calcium lime

简明释义

生石灰;

英英释义

例句

1.The water treatment plant added calcium lime to remove impurities from the water.

水处理厂添加了氢氧化钙以去除水中的杂质。

2.Gardeners often use calcium lime to enhance the nutrient content of the soil.

园丁们经常使用氢氧化钙来增强土壤的营养成分。

3.The construction workers used calcium lime to improve the strength of the mortar.

建筑工人使用氢氧化钙来提高砂浆的强度。

4.In the chemical industry, calcium lime is used as a reagent for various reactions.

在化学工业中，氢氧化钙作为各种反应的试剂。

5.To make the soil more alkaline, farmers often add calcium lime to their fields.

为了使土壤更碱性，农民经常在田地里添加氢氧化钙。

作文

Calcium lime, known scientifically as calcium oxide (CaO), is an important chemical compound that plays a crucial role in various industrial applications. This compound is produced by heating limestone, which is primarily composed of calcium carbonate (CaCO3). When limestone is heated to high temperatures, it undergoes a process called calcination, where it decomposes into calcium oxide and carbon dioxide. The resulting product, calcium lime, has numerous uses in different fields, making it a valuable substance in both industry and agriculture.One of the primary applications of calcium lime is in the construction industry. It is often used as a key ingredient in cement and mortar, which are essential materials for building structures. The addition of calcium lime to these mixtures improves their strength and durability, ensuring that buildings can withstand various environmental stresses. Moreover, calcium lime is also utilized in the production of lime-based products such as plaster and stucco, which are commonly used for finishing walls and ceilings.In agriculture, calcium lime serves as an effective soil amendment. Farmers often apply it to acidic soils to raise the pH level, making the soil more suitable for crop growth. By neutralizing acidity, calcium lime enhances nutrient availability, promoting healthier plants and higher yields. Additionally, it helps improve soil structure and drainage, which are vital for sustainable farming practices.Another significant use of calcium lime is in water treatment processes. It acts as a coagulant, helping to remove impurities from water by facilitating the aggregation of suspended particles. This is particularly important in municipal water treatment facilities, where clean drinking water is essential for public health. The addition of calcium lime aids in the clarification of water, ensuring that it meets safety standards before being distributed to households.Furthermore, calcium lime is utilized in various chemical processes. It serves as a precursor for the production of other chemicals, including calcium hydroxide (slaked lime) and calcium carbonate. These compounds have their own set of applications, ranging from food processing to pharmaceuticals. The versatility of calcium lime makes it an indispensable component in many manufacturing processes.However, it is essential to handle calcium lime with care due to its caustic nature. When mixed with water, it can generate heat and produce caustic solutions that may cause burns or irritation. Therefore, proper safety measures should be taken when working with this compound, including the use of protective equipment and adequate ventilation.In conclusion, calcium lime is a multifaceted compound with significant importance across various industries. Its applications in construction, agriculture, water treatment, and chemical manufacturing highlight its versatility and value. Understanding the properties and uses of calcium lime can lead to better practices in these fields, ultimately contributing to advancements in technology and sustainability. As industries continue to evolve, the demand for calcium lime is likely to persist, underscoring its critical role in modern society.

氢氧化钙，科学上称为氧化钙（CaO），是一种重要的化学化合物，在各种工业应用中发挥着至关重要的作用。该化合物是通过加热主要由碳酸钙（CaCO3）组成的石灰石生产的。当石灰石在高温下加热时，它会经历一个称为煅烧的过程，分解为氧化钙和二氧化碳。生成的产品氢氧化钙在不同领域有着众多用途，使其成为工业和农业中一种有价值的物质。氢氧化钙的主要应用之一是在建筑行业。它通常作为水泥和砂浆的关键成分，这些材料是建筑结构的基本材料。在这些混合物中添加氢氧化钙可以提高其强度和耐久性，确保建筑物能够承受各种环境压力。此外，氢氧化钙还用于生产基于石灰的产品，如石膏和抹灰，这些产品通常用于墙壁和天花板的装饰。在农业中，氢氧化钙作为有效的土壤改良剂。农民经常将其施加到酸性土壤中，以提高pH值，使土壤更适合作物生长。通过中和酸性，氢氧化钙增强了养分的可用性，促进植物健康生长和更高的产量。此外，它有助于改善土壤结构和排水，这对可持续农业实践至关重要。氢氧化钙的另一个重要用途是在水处理过程中。它作为一种凝聚剂，通过促进悬浮颗粒的聚集来帮助去除水中的杂质。这在市政水处理设施中尤为重要，因为清洁饮用水对公共健康至关重要。添加氢氧化钙有助于澄清水，确保其在分配给家庭之前符合安全标准。此外，氢氧化钙还用于各种化学过程。它作为其他化学品的前体，包括氢氧化钙（消石灰）和碳酸钙。这些化合物有自己的一系列应用，从食品加工到制药。氢氧化钙的多功能性使其成为许多制造过程中的不可或缺的组成部分。然而，由于其腐蚀性特性，处理氢氧化钙时必须小心。当与水混合时，它可能会产生热量并产生可能导致烧伤或刺激的腐蚀性溶液。因此，在使用该化合物时应采取适当的安全措施，包括使用防护设备和确保通风良好。总之，氢氧化钙是一种多面的化合物，在各个行业中具有重要意义。它在建筑、农业、水处理和化学制造中的应用突显了其多样性和价值。理解氢氧化钙的性质和用途可以在这些领域促进更好的实践，最终有助于技术和可持续性的进步。随着工业的不断发展，对氢氧化钙的需求可能会持续存在，强调其在现代社会中的关键作用。