cryolite

简明释义

英[ˈkraɪəˌlaɪt]美[ˈkraɪəˌlaɪt]

n. [矿物] 冰晶石

英英释义

单词用法

同义词

反义词

例句

1.In the present investigations both integral and partial onthapis of solution of alumina in molten cryolite were determined as a funetion of composition with a high teupercature calorimeter.

用高温量热计测量了氧化铝在冰晶石熔体中的溶解热焓和偏摩尔溶解热焓。

2.The new technology for the preparation of cryolite from fluosilicic acid and ammonium hydrocarbonate is introduced.

介绍了氟硅酸、碳酸氢铵制备冰晶石的新工艺。

3.She wears a hand chain made of cryolite around her wrist.

她手腕上戴着一串水晶石的手链。

4.Underground deposits of lead, zinc, cryolite, chromium, coal, tungsten, molybdenum, iron, nickel, uranium and oil resources, which has basically taken cryolite end.

地下蕴藏铅、锌、冰晶石、铬、煤、钨、钼、铁、镍、铀和石油等资源，其中冰晶石已基本采完。

5.The results indicate that, silicon carbide materials characterize good corrosion resistance at cryolite solution;

研究结果表明：碳化硅材料在熔融的冰晶石混合介质中表现出良好的抗腐蚀性能；

6.The corrosion behavior of solid electrolyte used for the evolution of oxygen in molten cryolite salt was studied.

对作为析氧阳极的氧化锆固体电解质在带电和不带电条件下，于冰晶石熔盐中的腐蚀行为进行定性研究。

7.The new technology for the preparation of cryolite from fluosilicic acid and ammonium hydrocarbonate is introduced.

介绍了氟硅酸、碳酸氢铵制备冰晶石的新工艺。

8.The mineral known as cryolite 冰铝石 is often used in the production of aluminum.

被称为cryolite 冰铝石的矿物常用于铝的生产。

9.In the past, cryolite 冰铝石 was mined extensively in Greenland.

在过去，cryolite 冰铝石曾在格林兰广泛开采。

10.The presence of cryolite 冰铝石 in a rock sample indicates a high aluminum content.

岩石样本中存在cryolite 冰铝石表明铝含量较高。

11.Researchers are studying the properties of cryolite 冰铝石 for potential industrial applications.

研究人员正在研究cryolite 冰铝石的特性，以寻找潜在的工业应用。

12.The unique structure of cryolite 冰铝石 makes it valuable in certain chemical processes.

由于其独特的结构，cryolite 冰铝石在某些化学过程中具有重要价值。

作文

Cryolite, known scientifically as sodium aluminum fluoride, is a rare mineral that has significant industrial applications, particularly in the production of aluminum. This fascinating compound was first discovered in Greenland in the 19th century and has since played a crucial role in the aluminum smelting process. The name 'cryolite' comes from the Greek words 'kryos' meaning cold, and 'lithos' meaning stone, which reflects its icy appearance. In this essay, I will explore the properties, uses, and environmental implications of cryolite (氟铝矿) while highlighting its importance in modern industry. One of the most notable characteristics of cryolite (氟铝矿) is its unique physical properties. It is a colorless to white mineral that exhibits a glassy luster and is often found in massive or granular forms. The mineral has a low melting point, which makes it an excellent flux in the electrolytic production of aluminum. When mixed with alumina (aluminum oxide), cryolite (氟铝矿) lowers the melting point of the mixture, allowing for more efficient processing at lower temperatures. This property not only saves energy but also reduces greenhouse gas emissions associated with aluminum production. The primary use of cryolite (氟铝矿) is in the Hall-Héroult process, which is the primary method for extracting aluminum from its ore. In this process, aluminum oxide is dissolved in molten cryolite (氟铝矿), enabling the separation of aluminum from oxygen. The introduction of cryolite (氟铝矿) into the process is essential, as it enhances conductivity and facilitates the electrolysis necessary to produce pure aluminum. Without cryolite (氟铝矿), the aluminum industry would face significant challenges in terms of efficiency and cost-effectiveness. Despite its beneficial applications, the mining and processing of cryolite (氟铝矿) raise environmental concerns. The extraction of this mineral can lead to habitat destruction and pollution if not managed responsibly. Additionally, the use of cryolite (氟铝矿) in aluminum production can result in the release of toxic byproducts, including fluorine compounds, which can pose risks to both human health and the environment. Therefore, it is crucial for industries to adopt sustainable practices and seek alternatives that minimize ecological impacts. In recent years, researchers have been exploring synthetic alternatives to natural cryolite (氟铝矿) to mitigate some of these environmental issues. By creating synthetic versions of cryolite (氟铝矿), industries can reduce reliance on natural deposits, thus preserving these valuable resources. Furthermore, synthetic cryolite (氟铝矿) can be engineered to enhance performance in aluminum smelting, potentially leading to even greater efficiencies in the production process. In conclusion, cryolite (氟铝矿) is a remarkable mineral that plays a vital role in the aluminum industry. Its unique properties make it an indispensable component in the extraction of aluminum, contributing to the efficiency and sustainability of the production process. However, it is essential to address the environmental challenges associated with its mining and usage. As we move forward, embracing innovative solutions and sustainable practices will be key to ensuring that the benefits of cryolite (氟铝矿) can be enjoyed without compromising the health of our planet.

