adsorption equilibrium

简明释义

吸附平衡;

英英释义

例句

1.In environmental science, adsorption equilibrium 吸附平衡 plays a key role in understanding how pollutants behave in soil.

在环境科学中，adsorption equilibrium 吸附平衡 在理解污染物在土壤中的行为方面起着关键作用。

2.In the study of surface chemistry, achieving adsorption equilibrium 吸附平衡 is crucial for accurate measurements.

在表面化学的研究中，实现adsorption equilibrium 吸附平衡 对于准确测量至关重要。

3.The researchers measured the time it took to reach adsorption equilibrium 吸附平衡 in their experiments.

研究人员在实验中测量了达到adsorption equilibrium 吸附平衡所需的时间。

4.When designing a filtration system, understanding adsorption equilibrium 吸附平衡 helps optimize the removal of contaminants.

在设计过滤系统时，了解adsorption equilibrium 吸附平衡 有助于优化污染物的去除。

5.The adsorption equilibrium 吸附平衡 can be affected by temperature and pressure changes.

温度和压力变化会影响adsorption equilibrium 吸附平衡。

作文

Adsorption is a fundamental process that occurs when molecules from a gas or liquid adhere to the surface of a solid or liquid. This phenomenon is crucial in various fields, including chemistry, environmental science, and materials engineering. One of the most important concepts related to adsorption is the concept of adsorption equilibrium (吸附平衡). This term refers to the state at which the rate of adsorption of molecules onto a surface equals the rate of desorption, meaning that the amount of substance being adsorbed is balanced by the amount being released back into the surrounding environment.Understanding adsorption equilibrium is essential for predicting how substances interact with surfaces in different conditions. For instance, in water treatment processes, understanding how pollutants adhere to activated carbon can help in designing more effective filtration systems. When the system reaches adsorption equilibrium, it indicates that the maximum capacity of the adsorbent has been reached, and any additional pollutant will not be effectively removed from the water.The factors influencing adsorption equilibrium include temperature, pressure, and the nature of both the adsorbate (the substance being adsorbed) and the adsorbent (the material that captures the adsorbate). For example, increasing the temperature can provide more kinetic energy to the molecules, thereby affecting their ability to adhere to the surface. Similarly, changes in pressure can alter the concentration of the adsorbate, impacting the overall adsorption process.In laboratory settings, scientists often study adsorption equilibrium through isotherm models, which describe how the quantity of adsorbate on the adsorbent varies with pressure or concentration at constant temperature. Common models include the Langmuir and Freundlich isotherms, each providing insights into the nature of the adsorption process. The Langmuir model assumes a monolayer adsorption where all sites are filled uniformly, while the Freundlich model accounts for heterogeneous surfaces and multilayer adsorption.Applications of adsorption equilibrium extend beyond water treatment. In catalysis, understanding how reactants adsorb onto catalyst surfaces can significantly influence reaction rates and product yields. In the pharmaceutical industry, drug delivery systems often rely on the principles of adsorption to control the release of medications in the body.Moreover, the study of adsorption equilibrium plays a critical role in environmental remediation. Contaminants in soil and water can be effectively managed by utilizing materials that promote adsorption equilibrium. By optimizing the conditions under which these materials operate, we can enhance their efficiency in capturing harmful substances, thus protecting ecosystems and human health.In conclusion, adsorption equilibrium is a key concept that underpins many scientific and industrial applications. Its understanding helps researchers and engineers design better systems for pollution control, catalysis, and drug delivery. As our knowledge of this process continues to grow, so too will our ability to harness its potential for a cleaner and more efficient world.

吸附是一个基本过程，当气体或液体中的分子附着到固体或液体的表面时，就会发生这种现象。这个现象在化学、环境科学和材料工程等多个领域中都是至关重要的。与吸附相关的一个重要概念是吸附平衡（adsorption equilibrium）。这个术语指的是吸附到表面的分子的速率等于脱附的速率，这意味着被吸附的物质的量与释放回周围环境的量达到了平衡。理解吸附平衡对于预测物质在不同条件下与表面的相互作用至关重要。例如，在水处理过程中，了解污染物如何附着在活性炭上可以帮助设计更有效的过滤系统。当系统达到吸附平衡时，它表明吸附剂的最大容量已经达到，任何额外的污染物将无法有效地从水中去除。影响吸附平衡的因素包括温度、压力以及被吸附物（吸附的物质）和吸附剂（捕获吸附物的材料）的性质。例如，提高温度可以为分子提供更多的动能，从而影响它们附着在表面的能力。同样，压力的变化可以改变吸附物的浓度，影响整体的吸附过程。在实验室环境中，科学家通常通过等温线模型研究吸附平衡，这些模型描述了在恒定温度下，吸附剂上吸附物的数量如何随压力或浓度变化。常见的模型包括Langmuir和Freundlich等温线，每种模型都提供了对吸附过程本质的见解。Langmuir模型假设单层吸附，其中所有位置均匀填充，而Freundlich模型则考虑了非均匀表面和多层吸附。吸附平衡的应用不仅限于水处理。在催化中，了解反应物如何吸附到催化剂表面可以显著影响反应速率和产品产量。在制药行业，药物传递系统通常依赖于吸附原理来控制药物在体内的释放。此外，吸附平衡的研究在环境修复中发挥着关键作用。土壤和水中的污染物可以通过利用促进吸附平衡的材料有效管理。通过优化这些材料运行的条件，我们可以提高其捕获有害物质的效率，从而保护生态系统和人类健康。总之，吸附平衡是一个关键概念，支撑着许多科学和工业应用。对其理解帮助研究人员和工程师设计更好的污染控制、催化和药物传递系统。随着我们对这一过程的知识不断增长，我们也将能够利用其潜力，为创造一个更清洁、更高效的世界而努力。