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A Study on the Preparation of SiC Nano powder from the Si Waste of Solar Cell Industry  

Jang, Eun-Jin (Energy Materials Center, Korea Institute of Ceramic Engineering and Technology)
Kim, Young-Hee (Energy Materials Center, Korea Institute of Ceramic Engineering and Technology)
Lee, Yoon-Joo (Energy Materials Center, Korea Institute of Ceramic Engineering and Technology)
Kim, Soo-Ryong (Energy Materials Center, Korea Institute of Ceramic Engineering and Technology)
Kwon, Woo-Teck (Energy Materials Center, Korea Institute of Ceramic Engineering and Technology)
Publication Information
Resources Recycling / v.19, no.5, 2010 , pp. 44-49 More about this Journal
Abstract
SiC powders have been recovered from silicon-containing waste slurry by carbothermal reduction method with carbon black. Large amount of silicon-containing waste slurry is generated from Solar Cell industry. In an environmental and economic point of view, retrieve of the valuable natural resource from the silicon waste is important. In this study, SiC powder recovered by the reaction ball-milled silicon powder from waste and carbon black at $1350^{\circ}C$ for 3h under vacuum condition. Physical properties of samples have been characterized using SEM, XRD, Particle size analyzer and FT-IR spectroscopy.
Keywords
Copper oxide; Copper-containing waste etchant; PCB industry; Neutralization; Sodium hydroxide; SiC;
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