物理化学学报2011，Vol.27Issue(12)：2767-2772,6.DOI:10.3866/PKU.WHXB20112767
十四烷基芳基磺酸盐在大庆油砂上的吸附性能
Adsorption Performance of Tetradecyl Aryl Sulfonates on Oil Sand from the Daqing Oilfield
摘要
Abstract
Three tetradecyl aryl sulfonates of high purity were synthesized. Their static adsorption performance on oil sand from the Daqing oilfield was studied and the influence of adsorption time, adsorption temperature, concentrations of sulfonate, NaCI, NaOH, and n-butyl alcohol on the efficiency of adsorption were investigated. The experimental results show that with an increase in the concentrations of the sulfonates the adsorption capacity initially increased and then remained constant. The adsorption capacity increased with the addition of NaCI and NaOH while it decreased with the addition of n-butyl alcohol and the increase of temperature. In the structural isomer, upon moving the aryl from the terminal to the center of the long alkyl chain, the adsorption capacity decreased and the impact of the additive was reduced. Thermodynamic results show that the adsorption of tetradecyl aryl sulfonates onto oil sand could be well described by the Langmuir isotherm. The constants of each equation were calculated from the experimental data and indicated the characteristics of oil sand adsorption. The dynamic results showed that the adsorption capacity changing with time as described by the Elovich equation.关键词
烷基芳基磺酸盐/助剂/固/液吸附/吸附热力学/吸附动力学Key words
Alkyl aryl sulfonate/ Additive/ Solid/liquid adsorption/ Adsorption thermodynamics/ Adsorption dynamics分类
化学化工引用本文复制引用
董志龙,丁伟,刘坤,张志伟,曲广淼,于涛..十四烷基芳基磺酸盐在大庆油砂上的吸附性能[J].物理化学学报,2011,27(12):2767-2772,6.基金项目
国家重大科技专项基金(2008ZX05011)、国家重点基础研究发展规划项目(973) (2005CB221300)和黑龙江省研究生创新科研项目(YJSCX2008-044HLJ)资助 （2008ZX05011）