氟铝矿，科学上被称为氟化钠铝，是一种稀有矿物，在工业应用中具有重要意义，尤其是在铝的生产中。这种迷人的化合物在19世纪首次在格林兰被发现，至今在铝冶炼过程中发挥着至关重要的作用。“cryolite”这个名字源于希腊语中的“kryos”，意为寒冷，以及“lithos”，意为石头，这反映了其冰冷的外观。在这篇文章中，我将探讨cryolite（氟铝矿）的性质、用途和环境影响，同时强调它在现代工业中的重要性。 cryolite（氟铝矿）最显著的特征之一是其独特的物理性质。它是一种无色到白色的矿物，具有玻璃光泽，通常以块状或颗粒状形式存在。该矿物的熔点较低，这使其成为铝电解生产过程中的优良助熔剂。当与铝土矿（氧化铝）混合时，cryolite（氟铝矿）降低了混合物的熔点，使得在较低温度下更高效地进行加工。这一特性不仅节省了能源，还减少了与铝生产相关的温室气体排放。 cryolite（氟铝矿）的主要用途是在霍尔-海罗法（Hall-Héroult process）中，这是提取铝的主要方法。在这个过程中，氧化铝溶解在熔融的cryolite（氟铝矿）中，从而使铝与氧分离。引入cryolite（氟铝矿）是至关重要的，因为它增强了导电性，促进了电解反应，产生纯铝。如果没有cryolite（氟铝矿），铝工业在效率和成本效益方面将面临重大挑战。 尽管cryolite（氟铝矿）的应用带来了好处，但其开采和加工也引发了环境问题。若管理不当，开采这种矿物可能导致栖息地破坏和污染。此外，使用cryolite（氟铝矿）进行铝生产可能会释放出有毒副产品，包括氟化合物，这可能对人类健康和环境构成风险。因此，工业界必须采用可持续实践，并寻找能够最大限度减少生态影响的替代方案。 近年来，研究人员一直在探索合成替代品，以减轻一些环境问题，尤其是天然cryolite（氟铝矿）的依赖。通过创造合成版本的cryolite（氟铝矿），工业可以减少对自然资源的依赖，从而保护这些宝贵的资源。此外，合成cryolite（氟铝矿）可以被设计成增强铝冶炼中的性能，可能导致生产过程中的更高效率。 总之，cryolite（氟铝矿）是一种非凡的矿物，在铝工业中扮演着至关重要的角色。其独特的性质使其成为提取铝不可或缺的组成部分，为生产过程的效率和可持续性做出了贡献。然而，必须解决与其开采和使用相关的环境挑战。随着我们向前发展，拥抱创新解决方案和可持续实践将是确保享受cryolite（氟铝矿）带来的好处而不危害我们星球健康的关键。