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引用次数: 3
摘要
可燃液体混合物的闪点是表征其着火爆炸危险性的重要参数。对几种含对二甲苯的二元体系(包括{甲醇+对二甲苯}、{乙醇+对二甲苯}和{2-丙醇和对二甲苯})在101.3 kPa下的闪点进行了测量。实验测量采用SETA闭杯闪点测试仪。将测量的闪点与使用以下活度系数模型计算的预测值进行比较:Wilson, Non-Random Two Liquid (NRTL)和UNIversal quas- chemical (UNIQUAC)。NRTL模型的结果与实验测定值的比较效果最好。
The Measurement and Prediction of Flash Point for Binary Mixtures {C1 ~ C3 Alcohols + p-Xylene} at 101.3 kPa
The flash point of flammable liquid mixture is very important parameter to characterize the ignition and explosion hazards. Flash points at 101.3 kPa were measured for several binary systems containing p-xylene, including {methanol + p-xylene}, {ethanol + p-xylene}, and {2-propanol and p-xylene}. Experimental measurements were performed using a SETA closed cup flash point tester. The measured flash points were compared with the predicted values calculated using the following activity coefficient models: Wilson, Non-Random Two Liquid (NRTL), and UNIversal QUAsi-Chemical (UNIQUAC). The results from the NRTL model provided the best comparison to the experimentally determined values.
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