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    • 73. 发明授权
    • Non-embedding method for heavy metal stabilization using beef bone meal and blast media
    • 使用牛骨粉和爆炸介质的重金属稳定非嵌入方法
    • US09346087B2
    • 2016-05-24
    • US14574213
    • 2014-12-17
    • Keith E. Forrester
    • Keith E. Forrester
    • A62D3/30B09B3/00B24C11/00
    • B09B3/0033A62D3/30B09B3/0025B24C11/005
    • Methods are disclosed for stabilizing a heavy metal in a heavy metal bearing paint residue to reduce leaching of the heavy metal from a waste subject to natural or induced leaching conditions by addition of environmentally safe, worker safe, and multi-media compatible stabilizing agent comprising beef bone meal. Beef bone meal is added to the blast media, and provides effective reduction of heavy metal content in waste leachate and effectively removes paint residue without causing visible embedding on the substrate surface, which meets the SSPC SP10 criteria for surface preparation prior to painting. The methods described herein may be used outside of or within an OSHA containment building or collection device. The resultant stabilized paint residue and spent blast media mixture is suitable for on-site reuse, off-site reuse, or disposal as RCRA non-hazardous waste.
    • 公开了用于稳定重金属轴承油漆残余物中的重金属以减少重金属从废物受到天然或诱导浸出条件的浸出的方法,通过添加环境安全,工作安全和多介质相容的稳定剂,其包含牛肉 骨粉。 将牛骨粉加入到鼓风介质中,有效减少废弃物渗滤液中的重金属含量,有效去除油漆残留物,不会在基材表面产生可见的嵌入,在涂装前,符合SSPC SP10表面处理标准。 本文描述的方法可以在OSHA容纳建筑物或收集装置之外或内部使用。 所得到的稳定的油漆残留物和废气介质混合物适合作为RCRA非危险废物的现场再利用,异地再利用或处置。