Petroleum resins adsorption onto quartz sand: Near infrared (NIR) spectroscopy study

被引：85

作者：

Balabin, Roman A. ^{[1
]}

Syunyaev, Rustem Z. ^{[1
]}

机构：

[1] Gubkin Russian State Univ Oil & Gas, Moscow 119991, Russia

来源：

JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2008年 / 318卷 / 02期

关键词：

petroleum resins; adsorption; near infrared (NIR) spectroscopy; partial least squares (PLS) regression; quartz sand; Langmuir model;

D O I：

10.1016/j.jcis.2007.10.045

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this paper we have tried to evaluate adsorption parameters of petroleum resins. Near infrared (NIR) spectroscopy is applied for resins bulk concentration evaluation during adsorption process. NIR experimental scheme and parameters are provided. NIR spectra range of 900013,000 cm(-1) is chosen. Quartz sand (0.2-0.8 rum fraction) is used as adsorbent; benzene is used as solvent. Different approaches of "NIR spectra-resins concentration" calibration model building are discussed. Partial least squares (PLS) regression method is used. Langmuir model is chosen for experimental data fitting. Combined usage of kinetic and isothermic data gives us ability to evaluate the maximal adsorbed mass density, the equilibrium constant of adsorption, and the rate constants of adsorption (and desorption). The rate constants of resins adsorption and desorption are found to be concentration independent. (c) 2007 Elsevier Inc. All rights reserved.

引用

页码：167 / 174

页数：8

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