low grade bituminous coal

简明释义

低级沥青炭

英英释义

Low grade bituminous coal is a type of coal that has a lower carbon content and energy density compared to higher grade coals, typically characterized by its relatively soft texture and higher moisture content.

低品位烟煤是一种碳含量和能量密度低于高品位煤的煤类型,通常以其相对柔软的质地和较高的水分含量为特征。

例句

1.Due to its high sulfur content, low grade bituminous coal can contribute to air pollution.

由于其高硫含量,低等级烟煤可能会导致空气污染。

2.The extraction process of low grade bituminous coal can be environmentally damaging.

提取低等级烟煤的过程可能对环境造成损害。

3.The power plant primarily uses low grade bituminous coal for electricity generation.

这座发电厂主要使用低等级烟煤来发电。

4.Many industries rely on low grade bituminous coal as a cost-effective energy source.

许多行业依赖于低等级烟煤作为一种经济实惠的能源来源。

5.In some regions, low grade bituminous coal is the only available fossil fuel.

在某些地区,低等级烟煤是唯一可用的化石燃料。

作文

In the world of energy resources, coal has played a pivotal role for centuries. Among the various types of coal, low grade bituminous coal is one that often comes under scrutiny due to its characteristics and applications. This type of coal is defined as having a lower carbon content and higher moisture content compared to higher grades of bituminous coal. It typically contains between 45% to 86% carbon, making it less efficient in terms of energy production when compared to anthracite or high-grade bituminous coal.The significance of low grade bituminous coal lies in its availability and cost-effectiveness. Many regions around the world have abundant reserves of this type of coal, which makes it a more accessible option for energy generation, especially in developing countries. The extraction and use of low grade bituminous coal can provide a crucial source of energy for industries and households alike, particularly in areas where other forms of energy are scarce or too expensive.However, the use of low grade bituminous coal also raises environmental concerns. The combustion of this coal type releases a considerable amount of pollutants, including sulfur dioxide and particulate matter, which can contribute to air quality issues and respiratory problems in nearby communities. Furthermore, the higher moisture content means that more energy is required to evaporate the water during combustion, leading to lower overall efficiency. Therefore, while low grade bituminous coal is an important energy resource, it must be used judiciously to minimize its environmental impact.Moreover, technological advancements have been made to improve the efficiency of burning low grade bituminous coal. Innovations in coal processing and combustion techniques aim to reduce emissions and enhance energy output. For instance, fluidized bed combustion technology allows for more efficient burning of lower-grade coals, thus making it a more viable option for power generation.In conclusion, low grade bituminous coal serves as a significant energy resource with both advantages and disadvantages. Its low cost and availability make it an attractive option for many regions, particularly those with limited energy resources. However, the environmental implications of its use cannot be overlooked. As we move towards a more sustainable energy future, it is crucial to balance the immediate benefits of using low grade bituminous coal with the long-term goals of reducing pollution and transitioning to cleaner energy sources. Understanding the role of this coal type in our energy landscape will help us make informed decisions about its use and the development of alternative energy solutions.

在能源资源的世界中,煤炭在几个世纪以来发挥了关键作用。在各种类型的煤中,低品位烟煤常常受到关注,因为它的特性和应用。该类型的煤被定义为与高品位烟煤相比,碳含量较低,水分含量较高。它通常包含45%到86%的碳,因此在能量生产方面的效率低于无烟煤或高品位烟煤。低品位烟煤的重要性在于其可用性和成本效益。世界许多地区拥有这种类型煤炭的丰富储备,这使其成为能源发电的更易获得的选择,特别是在发展中国家。开采和使用低品位烟煤可以为工业和家庭提供重要的能源来源,特别是在其他能源形式稀缺或过于昂贵的地区。然而,使用低品位烟煤也引发了环境问题。这种煤炭类型的燃烧释放出大量污染物,包括二氧化硫和颗粒物,这可能导致空气质量问题和附近社区的呼吸系统问题。此外,较高的水分含量意味着在燃烧过程中需要消耗更多的能量来蒸发水分,从而导致整体效率降低。因此,虽然低品位烟煤是一个重要的能源资源,但必须谨慎使用,以尽量减少其对环境的影响。此外,技术进步已经改善了燃烧低品位烟煤的效率。煤炭加工和燃烧技术的创新旨在减少排放并提高能量输出。例如,流化床燃烧技术允许更有效地燃烧低品位煤,从而使其成为发电的更可行选择。总之,低品位烟煤作为一种重要的能源资源,具有优缺点。其低成本和可用性使其成为许多地区的有吸引力的选择,尤其是那些能源资源有限的地区。然而,其使用的环境影响不容忽视。随着我们朝着更可持续的能源未来迈进,平衡使用低品位烟煤的短期利益与减少污染和转向更清洁能源的长期目标至关重要。理解这种煤炭类型在我们能源格局中的作用将帮助我们就其使用和替代能源解决方案的发展做出明智的决策。

相关单词

bituminous

bituminous详解:怎么读、什么意思、用法

coal

coal详解:怎么读、什么意思、用法