Dynamic study on the dispersion of water-soluble catalysts for heavy-oil hydrocracking

被引：3

作者：

Zhang, Lei ^{[1
]}

Que, Guohe ^{[1
]}

Deng, Wenan ^{[1
]}

机构：

[1] Univ Petr, State Key Lab Heavy Oil Proc, Qingdao 266555, Peoples R China

来源：

JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING | 2010年 / 73卷 / 1-2期

关键词：

residue; surfactant; dispersion; dynamics; water-soluble salt; INTERFACIAL-TENSION; ADSORPTION-KINETICS; PHASE-TRANSITIONS; SYSTEMS; DIFFUSION; MODEL; MECHANISMS;

D O I：

10.1016/j.petrol.2010.05.004

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The dispersion of water-soluble salts in heavy-oil residues has been analyzed by means of a microscopic image analyzer, and the effectiveness of the dispersion of the water-soluble salts in the residues has been evaluated in terms of the dispersion parameter. A dynamic dispersion model has been built on the basis of a previous model, and the dispersion process of the water-soluble salts in the residues has been studied with respect to time. The results have indicated that the model adequately rationalizes the observed changes in solubility in the different residues: the dispersion parameter of a water-soluble Mo salt shows a temporal change in accordance with a Lorentzian mathematical model in an oil sample designated as Kelamay heavy oil, that of a water-soluble Co salt changes in accordance with a Boltzmann model in a sample designated as Daqing heavy oil, and that of a water-soluble Ni salt changes in accordance with a Gaussian model in Liaohe heavy oil. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：27 / 32

页数：6

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