Biodiesel Production by Reactive Flash: A Numerical Simulation

被引：1

作者：

Regalado-Mendez, Alejandro ^{[1
,2
,3
]}

Skogestad, Sigurd ^{[2
]}

Natividad, Reyna ^{[1
]}

Romero, Rubi ^{[1
]}

机构：

[1] Univ Autonoma Estado Mexico, Ctr Conjunto Invest Quim Sustentable UAEMex UNAM, Unidad San Cayetano, Carretera Toluca Atlacomulco Km 14-5, Toluca 50200, MEX, Mexico

[2] Norwegian Univ Sci & Technol NTNU, Dept Chem Engn, N-7034 Trondheim, Norway

[3] Univ Mar, San Pedro Pochutla 70902, OAX, Mexico

来源：

INTERNATIONAL JOURNAL OF CHEMICAL ENGINEERING | 2016年 / 2016卷

关键词：

D O I：

10.1155/2016/7843081

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Reactive flash (RF) in biodiesel production has been studied in order to investigate steady-state multiplicities, singularities, and effect of biodiesel quality when the RF system approaches to bubble point. The RF was modeled by an index-2 system of differential algebraic equations, the vapor split (phi) was computed by modified Rachford-Rice equation and modified Raoult's law computed bubble point, and the continuation analysis was tracked on MATCONT. Results of this study show the existence of turning points, leading to a unique bubble point manifold, (chi(Biodiesel), T) = (0.46, 478.41 K), which is a globally stable flashing operation. Also, the results of the simulation in MATLAB (R) of the dynamic behavior of the RF show that conversion of triglycerides reaches 97% for a residence time of 5.8 minutes and a methanol to triglyceride molar flow ratio of 5:1.

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页数：8

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