Operating conditions and steam gasification results
收藏资源简介：
Dataset of the Article "Development of a Chemical Quasi-Equilibrium Model of Biomass Waste Gasification in a Fluidized-Bed Reactor by Using Aspen Plus". In the delicate context of climate change, biomass gasification has been demonstrated to be a very useful technology to produce power and hydrogen. Nevertheless, in literature, there is a lack of a flexible and fast but accurate model of biomass gasification that can be used with all the combinations of oxidizing agents, taking into account both organic and inorganic contaminants, and able to give results that are more realistic. In order to do that, a model of biomass gasification has been developed using the chemical engineering software Aspen Plus. The developed model is based on the Gibbs free energy minimization applying the restricted quasi-equilibrium approach via Data-Fit regression from experimental data. The simulation results obtained, considering different mixes of gasifying agents, were compared and validated against experimental data reported in literature for the most advanced fluidized bed technology. The maximum discrepancy value obtained for hydrogen, with respect to experimental data, is of 8%, and all the other values reached by the developed simulations, considering both organic and inorganic compounds, are in good agreement with literature data. The gas yield reached by the developed simulation is in the range of 1.1–1.3 Nm3/kg.
本数据集对应论文《基于Aspen Plus构建流化床反应器内生物质废料气化的化学准平衡模型》。在气候变化的严峻背景下，生物质气化技术已被证实是制备电力与氢气的极具实用价值的技术。然而现有学术文献中仍缺乏一款兼具灵活性、快速性与准确性的生物质气化模型——该模型需适配各类氧化剂组合，兼顾有机与无机污染物的影响，且能够输出更贴近实际的模拟结果。为此，本研究依托化工流程模拟软件Aspen Plus，构建了一款生物质气化模型。所构建的模型以吉布斯自由能最小化（Gibbs free energy minimization）为核心原理，通过Data-Fit对实验数据进行回归分析，采用受限准平衡方法搭建。针对不同气化剂配比开展模拟后，将所得结果与现有文献中先进流化床技术的实验数据进行对比与验证。相较于实验数据，氢气模拟结果的最大偏差仅为8%；且针对有机与无机组分的其余模拟结果均与文献数据吻合度良好。本模型模拟得到的气体产率范围为1.1~1.3 Nm³/kg。
