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

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As an important raw material for chemical production, oxygen is widely used in various chemical processes. It has many upstream and downstream related products, and some of the main related products will be listed below.

1. Upstream product

(1) Air separation equipment: Oxygen is mainly extracted from the air through air separation equipment. Therefore, the performance and efficiency of air separation equipment directly affect the output and quality of oxygen.

(2) Nitrogen: In the process of air separation, in addition to oxygen, a large amount of nitrogen is also produced. Nitrogen is also an important chemical raw material.

(3) Electric energy: Air separation equipment requires a large amount of electric energy to drive. Therefore, a stable power supply is also an important factor in oxygen production.

2. Downstream product

(1) Chemicals: Oxygen can be used to produce various chemicals, such as ethylene, propylene, benzene, etc. These chemicals can be further used in the production of plastics, rubber, fibers, etc.

(2) Metal smelting: Oxygen plays an important role in the metal smelting process. For example, in steel smelting, oxygen is used to oxidize iron ore and generate iron and carbon dioxide.

(3) Energy: Oxygen can be used in the operation of energy equipment such as fuel cells and lithium batteries to improve energy efficiency.

(4) Health Care: Oxygen is also widely used in the field of health care, such as respiratory therapy and hyperbaric oxygen therapy.

Generally speaking, there are many upstream and downstream related products of oxygen in the field of chemical production raw materials, which have an important impact on various fields.

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