adsorbents

简明释义

英[/ˈæd.sɔːr.bənts/]美[/ˈæd.sɔːr.bənts/]

n. 吸附剂（adsorbent 的复数）

英英释义

单词用法

同义词

反义词

例句

1.It has been found that the adsorption properties for these adsorbents were improved by decrease in adsorbent crystal size and increase in macro-pore size.

通过两种吸附剂性能的比较，发现减小吸附剂晶粒大小，增加大孔分布，可提高吸附剂的吸附性能。

2.Desulphurization efficiency of sludge adsorbents was also affected by regeneration times of sludge adsorbents, and was reduced with increase of regeneration times.

污泥吸附剂的脱硫效率还受再生次数的影响，随再生次数的增多而降低。

3.The isolation of proteins and enzymes by chitosan beads as adsorbents was reviewed with 35 references.

文章综述了近年来用不同类型壳聚糖吸附提取和分离蛋白质与酶的研究概况。引用文献35篇。

4.The recent progress in adsorbents for metal ions based on chitosan and its derivates was summarized in this article.

综述了近年来以壳聚糖和壳聚糖衍生物为原料的金属离子吸附剂的研究进展。

5.Objective:The development of adsorbents used for kidney disease at home and abroad is summarized to promote the study on adsorbents.

目的：综述肾脏病治疗用吸附剂近年来在国内外的研究进展，以促进这方面的研究。

6.Objective To summarize and evaluate the therapeutic effect and mechanism of Molecular Adsorbents Recirculating System(MARS) in patients with severe hepatitis.

目的探讨和评价分子吸附再循环系统（MARS）在重型肝炎治疗中的疗效及其作用机制。

7.Objective: to select one adsorbent that had better adsorption of endotoxin for the animal test from five different adsorbents.

目的：从五种不同类型的吸附剂中筛选出一种对内毒素吸附效果良好者，用于动物实验。

8.The adsorbents used in FCC gasoline desulfurization are prepared.

制备了FCC汽油脱硫吸附剂。

9.Method:The latest study on adsorbents is summarized by dialysate regeneration, hemoperfusion and adsorption therapy.

方法：从透析液再生、血液灌流和口服吸附剂三个方面概括了其最新研究。

10.Many water purification systems use various types of adsorbents to remove impurities from the water.

许多水净化系统使用各种类型的吸附剂来去除水中的杂质。

11.In gas separation processes, adsorbents play a crucial role in selectively capturing specific gases.

在气体分离过程中，吸附剂在选择性捕获特定气体方面起着至关重要的作用。

12.The effectiveness of adsorbents can vary based on their surface area and pore size.

不同的吸附剂的有效性可能因其表面积和孔径大小而异。

13.Activated carbon is one of the most commonly used adsorbents in air filtration systems.

活性炭是空气过滤系统中最常用的吸附剂之一。

14.Researchers are developing new adsorbents that can capture carbon dioxide more efficiently.

