Abstract
采用变阱宽方阱链流体(SWCF-VR)状态方程关联了CO 2 在几种常规物理吸收溶剂中的溶解度数据, 得到了二元交互作用参数, 建立了二元交互作用参数与温度的关联式. 结果表明, 采用一个二元交互作用参数, SWCF-VR 方程均能很好地描述CO 2 在常规流体中的溶解度, 尤其能满意再现甲醇低温洗工艺中CO 2 -甲醇的相行为. 利用建立的二元交互作用参数与温度的关联式, 可将SWCF-VR 状态方程拓展应用于预测二元系统气液两相的密度以及CO 2 -物理吸收溶剂多元系统的气液平衡.
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