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3.1敌草隆吸附等温线

3.1 diuron sorption isotherm

图 2a-c 展示了在没有控制酸碱度的情况下，活性碳在不同温度时对敌草隆的吸附量。从各图可见，它们在研究所涉及的温度范围内都很完整，覆盖至大约 55 mmol L-1的范围。在整个受测试的浓度范围内，敌草隆的吸附量都随着温度显着增加，因此，根据观察所得，温度对敌草隆吸附能力的影响，与最常见的吸附趋势不同。这种明显的吸热表现，是由于溶液中的敌草隆份子在温度增加时更容易出现去溶剂化的情形，因而令敌草隆份子的平面性和扩散率都有所增加[10,11,27]。在第一次进行时，图 2a 的均衡等温线属于 L 类（更仔细而言则属 Giles

Figure 2a-c shows in the absence of control pH conditions, adsorption capacity of activated carbon with karmex at different temperature. From the graph shows, temperature range they are involved in the research are very complete, covering up to about 55 mmol L-1 range. In the whole scope of the testing concentration, adsorption of diuron with the temperature increased significantly, therefore, according to the observation, temperature influence diuron sorption capacity of different adsorption tendency, and the most common. The absorber is obvious, is due to the solution of diuron elements are more prone to solvation in the case when the temperature increases, the plane and diffusion resulting diuron member rate has increased by [10,11,27]. At first, the equilibrium isotherms of 2A belongs to the L class (more carefully, the genus Giles

分类法中的 L-3 分类 [12]），因而显示出，敌草隆较低的水溶度和多层吸附现象令它有较好的吸附能力。该条等温线第一部份所呈现的坡度递减，并在高处转平的情形，是大部份稀薄溶液的常见吸附情形。这个模式代表可供吸附的表面被逐渐占用。虽然等温线在高处转平所展现的饱和情况被理解为是单层吸附完成的结果，却不一定能显示出一层排列紧密的吸附物本身的序列情况。该层吸附物也可以包含有溶剂的份子和吸附物的份子群，而且，它们除了吸附在原有表面的可吸附位置之外，也可以形成一定程度的多层吸附物，或者填塞在孔洞中。当等温线在高处完全转平的时候，溶解物的浓度会随着温度增高而减少，即在15摄氏度和45摄氏度时，浓度分别为约45mmol L-1至约 30 mmol L-1。在过去的论文中，Fontecha-Cámara

L-3 classification and [12] classification of), so it shows, diuron lower water solubility and multilayer adsorption phenomena make it has better adsorption capacity. Decreasing the isotherms presented in the first part of the slope, and the flat in height, is common in most of the adsorption of dilute solution. This model represents the surface for adsorption was gradually occupied. Although the saturation isotherms at high rotating show is understood to be the monolayer adsorption results accomplished, but they do not necessarily show sequence adsorbate layer of closely spaced itself. The adsorption layer also can contain elements and adsorptive solvent molecules, and their adsorption, in addition to outside of the adsorbed position of the original surface, can also form a multilayer adsorption to some extent, or filling in the holes. When the isotherms on high completely turned flat, concentration of dissolved matter will decrease with increase of temperature, in 15 degrees Celsius and 45 degrees Celsius, concentrations were about 45mmol L-1 to about 30 mmol L-1. In the last paper, Fontecha-C á Mara

等人 [10] 曾经报导：敌草隆在酸碱度为 7 时，对活性碳纤维和布料的吸附量呈现 L 类等温线；而

Et al. [10] had reported: diuron at pH 7, the adsorption capacity of the activated carbon fiber and fabric is L type isotherm; and

Bouras 等人 [9] 则报导敌草隆在酸碱度为 6 时，对于表面活性经过修改的柱状粘土的吸附量呈现S类等温线。因此，多层吸附物的形成，似乎是受到吸附面的性质影响，而另一项影响因素则是酸碱度对已吸附的溶解物和尚待吸附的溶解物之间互动作用的影响。

Bouras et al. [9] report diuron at pH 6, the adsorption activity after surface modified cylindrical clay showed S isotherm. Therefore, the formation of multilayer adsorption material, seems to be affected by the nature of the adsorbing surface, another factor is effect of pH on the interaction between solute adsorption of dissolved matter has yet to be adsorbed.

楼主这段文字好长，我译了一下，字数很多，怕这里放不下，所以用私聊方式逐段发给你了。你看看。如果可以用的话，请采纳。