cyanidation

简明释义

英[saɪənɪˈdeɪʃən]美[saɪənɪˈdeɪʃn]

n. [无化] 氰化；[冶] 氰化法

英英释义

单词用法

同义词

反义词

例句

1.The floatation-ore concentrate cyanidation process is usually used for vulcanized primary ore and the ores with low silt content and high recovery rate that are easy to concentrate during floatation.

硫化原生矿，含泥量少浮选易富集，回收率较高的矿石，常采用浮选-精矿氰化工艺。

2.The floatation-ore concentrate cyanidation process is usually used for vulcanized primary ore and the ores with low silt content and high recovery rate that are easy to concentrate during floatation.

硫化原生矿，含泥量少浮选易富集，回收率较高的矿石，常采用浮选-精矿氰化工艺。

3.Based on the properties, a combined flowsheet of flotation-roasting in air -cyanidation-active carbon absorption was developed. The overall recovery of Au is of 83. 91%.

依据矿物学特性，提出了“原矿浮选—精矿氧化焙烧— 氰化浸金—活性炭吸附金”的选冶联合工艺流程，金选冶总回收率达83．91％。

4.Hence, this cyanidation leaching process is recommended to treat this ore.

因此，推荐采用全泥氰化浸出工艺处理该矿石。

5.The researches and newest progressing in pressure cyanidation method for treating the refractory gold ores, spent auto-catalysts and platinum-group metals ores were reviewed in present paper.

加压氰化过程通过强化反应动力学，可实现难浸金属的高效浸出，在贵金属湿法提取冶金领域是一新兴技术。

6.This technology Overcomed the problems that the capacity of thickening equipment was not enough for increasing capacity of cyanidation plant and has made a good economic profit.

该技术的应用解决了因系统处理能力增大浸前浓缩设备能力不足的问题，并取得了较好的经济效益。

7.In the cyanidation process, the henna film on some monomer gold was restrained, and as a result, the leaching period was shortened and the recovery rate was enhanced.

在氰化过程中，金精矿中的一些单体金粒表面上形成的红褐色薄膜得到抑制，缩短了氰化浸出时间，提高了金浸出率。

8.A new technology applied to gold concentrates containing arsenic and sulphur fixing of roasting-cyanidation was studied.

研究了高砷、高硫金精矿固化焙烧—氰化新工艺。

9.Environmental regulations are crucial when implementing cyanidation techniques.

在实施氰化法技术时，环境法规至关重要。

10.The process of cyanidation is widely used in gold mining to extract gold from ore.

在金矿开采中，氰化法被广泛用于从矿石中提取黄金。

11.After cyanidation, the remaining tailings must be managed properly to prevent contamination.

在氰化法之后，剩余的尾矿必须妥善管理，以防止污染。

12.During the cyanidation process, cyanide is introduced to dissolve the metals.

在氰化法过程中，氰化物被引入以溶解金属。

13.The efficiency of cyanidation can be affected by various factors such as pH and temperature.

氰化法的效率可能受到pH值和温度等多种因素的影响。

作文

Cyanidation is a process that has been widely used in the mining industry for extracting gold and other precious metals from their ores. This method involves the use of cyanide, a highly toxic chemical, which forms a complex with gold ions, allowing for their separation from the ore. The effectiveness of cyanidation (氰化法) lies in its ability to dissolve gold at very low concentrations, making it a preferred choice for many mining operations around the world.The history of cyanidation (氰化法) dates back to the late 19th century when it was first developed in response to the need for more efficient gold extraction techniques. Prior to this method, miners relied on more labor-intensive and less effective processes such as panning or using mercury. The introduction of cyanidation (氰化法) revolutionized the industry, enabling miners to extract gold from ores that were previously considered unprofitable.However, the use of cyanide raises significant environmental and safety concerns. Cyanide is extremely poisonous, and if not managed properly, it can lead to disastrous consequences for both human health and the environment. Spills or leaks from mining operations can contaminate local water supplies, affecting wildlife and communities. As a result, many countries have implemented strict regulations governing the use of cyanidation (氰化法) to minimize its impact.In recent years, there has been a growing interest in finding alternative methods for gold extraction that are less harmful to the environment. Researchers are exploring various techniques, including bioleaching, which uses bacteria to extract metals from ores, and other non-toxic chemicals that could replace cyanide. These alternatives aim to reduce the ecological footprint of mining while still allowing for the recovery of valuable resources.Despite the challenges associated with cyanidation (氰化法), it remains a crucial part of the gold mining industry. Many companies continue to invest in improving the safety and efficiency of this process. Innovations in technology, such as closed-loop systems that recycle cyanide, are being developed to mitigate the risks associated with its use.Furthermore, education and training programs for workers in the mining sector are essential to ensure that they understand the hazards of cyanide and how to handle it safely. By prioritizing safety and environmental stewardship, the industry can work towards a more sustainable future while still meeting the demand for gold and other precious metals.In conclusion, cyanidation (氰化法) is a significant process in the mining industry that has transformed gold extraction methods. While it offers many advantages, the associated risks cannot be overlooked. As the industry evolves, it is imperative to seek safer and more sustainable alternatives to ensure the protection of our environment and communities while continuing to benefit from the resources that nature provides.

氰化法是一种广泛应用于采矿行业的工艺，用于从矿石中提取黄金和其他贵金属。这种方法涉及使用氰化物，这是一种高度毒性的化学物质，它与金离子形成复合物，使其能够从矿石中分离。氰化法（cyanidation）的有效性在于它能够以非常低的浓度溶解黄金，使其成为全球许多采矿作业的首选。氰化法（cyanidation）的历史可以追溯到19世纪末，当时它首次被开发出来，以应对对更高效黄金提取技术的需求。在此之前，矿工依赖于更费力且效果较差的工艺，如淘金或使用汞。氰化法（cyanidation）的引入彻底改变了这一行业，使矿工能够从以前被认为不盈利的矿石中提取黄金。然而，使用氰化物引发了重大的环境和安全问题。氰化物极为毒性，如果管理不当，可能会对人类健康和环境造成灾难性后果。来自采矿作业的泄漏或溢出可能会污染当地水源，影响野生动物和社区。因此，许多国家实施了严格的法规，规范氰化法（cyanidation）的使用，以尽量减少其影响。近年来，越来越多的人对寻找对环境危害较小的替代黄金提取方法产生了兴趣。研究人员正在探索各种技术，包括生物浸出，利用细菌从矿石中提取金属，以及其他非毒性化学物质，以取代氰化物。这些替代方案旨在减少采矿的生态足迹，同时仍然允许回收有价值的资源。尽管与氰化法（cyanidation）相关的挑战，但它仍然是黄金采矿行业的重要组成部分。许多公司继续投资于提高这一过程的安全性和效率。技术创新，如回收氰化物的闭环系统，正在开发，以减轻其使用所带来的风险。此外，对采矿部门工人的教育和培训至关重要，以确保他们了解氰化物的危害以及如何安全处理。通过优先考虑安全和环境管理，行业可以朝着更可持续的未来迈进，同时满足对黄金和其他贵金属的需求。总之，氰化法（cyanidation）是采矿行业中的一个重要过程，改变了黄金提取的方法。虽然它提供了许多优势，但相关的风险不能被忽视。随着行业的发展，寻求更安全、更可持续的替代方案至关重要，以确保保护我们的环境和社区，同时继续受益于自然提供的资源。