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Advanced Decoating Technology in the Secondary Aluminum Industry

机译：二次铝工业中的先进脱漆技术

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The secondary aluminum industry processes scrap or recycled aluminum from consumers and industrial processes. The processing consists of segregating, cleaning, melting, and alloying the scrap to specific customer specifications. The processed scrap, typically in the form of an ingot, is next sent to a die caster (where a part is made) or rolling mill (where sheet stock is made). Eventually, these parts are integrated into a final product such as an automobile or beverage can.rnA critical part of this processing is removing organics (such as oil, rubber, plastic, lacquer, and paint) from the scrap aluminum prior to the melting and alloying steps. Proper organics removal, referred to as decoating or delacquering, can result in substantial reductions in both energy use and emissions generation.rnThe purpose of this project was the installation and demonstration of equipment to decoat oily scrap aluminum for the secondary and primary aluminum industry. The decoater, termed IDEX™, was installed at Roth Bros., a secondary aluminum processor in January 1997. The equipment, compared to conventional equipment, results in a 56% reduction in energy use, and reductions in emissions (particulates, NOx, volatile organic compounds (VOC), smoke, and CO). Widespread use of the IDEX™ would result in an annual energy reduction of 20 trillion Btu in the US. The project also eliminates the waste oil from the scrap. Finally, the project has an impact on increasing the production at the plant.rnThis work was funded by DOE's NICE~3 program and the New York State Energy Research and Development Authority.
机译：二级铝工业处理来自消费者和工业流程的废铝或再生铝。该处理包括将废料隔离，清洁，熔化和熔合成特定的客户规格。然后将通常呈锭状的已加工废料送到压铸机（制造零件）或轧机（制造板材）。最终，这些零件被集成到最终产品中，例如汽车或饮料罐。rn此过程的关键部分是在熔化和熔化之前从废铝中去除有机物（例如油，橡胶，塑料，清漆和油漆）。合金化步骤。正确地去除有机物（称为脱漆或脱漆）可以导致能源使用和排放量的大量减少。该项目的目的是安装和演示用于为二氧化铝和一次铝工业去除含油废铝的设备。 1997年1月，该脱涂层机被称为IDEX™，安装在二级铝加工商Roth Bros.上。与传统设备相比，该设备可减少56％的能源消耗，并减少排放（微粒，NOx，挥发物）有机化合物（VOC），烟雾和一氧化碳）。 IDEX™的广泛使用将导致美国每年减少20万亿Btu的能源。该项目还消除了废料中的废油。最后，该项目对增加工厂的产量产生了影响。这项工作由美国能源部的NICE〜3计划和纽约州能源研究与发展局资助。

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