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离子膜法生产烧碱是目前氯碱工业最先进的生产工艺,此法可以生产杂质仅有几个ppm的高纯烧碱。由于在隔膜电槽的使用实践中业已证实,工业纯钛存在着严重的局部腐蚀问题,因此耐蚀材料的选用就成为此项新工艺能否实现的关键。
Ion-exchange membrane caustic soda production is the most advanced production technology chlor-alkali industry, this method can produce impurities only a few ppm of high purity caustic soda. Since the use of diaphragm cell has proven to be a serious localized corrosion problem in industrial pure titanium, the choice of anticorrosive material becomes the key to the success of this new process.