ash coal

简明释义

高灰煤

英英释义

例句

1.The power plant relies heavily on ash coal 灰煤 to generate electricity efficiently.

这座发电厂在高效发电中严重依赖灰煤。

2.In some regions, ash coal 灰煤 is used as a soil amendment to improve agricultural productivity.

在某些地区，灰煤被用作土壤改良剂，以提高农业生产力。

3.The construction company decided to use ash coal 灰煤 as a lightweight fill material for the foundation.

建筑公司决定使用灰煤作为基础的轻质填充材料。

4.The environmental impact of ash coal 灰煤 mining is a topic of ongoing research.

对灰煤采矿的环境影响是一个持续研究的话题。

5.Using ash coal 灰煤 can reduce the overall emissions from burning fossil fuels.

使用灰煤可以减少燃烧化石燃料的总体排放。

作文

In the world of energy production, various sources of fuel are utilized to generate electricity and heat. Among these sources, coal has been a significant player for centuries. However, not all coal is created equal. One specific type that deserves attention is ash coal, which refers to coal that contains a high percentage of ash after combustion. This characteristic can impact its efficiency and environmental footprint significantly.To understand the implications of ash coal, we must first explore what ash is. When coal is burned, the organic material combusts, leaving behind inorganic minerals. These residual materials are collectively known as ash. The amount of ash present in coal can vary widely depending on its geological origin and composition. High-ash coals are often considered less desirable for power generation because they produce more waste and require additional handling and disposal processes.The presence of ash coal in a power plant’s fuel supply can lead to several challenges. Firstly, it can reduce the overall efficiency of the combustion process. Higher ash content means that more of the fuel's energy is lost in the form of unburned residues. This inefficiency translates into increased operational costs, as more coal needs to be burned to produce the same amount of energy. Furthermore, the disposal of ash can pose significant environmental concerns. Ash can contain harmful heavy metals, which can leach into the soil and water systems if not managed properly.On the other hand, there are some benefits to using ash coal. For instance, in certain industrial applications, the ash produced can be repurposed as a raw material in construction or cement manufacturing. This recycling of by-products can help mitigate some of the environmental impacts associated with coal combustion. Additionally, advancements in technology are making it possible to utilize high-ash coals more efficiently, thus reducing their negative effects.In conclusion, while ash coal presents challenges in terms of efficiency and environmental impact, it also offers opportunities for innovation and recycling. As the world moves towards cleaner energy sources, understanding the role of different types of coal, including ash coal, will be crucial in developing sustainable energy solutions. The key lies in balancing the use of this resource with the need for environmental protection and efficiency in energy production. By doing so, we can ensure that coal continues to play a role in our energy landscape while minimizing its adverse effects on the planet.

在能源生产的世界中，各种燃料来源被用于发电和供热。在这些来源中，煤炭在几个世纪以来一直是一个重要的角色。然而，并非所有的煤都是相同的。有一种特定类型值得关注，那就是灰煤，它指的是燃烧后含有高比例灰分的煤。这一特征会显著影响其效率和环境足迹。要理解灰煤的影响，我们首先必须探讨什么是灰分。当煤被燃烧时，有机物质燃烧，留下无机矿物质。这些残留材料统称为灰分。煤中的灰分含量因其地质来源和成分而异。高灰分煤通常被认为在发电中不太理想，因为它们产生更多的废物，并需要额外的处理和处置过程。在发电厂的燃料供应中，灰煤的存在可能导致几个挑战。首先，它可以降低燃烧过程的整体效率。较高的灰分含量意味着燃料的更多能量以未燃烧的残余物形式损失。这种低效性转化为增加的运营成本，因为需要燃烧更多的煤才能产生相同数量的能量。此外，灰分的处置可能会带来显著的环境问题。灰分可能含有有害重金属，如果管理不当，可能渗入土壤和水系统。另一方面，使用灰煤也有一些好处。例如，在某些工业应用中，产生的灰分可以作为建筑或水泥制造的原材料进行再利用。这种副产品的回收可以帮助减轻与煤燃烧相关的一些环境影响。此外，技术的进步使得更有效地利用高灰分煤成为可能，从而减少其负面影响。总之，尽管灰煤在效率和环境影响方面带来了挑战，但它也为创新和回收提供了机会。随着世界向更清洁的能源来源迈进，理解不同类型煤炭的作用，包括灰煤，对于开发可持续能源解决方案至关重要。关键在于平衡这种资源的使用与保护环境和提高能源生产效率的需求。通过这样做，我们可以确保煤炭在我们的能源格局中继续发挥作用，同时最小化其对地球的不利影响。