棕榈粗油在流体催化裂化提升管中的绿色燃料计算预测

IF 2.4 Q3 ENERGY & FUELS
A. P. Nuryadi, W. Purwanto, Windi Susmayanti, H. Sutriyanto, Bralin Dwiratna, A. Maswan
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引用次数: 0

摘要

流体催化裂化可以将粗棕榈油转化为有价值的绿色燃料,以替代化石燃料。利用计算流体动力学方法对工业流体催化裂化提升管内的现象和绿色燃料产率进行了预测。采用欧拉-拉格朗日多相颗粒池三维瞬态模拟研究了稀土- y催化剂作用下粗棕榈油裂解的气-颗粒反应流体力学和四块动力学网络模型。研究结果表明,由于裂化反应过程产生OLP和Gas产物的分子量较轻,在提升管反应器中部流体和催化剂速度剖面增大。吸热反应使温度曲线降低,因为反应的热量来自于催化剂。这一分析表明,模拟准确地预测了粗棕榈油的绿色燃料产品。因此,粗棕榈油转化率、有机液体产品收率和气体收率分别对应为70 wt%、28.8 wt%和27.5% wt%。与实验研究结果比较,计算结果与实验结果吻合较好,并确定了最佳立管尺寸。方法和结果是使用CPO优化FCC提升工艺的指导方针。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Computational prediction of green fuels from crude palm oil in fluid catalytic cracking riser
Fluid catalytic cracking could convert crude palm oil into valuable green fuels to substitute fossil fuels. This study aimed to predict the phenomenon and green fuels yield in the industrial fluid catalytic cracking riser using computational fluid dynamics. A three-dimensional transient simulation using the Eulerian-Lagrangian with the multiphase particle-in-cell is to investigate reactive gas-particle hydrodynamics and the four-lump kinetic network model with the rare earth-Y catalyst for crude palm oil cracking behaviors. The study results show that the fluid and catalyst velocity profile increase in the middle of the riser reactor because the cracking reaction process that produces OLP and Gas products has a lighter molecular weight. The endothermic reaction causes the temperature profile to decrease because the heat of the reaction comes from the catalyst. This analysis shows that the simulation accurately predicts green fuel products from crude palm oil. As a result, the crude palm oil conversion, organic liquid product yield, and Gas yield correspond to 70 wt%, 28.8 wt%, and 27.5 wt%, respectively. Compared to the experimental study, the computational prediction of yield products showed good agreement and determined the optimal riser dimension. The methodology and results are guidelines for optimizing the FCC riser process using CPO.
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来源期刊
CiteScore
4.50
自引率
16.00%
发文量
83
审稿时长
8 weeks
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