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[Chemical Knowledge]：What are the upstream raw materials for coke? What do the downstream products contain?

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Coke plays an important role in the field of raw materials for chemical production, and its upstream and downstream related products are rich and diverse. This paper will discuss in detail the upstream and downstream related products of coke, including the main raw materials, by-products, and derivative products. The main raw material of

1. coke
the main raw material of
coke is coal, usually using coking coal, fat coal and gas coal and other moderate degree of metamorphism of coal. These coals have high cohesiveness and thermal stability, and can be melted, bonded and solidified at high temperature, and finally form coke with certain strength and porosity.

2. coke by-product

1. Coke oven gas: In the process of coke production, a large amount of coke oven gas will be produced, the main components are hydrogen, methane, carbon monoxide, etc. Coke oven gas can be used as fuel for power generation, heating, etc., can also be further purified to produce a variety of chemicals.
2. Coal tar: Coal tar is another by-product of the coke production process, the main component of aromatic hydrocarbon compounds. Coal tar can be further processed to extract benzene, toluene, xylene and other aromatic products, can also be used to produce asphalt, carbon black and so on.

3. Coke Derivatives

1. Steel: Coke is an important raw material in steel production, used to provide heat and reducing agent. Coke reacts with oxygen in the blast furnace to produce heat and reducing gases, reducing iron ore to molten iron.
2. calcium carbide: coke and calcium oxide reaction at high temperature can generate calcium carbide (calcium carbide), calcium carbide is an important raw material for the production of acetylene, and acetylene can be used to produce a variety of organic compounds.
3. Synthetic ammonia: Coke can be used to produce synthetic ammonia. Coke reacts with air and water vapor at high temperature to generate hydrogen and carbon monoxide, and further synthesize ammonia gas. Synthetic ammonia is an important raw material for the production of fertilizers and many chemicals.

4. the upstream and downstream industry related
of coke The upstream and downstream industries of
coke are widely related, involving coal mining, steel production, chemical manufacturing and other fields. As an important energy and chemical raw material, coke plays an important role in the national economy. The linkage development of its upstream and downstream industries not only helps to improve the efficiency of resource utilization and promote the optimization of industrial structure, but also promotes the development of circular economy and realizes the sustainable development of economy, society and environment.

in the upstream industry, the production of coke is closely related to coal mining, and the quality and price of coal directly affect the production cost and quality of coke. Therefore, it is of great significance to strengthen the rational development and utilization of coal resources and improve the quality of coal for promoting the healthy development of coke industry.

in the downstream industry, the application of coke is extensive, and iron and steel, chemical and other industries are closely related. The development of the steel industry has a great impact on the demand for coke, and the demand for coke by-products and derivatives in the chemical industry cannot be ignored. Therefore, it is of great significance to strengthen the communication and cooperation between upstream and downstream industries and promote the optimization and upgrading of the industrial chain to improve the competitiveness and sustainable development ability of the whole industry.

In short, the upstream and downstream related products of coke in the field of chemical production raw materials are rich and diverse, involving many fields. Strengthening the upstream and downstream linkage development of coke industry will help to improve the efficiency of resource utilization, promote the optimization of industrial structure, promote the development of circular economy, and realize the sustainable development of economy, society and environment.

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