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1983年日本对高纯铝(99.99％)的需求量是8.6千吨,1984年又持续增长至约10千吨。由于高纯铝提高了传热性,抗腐性和可塑性,所以越来越广泛地应用于电容器、铝箔、铝导线等的制造业。住友铝业公司菊本铝厂采用三层精炼法生产高纯铝。高纯铝车间的产能已从3千吨/年扩大到3.6千吨/年,此外,还建设一个利用离析法精炼铝的1千吨/年的车间。虽然离析法
In 1983, Japan’s demand for high-purity aluminum (99.99%) was 8.6 kilotons. In 1984, it continued to grow to about 10 kilotons. As high-purity aluminum to improve heat transfer, corrosion resistance and plasticity, it is more widely used in capacitors, aluminum foil, aluminum wire and other manufacturing industries. Sumitomo Aluminum Chrysanthemum aluminum plant using three refining method of producing high purity aluminum. The capacity of the high-purity aluminum plant has been expanded from 3 kt / y to 3.6 kt / yr. In addition, a 1,000 kt / yr plant for refining aluminum by segregation has also been built. Although isolated method