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1963年美国的原镁产量为7.5万吨,销售量(包括出口)为7.1万吨,国内消费量为5.9万吨。预计1964年美国原镁产量可达7.6万吨,销售量仍将保持1963年的水平。近三年来,美国道屋化学公司的镁厂,在海水炼镁工艺方面取得了较大进展,技术研究的发展将给1964—1965年所要安装的设备带来较大的改进。近年来,该公司所属镁厂的年产能由1960年的8.2万吨增加到1963年的9.2万吨(不包括新增加的产能)。预计1965年镁厂产能可增加到10万吨。目前,该公司所属镁厂的设备利用率达70％以上。
In 1963, the United States produced 75,000 metric tons of raw magnesium, with sales (including exports) of 71,000 tons and domestic consumption of 59,000 tons. The United States in 1964 is expected to yield 76,000 tons of raw magnesium, sales will remain at the level of 1963. In the past three years, the magnesium plant of Dow Chemical Company has made great progress in seawater magnesium smelting process. The development of technical research will bring great improvements to the equipment to be installed in 1964-1965. In recent years, the annual capacity of the magnesium plant owned by the company has increased from 82,000 tons in 1960 to 92,000 tons in 1963 (excluding newly increased capacity). It is estimated that the capacity of magnesium plant in 1965 will increase to 100,000 tons. At present, the company owned magnesium plant equipment utilization rate of 70%.