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Plastic-containing materials as alternative reductants for base metal production
Canadian Metallurgical Quarterly ( IF 0.9 ) Pub Date : 2019-02-15 , DOI: 10.1080/00084433.2018.1532951
Samira Lotfian 1 , Tommy Vikström 2 , Andreas Lennartsson 1 , Bo Björkman 1 , Hesham Ahmed 3 , Caisa Samuelsson 1
Affiliation  

ABSTRACT Shredder residue materials are produced after the removal of ferrous and non-ferrous fractions from end-of-life electronic equipment. Despite the high plastic content and metal value in the ash, high percentages of these materials are currently sent to landfills. In this study, the potential of utilising shredder residue material and other plastic-containing materials as reducing agents was studied. Plastic-containing materials were co-injected with coal into a zinc-fuming furnace in Boliden-Rönnskär smelter. The data obtained from the trial, such as the data from the chemical analysis of the slag and the steam production, are discussed. The observations indicate that plastic-containing material can replace up to 1 ton h−1 of coal without a significant decrease in the zinc reduction rate.

中文翻译:

含塑料材料作为贱金属生产的替代还原剂

摘要粉碎机残留材料是在从报废电子设备中去除黑色和有色金属部分后产生的。尽管灰烬中的塑料含量和金属价值很高,但目前这些材料中有很大一部分被送往垃圾填埋场。在这项研究中,研究了利用粉碎机残渣材料和其他含塑料材料作为还原剂的潜力。含塑料材料与煤一起注入 Boliden-Rönnskär 冶炼厂的锌烟炉。讨论了从试验中获得的数据,例如来自炉渣化学分析和蒸汽产量的数据。观察结果表明,含塑料材料可以替代多达 1 吨 h-1 的煤而不会显着降低锌还原率。
更新日期:2019-02-15
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