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对氧化鋁的基本要求是,其生产成本应尽可能低。但是,由于电解制鋁过程要求氧化鋁有必要的化学純度和物理特性,所以必須花費相当大的加工費用。下面我們所談到的氧化鋁是在創造了綜合的解决这两个相互矛盾的要求的条件下生产的。我們还要举出那些保证生产高純度金屬和进行电解过程的有利条件的氧化鋁的化学和物理特性。
The basic requirement for alumina is that its production costs should be as low as possible. However, since electrolytic aluminum production requires the necessary chemical purity and physical properties of alumina, significant processing costs must be incurred. The alumina we are talking about below is produced under conditions that create a comprehensive solution to these two conflicting requirements. We will also list the chemical and physical properties of alumina that ensure the production of high-purity metals and favorable conditions for the electrolysis process.