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本文提出了稀型乳状液膜分离方法的新概念。作者用稀型乳状液分离技术,在φ500mm×3000mm的机械搅拌柱中,处理粘胶纤维的酸性含锌废水,经一次接触后,废水中锌含量可从500ppm降至5ppm,达到国家允许排放的要求。 过程中无二次污染;过程中回收锌的价值大于治理过程中所消耗的一切费用的价值。
This paper presents a new concept of thin emulsion liquid membrane separation method. The author uses dilute emulsion separation technology, in the φ500mm × 3000mm mechanical stirring column, the viscose fiber acidic zinc-containing wastewater after a contact, the zinc content of wastewater can be reduced from 500ppm to 5ppm, to allow the national discharge Claim. There is no secondary pollution in the process; the value of zinc recovery in the process is greater than the value of all expenses consumed in the process of governance.