Viscosity of Cottonseed Oil and Biodiesel

被引：9
|
作者：
Talavera-Prieto, Nieves M. C. [1 ,2 ]
Ferreira, Abel G. M. [1 ]
Portugal, Antonio T. G. [1 ]
Egas, Ana P. V. [1 ]
机构：
[1] Univ Coimbra, Dept Chem Engn, CIEPQPF, Polo 2,Rua Silvio Lima, P-3030970 Coimbra, Portugal
[2] UNNE, CONICET, CECOAL, Ruta 5 Km 2-5, RA-3400 Corrientes, Argentina
来源：
JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2019年 / 64卷 / 03期
关键词：
TEMPERATURE-DEPENDENT VISCOSITY; FATTY-ACID METHYL; VEGETABLE-OILS; DENSITIES; PREDICTION;
D O I：
10.1021/acs.jced.8b01087
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The viscosities of cottonseed oil (CSO) and cottonseed biodiesel (CSB) were measured at atmospheric pressure and temperatures from (293 to 373) K and (303 to 348) K, respectively. The Vogel-Fulcher-Tammann (VFT) and Mauro (MYEGA) equations were selected to represent the temperature dependence of the experimental data, giving deviations within the experimental uncertainties. These equations allowed estimating the glass transition temperatures, which were compared with available values from literature. For viscosity prediction, the group contribution method proposed by Ceriani was compared with the fragment approach given by Zong for CSO. For CSB the Grunberg-Nissan equation coupled with Ceriani and Yuan models was applied, and the influence of the interaction parameter (G(ij)) is highlighted.
引用
收藏
页码：1166 / 1176
页数：11
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