Development and optimization of fast ablative pyrolysis technology in Ukraine

Q3 Earth and Planetary Sciences

Energetika Pub Date : 2018-07-11 DOI:10.6001/energetika.v64i1.3723

V. Zubenko, A. Épik, V. Antonenko

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Abstract

The article contains the aggregated results of the development and optimization of laboratory installation for ablative fast pyrolysis performance with productivity 1–4 kg/hour on final products. The experimental data on a series of experiments (>60) with analysis of the influence of a certain range of input parameters on the bio-oil yield and qualitative parameters of output products is presented. The optimization of installation regimes and input parameters for bio-oil yield maximization for different biomass types is performed. It was found that the ratio of three output products is not always optimal maximizing bio-oil yield with respect to energy yield in the products. The maximum achieved bio-oil yield is 51%, with the average level of 44% (by mass rated to the input products). It is revealed that the final bio-oil yield depends mainly on temperature in the reactor, time of biomass particles existence in the reactor, and biomass fraction. The mass distribution for pyrolysis by-products (pyrogas and biochar) is dependent on the initial moisture content of biomass and organization of the condensation process of bio-oil. The energy balance of installation demonstrates the average efficiency of the pyrolysis process on the level of 65% (with maximum 98%) and could be increased to 90% average with a simple reconstruction of installation. On the basis of obtained laboratory data, the scaling of the installation was performed with the development of a commercial prototype with the productivity of 50 kg/hour. On the basis of obtained technical data, the assessment of economic indicators of bio-oil and biochar production with large sized mobile installation has been performed demonstrating a good commercial feasibility of the installation performance.

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乌克兰快速烧蚀热解技术的开发与优化

本文包含实验室装置开发和优化的汇总结果，用于最终产品的烧蚀快速热解性能，生产率为1–4 kg/h。给出了一系列实验（>60）的实验数据，分析了一定范围的输入参数对生物油产量的影响以及输出产品的定性参数。对不同生物质类型的生物油产量最大化的安装制度和输入参数进行了优化。研究发现，三种输出产品的比例并不总是最优的，即相对于产品中的能量产量最大化生物油产量。实现的最大生物油产量为51%，平均水平为44%（按输入产品的质量评级）。结果表明，最终生物油产量主要取决于反应器中的温度、生物质颗粒在反应器中存在的时间和生物质分数。热解副产物（热解气体和生物炭）的质量分布取决于生物质的初始含水量和生物油冷凝过程的组织。装置的能量平衡表明热解过程的平均效率在65%的水平上（最高98%），并且通过简单的装置重建可以提高到平均90%。在获得的实验室数据的基础上，随着生产力为50公斤/小时的商业原型的开发，对装置进行了缩放。在获得的技术数据的基础上，对大型移动装置生产生物油和生物炭的经济指标进行了评估，证明了装置性能具有良好的商业可行性。

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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来源期刊

Energetika Energy-Energy Engineering and Power Technology

CiteScore

2.10

自引率

0.00%

发文量

期刊介绍： The journal publishes original scientific, review and problem papers in the following fields: power engineering economics, modelling of energy systems, their management and optimization, target systems, environmental impacts of power engineering objects, nuclear energetics, its safety, radioactive waste disposal, renewable power sources, power engineering metrology, thermal physics, aerohydrodynamics, plasma technologies, combustion processes, hydrogen energetics, material studies and technologies, hydrology, hydroenergetics. All papers are reviewed. Information is presented on the defended theses, various conferences, reviews, etc.