It is understood that China's proven reserves of boron mine 46.706 million tons, mainly in Liaoning, Jilin, Qinghai, Tibet, of which Liaoning Province, boron ore production accounts for more than 90% of the country. The low quantity, low grade, and high impurity content are three disadvantages of domestic boron mines, half of which are boron magnesium ore and mixed boron, magnesium, and iron ore, and conveniently processed boron-magnesium ore less than 3 million tons, mainly distributed in Liaoning, and Liaoning The current boron magnesium ore is also near depletion. According to the calculation of 1,258,600 tons of production in 2004, 3 million tons of boron-magnesium ore resources will be excavated within two years. At present, the ore used in China's boron industry is mainly boron-magnesium ore, and the comprehensive utilization technology of magnetic separation and separation of ferroboron is still in the stage of industrialization experiment. If the continuation technology can not keep up with the time, it is very likely that there will be no connection.
It is understood that the demand for boron in China is growing rapidly and the import speed is accelerating. It is expected that the gap of China's boron mine will reach 223,500 tons this year, and the gap will increase to 740,500 tons by 2010. At the same time, boric acid is also imported in large quantities. The boric acid production capacity in China is now about 80,000 tons per year. From 2001 to 2003, 32,000 tons, 45,000 tons and 62,200 tons were imported, and this increasing speed It may be further accelerated.
Facing the ever-increasing market demand and the shortage of boron-magnesium ore resources, relevant experts suggest that, besides continuing to search for easily-acquired boehmite-type ore deposits in the outer and deep parts of the old mining areas in the northeast, it is necessary to pay attention to the utilization of boronite resources. In particular, the popularization of the comprehensive utilization technology of magnetic separation and separation of ferroboron ore, and the follow-up technology to solve the shortage of boron resources. In addition, Liaoning's borax and boric acid enterprises have scattered layouts, small scales, and lagging behind in equipment technology. Some enterprises use riches to abandon poverty to make resource consumption too fast and should be changed as soon as possible.
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Boron is an important chemical raw material, which is widely used in the production of high-grade optical glass and other special glass products. It is also widely used in enamel, medicine, metallurgy, protective agent, paint, boron fertilizer and other industries. With the rapid development of the industrial economy and the rise of high-tech industries, the demand for borax and boric acid in domestic related industries has continuously increased. At present, domestic consumption of borax and boric acid has exceeded 400,000 tons, and will be 6.25% per year. ~ 6.5% increase in speed. It is predicted that by 2010, the demand for borax, boric acid, and other boron-containing chemicals in China will reach 500,000 tons, and the corresponding demand for boron ore (target ore) will be 2.15 million tons.
China is a country with relatively lack of boron resources. The proven reserves of boron are only about 50 million tons.
Since 1956, the first domestic factory to make borax from domestic boron-magnesium ore was born in Liaoning. For decades, Liaoning's boron industry has made important contributions to the country's economic development. In 2003 with outstanding achievements, Liaoning Province extracted 1.1 million tons of boron ore (1.15 million tons nationwide), produced 333,600 tons of borax (35.5 million tons nationwide), and 50,000 tons of boric acid (60,000 tons nationwide), boron. The output of ore, borax and boric acid accounted for 95.6%, 95% and 83.3% of the national output, respectively.
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