Separation and quantitation of hazardous wastes from abrasive blast media

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Abstract

A sample of glass bead abrasive blasting material (ABM) waste, received from Robins Air Force Base (Georgia), was examined to determine whether the waste could be rendered nonhazardous by separating paint contaminants from the ABM. The sample was analyzed with size distribution and toxicity characteristics leaching procedure. A Microtrac analyzer was used to measure the size of fine particles (-325 Tyler mesh), and scanning electron microscopy analysis was performed to identify the nature of the contaminants in the ABM waste. Tests using froth flotation, magnetic separation, desliming, and acid washing were conducted to develop a process for removing the contaminants. A pilot plant test using the developed process rendered 82.1 % or the ABM waste material nonhazardous.

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APA

Hwang, J. Y., & Jeong, M. L. (2001). Separation and quantitation of hazardous wastes from abrasive blast media. Journal of AOAC International, 84(3), 693–698. https://doi.org/10.1093/jaoac/84.3.693

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