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首页> 外文会议>International Conference on the Sustainable Processing of Minerals, May 29-31, 2002, Cairns, Queensland >Ausmelt Technology for Recycling Industrial Wastes Using the Catalytic Waste Converter
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Ausmelt Technology for Recycling Industrial Wastes Using the Catalytic Waste Converter

机译：使用催化废物转化器的Ausmelt技术回收工业废物

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摘要

The Ausmelt Catalytic Waste Converter (CWC) has been developed for use in the treatment of industrial wastes and for the recycling of secondary materials. Ausmelt Technology uses a top submerged lance system within a versatile and efficient slag bath reactor. High temperature pyrometallurgical reactions are carefully controlled within an oxidised molten siliceous slag such that metals can be extracted from waste feedstock for recycling, with non-volatile elements reporting to the slag, usually as oxides. Modification of the slag chemistry results in a final slag product that is stable, vitrified and is able to pass standard leach tests such that it is safe to discard or be used in civil engineering applications. Toxic components in the wastes such as organohalides can be completely destroyed and are prevented from reforming. Waste to energy conversion is practiced by the addition of a heat exchanger/steam generator in the converter offgas system. The Ausmelt CWC has been used for recovering zinc from residues and slags, treating spent potliner (SPL) from the aluminium industry and a wide range of electronic and other potentially valuable waste materials. Methods of monitoring the exhaust gases at different stages in the CWC gas handling system are discussed. The assay of these gases prior to emission is used to assist in the control of the converter chemistry to ensure the complete oxidative breakdown of the feedstock.
机译：已开发出Ausmelt催化废物转化器（CWC），用于处理工业废物和二次材料的回收。 Ausmelt Technology在多功能高效的渣浴反应器中使用了顶部浸入式喷枪系统。在氧化的熔融硅质炉渣中小心控制高温火法冶金反应，以便可以从废料中提取金属进行循环利用，其中非挥发性元素通常以氧化物形式报告给炉渣。炉渣化学性质的改变导致最终的炉渣产品稳定，玻璃化并且能够通过标准的浸出测试，从而可以安全丢弃或用于土木工程应用。废物中的有毒成分（如有机卤化物）可被完全破坏并防止其重整。通过在转炉废气系统中增加热交换器/蒸汽发生器来实现废物到能量的转化。 Ausmelt CWC已用于从残留物和炉渣中回收锌，处理铝工业中的废旧衬板（SPL）以及各种电子和其他潜在有价值的废料。讨论了在CWC气体处理系统中不同阶段监测废气的方法。在排放之前对这些气体进行分析可帮助控制转炉化学反应，以确保原料完全氧化分解。

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