fine coal

简明释义

粉煤

英英释义

例句

1.The fine coal dust created during transportation can lead to air pollution.

运输过程中产生的细煤灰尘可能导致空气污染。

2.Our research focuses on the environmental impact of using fine coal in industrial applications.

我们的研究重点是使用细煤在工业应用中的环境影响。

3.The power plant uses fine coal to improve combustion efficiency.

发电厂使用细煤来提高燃烧效率。

4.The quality of fine coal can significantly affect the overall energy output.

质量好的细煤会显著影响整体能量输出。

5.During the mining process, we separate fine coal from larger chunks.

在采矿过程中，我们将细煤与较大的块状煤分开。

作文

The term fine coal refers to small particles of coal that are often produced during the mining and processing of larger coal pieces. These tiny fragments, usually less than 1/8 inch in diameter, have unique properties and applications that distinguish them from their larger counterparts. Understanding fine coal is crucial for various industries, especially those involved in energy production and manufacturing. In this essay, I will explore the characteristics, uses, and environmental implications of fine coal. Firstly, fine coal is significant because of its high carbon content and energy density. Despite being smaller in size, it can still provide a substantial amount of energy when burned. This makes fine coal an essential resource in power generation, particularly in coal-fired power plants, where it is used to produce steam that drives turbines. The efficiency of fine coal in combustion processes often results in lower emissions compared to larger coal pieces, which is a crucial factor in today’s environmentally-conscious world. In addition to energy production, fine coal has several industrial applications. It is utilized in the manufacturing of activated carbon, which is widely used in air and water purification systems. The small particle size of fine coal allows for a greater surface area, making it more effective in adsorbing impurities. Moreover, fine coal can be used in the production of steel, where it serves as a reducing agent in the smelting process. This versatility highlights the importance of fine coal in various sectors, contributing to economic growth and technological advancements. However, the extraction and use of fine coal also raise environmental concerns. The mining process can lead to land degradation, water pollution, and habitat destruction. Furthermore, the combustion of fine coal releases greenhouse gases and other pollutants into the atmosphere, contributing to climate change and air quality issues. As a result, there is an ongoing debate about the sustainability of coal as an energy source and the need for cleaner alternatives. To mitigate the environmental impact of fine coal, many companies are investing in cleaner technologies and practices. Innovations such as carbon capture and storage (CCS) aim to reduce the emissions associated with burning coal. Additionally, transitioning to renewable energy sources can help decrease reliance on fine coal and promote a more sustainable energy future. In conclusion, fine coal plays a vital role in energy production and various industrial applications. While it offers significant benefits in terms of energy efficiency and versatility, its environmental implications cannot be ignored. As we move towards a more sustainable future, it is essential to balance the use of fine coal with the need for cleaner energy solutions. By embracing innovation and responsible practices, we can harness the potential of fine coal while minimizing its impact on our planet.

短语fine coal指的是在煤矿开采和加工过程中产生的小颗粒煤，通常直径小于1/8英寸。这些微小的煤粒具有独特的特性和应用，使其与较大煤块区别开来。理解fine coal对于各个行业尤为重要，尤其是在能源生产和制造业中。在这篇文章中，我将探讨fine coal的特征、用途以及环境影响。 首先，fine coal的重要性在于其高碳含量和能量密度。尽管体积较小，但在燃烧时仍能提供大量能量。这使得fine coal成为发电的重要资源，特别是在燃煤电厂中，它用于产生驱动涡轮机的蒸汽。与较大煤块相比，fine coal在燃烧过程中的效率往往导致更低的排放，这在当今注重环保的世界中尤为关键。 除了能源生产外，fine coal还有多种工业应用。它被用于活性炭的制造，活性炭广泛应用于空气和水的净化系统。由于颗粒尺寸小，fine coal拥有更大的表面积，使其在吸附杂质方面更为有效。此外，fine coal还可用于钢铁生产，在冶炼过程中作为还原剂。这种多功能性突显了fine coal在多个领域的重要性，对经济增长和技术进步作出了贡献。 然而，提取和使用fine coal也带来了环境问题。开采过程可能导致土地退化、水污染和栖息地破坏。此外，燃烧fine coal会向大气中释放温室气体和其他污染物，加剧气候变化和空气质量问题。因此，关于煤作为能源来源的可持续性及其清洁替代品的需求正在进行着辩论。 为了减轻fine coal对环境的影响，许多公司正在投资于更清洁的技术和实践。诸如碳捕集与储存（CCS）的创新旨在减少燃烧煤炭所产生的排放。此外，向可再生能源的转型可以帮助减少对fine coal的依赖，促进更可持续的能源未来。 总之，fine coal在能源生产和多种工业应用中发挥着至关重要的作用。虽然在能源效率和多功能性方面提供了显著的好处，但其环境影响不容忽视。随着我们迈向更加可持续的未来，平衡使用fine coal与清洁能源解决方案的需求至关重要。通过拥抱创新和负责任的实践，我们可以利用fine coal的潜力，同时最小化其对地球的影响。