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[Chemical Knowledge]：What are the upstream raw materials for light aromatics? What are the downstream products?

Read： 278 Time：18months ago Source：Transform the World with Simplicity

Light aromatics plays an important role in the field of raw materials for chemical production, and its upstream and downstream related products are extensive. The main upstream and downstream associated products of light aromatics are described in detail below.

Upstream Associated Products:

1. Oil and gas: Light aromatics are mainly extracted from oil and gas. Mixtures containing light aromatic hydrocarbons are produced in the process of oil cracking and natural gas processing, and light aromatic hydrocarbons can be obtained through further separation and treatment.
2. Coal: Coal can also produce light aromatics through the coking process. Under high temperature conditions, coal is isolated from the air, and after dry distillation, coal tar and gas are generated, which contain light aromatic hydrocarbons.

Downstream Related Products:

1. Benzene: Benzene is an important downstream product of light aromatics, mainly used in the production of plastics, synthetic rubber, synthetic fibers, etc. In addition, benzene is also used in the production of styrene, cyclohexane, aniline and a series of organic chemicals.
2. Toluene: Toluene is another important downstream product of light aromatics, which can be used to produce phenol, cresol, benzoic acid, etc. In addition, toluene can also be used to produce some special rubber, coatings, etc.
3. Xylene: Xylene is mainly used in the production of terephthalic acid, further production of polyester chips, and ultimately used in the production of polyester fiber and beverage packaging and other materials. In addition, xylene can also be used in the production of coatings, resins, etc.
4. Ethylbenzene: Ethylbenzene can be used to produce styrene, and further used to produce polystyrene, ABS resin, etc. At the same time, ethylbenzene can also be used to produce some pharmaceuticals, pesticides and other fine chemicals.

In short, light aromatics has a wide range of upstream and downstream related products in the field of chemical production raw materials, which plays an important role in promoting the development of the chemical industry.

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