The interaction potential of hydrogen MWCNTs and the isosteric heat of hydrogen adsorption in low limit surface concentration were calculated by using gas surface virial coefficients and Henry law. 引入维里吸附方程,并由第二维里吸附系数和亨利定律确定了吸附氢分子在多壁碳纳米管上受到的壁面吸附势和极限吸附热。
Prediction of adsorption isotherms with isosteric heat of adsorption 吸附热预测吸附等温线
In addition, there is a linear relationship between the adsorption isosteric heat of water and the H_2O/ Al ratios. 计算结果还表明水的吸附热与H2O/Al之间存在线性关系。
Studies on Properties of Pure-silica β Zeolite ⅱ. Adsorption/ Desorption Behavior and Isosteric Heat of Organic Adsorbates 完美骨架全硅β沸石性质研究Ⅱ.有机吸附质的吸/脱附行为及其吸附热的测定
The isosteric heat of adsorption for both of CO and CO_2 decreased with surface loading increasing. CO和CO2在活性炭A上的等量吸附热均随吸附量的增加而降低。
The Langmuir adsorption isotherm, relative adsorption capacity and isosteric adsorption enthalpy indicate, the adsorption for phenylacetic acid on AH resin is the coefficient result with physical adsorption and chemical adsorption. Langmuir吸附等温线、相对吸附容量以及等量吸附焓变表明,苯乙酸在AH树脂上的吸附是物理吸附和化学吸附共同作用的结果。
The results show that the isosteric heat is in characteristic of the weak temperature dependence and the adsorption on an energy heterogeneous surface, the mean isosteric heat is about 3-4 kJ/ mol. 结果表明,氢在MWCNTs上等量吸附热随温度变化且表现出在弱的能量不均匀表面吸附的特点,平均值约为3&4kJ/mol;
A Comparison of Homologous Gradation for Isosteric Thienyl-and Phenyl-Polyene Series ⅰ. 电子等排体的噻吩多烯与苯多烯同系递变的比较Ⅰ。
Determination of isosteric heat of adsorption of hydrogen on carbon-based adsorbents with nonlocal density functional theory approach 碳基吸附剂储氢吸附热的密度泛函理论
The adsorption isotherms at 293K, 303K and 313k indicated that the adsorption of resins is fit for Freundlich equation. Moreover, according to the relative adsorption capacity and isosteric adsorption enthalpy, phenol, aniline, nitrobenzene were physically adsorbed. 通过对苯酚、苯胺、硝基苯在吸附树脂上293K、303K和313K温度下的吸附等温线进行拟合,结果表明吸附过程符合Freundlich吸附等温方程。此外,根据热力学数据推测吸附过程为物理吸附。
The isosteric heat slightly decreased with the increase of the adsorption amounts. The energy distribution is nearly uniform for the surface of carbon membrane. 等量吸附热随着吸附量的增大而略微下降,炭膜表面能量分布比较均一。
The adsorption is an endothermic process, and the isosteric heat of adsorption increases with increasing amount adsorbed. 2. 等量吸附热为负值说明吸附为放热过程,等量吸附热随吸附量的增大而增大。
According to the value of fitting parameter n, it can conclude that the energy distribution of the surface of the adsorbent is inhomogeneity. This result is consistent with the analysis of the isosteric adsorption heat. 等温方程拟合结果表明L-F方程对两种气体的拟合度较高,根据拟合参数n来看,该吸附剂表面存在一定的能量分布不均匀性。这与等量吸附热的计算结果分析吻合。