anthracitic coal
简明释义
无烟煤;
英英释义
例句
1.The steel industry often utilizes anthracitic coal (无烟煤) in the production of coke.
钢铁工业通常在焦炭生产中使用无烟煤(anthracitic coal)。
2.The environmental impact of burning anthracitic coal (无烟煤) is significantly lower than that of lignite.
燃烧无烟煤(anthracitic coal)的环境影响明显低于褐煤。
3.Investors are looking into the mining of anthracitic coal (无烟煤) as it is more efficient than other types.
投资者正在考虑开采无烟煤(anthracitic coal),因为它比其他类型更高效。
4.The power plant primarily uses anthracitic coal (无烟煤) due to its high carbon content.
这座电厂主要使用无烟煤(anthracitic coal),因为其碳含量高。
5.During the winter, many households rely on anthracitic coal (无烟煤) for heating.
在冬季,许多家庭依赖无烟煤(anthracitic coal)供暖。
作文
Anthracitic coal is one of the highest grades of coal, characterized by its high carbon content and low impurities. This type of coal is often referred to as 'hard coal' due to its dense structure and shiny appearance. The formation of anthracitic coal (无烟煤) occurs over millions of years under intense heat and pressure, transforming organic materials into a carbon-rich substance. The geological processes that lead to the development of anthracitic coal involve the metamorphism of peat, which is the initial stage of coal formation. As peat is buried deeper beneath sedimentary layers, it undergoes chemical and physical changes that gradually increase its carbon content while reducing moisture and volatile matter.The unique properties of anthracitic coal make it an important resource in various industries. Its high carbon content, typically exceeding 86%, gives it superior energy-producing capabilities compared to other types of coal. This makes anthracitic coal (无烟煤) particularly valuable for electricity generation, as it burns cleaner and produces more energy per unit weight than bituminous or sub-bituminous coals. Furthermore, the low levels of sulfur and ash in anthracitic coal contribute to lower emissions when burned, making it a more environmentally friendly option in comparison to lower-grade coals.In addition to power generation, anthracitic coal is also utilized in the metallurgical industry, especially in the production of steel. Its high carbon content is essential in the steel-making process, where it acts as a reducing agent in the extraction of iron from its ore. The use of anthracitic coal (无烟煤) in this context not only enhances the efficiency of steel production but also contributes to the overall quality of the final product.Despite its advantages, the mining and utilization of anthracitic coal come with environmental concerns. The extraction process can lead to habitat destruction, soil erosion, and water pollution, which poses significant risks to local ecosystems and communities. Moreover, the burning of coal, even high-grade varieties like anthracitic coal (无烟煤), still emits greenhouse gases, contributing to climate change. Therefore, it is crucial for policymakers and industry leaders to explore sustainable practices and alternative energy sources to mitigate these impacts.In conclusion, anthracitic coal (无烟煤) plays a vital role in energy production and industrial processes due to its high carbon content and low impurities. While it offers several benefits, including cleaner combustion and enhanced energy output, the environmental implications of its extraction and use cannot be overlooked. A balanced approach that includes responsible mining practices and the transition to renewable energy sources will be essential in ensuring that we harness the benefits of anthracitic coal while minimizing its ecological footprint.
相关单词