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[Chemical Knowledge]：What are the upstream raw materials for anhydrous ethanol? What are the downstream products?

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As an important chemical raw material, anhydrous ethanol is widely used in chemical industry. Its upstream and downstream related products are numerous and involve many fields. The following are some of the upstream and downstream associated products related to anhydrous ethanol.

1. Upstream product

(1) Ethylene: Ethylene is the main raw material of anhydrous ethanol, which is produced by ethylene hydration method.

(2) Sulfuric acid: In the production process of anhydrous ethanol, sulfuric acid is used as a catalyst to promote the reaction of ethylene and water to produce ethanol.

(3) Electricity: The production process of anhydrous ethanol consumes a large amount of electricity to drive equipment and maintain the operation of the production line.

2. Downstream product

(1) acetaldehyde: anhydrous ethanol can be used to produce acetaldehyde, acetaldehyde is an important organic chemical raw material, widely used in medicine, pesticides, spices and other fields.

(2) diethyl ether: anhydrous ethanol can act together with sulfuric acid to produce diethyl ether. Ether is a commonly used solvent and anesthetic.

(3) Ethyl acetate: Ethyl acetate can be generated by the reaction of anhydrous ethanol and acetic acid. Ethyl acetate is a solvent with fragrance, which can be used to produce food additives and spices.

(4) Ethyl cellulose: Anhydrous ethanol can be used to produce ethyl cellulose. Ethyl cellulose is a polymer compound with excellent film-forming, weather resistance and chemical resistance. It is widely used in coatings, inks and other fields.

In short, as an important raw material for chemical production, anhydrous ethanol has a wide range of upstream and downstream related products, involving many fields, which plays an important role in the development of chemical industry.

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