New technology and its applications of nonferrous metal smelting wastewater treatment were introduced. The economic and environmental benefits of this new technology were also analyzed.
介绍了一种有色金属冶炼工业废水处理新工艺及其在工业生产中的应用，分析了该工艺的经济效益和环境效益。
A halogen element, f, is major raw materials deriving fluorine compound, and because of low melting point, that is widely used in steelmaking, nonferrous metal smelting, cement, glass and ceramics.
萤石中含有卤族元素氟，是制取含氟化合物的主要原料，又由于熔点低而广泛用于炼钢、有色金属冶炼、水泥、玻璃、陶瓷。
Medium frequency smelting and alloy preparation: mixture of all kinds of alloy and nonferrous metal, vacuum or anti-vacuum smelting and casting.
中频冶炼与合金制备：各种合金与有色金属的配制，真空或非真空熔炼、浇铸等。
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