sub bituminous coal

简明释义

亚烟煤

英英释义

例句

1.The power plant uses sub bituminous coal to generate electricity efficiently.

这座发电厂使用亚烟煤高效发电。

2.In some regions, sub bituminous coal is mined and used for local heating purposes.

在某些地区，亚烟煤被开采并用于当地供暖。

3.The heating value of sub bituminous coal is lower than that of bituminous coal but higher than lignite.

亚烟煤的热值低于烟煤，但高于褐煤。

4.The transportation costs of sub bituminous coal can be significant due to its bulkiness.

由于其体积庞大，亚烟煤的运输成本可能会很高。

5.Environmental regulations are becoming stricter for the use of sub bituminous coal in industrial processes.

环境法规对工业过程中使用亚烟煤的要求变得越来越严格。

作文

The use of different types of coal has been a significant topic in the field of energy production. Among these types, sub bituminous coal is often overlooked, yet it plays a crucial role in the energy sector. 亚烟煤, as it is known in Chinese, is found between lignite and bituminous coal on the coal classification scale. This type of coal is characterized by its higher heating value than lignite but lower than that of bituminous coal. The unique properties of sub bituminous coal make it suitable for various applications, particularly in electricity generation and industrial processes.One of the primary advantages of sub bituminous coal is its relatively high energy content. It typically contains around 35-45 percent carbon, which allows it to produce a significant amount of energy when burned. This makes it an efficient choice for power plants that require a steady and reliable source of fuel. Additionally, 亚烟煤 has a lower sulfur content compared to other coal types, which results in reduced emissions of sulfur dioxide during combustion. This characteristic is increasingly important in today's world, where environmental regulations are becoming more stringent.In terms of availability, sub bituminous coal is abundant in several regions, particularly in the United States, where it is mined extensively. The Powder River Basin in Wyoming and Montana is one of the largest sources of this type of coal. The mining process for 亚烟煤 is generally less invasive than that of bituminous coal, which often requires underground mining techniques. This means that sub bituminous coal can be extracted with less impact on the surrounding environment, making it a more sustainable option in certain contexts.Furthermore, the versatility of sub bituminous coal extends beyond electricity generation. It can also be used in industrial processes, such as cement production and steel manufacturing. In these industries, the coal serves as both a fuel and a reducing agent, facilitating the chemical reactions necessary for producing high-quality products. The ability to utilize 亚烟煤 in multiple sectors highlights its importance in the overall energy landscape.However, despite its benefits, the use of sub bituminous coal is not without challenges. The global shift towards renewable energy sources poses a threat to the future demand for all types of coal, including 亚烟煤. As countries strive to reduce their carbon footprint and combat climate change, the reliance on fossil fuels is being scrutinized. This transition may lead to a decreased market for sub bituminous coal unless it can be integrated into cleaner technologies.In conclusion, sub bituminous coal is a vital component of the energy mix that deserves more attention. Its unique properties, availability, and versatility make it an essential resource for electricity generation and industrial applications. As the world moves towards a more sustainable future, understanding and optimizing the use of 亚烟煤 will be crucial in balancing energy needs with environmental responsibilities. By recognizing the role of sub bituminous coal, we can better appreciate its significance in our current energy landscape and consider how it may fit into a greener future.