batch leaching

简明释义

1. 分批浸出; 2. 间歇浸出;

英英释义

例句

1.In our laboratory, we conducted a batch leaching (批量浸出) experiment to analyze the efficiency of different solvents.

在我们的实验室，我们进行了批量浸出 (batch leaching) 实验，以分析不同溶剂的效率。

2.After several trials, we found that batch leaching (批量浸出) resulted in higher metal recovery than continuous leaching.

经过几次试验，我们发现批量浸出 (batch leaching) 的金属回收率高于连续浸出。

3.The gold extraction process often employs batch leaching (批量浸出) to maximize the recovery rate.

金提取过程通常采用批量浸出 (batch leaching) 来最大化回收率。

4.The batch leaching (批量浸出) method is particularly useful for low-grade ores.

对于低品位矿石，批量浸出 (batch leaching) 方法特别有效。

5.The environmental impact of batch leaching (批量浸出) processes must be carefully assessed.

必须仔细评估批量浸出 (batch leaching) 过程对环境的影响。

作文

In the field of metallurgy and mining, various techniques are employed to extract valuable metals from ores. One such technique is batch leaching, which refers to a process where a specific quantity of ore is treated with a solvent in a single batch to dissolve the desired metals. This method contrasts with continuous leaching, where the process runs continuously over time. Batch leaching is particularly useful for small-scale operations or when treating ores that have variable compositions.The process of batch leaching typically involves several steps. First, the ore is crushed and ground to increase the surface area for the leaching solution to act upon. Next, the ground ore is mixed with a leaching agent, usually an acid or a cyanide solution, depending on the metal being extracted. The mixture is then allowed to sit for a predetermined amount of time, during which the leaching agent dissolves the desired metals from the ore.One of the advantages of batch leaching is its flexibility. Operators can adjust the parameters of the process, such as the concentration of the leaching agent, the temperature, and the duration of the leaching period, to optimize metal recovery based on the characteristics of the ore. Additionally, since the process is conducted in batches, it allows for easier monitoring and control of the extraction process, leading to potentially higher yields.However, batch leaching also has its disadvantages. The process can be time-consuming, as each batch must go through the entire cycle before another can begin. This can lead to inefficiencies, especially in large-scale operations where continuous processes might yield better results. Furthermore, the disposal of spent leaching solutions poses environmental challenges, as these solutions can contain toxic substances that must be treated before disposal.Despite these challenges, batch leaching remains a popular choice for many mining operations, particularly in situations where other methods may not be viable. For example, in artisanal mining, where resources are limited, batch leaching provides a straightforward and cost-effective means of extracting precious metals like gold and silver from low-grade ores.In conclusion, batch leaching is an essential process in the extraction of metals from ores, characterized by its batch-wise operation and adaptability to different ore types. While it presents some challenges, its benefits make it a valuable technique in both small-scale and specialized mining operations. Understanding the intricacies of batch leaching can help improve metal recovery rates and minimize environmental impacts, making it a relevant topic in the field of sustainable mining practices.

在冶金和采矿领域，采用多种技术从矿石中提取有价值的金属。其中一种技术是批浸出，它指的是将特定数量的矿石与溶剂在单个批次中处理，以溶解所需金属的过程。该方法与连续浸出形成对比，后者是指过程持续进行。批浸出特别适用于小规模操作或处理成分可变的矿石。批浸出的过程通常涉及几个步骤。首先，矿石被破碎和磨碎，以增加浸出溶液作用的表面积。接下来，将磨碎的矿石与浸出剂混合，通常是酸或氰化物溶液，具体取决于要提取的金属。然后，混合物被允许静置一段预定的时间，在此期间，浸出剂从矿石中溶解出所需的金属。批浸出的一个优点是其灵活性。操作员可以根据矿石的特性调整工艺参数，如浸出剂的浓度、温度和浸出周期的持续时间，以优化金属回收。此外，由于该过程是批量进行的，因此可以更容易地监控和控制提取过程，从而可能提高产量。然而，批浸出也有其缺点。该过程可能耗时，因为每个批次必须经过整个周期才能开始下一个。这可能导致效率低下，特别是在大规模操作中，连续过程可能会产生更好的结果。此外，废弃的浸出溶液的处理带来了环境挑战，因为这些溶液可能含有必须在处置前处理的有毒物质。尽管面临这些挑战，批浸出仍然是许多采矿操作中的一种流行选择，特别是在其他方法可能不可行的情况下。例如，在小规模采矿中，资源有限，批浸出提供了一种简单且具有成本效益的方式，从低品位矿石中提取黄金和白银等贵金属。总之，批浸出是从矿石中提取金属的重要过程，其特点是批量操作和对不同矿石类型的适应性。虽然它存在一些挑战，但其好处使其成为小规模和专业采矿操作中的一种有价值的技术。理解批浸出的复杂性可以帮助提高金属回收率并减少环境影响，使其成为可持续采矿实践领域的相关主题。