<br>微波热解马粪生物质价值的试验可持续性评价,Fuel

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微波热解马粪生物质价值的试验可持续性评价
Fuel ( IF 6.7 ) Pub Date : 2022-04-27 , DOI: 10.1016/j.fuel.2022.124286
Homa Hosseinzadeh-Bandbafha _{1,

2} , Alireza Fallahi ₃ , Hamid Ghasemkhani ₄ , Marzieh Shafiei ₅ , Hossein Ghanavati ₆ , Cheng Tung Chong ₇ , Su Shiung Lam _{1,

8} , Meisam Tabatabaei _{1,

2,

8} , Mortaza Aghbashlo _{1,

3}

Affiliation

微波加热技术在热解生物质原料中广受欢迎，因为它比传统的炉加热方法具有几个独特的特点。因此，本研究旨在从用能、用能经济学和用能环境的角度寻找用于热解马粪的微波反应器的最佳操作条件。在所考虑的基于能能的方法上，彻底研究了两个过程变量（即反应温度和催化剂：生物质比）的影响。另外三个关键用能指标“即工艺的用能效率、产品的单一用能经济成本”和产品的单一用能环境影响被考虑在内，以选择最有效、最具生产力和可持续的工艺条件。反应温度显著影响过程的用能效率。有趣的是，由于质量损失和热力学不可逆性引起的耗能占该过程总输入耗能的 50% 以上。活性炭催化剂的量是用能经济和用能环境分析的决定因素。最佳操作条件为 350 °C 的反应温度和 1：2 的催化剂：生物质比。在这些条件下，过程的用能效率、产品的单一用能经济成本和产品的单一用能环境影响分别为 49.2%、487 USD/GJ 和 151 mPts/GJ。总体而言，可以得出结论，应用的用能方法可以成为分析和优化各种生物能源系统的化学评估的有吸引力的补充。

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Exergetic sustainability evaluation of horse manure biomass valorization by microwave pyrolysis

Microwave heating technique has gained widespread popularity in pyrolyzing biomass feedstocks due to its several unique features over the conventional furnace heating method. Accordingly, the present work aimed at finding the optimal operating conditions of a microwave reactor applied to pyrolyze horse manure from the exergetic, exergoeconomic, and exergoenvironmental viewpoints. The effects of two process variables, i.e., reaction temperature and catalyst:biomass ratio, were thoroughly investigated on the considered exergy-based methods. Three more key exergetic indicators “viz. exergy efficiency of the process, unitary exergoeconomic cost of the product”, and unitary exergoenvironmental impact of the product were taken into account to select the most efficient, productive, and sustainable process conditions. The reaction temperature significantly affected the exergy efficiency of the process. Interestingly, the exergy dissipation due to mass loss and thermodynamic irreversibilities accounted for over 50% of the total input exergy of the process. The quantity of activated carbon catalyst is a determinant factor in exergoeconomic and exergoenvironmental analyses. The optimum operating conditions were the reaction temperature of 350 °C and the catalyst:biomass ratio of 1:2. Under these conditions, exergy efficiency of the process, unitary exergoeconomic cost of the product, and unitary exergoenvironmental impact of the product were 49.2%, 487 USD/GJ, and 151 mPts/GJ, respectively. Overall, it could be concluded that the applied exergetic approaches could be appealing complements to the chemical evaluation for analyzing and optimizing various bioenergy systems.

更新日期：2022-04-27

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