Silicon metal smelting is a high energy consumption production, China's silicon metal production has a long history, with the tightening of national energy policy and energy conservation and emission reduction, as well as the promotion of new energy, silicon metal smelting has become a primary product and process, many domestic emerging energy enterprises have built a series of recycling industry chains such as silicon metal, polycrystalline silicon, monocrystalline silicon, solar cells, etc., which are bound to affect the development of China's entire energy field and the application of new energy in the next few years.
The production of silicon metal in China is mainly silicon for metallurgy, and the production of silicon metal for chemical use has been developed since the mid-1990s, and in recent years, the output and export volume of chemical silicon in China have grown rapidly. From 1999 to 2001, China's export of chemical silicon to Japan has reached 22,000 tons, 30,000 tons and 40,000 tons respectively, and in 2001, China's chemical silicon exports to Japan have accounted for more than 40% of Japan's chemical silicon imports. Now China has begun to join the ranks of chemical silicon production and supplier countries, and the number of enterprises producing chemical silicon is increasing.
With the continuous development of science and technology, chemical silicone for silicone and semiconductor production and other fields continue to broaden, widely used in the production of silicone monomer and polymer silicone oil, silicone rubber, silicone resin building corrosion, waterproofing agents, etc., they have high temperature resistance, electrical insulation, radiation resistance, waterproof and other unique properties. Used in electrical, aviation, machinery, chemical, pharmaceutical, national defense, construction and other departments. As the core of electronic components of integrated circuits, more than 95% are made of semiconductor silicon, and semiconductors are the pillar of the contemporary information industry Chemical silicon has been widely used as a high-tech field and an important basic industry, and its consumption tends to grow steadily. Under normal conditions in the international market, the price per ton of chemical silicon is $300-400 higher than that of metallurgical silicon. Therefore, whether it is from meeting exports and domestic demand, or from improving the economic benefits of silicon metal enterprises, improving product quality, and vigorously developing chemical silicon production is necessary.

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