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The difference between petrochemical industry and petrochemical industry
Petrochemical industry, referred to as petrochemical industry. Generally refers to the chemical industry with oil and natural gas as raw materials. A wide variety of products. Crude oil is cracked, reformed and separated to provide basic raw materials;
Such as ethylene, propylene, butene, butadiene, benzene, toluene, xylene, naphthalene, etc. From these basic raw materials, various basic organic raw materials can be prepared, such as methanol, formaldehyde, ethanol, acetaldehyde, acetic acid, isopropanol, acetone and phenol.
Extended data:
Functional significance:
1. Petrochemical industry is the main supplier of energy.
Petrochemical industry mainly refers to gasoline, kerosene, diesel, heavy oil and natural gas produced by petroleum refining, and is the main supplier of oil at present. China produced 80 million tons of fuel oil in 1995. At present, the world oil and gas consumption accounts for about 60% of the total energy consumption;
Because China uses a lot of coal, the consumption of oil is less than 20%. The energy provided by petrochemical industry is mainly used as fuel for automobiles, tractors, airplanes, ships and boilers, and a small amount is used as civil fuel. Energy is a factor that restricts the development of China's national economy. The energy consumed by petrochemical industry accounts for about 8.5% of the total energy, so energy consumption should be continuously reduced.
Second, the petrochemical industry is one of the pillars of the material industry.
Metal, inorganic nonmetallic materials and polymer synthetic materials are called three major materials. At present, the output of polymer synthetic materials provided by the world petrochemical industry is about 65.438+0.45 billion tons, which has exceeded 8 million tons in China.
In addition to synthetic materials, the petrochemical industry also provides most organic chemical raw materials. In the field of chemical industry, in addition to the chemical products provided by chemical minerals, raw materials produced by petrochemical industry have shown their talents in various departments.
Third, the petrochemical industry has promoted the development of agriculture.
Agriculture is the basic industry of our national economy. Nitrogen fertilizer provided by petrochemical industry accounts for 80% of the total chemical fertilizer. The popularization and use of agricultural plastic film, the rational use of pesticides and a large number of various fuels needed by agricultural machinery have formed the main force of petrochemical industry to support agriculture.
Fourth, the industrial sector is inseparable from petrochemical products.
The development of modern transportation industry is closely related to fuel supply. It is no exaggeration to say that without fuel, there would be no modern transportation industry. Metal processing and all kinds of machinery need all kinds of lubricating materials and other supporting materials without exception, which consumes a lot of petrochemical products. The world output of lubricating oil is about 20 million tons, and that of China is about 6.5438+0.8 million tons.
Building materials industry is a new field of petrochemical products, such as plastic materials, doors and windows, floor materials, coatings, etc., which are called chemical building materials. Light industry and textile industry are traditional users of petrochemical products, and the development and promotion of new materials, new processes and new products are all petrochemical products.
Baidu encyclopedia-petrochemical industry
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