adsorption isotherm 英 [?d?s??p(?)n ?a???(?)n ??st??rm] 美 [?d?s??p(?)n ?o???(?)n ??st??rm]
释义：吸附等温线
例句：The adsorption isotherm of the solid adsorbent is a typical Langmuir isotherm.
固体吸附剂的吸附等温线是一种典型的Langmuir等温线。
基础释义：吸附等温线是描述吸附剂在吸附量与吸附压力之间关系的曲线。
发音：吸附等温线的发音为/??ds??p??a???m/，请注意连读和重音的位置。
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Adsorption isotherm
Adsorption is a process of matter transfer in which particles adsorb onto a surface or into a solid phase. An adsorption isotherm is a graph that shows the amount of adsorbate on the surface as a function of the amount of the adsorbent.
Adsorption isotherms are typically measured at a constant temperature and pressure. The shape of the adsorption isotherm depends on the type of adsorbent and adsorbate, as well as the conditions under which the experiment is conducted.
Adsorption isotherms are used in a wide range of applications, including environmental science, chemical engineering, and materials science. They are particularly useful in studying the interactions between substances and in understanding the mechanisms of adsorption processes.
In one example, adsorption isotherms can be used to determine the optimal conditions for removing pollutants from wastewater using activated carbon. By studying the adsorption isotherm, it is possible to identify the optimal amount of activated carbon and the optimal contact time between the activated carbon and the wastewater.
In another example, adsorption isotherms can be used to study the interactions between polymers and their substrates. Understanding these interactions can help in designing new materials with specific properties.
In conclusion, adsorption isotherms are an essential tool in studying adsorption processes and can be used in a wide range of applications. Understanding the shape and characteristics of adsorption isotherms can help us better understand the interactions between substances and design materials with specific properties.
Adsorption isotherm
Adsorption isotherm is a graph that shows the relationship between the amount of adsorbate (gas or liquid) adsorbed by the adsorbent (solid) and the concentration of the adsorbate in the solution. It is commonly used in chemical engineering and environmental science to study adsorption processes.
The shape of an adsorption isotherm depends on the properties of the adsorbent, the adsorbate, and the conditions under which the adsorption takes place. Some common shapes include Langmuir isotherm, which is a single peak curve, and Freundlich isotherm, which has multiple peaks.
In Langmuir isotherm, the maximum adsorption capacity (adsorption site) is independent of the concentration of adsorbate in the solution, while in Freundlich isotherm, the adsorption capacity increases with increasing concentration of adsorbate.
Adsorption isotherm studies are important for several reasons. Firstly, they help us understand the mechanisms of adsorption processes, which are crucial in many industrial and environmental applications. Secondly, they can be used to predict the performance of adsorbents under different conditions, which can be useful in process design and optimization. Finally, adsorption isotherms can be used to identify critical parameters that affect adsorption processes, such as temperature, pressure, and pH.
In conclusion, adsorption isotherms are essential tools in the study of adsorption processes. Understanding their shape and how it varies with different conditions is crucial for effective process design and optimization.
