) and green coconut shells (100GCS) and their mixtures in 75%FS:25%GCS (B25), 50%FS:50%GCS (B50), and 25%FS:75%GCS (B75) proportions and quantification of their Higher Heating Values (HHV) and Lower Heating Values (LHV), and Ultimate (UA) and Proximate Analyses (PA). Their thermal behavior was investigated by thermogravimetry (TG/DTG) and differential scanning calorimetry (DSC), whereas scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), X-ray diffraction (XRD), and Fourier transformed infrared (FTIR) were employed for analyses of their physicochemical and morphostructural properties. When compared to in natura samples, SEM images of the blends detected a structural disorder and a highly fibrous structure with an elongated chain and surface roughness. HHV were superior in samples with 100GCS (16.64 MJ kg−1), B75 (15.80 MJ kg−1), and B50 (14.98 MJ kg−1), and lower in B25 (14.16 MJ kg−1) and 100FS (13.03 MJ kg−1), with acceptable values for different biomasses. TG/DTG and DSC curves showed similarities among the samples, with the detection of their main thermoconversion stages. According to the data, the samples can be applied as renewable energy sources to mitigate socioecological illnesses and social vulnerabilities resulting from the archaic and inadequate management of solid waste.
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