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首页> 外文会议>32nd Annual Hydrometallurgy Meeting and International Conference on the Practice and Theory of Chloride/Metal Interaction, Vol.1 Oct 19-23, 2002 Montreal, Quebec, Canada >Recovery of Precious Metals from Metallurgical Residues by Applying the PLINT Process
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Recovery of Precious Metals from Metallurgical Residues by Applying the PLINT Process

机译：采用PLINT工艺从冶金残留物中回收贵金属

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摘要

The PLINT process developed by Tecnicas Reunidas (TR) is a simple, clean and efficient procedure for precious and base metals recovery from a great variety of metallurgical residues produced in copper, zinc and lead refineries or extraction plants. The PLINT process is a chloride-based technology able to deal with many different feed materials that are difficult or non-viable to be treated by conventional processes. This technology presents the ability to be flexible and adaptable to satisfy every application requirements. The powerful, complex-metals formation and easy chemistry of chlorides is the key for so many potential applications. This paper describes the recent and current developments of the PLINT technology applied to precious metals and base metals recovery from jarosite bearing compounds that are often contained in metallurgical residues produced in zinc and copper hydrometallurgical plants. A combination of a new PLINT plant with an existing metallurgical facility should be easily implemented and should substantially improve the overall process economics. A complete pilot plant is available for testing any specific metallurgical residue at Tecnicas Reunidas' Research and Development Centre in Madrid (Spain). This should allow the generation of all necessary design criteria for scale-up of the PLINT process.
机译：Tecnicas Reunidas（TR）开发的PLINT工艺是一种简单，清洁且有效的程序，用于从铜，锌和铅精炼厂或提取厂中产生的各种冶金残留物中回收贵金属和贱金属。 PLINT工艺是一种基于氯化物的技术，能够处理许多难以或无法通过常规工艺进行处理的饲料原料。该技术具有灵活和适应各种应用需求的能力。强大的，复杂的金属形成和氯化物的易化学性是众多潜在应用的关键。本文介绍了PLINT技术的最新和最新进展，该技术用于从黄钾铁矾含化合物中回收贵金属和贱金属，这些化合物通常包含在锌和铜湿法冶金工厂产生的冶金残留物中。新的PLINT工厂与现有的冶金设施的结合应易于实施，并应大大提高整体工艺的经济性。马德里（西班牙）的Tecnicas Reunidas研究和开发中心可提供完整的中试工厂，用于测试任何特定的冶金残留物。这应该允许生成所有必要的设计标准，以扩大PLINT工艺的规模。

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