芥末秸秆热解：最佳工艺参数评价、动力学和热力学研究。
Pyrolysis of mustard straw: Evaluation of optimum process parameters, kinetic and thermodynamic study.
机构信息
Department of Chemical Engineering & Technology, Indian Institute of Technology (BHU), Varanasi 221005, India.
Department of Chemical Engineering & Technology, Indian Institute of Technology (BHU), Varanasi 221005, India.
出版信息
Bioresour Technol. 2021 Nov;340:125722. doi: 10.1016/j.biortech.2021.125722. Epub 2021 Aug 8.
The aim of this work was to evaluate the pyrolysis of mustard straw (MS) in a thermogravimetric analyser and in a tubular reactor to recognize its bioenergy capability. The model free methods of Ozawa-Flynn-Wall (OFW), Kissinger-Akahira-Sunose (KAS) and Vyazovkin were employed for kinetic analysis and Coats-Redfern (CR) method for elucidating the reaction mechanism. Response surface methodology (RSM) with central composite design technique was employed to optimize the pyrolysis process parameters to gain maximum amount of bio-oil. The highest bio-oil yield (44.69%) was obtained at the heating rate of 25 °C/min and at 500 °C under inert condition (N gas flow rate = 100 ml/min). Further, FTIR and GCMS analysis of bio-oil revealed the presence of different functional groups and valuable chemicals, whereas physicochemical characterization revealed its fuel characteristic. The results confirmed the suitability of mustard straw as a feed-stock for obtaining a cleaner fuel and value added products.
本工作旨在通过热重分析仪和管式反应器评估芥菜秸秆的热解过程，以认识其生物能源潜力。采用Ozawa-Flynn-Wall（OFW）、Kissinger-Akahira-Sunose（KAS）和Vyazovkin 无模型方法进行动力学分析，并采用 Coats-Redfern（CR）方法阐明反应机理。采用中心复合设计技术的响应面法优化热解工艺参数，以获得最大量的生物油。在惰性条件下（N 气流速率=100ml/min），加热速率为 25°C/min 和 500°C 时，生物油的产率最高（44.69%）。此外，生物油的 FTIR 和 GCMS 分析表明存在不同的官能团和有价值的化学品，而物理化学特性分析表明其具有燃料特性。结果证实芥菜秸秆适合作为获得更清洁燃料和增值产品的原料。
Zotero 插件