Coal is considered the primary source of energy for the world

According to the course of history, and the role of fossil fuels cannot be denied in the development of humanity. Among them, coal is regarded as the main energy supply for the entire world. Let's explore the benefits and important applications of coal in industrial production with Thuan Hai.


1. Benefits of Using Coal

- Safety: Compared to other fossil fuels, coal is safer in terms of transportation and storage. Coal is easy to store, load, and transport without the need for high-pressure pipelines or costly safety measures.

- Flexibility: Coal is a flexible energy source; besides generating electricity, it is a fundamental component in the smelting of iron and steel. Coal is present in various industrial processes and technologies, including aluminum electrolysis, paper production, and chemical products.

- Convenience: One advantage of coal over other energy sources is its readiness for use after extraction. Other fossil fuels require prolonged and costly processing, while using energy from streams, wind, or sunlight depends on weather conditions.

- Low Cost: With large coal reserves, the ability to use it immediately after extraction, and low transportation costs, coal is considered a relatively inexpensive form of energy.


2. Applications of Coal in Industry

- Electricity Generation: The most significant application of coal is in power generation. Coal is burned to produce steam, which drives turbines and generates electricity. Coal-fired power plants account for 37% of global electricity production.

- Metallurgy: Coal coke is a major component in steel production, constituting 70% of global steel production. Coal is also widely used in the production of other metals such as aluminum and copper.

- Building Materials: Coal is a primary energy source for cement production. By-products from the coal combustion process, such as fly ash, play a crucial role in the production of cement and concrete.

- Energy Industry: Historically used as fuel for steam engines and locomotives, most of the extracted coal today is used as solid fuel for electricity generation and combustion. After extraction, coal is ground into powder and burned in boilers, converting water in the boiler into steam for industrial processes.


- Gasification Technology: Coal gasification produces synthetic gas, including carbon monoxide and hydrogen. This gas is mainly used for turbine power generation, and a small portion is converted into fuels like gasoline, and diesel, or used in the production of fertilizers and various chemical products.

- Chemical Industry: Coal is utilized to produce pharmaceuticals, plastics, or artificial fibers.

- Other Industries: Coal is extensively used in industries such as paper, textiles, glass, household appliance manufacturing, and personal care production. Additionally, coal is commonly used in water filtration systems and respiratory masks due to its ability to absorb pollutants.

- In summary, coal plays a crucial role in providing energy and supporting various industries worldwide, contributing significantly to electricity generation, metallurgy, building materials, and many other applications.

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