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[Chemical Knowledge]：Nature and use of natural gas

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Natural gas is a colorless, odorless, non-toxic gas, the main component is methane (CH4), but also contains a small amount of ethane, propane, butane and other hydrocarbon gases and carbon dioxide, nitrogen and other non-hydrocarbon gases. Natural gas has important properties and uses in the field of raw materials for chemical production.

1. the properties of natural gas

1. High calorific value: Natural gas has a high calorific value, and the calorific value per cubic meter of natural gas is about 35.6 MJ, which is an efficient energy source.

2. Clean energy: The exhaust gas produced by natural gas combustion mainly includes water and carbon dioxide. Compared with fossil fuels such as coal and oil, the combustion products of natural gas have less pollution to the environment.

3. Easy to transport and store: natural gas can be transported by pipelines, ships, vehicles and other ways, and can also be stored by compression, liquefaction and other ways, which is convenient to use.

2. the use of natural gas

1. chemical raw materials: natural gas can be used as chemical raw materials for the production of acetylene, methanol, ammonia, urea and other chemicals. Among them, acetylene is an important basic organic chemical raw material, which can be used to produce vinyl chloride, vinyl acetate and other chemicals.

2. Fuel: Natural gas is an efficient and clean fuel, which can be used in power generation, heating, transportation and other fields. In chemical production, natural gas can also be used as a fuel to provide heat and power.

3. Production of hydrogen: Natural gas can be produced by steam reforming, partial oxidation and other processes. Hydrogen is an important chemical raw material and energy source, which can be used to produce chemicals such as ammonia and methanol, and can also be used in fuel cells and other fields.

In short, natural gas has important properties and uses in the field of chemical production raw materials, and it is of great significance to promote the development of the chemical industry and protect the environment.

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