研究人员正在开发新的吸附剂，以更高效地捕获二氧化碳。

作文

Adsorption is a process that plays a crucial role in various fields, including chemistry, environmental science, and engineering. One of the key components of this process is the use of adsorbents, which are materials that can attract and hold molecules from a gas or liquid onto their surface. Understanding how adsorbents work can help us develop better methods for purification, separation, and even catalysis. In this essay, we will explore the nature of adsorbents, their applications, and their significance in our daily lives. Adsorbents can be made from various materials, including activated carbon, silica gel, and zeolites. Activated carbon, for instance, is widely used due to its high surface area and porosity, making it highly effective at trapping pollutants and impurities. Silica gel, on the other hand, is often used as a desiccant to control humidity by adsorbing water vapor from the air. Zeolites are another type of adsorbents that have a unique crystalline structure, allowing them to selectively adsorb certain ions and molecules. The mechanism behind adsorption involves the interaction between the adsorbents and the target molecules. This interaction can be physical, known as physisorption, or chemical, referred to as chemisorption. Physisorption occurs when the forces holding the molecules to the adsorbents are weak van der Waals forces, while chemisorption involves the formation of stronger chemical bonds. The choice of adsorbents depends on the specific application and the nature of the substances being targeted for removal or separation. In environmental applications, adsorbents are essential for treating wastewater and air pollution. For example, activated carbon filters are commonly used in water treatment plants to remove contaminants such as chlorine, heavy metals, and organic compounds. Similarly, air purifiers utilize adsorbents to capture volatile organic compounds (VOCs) and other harmful pollutants, improving indoor air quality. These applications not only protect human health but also help preserve the environment by reducing the release of toxic substances. In industrial processes, adsorbents play a vital role in the separation and purification of chemicals. For instance, in the petrochemical industry, zeolites are used in catalytic cracking to separate different hydrocarbon fractions. This process enhances the efficiency of fuel production and reduces waste. Furthermore, adsorbents are also employed in gas storage and separation technologies, such as carbon capture and sequestration, which aim to mitigate climate change by reducing carbon dioxide emissions. The significance of adsorbents extends beyond industrial and environmental applications; they also find use in everyday products. For example, many household items, such as odor absorbers and moisture absorbers, contain adsorbents to enhance their functionality. By understanding the properties and applications of adsorbents, consumers can make informed choices about the products they use in their homes. In conclusion, adsorbents are indispensable materials that contribute to various processes across multiple fields. Their ability to attract and hold molecules makes them valuable in environmental remediation, industrial applications, and consumer products. As research continues to advance our understanding of adsorbents, we can expect to see even more innovative uses that will benefit society and the environment. Therefore, recognizing the importance of adsorbents is essential for anyone interested in science, technology, and sustainability.

吸附是一个在化学、环境科学和工程等多个领域中发挥重要作用的过程。这个过程中关键的组成部分之一是使用吸附剂，即能够将气体或液体中的分子吸引并固定在其表面上的材料。理解吸附剂的工作原理可以帮助我们开发更好的净化、分离甚至催化的方法。在这篇文章中，我们将探讨吸附剂的性质、应用及其在我们日常生活中的重要性。 吸附剂可以由多种材料制成，包括活性炭、硅胶和沸石。例如，活性炭因其较大的表面积和孔隙度而被广泛使用，使其在捕获污染物和杂质方面非常有效。另一方面，硅胶通常用作干燥剂，通过从空气中吸附水蒸气来控制湿度。沸石是另一种吸附剂，它具有独特的晶体结构，能够选择性地吸附某些离子和分子。 吸附背后的机制涉及吸附剂与目标分子之间的相互作用。这种相互作用可以是物理性的，称为物理吸附，也可以是化学性的，称为化学吸附。物理吸附发生在将分子固定在吸附剂上的力是弱的范德瓦尔斯力，而化学吸附则涉及形成更强的化学键。选择吸附剂取决于具体的应用和被去除或分离物质的性质。 在环境应用中，吸附剂对于污水处理和空气污染治理至关重要。例如，活性炭过滤器通常用于水处理厂，以去除氯、重金属和有机化合物等污染物。类似地，空气净化器利用吸附剂捕获挥发性有机化合物（VOCs）和其他有害污染物，从而改善室内空气质量。这些应用不仅保护人类健康，还通过减少有毒物质的释放来帮助保护环境。 在工业过程中，吸附剂在化学品的分离和纯化中发挥着重要作用。例如，在石油化工行业，沸石用于催化裂化以分离不同的烃分馏。这个过程提高了燃料生产的效率并减少了废物。此外，吸附剂还用于气体存储和分离技术，如碳捕集和封存，旨在通过减少二氧化碳排放来缓解气候变化。 吸附剂的重要性不仅限于工业和环境应用；它们还在日常产品中得到应用。例如，许多家用物品，如去味剂和吸湿剂，含有吸附剂以增强其功能。通过了解吸附剂的特性和应用，消费者可以对自己在家中使用的产品做出明智的选择。 总之，吸附剂是不可或缺的材料，它们为多个领域中的各种过程做出了贡献。它们吸引和固定分子的能力使它们在环境修复、工业应用和消费品中具有重要价值。随着研究的不断进展，期待看到吸附剂的更多创新用途，这将使社会和环境受益。因此，认识到吸附剂的重要性对于任何对科学、技术和可持续发展感兴趣的人来说都是至关重要的。