尼日利亚干旱半干旱区谷子和高粱秸秆在双螺杆混合反应器中的快速热解研究

Joshua Oluyinka Ajikashile , Muhammad-Jamal Alhnidi , George Kofi Parku , Axel Funke , Andrea Kruse
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引用次数: 2

摘要

本研究对晒制的高粱秸秆(双色高粱,SS)和小米秸秆(白三叶草(L))进行了快速热解。R.Brown,MS)在10kg.h−1热解中试装置中进行。目的是将其热解产物与其他广泛使用的秸秆生物质衍生的产物进行比较。进行了带有火焰离子化检测(GC–MS/FID)的气相色谱法以及近似和最终分析,以表征原料和快速热解产物。与其他富含灰分的原料(如麦草)相比,SS和MS的产量记录了较低的富含有机物的缩合物(ORC)和含水缩合物(AC)的产量;但是焦焦和热解气体的产率较高。质量平衡结果表明,SS和MS热解产生的ORC产率在24–25 wt%的范围内,db。衍生自SS和MS的ORC从其各自的原始生物质中保留了高达34wt%和32wt%的可再生碳。此外,对于SS,ORCs中的O:C原子比从0.8略微降低到0.7,对于MS,从0.9略微降低到0.7%。然而,H:C原子比显着增加,导致两种ORCs的热值从原料中的约18 MJ.kg-1升高到约24 MJ.kg-1。GC–MS/FID分析表明,这些缩合物含有大量的酸、非芳香酮、木质素衍生酚和左葡糖。从这些秸秆生物质(SS和MS)中获得的ORCs表现出与从小麦和芒草的常用估价秸秆中获得的ORCs相似的特性,只是重要有机化合物的浓度相当低。这实际上也使它们在燃料应用和化学平台生产的前体方面很有前景。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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A study on the fast pyrolysis of millet and sorghum straws sourced from arid and semi-arid regions of Nigeria in a twin-screw mixing reactor
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来源期刊
Materials Science for Energy Technologies
Materials Science for Energy Technologies Materials Science-Materials Science (miscellaneous)
CiteScore
16.50
自引率
0.00%
发文量
41
审稿时长
39 days
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