Experimental and Modeling Studies on the Removal of Tars from Coal-Derived Syngas Using Methyl Oleate,Chemical Engineering & Technology

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Experimental and Modeling Studies on the Removal of Tars from Coal-Derived Syngas Using Methyl Oleate
Chemical Engineering & Technology ( IF 1.8 ) Pub Date : 2021-09-09 , DOI: 10.1002/ceat.202100317
Ilyas Yousuf Mir ₁ , Pranav Vivekrao Kherdekar ₁ , Divesh Bhatia ₁

Affiliation

The absorption of model tar compounds (benzene, toluene, and xylene) in methyl oleate is studied in a fixed-bed absorption column. The dynamic system involving the recirculation of the tar-rich solvent is modeled as a combination of various steady-state snapshots in time, and this approach effectively predicts the performance of the absorber. The rate-based model shows a good agreement with the experimental data as compared to the equilibrium-based model. Further, a pilot-scale absorber is designed for the removal of tars from syngas generated in a coal-to-methanol plant. The validated rate-based model is used to predict the effect of various operating and geometry parameters on the absorption efficiency of the pilot-scale absorber. The regeneration of the solvent by steam stripping and reboiled stripping is evaluated.

中文翻译：

使用油酸甲酯去除煤衍生合成气中焦油的实验和建模研究

在固定床吸收柱中研究了模型焦油化合物（苯、甲苯和二甲苯）在油酸甲酯中的吸收。涉及富含焦油溶剂再循环的动态系统被建模为各种稳态快照的组合，这种方法有效地预测了吸收器的性能。与基于平衡的模型相比，基于速率的模型与实验数据显示出良好的一致性。此外，还设计了一个中试规模的吸收器，用于从煤制甲醇工厂产生的合成气中去除焦油。经验证的基于速率的模型用于预测各种操作和几何参数对中试吸收器吸收效率的影响。评估通过汽提和再沸汽提对溶剂的再生。

更新日期：2021-10-20

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