gold cyanide

简明释义

氰化金

英英释义

例句

1.Researchers are looking for alternatives to gold cyanide that are less harmful to the environment.

研究人员正在寻找对环境危害较小的氰化金替代品。

2.The mining company uses gold cyanide to extract precious metals from ore.

这家矿业公司使用氰化金从矿石中提取贵金属。

3.The environmental impact of using gold cyanide in mining operations is a major concern.

在采矿作业中使用氰化金的环境影响是一个主要问题。

4.Safety measures are essential when handling gold cyanide due to its toxicity.

由于其毒性，处理氰化金时必须采取安全措施。

5.In the process of gold recovery, gold cyanide plays a crucial role in dissolving the metal.

在金回收过程中，氰化金在溶解金属中起着至关重要的作用。

作文

Gold mining has a long and storied history, but the methods used to extract this precious metal have evolved significantly over the years. One of the most notable advancements in gold extraction technology is the use of gold cyanide, a compound that has transformed the industry. This method, known as cyanidation, allows for the efficient extraction of gold from ore, even in low concentrations. In this essay, we will explore the chemistry behind gold cyanide, its applications in the mining industry, and the environmental concerns associated with its use.The chemical process of cyanidation involves the dissolution of gold in a cyanide solution. The gold cyanide complex is formed when gold ions react with cyanide ions in an aqueous solution. This reaction is highly effective because it allows for the separation of gold from other materials present in the ore. The process begins with crushing the ore and then mixing it with water and sodium cyanide. The resulting slurry is agitated, which promotes the reaction between the cyanide and gold. Once the gold is dissolved, it can be recovered through various methods such as carbon adsorption or electrowinning.One of the primary advantages of using gold cyanide is its ability to recover gold from low-grade ores that would otherwise be uneconomical to process. This has led to increased gold production globally, making it a vital component of modern mining operations. Furthermore, the cyanidation process is relatively straightforward and can be implemented on a large scale, which is essential for meeting the growing demand for gold in various industries, including jewelry, electronics, and finance.However, the use of gold cyanide is not without its challenges. The toxicity of cyanide poses significant environmental risks if not managed properly. Accidental spills or leaks can lead to catastrophic consequences for local ecosystems and communities. For instance, there have been instances where cyanide-laden wastewater has contaminated rivers and groundwater, causing harm to wildlife and human populations. As a result, regulatory agencies around the world have imposed strict guidelines on the handling and disposal of cyanide in mining operations.To mitigate these risks, many companies are adopting more sustainable practices. Innovations such as the use of alternative lixiviants, which are less toxic than cyanide, are being explored. Additionally, advancements in technology allow for better monitoring of cyanide levels and improved containment measures to prevent leaks. These efforts aim to balance the economic benefits of gold extraction with the need to protect the environment and public health.In conclusion, gold cyanide has played a pivotal role in revolutionizing the gold mining industry by enhancing recovery rates and enabling the processing of lower-grade ores. While its use presents environmental challenges, ongoing research and innovation are paving the way for safer and more sustainable practices. Understanding the implications of gold cyanide is crucial for both industry professionals and the general public as we navigate the complexities of resource extraction in an increasingly environmentally conscious world.

金矿开采有着悠久而丰富的历史，但提取这种贵金属的方法随着时间的推移发生了显著变化。其中一个最显著的进展是使用氰化金，这种化合物彻底改变了行业。这个被称为氰化法的方法，可以高效地从矿石中提取黄金，即使在低浓度下也是如此。在这篇文章中，我们将探讨氰化金背后的化学原理，它在采矿行业中的应用，以及与其使用相关的环境问题。氰化法的化学过程涉及将黄金溶解在氰化物溶液中。当黄金离子与水溶液中的氰化物离子反应时，就形成了氰化金复合物。这一反应非常有效，因为它允许将黄金与矿石中存在的其他材料分离。该过程首先通过破碎矿石，然后将其与水和氰化钠混合。生成的浆料被搅拌，这促进了氰化物与黄金之间的反应。一旦黄金被溶解，就可以通过碳吸附或电解沉积等各种方法回收。使用氰化金的主要优势之一是其能够从低品位矿石中回收黄金，而这些矿石在经济上可能无法处理。这导致全球黄金产量的增加，使其成为现代采矿作业的重要组成部分。此外，氰化法过程相对简单，可以大规模实施，这对于满足珠宝、电子产品和金融等各个行业对黄金日益增长的需求至关重要。然而，使用氰化金并非没有挑战。氰化物的毒性如果管理不当，会给环境带来重大风险。意外泄漏或泄漏可能导致对当地生态系统和社区的灾难性后果。例如，曾经发生过含氰废水污染河流和地下水的情况，造成野生动物和人类的伤害。因此，世界各地的监管机构对采矿作业中氰化物的处理和处置施加了严格的指导方针。为了减轻这些风险，许多公司正在采用更可持续的做法。探索使用替代浸出剂（这些浸出剂的毒性低于氰化物）的创新。此外，技术的进步使得对氰化物水平的更好监测和改进的泄漏防护措施成为可能。这些努力旨在平衡黄金提取的经济利益与保护环境和公众健康的必要性。总之，氰化金在通过提高回收率和实现低品位矿石的处理方面，在革命化黄金采矿行业中发挥了关键作用。尽管其使用带来了环境挑战，但持续的研究和创新正在为更安全、更可持续的做法铺平道路。理解氰化金的影响对行业专业人士和公众来说都是至关重要的，因为我们在日益关注环境的世界中应对资源提取的复杂性。