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首页> 外文期刊>Journal of Solid Waste Technology and Management >RECYCLING OF BAG-HOUSE DUST FROM FOUNDRY SAND
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RECYCLING OF BAG-HOUSE DUST FROM FOUNDRY SAND

机译：回收沙土袋中的尘土

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摘要

Non-metallic foundry waste is generally composed of spent green sand, core sand, and dust collected in the ventilation bag-house systems of the foundry facility. Currently, practices exist for the recovery of sand particles from green sand and core sand at the expense of the other constituents via consumption or degradation. However, new methods are necessary to extract values other than sand from the bag-house dust material. This is important, because the dust of composed of as much as 50wt% non-sand recoverable materials, such as coal and clay. This research evaluates the potential to beneficiate bag-house dust material by way of froth flotation. It was determined that the coal constituent of the dust could be beneficially extracted, but not other useful constituents of the dust by this specific method.
机译：非金属铸造废料通常由废金属砂，芯砂和在铸造设施的通风布袋系统中收集的粉尘组成。当前，存在从生砂和芯砂中回收砂粒的实践，其通过消耗或降解以其他成分为代价。但是，必须使用新方法从集尘室除尘材料中提取除沙子以外的其他值。这很重要，因为粉尘由多达50wt％的不可回收的沙土材料组成，例如煤和粘土。这项研究评估了通过泡沫浮选使袋式除尘材料受益的潜力。已确定通过该特定方法可以有效地提取粉尘的煤成分，但不能有效地提取粉尘的其他有用成分。

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  • 作者

    B. Dugan; C. Anderson;

  • 作者单位

    Center for Resource Recovery and Recycling Kroll Institute of Extractive Metallurgy Colorado School of Mines, 1400 Maple St. Golden, Colorado 80401, USA;

    Center for Resource Recovery and Recycling Kroll Institute of Extractive Metallurgy Colorado School of Mines, 1400 Maple St. Golden, Colorado 80401, USA;

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  • 正文语种 eng
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  • 关键词

    froth flotation; green sand; coal; bentonite clay;

    机译：泡沫浮选绿沙煤;膨润土;

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