Outotec's direct leaching process is an atmospheric leaching process for sulphidic zinc concentrates. The direct leaching process, based on special leaching reactors developed by Outokumpu and leaching know-how, is the most economical way to produce electrolytic zinc. The newest industrial-scale application of Outotec's direct leaching process will be started up in 2008 in China at Zhuzhou smelter. The process is integrated to the existing production plant, replacing part of the old production facilities by modern technology and increasing the production capacity significantly. The process equipment supplied by Outotec includes also tailor-made reactors designed on the basis of the work and experience of Outotec Research Centre.
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机译：Outotec的直接浸出过程是硫酸锌浓缩物的大气浸出过程。基于Outokumpu和浸出专业知识开发的特殊浸出反应器的直接浸出过程是生产电解锌的最经济方法。 Outotec直接浸出过程的最新工业规模应用将于2008年在株洲冶炼厂启动。该过程融入了现有的生产工厂，取代了现代技术的一部分旧生产设施，并显着提高了生产能力。 Outotec提供的工艺设备还包括根据Outotec Research Center的工作和经验设计的量身定制的反应堆。
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