coal carbonization
简明释义
焦化
英英释义
例句
1.In many industrial applications, coal carbonization is a key step in converting coal into useful products.
在许多工业应用中,煤炭碳化是将煤转化为有用产品的关键步骤。
2.The efficiency of coal carbonization can be improved by optimizing the temperature and pressure conditions.
煤炭碳化的效率可以通过优化温度和压力条件来提高。
3.During coal carbonization, volatile compounds are released, which can be captured for energy production.
在煤炭碳化过程中,挥发性化合物被释放,可以被捕获用于能源生产。
4.The process of coal carbonization is essential for producing high-quality coke used in steelmaking.
煤炭碳化过程对于生产用于炼钢的优质焦炭至关重要。
5.Researchers are studying the environmental impacts of coal carbonization on local ecosystems.
研究人员正在研究煤炭碳化对当地生态系统的环境影响。
作文
Coal has been a significant source of energy for centuries, playing a crucial role in the industrial revolution and the development of modern society. One of the processes that transform coal into valuable products is coal carbonization, which refers to the thermal decomposition of coal in the absence of air. This process not only produces coke, an essential material for steel manufacturing, but also generates various by-products such as coal tar and ammonia. Understanding coal carbonization is vital for appreciating its impact on the economy and the environment.The process of coal carbonization involves heating coal to high temperatures, typically between 1000 and 1200 degrees Celsius, in a controlled environment. As coal is heated, volatile compounds are released, leaving behind a solid residue known as coke. This coke is porous and has a high carbon content, making it an ideal fuel and reducing agent in metallurgical processes, particularly in iron and steel production. The ability to convert coal into coke through coal carbonization has made it a cornerstone of the steel industry, which is vital for infrastructure development worldwide.In addition to producing coke, coal carbonization yields several by-products that can be further processed into useful chemicals. Coal tar, for example, is a thick liquid that contains numerous organic compounds, some of which are used to produce dyes, drugs, and other chemical products. Ammonia, another by-product, can be utilized in fertilizers, contributing to agricultural productivity. Thus, the significance of coal carbonization extends beyond just energy production; it also plays a vital role in the chemical industry.However, while coal carbonization offers economic benefits, it also poses environmental challenges. The combustion of coal releases greenhouse gases, contributing to climate change. Furthermore, the by-products of coal carbonization can be hazardous if not managed properly. For instance, coal tar contains polycyclic aromatic hydrocarbons (PAHs), which are known carcinogens. Therefore, it is essential to implement effective waste management and pollution control measures to mitigate the environmental impacts associated with this process.As the world shifts towards more sustainable energy sources, the future of coal carbonization remains uncertain. While some industries continue to rely heavily on coal, there is a growing emphasis on transitioning to cleaner alternatives. Innovations in technology may enhance the efficiency of coal carbonization and reduce its environmental footprint. For example, advances in carbon capture and storage (CCS) could allow for the continued use of coal while minimizing the release of carbon dioxide into the atmosphere.In conclusion, coal carbonization is a complex process that transforms coal into valuable products, supporting industries such as steel manufacturing and chemical production. While it presents economic opportunities, it also raises significant environmental concerns that must be addressed. As we move forward, balancing the benefits of coal carbonization with the need for sustainable practices will be crucial in shaping the future of energy production and consumption.
煤炭在几个世纪以来一直是重要的能源来源,在工业革命和现代社会的发展中发挥了至关重要的作用。将煤炭转化为有价值产品的过程之一是煤炭碳化,指的是在无空气的情况下对煤进行热分解。这个过程不仅产生焦炭,这是钢铁制造的基本材料,还生成各种副产品,如煤焦油和氨。理解煤炭碳化对于欣赏其对经济和环境的影响至关重要。煤炭碳化的过程涉及将煤加热到高温,通常在1000到1200摄氏度之间,在受控环境中进行。当煤被加热时,挥发性化合物被释放,留下一个称为焦炭的固体残留物。这个焦炭是多孔的,具有高碳含量,使其成为理想的燃料和还原剂,尤其是在冶金过程中,特别是在铁和钢生产中。通过煤炭碳化将煤转化为焦炭的能力使其成为钢铁工业的基石,而钢铁工业对全球基础设施的发展至关重要。除了生产焦炭外,煤炭碳化还产生几种副产品,可以进一步加工成有用的化学品。例如,煤焦油是一种粘稠的液体,含有许多有机化合物,其中一些用于生产染料、药物和其他化学产品。氨,另一个副产品,可以用于肥料,促进农业生产力。因此,煤炭碳化的重要性不仅限于能源生产;它在化学工业中也发挥着重要作用。然而,虽然煤炭碳化带来了经济利益,但它也带来了环境挑战。煤的燃烧释放温室气体,导致气候变化。此外,如果管理不当,煤炭碳化的副产品可能是有害的。例如,煤焦油中含有多环芳烃(PAHs),已知是致癌物。因此,实施有效的废物管理和污染控制措施以减轻与此过程相关的环境影响至关重要。随着世界向更可持续的能源来源转变,煤炭碳化的未来仍然不确定。虽然一些行业仍然严重依赖煤炭,但越来越强调向更清洁的替代品过渡。技术创新可能提高煤炭碳化的效率并减少其环境足迹。例如,碳捕集与存储(CCS)方面的进展可以允许继续使用煤炭,同时最小化二氧化碳排放到大气中的量。总之,煤炭碳化是一个复杂的过程,将煤转化为有价值的产品,支持钢铁制造和化学生产等行业。尽管它带来了经济机会,但也引发了必须解决的重大环境问题。随着我们向前发展,平衡煤炭碳化的好处与可持续实践的需求将对塑造未来的能源生产和消费至关重要。
相关单词